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-rw-r--r--target/linux/brcm2708/patches-4.1/0025-BCM2708-Add-core-Device-Tree-support.patch3750
1 files changed, 3750 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0025-BCM2708-Add-core-Device-Tree-support.patch b/target/linux/brcm2708/patches-4.1/0025-BCM2708-Add-core-Device-Tree-support.patch
new file mode 100644
index 0000000..c3dad4c
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.1/0025-BCM2708-Add-core-Device-Tree-support.patch
@@ -0,0 +1,3750 @@
+From 00bde9c19f378c337830838a67fb9bdf14019ebc Mon Sep 17 00:00:00 2001
+From: notro <notro@tronnes.org>
+Date: Wed, 9 Jul 2014 14:46:08 +0200
+Subject: [PATCH 025/203] BCM2708: Add core Device Tree support
+
+Add the bare minimum needed to boot BCM2708 from a Device Tree.
+
+Signed-off-by: Noralf Tronnes <notro@tronnes.org>
+
+BCM2708: DT: change 'axi' nodename to 'soc'
+
+Change DT node named 'axi' to 'soc' so it matches ARCH_BCM2835.
+The VC4 bootloader fills in certain properties in the 'axi' subtree,
+but since this is part of an upstreaming effort, the name is changed.
+
+Signed-off-by: Noralf Tronnes notro@tronnes.org
+
+BCM2708_DT: Correct length of the peripheral space
+---
+ arch/arm/boot/dts/Makefile | 27 ++
+ arch/arm/boot/dts/bcm2708-rpi-b-plus.dts | 140 ++++++
+ arch/arm/boot/dts/bcm2708-rpi-b.dts | 130 ++++++
+ arch/arm/boot/dts/bcm2708-rpi-cm.dts | 18 +
+ arch/arm/boot/dts/bcm2708-rpi-cm.dtsi | 51 +++
+ arch/arm/boot/dts/bcm2708.dtsi | 19 +
+ arch/arm/boot/dts/bcm2708_common.dtsi | 230 ++++++++++
+ arch/arm/boot/dts/bcm2709-rpi-2-b.dts | 140 ++++++
+ arch/arm/boot/dts/bcm2709.dtsi | 70 +++
+ arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 45 +-
+ arch/arm/boot/dts/bcm2835-rpi-b.dts | 29 +-
+ arch/arm/boot/dts/bcm2835-rpi.dtsi | 97 +++-
+ arch/arm/boot/dts/bcm2835.dtsi | 45 +-
+ arch/arm/boot/dts/overlays/Makefile | 57 +++
+ arch/arm/boot/dts/overlays/README | 493 +++++++++++++++++++++
+ arch/arm/boot/dts/overlays/ads7846-overlay.dts | 83 ++++
+ .../dts/overlays/bmp085_i2c-sensor-overlay.dts | 23 +
+ arch/arm/boot/dts/overlays/dht11-overlay.dts | 39 ++
+ arch/arm/boot/dts/overlays/enc28j60-overlay.dts | 50 +++
+ .../boot/dts/overlays/hifiberry-amp-overlay.dts | 39 ++
+ .../boot/dts/overlays/hifiberry-dac-overlay.dts | 34 ++
+ .../dts/overlays/hifiberry-dacplus-overlay.dts | 39 ++
+ .../boot/dts/overlays/hifiberry-digi-overlay.dts | 39 ++
+ arch/arm/boot/dts/overlays/hy28a-overlay.dts | 87 ++++
+ arch/arm/boot/dts/overlays/hy28b-overlay.dts | 142 ++++++
+ arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts | 49 ++
+ arch/arm/boot/dts/overlays/i2s-mmap-overlay.dts | 13 +
+ arch/arm/boot/dts/overlays/iqaudio-dac-overlay.dts | 39 ++
+ .../boot/dts/overlays/iqaudio-dacplus-overlay.dts | 39 ++
+ arch/arm/boot/dts/overlays/lirc-rpi-overlay.dts | 57 +++
+ .../arm/boot/dts/overlays/mcp2515-can0-overlay.dts | 69 +++
+ arch/arm/boot/dts/overlays/mmc-overlay.dts | 19 +
+ arch/arm/boot/dts/overlays/mz61581-overlay.dts | 109 +++++
+ arch/arm/boot/dts/overlays/piscreen-overlay.dts | 96 ++++
+ .../dts/overlays/pitft28-resistive-overlay.dts | 115 +++++
+ arch/arm/boot/dts/overlays/pps-gpio-overlay.dts | 34 ++
+ arch/arm/boot/dts/overlays/rpi-dac-overlay.dts | 34 ++
+ arch/arm/boot/dts/overlays/rpi-display-overlay.dts | 82 ++++
+ arch/arm/boot/dts/overlays/rpi-proto-overlay.dts | 39 ++
+ arch/arm/boot/dts/overlays/sdhost-overlay.dts | 78 ++++
+ arch/arm/boot/dts/overlays/spi-bcm2708-overlay.dts | 18 +
+ arch/arm/boot/dts/overlays/spi-bcm2835-overlay.dts | 18 +
+ arch/arm/boot/dts/overlays/tinylcd35-overlay.dts | 216 +++++++++
+ arch/arm/boot/dts/overlays/w1-gpio-overlay.dts | 39 ++
+ .../boot/dts/overlays/w1-gpio-pullup-overlay.dts | 41 ++
+ 45 files changed, 3316 insertions(+), 54 deletions(-)
+ create mode 100644 arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
+ create mode 100644 arch/arm/boot/dts/bcm2708-rpi-b.dts
+ create mode 100755 arch/arm/boot/dts/bcm2708-rpi-cm.dts
+ create mode 100644 arch/arm/boot/dts/bcm2708-rpi-cm.dtsi
+ create mode 100644 arch/arm/boot/dts/bcm2708.dtsi
+ create mode 100644 arch/arm/boot/dts/bcm2708_common.dtsi
+ create mode 100644 arch/arm/boot/dts/bcm2709-rpi-2-b.dts
+ create mode 100644 arch/arm/boot/dts/bcm2709.dtsi
+ create mode 100644 arch/arm/boot/dts/overlays/Makefile
+ create mode 100644 arch/arm/boot/dts/overlays/README
+ create mode 100644 arch/arm/boot/dts/overlays/ads7846-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/bmp085_i2c-sensor-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/dht11-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/enc28j60-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/hifiberry-amp-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/hifiberry-dac-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/hifiberry-dacplus-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/hifiberry-digi-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/hy28a-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/hy28b-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/i2s-mmap-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/iqaudio-dac-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/iqaudio-dacplus-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/lirc-rpi-overlay.dts
+ create mode 100755 arch/arm/boot/dts/overlays/mcp2515-can0-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/mmc-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/mz61581-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/piscreen-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/pitft28-resistive-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/pps-gpio-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/rpi-dac-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/rpi-display-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/rpi-proto-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/sdhost-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/spi-bcm2708-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/spi-bcm2835-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/tinylcd35-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/w1-gpio-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/w1-gpio-pullup-overlay.dts
+
+--- a/arch/arm/boot/dts/Makefile
++++ b/arch/arm/boot/dts/Makefile
+@@ -1,5 +1,21 @@
+ ifeq ($(CONFIG_OF),y)
+
++dtb-$(CONFIG_BCM2708_DT) += bcm2708-rpi-b.dtb
++dtb-$(CONFIG_BCM2708_DT) += bcm2708-rpi-b-plus.dtb
++dtb-$(CONFIG_BCM2708_DT) += bcm2708-rpi-cm.dtb
++dtb-$(CONFIG_BCM2709_DT) += bcm2709-rpi-2-b.dtb
++
++# Raspberry Pi
++ifeq ($(CONFIG_BCM2708_DT),y)
++ RPI_DT_OVERLAYS=y
++endif
++ifeq ($(CONFIG_BCM2709_DT),y)
++ RPI_DT_OVERLAYS=y
++endif
++ifeq ($(CONFIG_ARCH_BCM2835),y)
++ RPI_DT_OVERLAYS=y
++endif
++
+ dtb-$(CONFIG_ARCH_ALPINE) += \
+ alpine-db.dtb
+ dtb-$(CONFIG_MACH_ASM9260) += \
+@@ -660,7 +676,18 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
+ mt6592-evb.dtb \
+ mt8127-moose.dtb \
+ mt8135-evbp1.dtb
++
++targets += dtbs dtbs_install
++targets += $(dtb-y)
++
+ endif
+
+ always := $(dtb-y)
+ clean-files := *.dtb
++
++# Enable fixups to support overlays on BCM2708 platforms
++ifeq ($(RPI_DT_OVERLAYS),y)
++ DTC_FLAGS ?= -@
++endif
++
++subdir-y += overlays
+--- /dev/null
++++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
+@@ -0,0 +1,140 @@
++/dts-v1/;
++
++/include/ "bcm2708.dtsi"
++
++/ {
++ compatible = "brcm,bcm2708";
++ model = "Raspberry Pi Model B+";
++
++ aliases {
++ soc = &soc;
++ spi0 = &spi0;
++ i2c0 = &i2c0;
++ i2c1 = &i2c1;
++ i2s = &i2s;
++ gpio = &gpio;
++ intc = &intc;
++ leds = &leds;
++ audio = &audio;
++ sound = &sound;
++ uart0 = &uart0;
++ uart1 = &uart1;
++ clocks = &clocks;
++ };
++
++ sound: sound {
++ };
++};
++
++&gpio {
++ spi0_pins: spi0_pins {
++ brcm,pins = <7 8 9 10 11>;
++ brcm,function = <4>; /* alt0 */
++ };
++
++ i2c0_pins: i2c0 {
++ brcm,pins = <0 1>;
++ brcm,function = <4>;
++ };
++
++ i2c1_pins: i2c1 {
++ brcm,pins = <2 3>;
++ brcm,function = <4>;
++ };
++
++ i2s_pins: i2s {
++ brcm,pins = <18 19 20 21>;
++ brcm,function = <4>; /* alt0 */
++ };
++};
++
++&mmc {
++ status = "okay";
++ bus-width = <4>;
++};
++
++&fb {
++ status = "okay";
++};
++
++&uart0 {
++ status = "okay";
++};
++
++&spi0 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&spi0_pins>;
++
++ spidev@0{
++ compatible = "spidev";
++ reg = <0>; /* CE0 */
++ #address-cells = <1>;
++ #size-cells = <0>;
++ spi-max-frequency = <500000>;
++ };
++
++ spidev@1{
++ compatible = "spidev";
++ reg = <1>; /* CE1 */
++ #address-cells = <1>;
++ #size-cells = <0>;
++ spi-max-frequency = <500000>;
++ };
++};
++
++&i2c0 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&i2c0_pins>;
++ clock-frequency = <100000>;
++};
++
++&i2c1 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&i2c1_pins>;
++ clock-frequency = <100000>;
++};
++
++&i2s {
++ #sound-dai-cells = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&i2s_pins>;
++};
++
++&leds {
++ act_led: act {
++ label = "led0";
++ linux,default-trigger = "mmc0";
++ gpios = <&gpio 47 0>;
++ };
++
++ pwr_led: pwr {
++ label = "led1";
++ linux,default-trigger = "input";
++ gpios = <&gpio 35 0>;
++ };
++};
++
++/ {
++ __overrides__ {
++ uart0 = <&uart0>,"status";
++ uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
++ i2s = <&i2s>,"status";
++ spi = <&spi0>,"status";
++ i2c0 = <&i2c0>,"status";
++ i2c1 = <&i2c1>,"status";
++ i2c0_baudrate = <&i2c0>,"clock-frequency:0";
++ i2c1_baudrate = <&i2c1>,"clock-frequency:0";
++
++ act_led_gpio = <&act_led>,"gpios:4";
++ act_led_activelow = <&act_led>,"gpios:8";
++ act_led_trigger = <&act_led>,"linux,default-trigger";
++
++ pwr_led_gpio = <&pwr_led>,"gpios:4";
++ pwr_led_activelow = <&pwr_led>,"gpios:8";
++ pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
++
++ audio = <&audio>,"status";
++ watchdog = <&watchdog>,"status";
++ random = <&random>,"status";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts
+@@ -0,0 +1,130 @@
++/dts-v1/;
++
++/include/ "bcm2708.dtsi"
++
++/ {
++ compatible = "brcm,bcm2708";
++ model = "Raspberry Pi Model B";
++
++ aliases {
++ soc = &soc;
++ spi0 = &spi0;
++ i2c0 = &i2c0;
++ i2c1 = &i2c1;
++ i2s = &i2s;
++ gpio = &gpio;
++ intc = &intc;
++ leds = &leds;
++ audio = &audio;
++ sound = &sound;
++ uart0 = &uart0;
++ uart1 = &uart1;
++ clocks = &clocks;
++ };
++
++ sound: sound {
++ };
++};
++
++&gpio {
++ spi0_pins: spi0_pins {
++ brcm,pins = <7 8 9 10 11>;
++ brcm,function = <4>; /* alt0 */
++ };
++
++ i2c0_pins: i2c0 {
++ brcm,pins = <0 1>;
++ brcm,function = <4>;
++ };
++
++ i2c1_pins: i2c1 {
++ brcm,pins = <2 3>;
++ brcm,function = <4>;
++ };
++
++ i2s_pins: i2s {
++ brcm,pins = <28 29 30 31>;
++ brcm,function = <4>; /* alt0 */
++ };
++};
++
++&mmc {
++ status = "okay";
++ bus-width = <4>;
++};
++
++&fb {
++ status = "okay";
++};
++
++&uart0 {
++ status = "okay";
++};
++
++&spi0 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&spi0_pins>;
++
++ spidev@0{
++ compatible = "spidev";
++ reg = <0>; /* CE0 */
++ #address-cells = <1>;
++ #size-cells = <0>;
++ spi-max-frequency = <500000>;
++ };
++
++ spidev@1{
++ compatible = "spidev";
++ reg = <1>; /* CE1 */
++ #address-cells = <1>;
++ #size-cells = <0>;
++ spi-max-frequency = <500000>;
++ };
++};
++
++&i2c0 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&i2c0_pins>;
++ clock-frequency = <100000>;
++};
++
++&i2c1 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&i2c1_pins>;
++ clock-frequency = <100000>;
++};
++
++&i2s {
++ #sound-dai-cells = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&i2s_pins>;
++};
++
++&leds {
++ act_led: act {
++ label = "led0";
++ linux,default-trigger = "mmc0";
++ gpios = <&gpio 16 1>;
++ };
++};
++
++/ {
++ __overrides__ {
++ uart0 = <&uart0>,"status";
++ uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
++ i2s = <&i2s>,"status";
++ spi = <&spi0>,"status";
++ i2c0 = <&i2c0>,"status";
++ i2c1 = <&i2c1>,"status";
++ i2c0_baudrate = <&i2c0>,"clock-frequency:0";
++ i2c1_baudrate = <&i2c1>,"clock-frequency:0";
++
++ act_led_gpio = <&act_led>,"gpios:4";
++ act_led_activelow = <&act_led>,"gpios:8";
++ act_led_trigger = <&act_led>,"linux,default-trigger";
++
++ audio = <&audio>,"status";
++ watchdog = <&watchdog>,"status";
++ random = <&random>,"status";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dts
+@@ -0,0 +1,18 @@
++/dts-v1/;
++
++/include/ "bcm2708-rpi-cm.dtsi"
++
++/ {
++ model = "Raspberry Pi Compute Module";
++};
++
++&uart0 {
++ status = "okay";
++};
++
++/ {
++ __overrides__ {
++ uart0 = <&uart0>,"status";
++ uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dtsi
+@@ -0,0 +1,51 @@
++/include/ "bcm2708.dtsi"
++
++/ {
++ aliases {
++ soc = &soc;
++ spi0 = &spi0;
++ i2c0 = &i2c0;
++ i2c1 = &i2c1;
++ i2s = &i2s;
++ gpio = &gpio;
++ intc = &intc;
++ leds = &leds;
++ audio = &audio;
++ sound = &sound;
++ uart0 = &uart0;
++ uart1 = &uart1;
++ clocks = &clocks;
++ };
++
++ sound: sound {
++ };
++};
++
++&leds {
++ act_led: act {
++ label = "led0";
++ linux,default-trigger = "mmc0";
++ gpios = <&gpio 47 0>;
++ };
++};
++
++&mmc {
++ status = "okay";
++ bus-width = <4>;
++};
++
++&fb {
++ status = "okay";
++};
++
++&audio {
++ status = "okay";
++};
++
++/ {
++ __overrides__ {
++ act_led_gpio = <&act_led>,"gpios:4";
++ act_led_activelow = <&act_led>,"gpios:8";
++ act_led_trigger = <&act_led>,"linux,default-trigger";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/bcm2708.dtsi
+@@ -0,0 +1,19 @@
++/include/ "bcm2708_common.dtsi"
++
++/ {
++ compatible = "brcm,bcm2708";
++ model = "BCM2708";
++
++ chosen {
++ /* No padding required - the boot loader can do that. */
++ bootargs = "";
++ };
++
++ soc {
++ ranges = <0x7e000000 0x20000000 0x01000000>;
++
++ arm-pmu {
++ compatible = "arm,arm1176-pmu";
++ };
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/bcm2708_common.dtsi
+@@ -0,0 +1,230 @@
++/include/ "skeleton.dtsi"
++
++/ {
++ interrupt-parent = <&intc>;
++
++ /* Onboard audio */
++ audio: audio {
++ compatible = "brcm,bcm2835-audio";
++ brcm,pwm-channels = <8>;
++ status = "disabled";
++ };
++
++ soc: soc {
++ compatible = "simple-bus";
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ dma: dma@7e007000 {
++ compatible = "brcm,bcm2835-dma";
++ reg = <0x7e007000 0xf00>;
++ interrupts = <1 16>,
++ <1 17>,
++ <1 18>,
++ <1 19>,
++ <1 20>,
++ <1 21>,
++ <1 22>,
++ <1 23>,
++ <1 24>,
++ <1 25>,
++ <1 26>,
++ <1 27>,
++ <1 28>;
++
++ #dma-cells = <1>;
++ brcm,dma-channel-mask = <0x7f35>;
++ };
++
++ intc: interrupt-controller {
++ compatible = "brcm,bcm2708-armctrl-ic";
++ reg = <0x7e00b200 0x200>;
++ interrupt-controller;
++ #interrupt-cells = <2>;
++ };
++
++ watchdog: watchdog@7e100000 {
++ compatible = "brcm,bcm2835-pm-wdt";
++ reg = <0x7e100000 0x28>;
++ status = "disabled";
++ };
++
++ random: rng@7e104000 {
++ compatible = "brcm,bcm2835-rng";
++ reg = <0x7e104000 0x10>;
++ status = "disabled";
++ };
++
++ mailbox: mailbox@7e00b800 {
++ compatible = "brcm,bcm2708-vcio";
++ reg = <0x7e00b880 0x40>;
++ interrupts = <0 1>;
++ };
++
++ gpio: gpio {
++ compatible = "brcm,bcm2835-gpio";
++ reg = <0x7e200000 0xb4>;
++ interrupts = <2 17>, <2 18>;
++
++ gpio-controller;
++ #gpio-cells = <2>;
++
++ interrupt-controller;
++ #interrupt-cells = <2>;
++ };
++
++ mmc: mmc@7e300000 {
++ compatible = "brcm,bcm2835-mmc";
++ reg = <0x7e300000 0x100>;
++ interrupts = <2 30>;
++ clocks = <&clk_mmc>;
++ dmas = <&dma 11>,
++ <&dma 11>;
++ dma-names = "tx", "rx";
++ status = "disabled";
++ };
++
++ uart0: uart@7e201000 {
++ compatible = "arm,pl011", "arm,primecell";
++ reg = <0x7e201000 0x1000>;
++ interrupts = <2 25>;
++ clocks = <&clk_uart0 &clk_apb_p>;
++ clock-names = "uartclk","apb_pclk";
++ arm,primecell-periphid = <0x00241011>; // For an explanation, see
++ // https://github.com/raspberrypi/linux/commit/13731d862cf5219216533a3b0de052cee4cc5038
++ status = "disabled";
++ };
++
++ i2s: i2s@7e203000 {
++ compatible = "brcm,bcm2708-i2s";
++ reg = <0x7e203000 0x20>,
++ <0x7e101098 0x02>;
++
++ //dmas = <&dma 2>,
++ // <&dma 3>;
++ dma-names = "tx", "rx";
++ status = "disabled";
++ };
++
++ spi0: spi@7e204000 {
++ compatible = "brcm,bcm2835-spi";
++ reg = <0x7e204000 0x1000>;
++ interrupts = <2 22>;
++ clocks = <&clk_spi>;
++ #address-cells = <1>;
++ #size-cells = <0>;
++ status = "disabled";
++ /* the dma channels */
++ dmas = <&dma 6>, <&dma 7>;
++ dma-names = "tx", "rx";
++ /* the chipselects used - <0> means native GPIO
++ * add more gpios if necessary as <&gpio 6 1>
++ * (but do not forget to make them output!)
++ */
++ cs-gpios = <0>, <0>;
++ };
++
++ i2c0: i2c@7e205000 {
++ compatible = "brcm,bcm2708-i2c";
++ reg = <0x7e205000 0x1000>;
++ interrupts = <2 21>;
++ clocks = <&clk_i2c>;
++ #address-cells = <1>;
++ #size-cells = <0>;
++ status = "disabled";
++ };
++
++ uart1: uart@7e215040 {
++ compatible = "brcm,bcm2835-aux-uart", "ns16550";
++ reg = <0x7e215040 0x40>;
++ interrupts = <1 29>;
++ clock-frequency = <500000000>;
++ reg-shift = <2>;
++ no-loopback-test;
++ status = "disabled";
++ };
++
++ i2c1: i2c@7e804000 {
++ compatible = "brcm,bcm2708-i2c";
++ reg = <0x7e804000 0x1000>;
++ interrupts = <2 21>;
++ clocks = <&clk_i2c>;
++ #address-cells = <1>;
++ #size-cells = <0>;
++ status = "disabled";
++ };
++
++ usb: usb@7e980000 {
++ compatible = "brcm,bcm2708-usb";
++ reg = <0x7e980000 0x10000>,
++ <0x7e006000 0x1000>;
++ interrupts = <2 0>,
++ <1 9>;
++ };
++
++ leds: leds {
++ compatible = "gpio-leds";
++ };
++
++ fb: fb {
++ compatible = "brcm,bcm2708-fb";
++ status = "disabled";
++ };
++
++ vchiq: vchiq {
++ compatible = "brcm,bcm2835-vchiq";
++ reg = <0x7e00b840 0xf>;
++ interrupts = <0 2>;
++ };
++
++ thermal: thermal {
++ compatible = "brcm,bcm2835-thermal";
++ };
++ };
++
++ clocks: clocks {
++ compatible = "simple-bus";
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ clk_mmc: clock@0 {
++ compatible = "fixed-clock";
++ reg = <0>;
++ #clock-cells = <0>;
++ clock-output-names = "mmc";
++ clock-frequency = <250000000>;
++ };
++
++ clk_i2c: clock@1 {
++ compatible = "fixed-clock";
++ reg = <1>;
++ #clock-cells = <0>;
++ clock-output-names = "i2c";
++ clock-frequency = <250000000>;
++ };
++
++ clk_spi: clock@2 {
++ compatible = "fixed-clock";
++ reg = <2>;
++ #clock-cells = <0>;
++ clock-output-names = "spi";
++ clock-frequency = <250000000>;
++ };
++
++ clk_uart0: clock@3 {
++ compatible = "fixed-clock";
++ reg = <3>;
++ #clock-cells = <0>;
++ clock-output-names = "uart0_pclk";
++ clock-frequency = <3000000>;
++ };
++
++ clk_apb_p: clock@4 {
++ compatible = "fixed-clock";
++ reg = <4>;
++ #clock-cells = <0>;
++ clock-output-names = "apb_pclk";
++ clock-frequency = <126000000>;
++ };
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
+@@ -0,0 +1,140 @@
++/dts-v1/;
++
++/include/ "bcm2709.dtsi"
++
++/ {
++ compatible = "brcm,bcm2709";
++ model = "Raspberry Pi 2 Model B";
++
++ aliases {
++ soc = &soc;
++ spi0 = &spi0;
++ i2c0 = &i2c0;
++ i2c1 = &i2c1;
++ i2s = &i2s;
++ gpio = &gpio;
++ intc = &intc;
++ leds = &leds;
++ audio = &audio;
++ sound = &sound;
++ uart0 = &uart0;
++ uart1 = &uart1;
++ clocks = &clocks;
++ };
++
++ sound: sound {
++ };
++};
++
++&gpio {
++ spi0_pins: spi0_pins {
++ brcm,pins = <7 8 9 10 11>;
++ brcm,function = <4>; /* alt0 */
++ };
++
++ i2c0_pins: i2c0 {
++ brcm,pins = <0 1>;
++ brcm,function = <4>;
++ };
++
++ i2c1_pins: i2c1 {
++ brcm,pins = <2 3>;
++ brcm,function = <4>;
++ };
++
++ i2s_pins: i2s {
++ brcm,pins = <18 19 20 21>;
++ brcm,function = <4>; /* alt0 */
++ };
++};
++
++&mmc {
++ status = "okay";
++ bus-width = <4>;
++};
++
++&fb {
++ status = "okay";
++};
++
++&uart0 {
++ status = "okay";
++};
++
++&spi0 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&spi0_pins>;
++
++ spidev@0{
++ compatible = "spidev";
++ reg = <0>; /* CE0 */
++ #address-cells = <1>;
++ #size-cells = <0>;
++ spi-max-frequency = <500000>;
++ };
++
++ spidev@1{
++ compatible = "spidev";
++ reg = <1>; /* CE1 */
++ #address-cells = <1>;
++ #size-cells = <0>;
++ spi-max-frequency = <500000>;
++ };
++};
++
++&i2c0 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&i2c0_pins>;
++ clock-frequency = <100000>;
++};
++
++&i2c1 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&i2c1_pins>;
++ clock-frequency = <100000>;
++};
++
++&i2s {
++ #sound-dai-cells = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&i2s_pins>;
++};
++
++&leds {
++ act_led: act {
++ label = "led0";
++ linux,default-trigger = "mmc0";
++ gpios = <&gpio 47 0>;
++ };
++
++ pwr_led: pwr {
++ label = "led1";
++ linux,default-trigger = "input";
++ gpios = <&gpio 35 0>;
++ };
++};
++
++/ {
++ __overrides__ {
++ uart0 = <&uart0>,"status";
++ uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
++ i2s = <&i2s>,"status";
++ spi = <&spi0>,"status";
++ i2c0 = <&i2c0>,"status";
++ i2c1 = <&i2c1>,"status";
++ i2c0_baudrate = <&i2c0>,"clock-frequency:0";
++ i2c1_baudrate = <&i2c1>,"clock-frequency:0";
++
++ act_led_gpio = <&act_led>,"gpios:4";
++ act_led_activelow = <&act_led>,"gpios:8";
++ act_led_trigger = <&act_led>,"linux,default-trigger";
++
++ pwr_led_gpio = <&pwr_led>,"gpios:4";
++ pwr_led_activelow = <&pwr_led>,"gpios:8";
++ pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
++
++ audio = <&audio>,"status";
++ watchdog = <&watchdog>,"status";
++ random = <&random>,"status";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/bcm2709.dtsi
+@@ -0,0 +1,70 @@
++/include/ "bcm2708_common.dtsi"
++
++/ {
++ compatible = "brcm,bcm2709";
++ model = "BCM2709";
++
++ chosen {
++ /* No padding required - the boot loader can do that. */
++ bootargs = "";
++ };
++
++ soc {
++ ranges = <0x7e000000 0x3f000000 0x01000000>;
++
++ arm-pmu {
++ compatible = "arm,cortex-a7-pmu";
++ interrupts = <3 9>;
++ };
++ };
++
++ timer {
++ compatible = "arm,armv7-timer";
++ clock-frequency = <19200000>;
++ interrupts = <3 0>, // PHYS_SECURE_PPI
++ <3 1>, // PHYS_NONSECURE_PPI
++ <3 3>, // VIRT_PPI
++ <3 2>; // HYP_PPI
++ always-on;
++ };
++
++ cpus: cpus {
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ v7_cpu0: cpu@0 {
++ device_type = "cpu";
++ compatible = "arm,cortex-a7";
++ reg = <0xf00>;
++ clock-frequency = <800000000>;
++ };
++
++ v7_cpu1: cpu@1 {
++ device_type = "cpu";
++ compatible = "arm,cortex-a7";
++ reg = <0xf01>;
++ clock-frequency = <800000000>;
++ };
++
++ v7_cpu2: cpu@2 {
++ device_type = "cpu";
++ compatible = "arm,cortex-a7";
++ reg = <0xf02>;
++ clock-frequency = <800000000>;
++ };
++
++ v7_cpu3: cpu@3 {
++ device_type = "cpu";
++ compatible = "arm,cortex-a7";
++ reg = <0xf03>;
++ clock-frequency = <800000000>;
++ };
++ };
++
++ __overrides__ {
++ arm_freq = <&v7_cpu0>, "clock-frequency:0",
++ <&v7_cpu1>, "clock-frequency:0",
++ <&v7_cpu2>, "clock-frequency:0",
++ <&v7_cpu3>, "clock-frequency:0";
++ };
++};
+--- a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
++++ b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
+@@ -4,27 +4,40 @@
+ / {
+ compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
+ model = "Raspberry Pi Model B+";
+-
+- leds {
+- act {
+- gpios = <&gpio 47 0>;
+- };
+-
+- pwr {
+- label = "PWR";
+- gpios = <&gpio 35 0>;
+- default-state = "keep";
+- linux,default-trigger = "default-on";
+- };
+- };
+ };
+
+ &gpio {
+- pinctrl-0 = <&gpioout &alt0 &i2s_alt0 &alt3>;
+-
+- /* I2S interface */
+- i2s_alt0: i2s_alt0 {
++ i2s_pins: i2s {
+ brcm,pins = <18 19 20 21>;
+ brcm,function = <4>; /* alt0 */
+ };
+ };
++
++&i2s {
++ #sound-dai-cells = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&i2s_pins>;
++};
++
++&act_led {
++ gpios = <&gpio 47 0>;
++};
++
++&leds {
++ pwr_led: pwr {
++ label = "led1";
++ linux,default-trigger = "input";
++ gpios = <&gpio 35 0>;
++ };
++};
++
++/ {
++ __overrides__ {
++ act_led_gpio = <&act_led>,"gpios:4";
++ act_led_activelow = <&act_led>,"gpios:8";
++
++ pwr_led_gpio = <&pwr_led>,"gpios:4";
++ pwr_led_activelow = <&pwr_led>,"gpios:8";
++ pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
++ };
++};
+--- a/arch/arm/boot/dts/bcm2835-rpi-b.dts
++++ b/arch/arm/boot/dts/bcm2835-rpi-b.dts
+@@ -5,19 +5,28 @@
+ compatible = "raspberrypi,model-b", "brcm,bcm2835";
+ model = "Raspberry Pi Model B";
+
+- leds {
+- act {
+- gpios = <&gpio 16 1>;
+- };
+- };
+ };
+
+ &gpio {
+- pinctrl-0 = <&gpioout &alt0 &i2s_alt2 &alt3>;
+-
+- /* I2S interface */
+- i2s_alt2: i2s_alt2 {
++ i2s_pins: i2s {
+ brcm,pins = <28 29 30 31>;
+- brcm,function = <6>; /* alt2 */
++ brcm,function = <4>; /* alt0 */
++ };
++};
++
++&i2s {
++ #sound-dai-cells = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&i2s_pins>;
++};
++
++&act_led {
++ gpios = <&gpio 16 1>;
++};
++
++/ {
++ __overrides__ {
++ act_led_gpio = <&act_led>,"gpios:4";
++ act_led_activelow = <&act_led>,"gpios:8";
+ };
+ };
+--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
++++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
+@@ -1,51 +1,112 @@
+ /include/ "bcm2835.dtsi"
+
+ / {
++ /* This is left here in case u-boot needs it */
+ memory {
+ reg = <0 0x10000000>;
+ };
+
+- leds {
++ aliases {
++ soc = &soc;
++ spi0 = &spi0;
++ i2c0 = &i2c0;
++ i2c1 = &i2c1;
++ i2s = &i2s;
++ gpio = &gpio;
++ intc = &intc;
++ leds = &leds;
++ sound = &sound;
++ };
++
++ leds: leds {
+ compatible = "gpio-leds";
+
+- act {
+- label = "ACT";
+- default-state = "keep";
+- linux,default-trigger = "heartbeat";
++ act_led: act {
++ label = "led0";
++ linux,default-trigger = "mmc0";
+ };
+ };
++
++ /* Onboard audio */
++ audio: audio {
++ compatible = "brcm,bcm2835-audio";
++ brcm,pwm-channels = <8>;
++ status = "disabled";
++ };
++
++ /* External sound card */
++ sound: sound {
++ };
+ };
+
+ &gpio {
+- pinctrl-names = "default";
++ spi0_pins: spi0_pins {
++ brcm,pins = <7 8 9 10 11>;
++ brcm,function = <4>; /* alt0 */
++ };
+
+- gpioout: gpioout {
+- brcm,pins = <6>;
+- brcm,function = <1>; /* GPIO out */
++ i2c0_pins: i2c0 {
++ brcm,pins = <0 1>;
++ brcm,function = <4>;
+ };
+
+- alt0: alt0 {
+- brcm,pins = <0 1 2 3 4 5 7 8 9 10 11 14 15 40 45>;
+- brcm,function = <4>; /* alt0 */
++ i2c1_pins: i2c1 {
++ brcm,pins = <2 3>;
++ brcm,function = <4>;
++ };
++};
++
++&spi0 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&spi0_pins>;
++
++ spidev@0{
++ compatible = "spidev";
++ reg = <0>; /* CE0 */
++ #address-cells = <1>;
++ #size-cells = <0>;
++ spi-max-frequency = <500000>;
+ };
+
+- alt3: alt3 {
+- brcm,pins = <48 49 50 51 52 53>;
+- brcm,function = <7>; /* alt3 */
++ spidev@1{
++ compatible = "spidev";
++ reg = <1>; /* CE1 */
++ #address-cells = <1>;
++ #size-cells = <0>;
++ spi-max-frequency = <500000>;
+ };
+ };
+
+ &i2c0 {
+- status = "okay";
++ pinctrl-names = "default";
++ pinctrl-0 = <&i2c0_pins>;
+ clock-frequency = <100000>;
+ };
+
+ &i2c1 {
+- status = "okay";
++ pinctrl-names = "default";
++ pinctrl-0 = <&i2c1_pins>;
+ clock-frequency = <100000>;
+ };
+
+-&sdhci {
++&mmc {
+ status = "okay";
+ bus-width = <4>;
+ };
++
++&fb {
++ status = "okay";
++};
++
++/ {
++ __overrides__ {
++ i2s = <&i2s>,"status";
++ spi = <&spi0>,"status";
++ i2c0 = <&i2c0>,"status";
++ i2c1 = <&i2c1>,"status";
++ i2c0_baudrate = <&i2c0>,"clock-frequency:0";
++ i2c1_baudrate = <&i2c1>,"clock-frequency:0";
++ act_led_trigger = <&act_led>,"linux,default-trigger";
++ audio = <&audio>,"status";
++ };
++};
+--- a/arch/arm/boot/dts/bcm2835.dtsi
++++ b/arch/arm/boot/dts/bcm2835.dtsi
+@@ -6,14 +6,15 @@
+ interrupt-parent = <&intc>;
+
+ chosen {
+- bootargs = "earlyprintk console=ttyAMA0";
++ bootargs = "";
+ };
+
+- soc {
++ soc: soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x7e000000 0x20000000 0x02000000>;
++ dma-ranges = <0x40000000 0x00000000 0x20000000>;
+
+ timer@7e003000 {
+ compatible = "brcm,bcm2835-system-timer";
+@@ -50,16 +51,22 @@
+ #interrupt-cells = <2>;
+ };
+
+- watchdog@7e100000 {
++ watchdog: watchdog@7e100000 {
+ compatible = "brcm,bcm2835-pm-wdt";
+ reg = <0x7e100000 0x28>;
+ };
+
+- rng@7e104000 {
++ random: rng@7e104000 {
+ compatible = "brcm,bcm2835-rng";
+ reg = <0x7e104000 0x10>;
+ };
+
++ mailbox: mailbox@7e00b800 {
++ compatible = "brcm,bcm2708-vcio";
++ reg = <0x7e00b880 0x40>;
++ interrupts = <0 1>;
++ };
++
+ gpio: gpio@7e200000 {
+ compatible = "brcm,bcm2835-gpio";
+ reg = <0x7e200000 0xb4>;
+@@ -83,7 +90,7 @@
+ #interrupt-cells = <2>;
+ };
+
+- uart@7e201000 {
++ uart0: uart@7e201000 {
+ compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell";
+ reg = <0x7e201000 0x1000>;
+ interrupts = <2 25>;
+@@ -102,7 +109,7 @@
+ status = "disabled";
+ };
+
+- spi: spi@7e204000 {
++ spi0: spi@7e204000 {
+ compatible = "brcm,bcm2835-spi";
+ reg = <0x7e204000 0x1000>;
+ interrupts = <2 22>;
+@@ -122,11 +129,14 @@
+ status = "disabled";
+ };
+
+- sdhci: sdhci@7e300000 {
+- compatible = "brcm,bcm2835-sdhci";
++ mmc: mmc@7e300000 {
++ compatible = "brcm,bcm2835-mmc";
+ reg = <0x7e300000 0x100>;
+ interrupts = <2 30>;
+ clocks = <&clk_mmc>;
++ dmas = <&dma 11>,
++ <&dma 11>;
++ dma-names = "tx", "rx";
+ status = "disabled";
+ };
+
+@@ -140,7 +150,7 @@
+ status = "disabled";
+ };
+
+- usb@7e980000 {
++ usb: usb@7e980000 {
+ compatible = "brcm,bcm2835-usb";
+ reg = <0x7e980000 0x10000>;
+ interrupts = <1 9>;
+@@ -149,6 +159,21 @@
+ arm-pmu {
+ compatible = "arm,arm1176-pmu";
+ };
++
++ fb: fb {
++ compatible = "brcm,bcm2708-fb";
++ status = "disabled";
++ };
++
++ vchiq: vchiq {
++ compatible = "brcm,bcm2835-vchiq";
++ reg = <0x7e00b840 0xf>;
++ interrupts = <0 2>;
++ };
++
++ thermal: thermal {
++ compatible = "brcm,bcm2835-thermal";
++ };
+ };
+
+ clocks {
+@@ -161,7 +186,7 @@
+ reg = <0>;
+ #clock-cells = <0>;
+ clock-output-names = "mmc";
+- clock-frequency = <100000000>;
++ clock-frequency = <250000000>;
+ };
+
+ clk_i2c: clock@1 {
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -0,0 +1,57 @@
++ifeq ($(CONFIG_OF),y)
++
++# Overlays for the Raspberry Pi platform
++
++ifeq ($(CONFIG_BCM2708_DT),y)
++ RPI_DT_OVERLAYS=y
++endif
++ifeq ($(CONFIG_BCM2709_DT),y)
++ RPI_DT_OVERLAYS=y
++endif
++ifeq ($(CONFIG_ARCH_BCM2835),y)
++ RPI_DT_OVERLAYS=y
++endif
++
++dtb-$(RPI_DT_OVERLAYS) += ads7846-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += bmp085_i2c-sensor-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += dht11-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += enc28j60-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += hifiberry-amp-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += hifiberry-dac-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += hifiberry-dacplus-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += hifiberry-digi-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += hy28a-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += hy28b-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += i2c-rtc-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += i2s-mmap-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += iqaudio-dac-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += iqaudio-dacplus-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += lirc-rpi-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += mcp2515-can0-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += mmc-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += mz61581-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += piscreen-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += pitft28-resistive-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += pps-gpio-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += rpi-dac-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += rpi-display-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += rpi-proto-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += sdhost-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += spi-bcm2708-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += spi-bcm2835-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += tinylcd35-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += w1-gpio-overlay.dtb
++dtb-$(RPI_DT_OVERLAYS) += w1-gpio-pullup-overlay.dtb
++
++targets += dtbs dtbs_install
++targets += $(dtb-y)
++
++endif
++
++always := $(dtb-y)
++clean-files := *.dtb
++
++# Enable fixups to support overlays on BCM2708 platforms
++ifeq ($(RPI_DT_OVERLAYS),y)
++ DTC_FLAGS ?= -@
++endif
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/README
+@@ -0,0 +1,493 @@
++Introduction
++============
++
++This directory contains Device Tree overlays. Device Tree makes it possible
++to support many hardware configurations with a single kernel and without the
++need to explicitly load or blacklist kernel modules. Note that this isn't a
++"pure" Device Tree configuration (c.f. MACH_BCM2835) - some on-board devices
++are still configured by the board support code, but the intention is to
++eventually reach that goal.
++
++On Raspberry Pi, Device Tree usage is controlled from /boot/config.txt. By
++default, the Raspberry Pi kernel boots with device tree enabled. You can
++completely disable DT usage (for now) by adding:
++
++ device_tree=
++
++to your config.txt, which should cause your Pi to revert to the old way of
++doing things after a reboot.
++
++In /boot you will find a .dtb for each base platform. This describes the
++hardware that is part of the Raspberry Pi board. The loader (start.elf and its
++siblings) selects the .dtb file appropriate for the platform by name, and reads
++it into memory. At this point, all of the optional interfaces (i2c, i2s, spi)
++are disabled, but they can be enabled using Device Tree parameters:
++
++ dtparam=i2c=on,i2s=on,spi=on
++
++However, this shouldn't be necessary in many use cases because loading an
++overlay that requires one of those interfaces will cause it to be enabled
++automatically, and it is advisable to only enable interfaces if they are
++needed.
++
++Configuring additional, optional hardware is done using Device Tree overlays
++(see below).
++
++raspi-config
++============
++
++The Advanced Options section of the raspi-config utility can enable and disable
++Device Tree use, as well as toggling the I2C and SPI interfaces. Note that it
++is possible to both enable an interface and blacklist the driver, if for some
++reason you should want to defer the loading.
++
++Modules
++=======
++
++As well as describing the hardware, Device Tree also gives enough information
++to allow suitable driver modules to be located and loaded, with the corollary
++that unneeded modules are not loaded. As a result it should be possible to
++remove lines from /etc/modules, and /etc/modprobe.d/raspi-blacklist.conf can
++have its contents deleted (or commented out).
++
++Using Overlays
++==============
++
++Overlays are loaded using the "dtoverlay" directive. As an example, consider the
++popular lirc-rpi module, the Linux Infrared Remote Control driver. In the
++pre-DT world this would be loaded from /etc/modules, with an explicit
++"modprobe lirc-rpi" command, or programmatically by lircd. With DT enabled,
++this becomes a line in config.txt:
++
++ dtoverlay=lirc-rpi
++
++This causes the file /boot/overlays/lirc-rpi-overlay.dtb to be loaded. By
++default it will use GPIOs 17 (out) and 18 (in), but this can be modified using
++DT parameters:
++
++ dtoverlay=lirc-rpi,gpio_out_pin=17,gpio_in_pin=13
++
++Parameters always have default values, although in some cases (e.g. "w1-gpio")
++it is necessary to provided multiple overlays in order to get the desired
++behaviour. See the list of overlays below for a description of the parameters and their defaults.
++
++The Overlay and Parameter Reference
++===================================
++
++Name: <The base DTB>
++Info: Configures the base Raspberry Pi hardware
++Load: <loaded automatically>
++Params:
++ audio Set to "on" to disable the onboard ALSA audio
++ interface (default "off")
++
++ i2c_arm Set to "on" to enable the ARM's i2c interface
++ (default "off")
++
++ i2c_vc Set to "on" to enable the i2c interface
++ usually reserved for the VideoCore processor
++ (default "off")
++
++ i2c An alias for i2c_arm
++
++ i2c_arm_baudrate Set the baudrate of the ARM's i2c interface
++ (default "100000")
++
++ i2c_vc_baudrate Set the baudrate of the VideoCore i2c interface
++ (default "100000")
++
++ i2c_baudrate An alias for i2c_arm_baudrate
++
++ i2s Set to "on" to enable the i2s interface
++ (default "off")
++
++ spi Set to "on" to enable the spi interfaces
++ (default "off")
++
++ random Set to "on" to enable the hardware random
++ number generator (default "off")
++
++ uart0 Set to "off" to disable uart0 (default "on")
++
++ watchdog Set to "on" to enable the hardware watchdog
++ (default "off")
++
++ act_led_trigger Choose which activity the LED tracks.
++ Use "heartbeat" for a nice load indicator.
++ (default "mmc")
++
++ act_led_activelow Set to "on" to invert the sense of the LED
++ (default "off")
++
++ act_led_gpio Set which GPIO to use for the activity LED
++ (in case you want to connect it to an external
++ device)
++ (default "16" on a non-Plus board, "47" on a
++ Plus or Pi 2)
++
++ pwr_led_trigger
++ pwr_led_activelow
++ pwr_led_gpio
++ As for act_led_*, but using the PWR LED.
++ Not available on Model A/B boards.
++
++ N.B. It is recommended to only enable those interfaces that are needed.
++ Leaving all interfaces enabled can lead to unwanted behaviour (i2c_vc
++ interfering with Pi Camera, I2S and SPI hogging GPIO pins, etc.)
++ Note also that i2c, i2c_arm and i2c_vc are aliases for the physical
++ interfaces i2c0 and i2c1. Use of the numeric variants is still possible
++ but deprecated because the ARM/VC assignments differ between board
++ revisions. The same board-specific mapping applies to i2c_baudrate,
++ and the other i2c baudrate parameters.
++
++
++Name: ads7846
++Info: ADS7846 Touch controller
++Load: dtoverlay=ads7846,<param>=<val>
++Params: cs SPI bus Chip Select (default 1)
++ speed SPI bus speed (default 2Mhz, max 3.25MHz)
++ penirq GPIO used for PENIRQ. REQUIRED
++ penirq_pull Set GPIO pull (default 0=none, 2=pullup)
++ swapxy Swap x and y axis
++ xmin Minimum value on the X axis (default 0)
++ ymin Minimum value on the Y axis (default 0)
++ xmax Maximum value on the X axis (default 4095)
++ ymax Maximum value on the Y axis (default 4095)
++ pmin Minimum reported pressure value (default 0)
++ pmax Maximum reported pressure value (default 65535)
++ xohms Touchpanel sensitivity (X-plate resistance)
++ (default 400)
++
++ penirq is required and usually xohms (60-100) has to be set as well.
++ Apart from that, pmax (255) and swapxy are also common.
++ The rest of the calibration can be done with xinput-calibrator.
++ See: github.com/notro/fbtft/wiki/FBTFT-on-Raspian
++ Device Tree binding document:
++ www.kernel.org/doc/Documentation/devicetree/bindings/input/ads7846.txt
++
++
++Name: bmp085_i2c-sensor
++Info: Configures the BMP085/BMP180 digital barometric pressure and temperature
++ sensors from Bosch Sensortec
++Load: dtoverlay=bmp085_i2c-sensor
++Params: <None>
++
++
++[ The ds1307-rtc overlay has been deleted. See i2c-rtc. ]
++
++
++Name: enc28j60
++Info: Overlay for the Microchip ENC28J60 Ethernet Controller (SPI)
++Load: dtoverlay=enc28j60,<param>=<val>
++Params: int_pin GPIO used for INT (default 25)
++
++ speed SPI bus speed (default 12000000)
++
++
++Name: hifiberry-amp
++Info: Configures the HifiBerry Amp and Amp+ audio cards
++Load: dtoverlay=hifiberry-amp
++Params: <None>
++
++
++Name: hifiberry-dac
++Info: Configures the HifiBerry DAC audio card
++Load: dtoverlay=hifiberry-dac
++Params: <None>
++
++
++Name: hifiberry-dacplus
++Info: Configures the HifiBerry DAC+ audio card
++Load: dtoverlay=hifiberry-dacplus
++Params: <None>
++
++
++Name: hifiberry-digi
++Info: Configures the HifiBerry Digi audio card
++Load: dtoverlay=hifiberry-digi
++Params: <None>
++
++
++Name: hy28a
++Info: HY28A - 2.8" TFT LCD Display Module by HAOYU Electronics
++ Default values match Texy's display shield
++Load: dtoverlay=hy28a,<param>=<val>
++Params: speed Display SPI bus speed
++
++ rotate Display rotation {0,90,180,270}
++
++ fps Delay between frame updates
++
++ debug Debug output level {0-7}
++
++ xohms Touchpanel sensitivity (X-plate resistance)
++
++ resetgpio GPIO used to reset controller
++
++ ledgpio GPIO used to control backlight
++
++
++Name: hy28b
++Info: HY28B - 2.8" TFT LCD Display Module by HAOYU Electronics
++ Default values match Texy's display shield
++Load: dtoverlay=hy28b,<param>=<val>
++Params: speed Display SPI bus speed
++
++ rotate Display rotation {0,90,180,270}
++
++ fps Delay between frame updates
++
++ debug Debug output level {0-7}
++
++ xohms Touchpanel sensitivity (X-plate resistance)
++
++ resetgpio GPIO used to reset controller
++
++ ledgpio GPIO used to control backlight
++
++
++Name: i2c-rtc
++Info: Adds support for a number of I2C Real Time Clock devices
++Load: dtoverlay=i2c-rtc,<param>
++Params: ds1307 Select the DS1307 device
++
++ ds3231 Select the DS3231 device
++
++ pcf2127 Select the PCF2127 device
++
++ pcf8523 Select the PCF8523 device
++
++ pcf8563 Select the PCF8563 device
++
++
++Name: iqaudio-dac
++Info: Configures the IQaudio DAC audio card
++Load: dtoverlay=iqaudio-dac
++Params: <None>
++
++
++Name: iqaudio-dacplus
++Info: Configures the IQaudio DAC+ audio card
++Load: dtoverlay=iqaudio-dacplus
++Params: <None>
++
++
++Name: lirc-rpi
++Info: Configures lirc-rpi (Linux Infrared Remote Control for Raspberry Pi)
++ Consult the module documentation for more details.
++Load: dtoverlay=lirc-rpi,<param>=<val>,...
++Params: gpio_out_pin GPIO for output (default "17")
++
++ gpio_in_pin GPIO for input (default "18")
++
++ gpio_in_pull Pull up/down/off on the input pin
++ (default "down")
++
++ sense Override the IR receive auto-detection logic:
++ "1" = force active high
++ "0" = force active low
++ "-1" = use auto-detection
++ (default "-1")
++
++ softcarrier Turn the software carrier "on" or "off"
++ (default "on")
++
++ invert "on" = invert the output pin (default "off")
++
++ debug "on" = enable additional debug messages
++ (default "off")
++
++
++Name: mcp2515-can0
++Info: Configures the MCP2515 CAN controller
++Load: dtoverlay=mcp2515-can0,<param>=<val>
++Params: oscillator Clock frequency for the CAN controller (Hz)
++
++ spimaxfrequency Maximum SPI frequence (Hz)
++
++ interrupt GPIO for interrupt signal
++
++
++Name: mmc
++Info: Selects the bcm2835-mmc SD/MMC driver, optionally with overclock
++Load: dtoverlay=mmc,<param>=<val>
++Params: overclock_50 Clock (in MHz) to use when the MMC framework
++ requests 50MHz
++ force_pio Disable DMA support
++
++
++Name: mz61581
++Info: MZ61581 display by Tontec
++Load: dtoverlay=mz61581,<param>=<val>
++Params: speed Display SPI bus speed
++
++ rotate Display rotation {0,90,180,270}
++
++ fps Delay between frame updates
++
++ debug Debug output level {0-7}
++
++ xohms Touchpanel sensitivity (X-plate resistance)
++
++
++[ The pcf2127-rtc overlay has been deleted. See i2c-rtc. ]
++
++
++[ The pcf8523-rtc overlay has been deleted. See i2c-rtc. ]
++
++
++[ The pcf8563-rtc overlay has been deleted. See i2c-rtc. ]
++
++
++Name: piscreen
++Info: PiScreen display by OzzMaker.com
++Load: dtoverlay=piscreen,<param>=<val>
++Params: speed Display SPI bus speed
++
++ rotate Display rotation {0,90,180,270}
++
++ fps Delay between frame updates
++
++ debug Debug output level {0-7}
++
++ xohms Touchpanel sensitivity (X-plate resistance)
++
++
++Name: pitft28-resistive
++Info: Adafruit PiTFT 2.8" resistive touch screen
++Load: dtoverlay=pitft28-resistive,<param>=<val>
++Params: speed Display SPI bus speed
++
++ rotate Display rotation {0,90,180,270}
++
++ fps Delay between frame updates
++
++ debug Debug output level {0-7}
++
++
++Name: pps-gpio
++Info: Configures the pps-gpio (pulse-per-second time signal via GPIO).
++Load: dtoverlay=pps-gpio,<param>=<val>
++Params: gpiopin Input GPIO (default "18")
++
++
++Name: rpi-dac
++Info: Configures the RPi DAC audio card
++Load: dtoverlay=rpi-dac
++Params: <None>
++
++
++Name: rpi-display
++Info: RPi-Display - 2.8" Touch Display by Watterott
++Load: dtoverlay=rpi-display,<param>=<val>
++Params: speed Display SPI bus speed
++
++ rotate Display rotation {0,90,180,270}
++
++ fps Delay between frame updates
++
++ debug Debug output level {0-7}
++
++ xohms Touchpanel sensitivity (X-plate resistance)
++
++
++Name: rpi-proto
++Info: Configures the RPi Proto audio card
++Load: dtoverlay=rpi-proto
++Params: <None>
++
++
++Name: sdhost
++Info: Selects the bcm2835-sdhost SD/MMC driver, optionally with overclock
++Load: dtoverlay=sdhost,<param>=<val>
++Params: overclock_50 Clock (in MHz) to use when the MMC framework
++ requests 50MHz
++ force_pio Disable DMA support
++
++
++Name: spi-bcm2708
++Info: Selects the bcm2708-spi SPI driver
++Load: dtoverlay=spi-bcm2708
++Params: <None>
++
++
++Name: spi-bcm2835
++Info: Selects the bcm2835-spi SPI driver
++Load: dtoverlay=spi-bcm2835
++Params: <None>
++
++
++Name: tinylcd35
++Info: 3.5" Color TFT Display by www.tinylcd.com
++ Options: Touch, RTC, keypad
++Load: dtoverlay=tinylcd35,<param>=<val>
++Params: speed Display SPI bus speed
++
++ rotate Display rotation {0,90,180,270}
++
++ fps Delay between frame updates
++
++ debug Debug output level {0-7}
++
++ touch Enable touch panel
++
++ touchgpio Touch controller IRQ GPIO
++
++ xohms Touchpanel: Resistance of X-plate in ohms
++
++ rtc-pcf PCF8563 Real Time Clock
++
++ rtc-ds DS1307 Real Time Clock
++
++ keypad Enable keypad
++
++ Examples:
++ Display with touchpanel, PCF8563 RTC and keypad:
++ dtoverlay=tinylcd35,touch,rtc-pcf,keypad
++ Old touch display:
++ dtoverlay=tinylcd35,touch,touchgpio=3
++
++
++Name: w1-gpio
++Info: Configures the w1-gpio Onewire interface module.
++ Use this overlay if you *don't* need a GPIO to drive an external pullup.
++Load: dtoverlay=w1-gpio,<param>=<val>
++Params: gpiopin GPIO for I/O (default "4")
++
++ pullup Non-zero, "on", or "y" to enable the parasitic
++ power (2-wire, power-on-data) feature
++
++
++Name: w1-gpio-pullup
++Info: Configures the w1-gpio Onewire interface module.
++ Use this overlay if you *do* need a GPIO to drive an external pullup.
++Load: dtoverlay=w1-gpio-pullup,<param>=<val>,...
++Params: gpiopin GPIO for I/O (default "4")
++
++ pullup Non-zero, "on", or "y" to enable the parasitic
++ power (2-wire, power-on-data) feature
++
++ extpullup GPIO for external pullup (default "5")
++
++
++Troubleshooting
++===============
++
++If you are experiencing problems that you think are DT-related, enable DT
++diagnostic output by adding this to /boot/config.txt:
++
++ dtdebug=on
++
++and rebooting. Then run:
++
++ sudo vcdbg log msg
++
++and look for relevant messages.
++
++Further reading
++===============
++
++This is only meant to be a quick introduction to the subject of Device Tree on
++Raspberry Pi. There is a more complete explanation here:
++
++http://www.raspberrypi.org/documentation/configuration/device-tree.md
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/ads7846-overlay.dts
+@@ -0,0 +1,83 @@
++/*
++ * Generic Device Tree overlay for the ADS7846 touch controller
++ *
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
++
++ fragment@0 {
++ target = <&spi0>;
++ __overlay__ {
++ status = "okay";
++
++ spidev@0{
++ status = "disabled";
++ };
++
++ spidev@1{
++ status = "disabled";
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ ads7846_pins: ads7846_pins {
++ brcm,pins = <255>; /* illegal default value */
++ brcm,function = <0>; /* in */
++ brcm,pull = <0>; /* none */
++ };
++ };
++ };
++
++ fragment@2 {
++ target = <&spi0>;
++ __overlay__ {
++ /* needed to avoid dtc warning */
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ ads7846: ads7846@1 {
++ compatible = "ti,ads7846";
++ reg = <1>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&ads7846_pins>;
++
++ spi-max-frequency = <2000000>;
++ interrupts = <255 2>; /* high-to-low edge triggered */
++ interrupt-parent = <&gpio>;
++ pendown-gpio = <&gpio 255 0>;
++
++ /* driver defaults */
++ ti,x-min = /bits/ 16 <0>;
++ ti,y-min = /bits/ 16 <0>;
++ ti,x-max = /bits/ 16 <0x0FFF>;
++ ti,y-max = /bits/ 16 <0x0FFF>;
++ ti,pressure-min = /bits/ 16 <0>;
++ ti,pressure-max = /bits/ 16 <0xFFFF>;
++ ti,x-plate-ohms = /bits/ 16 <400>;
++ };
++ };
++ };
++ __overrides__ {
++ cs = <&ads7846>,"reg:0";
++ speed = <&ads7846>,"spi-max-frequency:0";
++ penirq = <&ads7846_pins>,"brcm,pins:0", /* REQUIRED */
++ <&ads7846>,"interrupts:0",
++ <&ads7846>,"pendown-gpio:4";
++ penirq_pull = <&ads7846_pins>,"brcm,pull:0";
++ swapxy = <&ads7846>,"ti,swap-xy?";
++ xmin = <&ads7846>,"ti,x-min;0";
++ ymin = <&ads7846>,"ti,y-min;0";
++ xmax = <&ads7846>,"ti,x-max;0";
++ ymax = <&ads7846>,"ti,y-max;0";
++ pmin = <&ads7846>,"ti,pressure-min;0";
++ pmax = <&ads7846>,"ti,pressure-max;0";
++ xohms = <&ads7846>,"ti,x-plate-ohms;0";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/bmp085_i2c-sensor-overlay.dts
+@@ -0,0 +1,23 @@
++// Definitions for BMP085/BMP180 digital barometric pressure and temperature sensors from Bosch Sensortec
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&i2c1>;
++ __overlay__ {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ status = "okay";
++
++ bmp085@77 {
++ compatible = "bosch,bmp085";
++ reg = <0x77>;
++ default-oversampling = <3>;
++ status = "okay";
++ };
++ };
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/dht11-overlay.dts
+@@ -0,0 +1,39 @@
++/*
++ * Overlay for the DHT11/21/22 humidity/temperature sensor modules.
++ */
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target-path = "/";
++ __overlay__ {
++
++ dht11: dht11@0 {
++ compatible = "dht11";
++ pinctrl-names = "default";
++ pinctrl-0 = <&dht11_pins>;
++ gpios = <&gpio 4 0>;
++ status = "okay";
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ dht11_pins: dht11_pins {
++ brcm,pins = <4>;
++ brcm,function = <0>; // in
++ brcm,pull = <0>; // off
++ };
++ };
++ };
++
++ __overrides__ {
++ gpiopin = <&dht11_pins>,"brcm,pins:0",
++ <&dht11>,"gpios:4";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/enc28j60-overlay.dts
+@@ -0,0 +1,50 @@
++// Overlay for the Microchip ENC28J60 Ethernet Controller
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&spi0>;
++ __overlay__ {
++ /* needed to avoid dtc warning */
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ status = "okay";
++
++ spidev@0{
++ status = "disabled";
++ };
++
++ eth1: enc28j60@0{
++ compatible = "microchip,enc28j60";
++ reg = <0>; /* CE0 */
++ pinctrl-names = "default";
++ pinctrl-0 = <&eth1_pins>;
++ interrupt-parent = <&gpio>;
++ interrupts = <25 0x2>; /* falling edge */
++ spi-max-frequency = <12000000>;
++ status = "okay";
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ eth1_pins: eth1_pins {
++ brcm,pins = <25>;
++ brcm,function = <0>; /* in */
++ brcm,pull = <0>; /* none */
++ };
++ };
++ };
++
++ __overrides__ {
++ int_pin = <&eth1>, "interrupts:0",
++ <&eth1_pins>, "brcm,pins:0";
++ speed = <&eth1>, "spi-max-frequency:0";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/hifiberry-amp-overlay.dts
+@@ -0,0 +1,39 @@
++// Definitions for HiFiBerry Amp/Amp+
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&sound>;
++ __overlay__ {
++ compatible = "hifiberry,hifiberry-amp";
++ i2s-controller = <&i2s>;
++ status = "okay";
++ };
++ };
++
++ fragment@1 {
++ target = <&i2s>;
++ __overlay__ {
++ status = "okay";
++ };
++ };
++
++ fragment@2 {
++ target = <&i2c1>;
++ __overlay__ {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ status = "okay";
++
++ tas5713@1b {
++ #sound-dai-cells = <0>;
++ compatible = "ti,tas5713";
++ reg = <0x1b>;
++ status = "okay";
++ };
++ };
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/hifiberry-dac-overlay.dts
+@@ -0,0 +1,34 @@
++// Definitions for HiFiBerry DAC
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&sound>;
++ __overlay__ {
++ compatible = "hifiberry,hifiberry-dac";
++ i2s-controller = <&i2s>;
++ status = "okay";
++ };
++ };
++
++ fragment@1 {
++ target = <&i2s>;
++ __overlay__ {
++ status = "okay";
++ };
++ };
++
++ fragment@2 {
++ target-path = "/";
++ __overlay__ {
++ pcm5102a-codec {
++ #sound-dai-cells = <0>;
++ compatible = "ti,pcm5102a";
++ status = "okay";
++ };
++ };
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/hifiberry-dacplus-overlay.dts
+@@ -0,0 +1,39 @@
++// Definitions for HiFiBerry DAC+
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&sound>;
++ __overlay__ {
++ compatible = "hifiberry,hifiberry-dacplus";
++ i2s-controller = <&i2s>;
++ status = "okay";
++ };
++ };
++
++ fragment@1 {
++ target = <&i2s>;
++ __overlay__ {
++ status = "okay";
++ };
++ };
++
++ fragment@2 {
++ target = <&i2c1>;
++ __overlay__ {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ status = "okay";
++
++ pcm5122@4d {
++ #sound-dai-cells = <0>;
++ compatible = "ti,pcm5122";
++ reg = <0x4d>;
++ status = "okay";
++ };
++ };
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/hifiberry-digi-overlay.dts
+@@ -0,0 +1,39 @@
++// Definitions for HiFiBerry Digi
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&sound>;
++ __overlay__ {
++ compatible = "hifiberry,hifiberry-digi";
++ i2s-controller = <&i2s>;
++ status = "okay";
++ };
++ };
++
++ fragment@1 {
++ target = <&i2s>;
++ __overlay__ {
++ status = "okay";
++ };
++ };
++
++ fragment@2 {
++ target = <&i2c1>;
++ __overlay__ {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ status = "okay";
++
++ wm8804@3b {
++ #sound-dai-cells = <0>;
++ compatible = "wlf,wm8804";
++ reg = <0x3b>;
++ status = "okay";
++ };
++ };
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/hy28a-overlay.dts
+@@ -0,0 +1,87 @@
++/*
++ * Device Tree overlay for HY28A display
++ *
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
++
++ fragment@0 {
++ target = <&spi0>;
++ __overlay__ {
++ status = "okay";
++
++ spidev@0{
++ status = "disabled";
++ };
++
++ spidev@1{
++ status = "disabled";
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ hy28a_pins: hy28a_pins {
++ brcm,pins = <17 25 18>;
++ brcm,function = <0 1 1>; /* in out out */
++ };
++ };
++ };
++
++ fragment@2 {
++ target = <&spi0>;
++ __overlay__ {
++ /* needed to avoid dtc warning */
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ hy28a: hy28a@0{
++ compatible = "ilitek,ili9320";
++ reg = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&hy28a_pins>;
++
++ spi-max-frequency = <32000000>;
++ spi-cpol;
++ spi-cpha;
++ rotate = <270>;
++ bgr;
++ fps = <50>;
++ buswidth = <8>;
++ startbyte = <0x70>;
++ reset-gpios = <&gpio 25 0>;
++ led-gpios = <&gpio 18 1>;
++ debug = <0>;
++ };
++
++ hy28a_ts: hy28a-ts@1 {
++ compatible = "ti,ads7846";
++ reg = <1>;
++
++ spi-max-frequency = <2000000>;
++ interrupts = <17 2>; /* high-to-low edge triggered */
++ interrupt-parent = <&gpio>;
++ pendown-gpio = <&gpio 17 0>;
++ ti,x-plate-ohms = /bits/ 16 <100>;
++ ti,pressure-max = /bits/ 16 <255>;
++ };
++ };
++ };
++ __overrides__ {
++ speed = <&hy28a>,"spi-max-frequency:0";
++ rotate = <&hy28a>,"rotate:0";
++ fps = <&hy28a>,"fps:0";
++ debug = <&hy28a>,"debug:0";
++ xohms = <&hy28a_ts>,"ti,x-plate-ohms;0";
++ resetgpio = <&hy28a>,"reset-gpios:4",
++ <&hy28a_pins>, "brcm,pins:1";
++ ledgpio = <&hy28a>,"led-gpios:4",
++ <&hy28a_pins>, "brcm,pins:2";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/hy28b-overlay.dts
+@@ -0,0 +1,142 @@
++/*
++ * Device Tree overlay for HY28b display shield by Texy
++ *
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
++
++ fragment@0 {
++ target = <&spi0>;
++ __overlay__ {
++ status = "okay";
++
++ spidev@0{
++ status = "disabled";
++ };
++
++ spidev@1{
++ status = "disabled";
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ hy28b_pins: hy28b_pins {
++ brcm,pins = <17 25 18>;
++ brcm,function = <0 1 1>; /* in out out */
++ };
++ };
++ };
++
++ fragment@2 {
++ target = <&spi0>;
++ __overlay__ {
++ /* needed to avoid dtc warning */
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ hy28b: hy28b@0{
++ compatible = "ilitek,ili9325";
++ reg = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&hy28b_pins>;
++
++ spi-max-frequency = <48000000>;
++ spi-cpol;
++ spi-cpha;
++ rotate = <270>;
++ bgr;
++ fps = <50>;
++ buswidth = <8>;
++ startbyte = <0x70>;
++ reset-gpios = <&gpio 25 0>;
++ led-gpios = <&gpio 18 1>;
++
++ gamma = "04 1F 4 7 7 0 7 7 6 0\n0F 00 1 7 4 0 0 0 6 7";
++
++ init = <0x10000e7 0x0010
++ 0x1000000 0x0001
++ 0x1000001 0x0100
++ 0x1000002 0x0700
++ 0x1000003 0x1030
++ 0x1000004 0x0000
++ 0x1000008 0x0207
++ 0x1000009 0x0000
++ 0x100000a 0x0000
++ 0x100000c 0x0001
++ 0x100000d 0x0000
++ 0x100000f 0x0000
++ 0x1000010 0x0000
++ 0x1000011 0x0007
++ 0x1000012 0x0000
++ 0x1000013 0x0000
++ 0x2000032
++ 0x1000010 0x1590
++ 0x1000011 0x0227
++ 0x2000032
++ 0x1000012 0x009c
++ 0x2000032
++ 0x1000013 0x1900
++ 0x1000029 0x0023
++ 0x100002b 0x000e
++ 0x2000032
++ 0x1000020 0x0000
++ 0x1000021 0x0000
++ 0x2000032
++ 0x1000050 0x0000
++ 0x1000051 0x00ef
++ 0x1000052 0x0000
++ 0x1000053 0x013f
++ 0x1000060 0xa700
++ 0x1000061 0x0001
++ 0x100006a 0x0000
++ 0x1000080 0x0000
++ 0x1000081 0x0000
++ 0x1000082 0x0000
++ 0x1000083 0x0000
++ 0x1000084 0x0000
++ 0x1000085 0x0000
++ 0x1000090 0x0010
++ 0x1000092 0x0000
++ 0x1000093 0x0003
++ 0x1000095 0x0110
++ 0x1000097 0x0000
++ 0x1000098 0x0000
++ 0x1000007 0x0133
++ 0x1000020 0x0000
++ 0x1000021 0x0000
++ 0x2000064>;
++ debug = <0>;
++ };
++
++ hy28b_ts: hy28b-ts@1 {
++ compatible = "ti,ads7846";
++ reg = <1>;
++
++ spi-max-frequency = <2000000>;
++ interrupts = <17 2>; /* high-to-low edge triggered */
++ interrupt-parent = <&gpio>;
++ pendown-gpio = <&gpio 17 0>;
++ ti,x-plate-ohms = /bits/ 16 <100>;
++ ti,pressure-max = /bits/ 16 <255>;
++ };
++ };
++ };
++ __overrides__ {
++ speed = <&hy28b>,"spi-max-frequency:0";
++ rotate = <&hy28b>,"rotate:0";
++ fps = <&hy28b>,"fps:0";
++ debug = <&hy28b>,"debug:0";
++ xohms = <&hy28b_ts>,"ti,x-plate-ohms;0";
++ resetgpio = <&hy28b>,"reset-gpios:4",
++ <&hy28b_pins>, "brcm,pins:1";
++ ledgpio = <&hy28b>,"led-gpios:4",
++ <&hy28b_pins>, "brcm,pins:2";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
+@@ -0,0 +1,49 @@
++// Definitions for several I2C based Real Time Clocks
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&i2c1>;
++ __overlay__ {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ status = "okay";
++
++ ds1307: ds1307@68 {
++ compatible = "maxim,ds1307";
++ reg = <0x68>;
++ status = "disable";
++ };
++ ds3231: ds3231@68 {
++ compatible = "maxim,ds3231";
++ reg = <0x68>;
++ status = "disable";
++ };
++ pcf2127: pcf2127@51 {
++ compatible = "nxp,pcf2127";
++ reg = <0x51>;
++ status = "disable";
++ };
++ pcf8523: pcf8523@68 {
++ compatible = "nxp,pcf8523";
++ reg = <0x68>;
++ status = "disable";
++ };
++ pcf8563: pcf8563@51 {
++ compatible = "nxp,pcf8563";
++ reg = <0x51>;
++ status = "disable";
++ };
++ };
++ };
++ __overrides__ {
++ ds1307 = <&ds1307>,"status";
++ ds3231 = <&ds3231>,"status";
++ pcf2127 = <&pcf2127>,"status";
++ pcf8523 = <&pcf8523>,"status";
++ pcf8563 = <&pcf8563>,"status";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/i2s-mmap-overlay.dts
+@@ -0,0 +1,13 @@
++/dts-v1/;
++/plugin/;
++
++/{
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&i2s>;
++ __overlay__ {
++ brcm,enable-mmap;
++ };
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/iqaudio-dac-overlay.dts
+@@ -0,0 +1,39 @@
++// Definitions for IQaudIO DAC
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&sound>;
++ __overlay__ {
++ compatible = "iqaudio,iqaudio-dac";
++ i2s-controller = <&i2s>;
++ status = "okay";
++ };
++ };
++
++ fragment@1 {
++ target = <&i2s>;
++ __overlay__ {
++ status = "okay";
++ };
++ };
++
++ fragment@2 {
++ target = <&i2c1>;
++ __overlay__ {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ status = "okay";
++
++ pcm5122@4c {
++ #sound-dai-cells = <0>;
++ compatible = "ti,pcm5122";
++ reg = <0x4c>;
++ status = "okay";
++ };
++ };
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/iqaudio-dacplus-overlay.dts
+@@ -0,0 +1,39 @@
++// Definitions for IQaudIO DAC+
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&sound>;
++ __overlay__ {
++ compatible = "iqaudio,iqaudio-dac";
++ i2s-controller = <&i2s>;
++ status = "okay";
++ };
++ };
++
++ fragment@1 {
++ target = <&i2s>;
++ __overlay__ {
++ status = "okay";
++ };
++ };
++
++ fragment@2 {
++ target = <&i2c1>;
++ __overlay__ {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ status = "okay";
++
++ pcm5122@4c {
++ #sound-dai-cells = <0>;
++ compatible = "ti,pcm5122";
++ reg = <0x4c>;
++ status = "okay";
++ };
++ };
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/lirc-rpi-overlay.dts
+@@ -0,0 +1,57 @@
++// Definitions for lirc-rpi module
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target-path = "/";
++ __overlay__ {
++ lirc_rpi: lirc_rpi {
++ compatible = "rpi,lirc-rpi";
++ pinctrl-names = "default";
++ pinctrl-0 = <&lirc_pins>;
++ status = "okay";
++
++ // Override autodetection of IR receiver circuit
++ // (0 = active high, 1 = active low, -1 = no override )
++ rpi,sense = <0xffffffff>;
++
++ // Software carrier
++ // (0 = off, 1 = on)
++ rpi,softcarrier = <1>;
++
++ // Invert output
++ // (0 = off, 1 = on)
++ rpi,invert = <0>;
++
++ // Enable debugging messages
++ // (0 = off, 1 = on)
++ rpi,debug = <0>;
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ lirc_pins: lirc_pins {
++ brcm,pins = <17 18>;
++ brcm,function = <1 0>; // out in
++ brcm,pull = <0 1>; // off down
++ };
++ };
++ };
++
++ __overrides__ {
++ gpio_out_pin = <&lirc_pins>,"brcm,pins:0";
++ gpio_in_pin = <&lirc_pins>,"brcm,pins:4";
++ gpio_in_pull = <&lirc_pins>,"brcm,pull:4";
++
++ sense = <&lirc_rpi>,"rpi,sense:0";
++ softcarrier = <&lirc_rpi>,"rpi,softcarrier:0";
++ invert = <&lirc_rpi>,"rpi,invert:0";
++ debug = <&lirc_rpi>,"rpi,debug:0";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/mcp2515-can0-overlay.dts
+@@ -0,0 +1,69 @@
++/*
++ * Device tree overlay for mcp251x/can0 on spi0.0
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835", "brcm,bcm2836", "brcm,bcm2708", "brcm,bcm2709";
++ /* disable spi-dev for spi0.0 */
++ fragment@0 {
++ target = <&spi0>;
++ __overlay__ {
++ status = "okay";
++ spidev@0{
++ status = "disabled";
++ };
++ };
++ };
++
++ /* the interrupt pin of the can-controller */
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ can0_pins: can0_pins {
++ brcm,pins = <25>;
++ brcm,function = <0>; /* input */
++ };
++ };
++ };
++
++ /* the clock/oscillator of the can-controller */
++ fragment@2 {
++ target-path = "/clocks";
++ __overlay__ {
++ /* external oscillator of mcp2515 on SPI0.0 */
++ can0_osc: can0_osc {
++ compatible = "fixed-clock";
++ #clock-cells = <0>;
++ clock-frequency = <16000000>;
++ };
++ };
++ };
++
++ /* the spi config of the can-controller itself binding everything together */
++ fragment@3 {
++ target = <&spi0>;
++ __overlay__ {
++ /* needed to avoid dtc warning */
++ #address-cells = <1>;
++ #size-cells = <0>;
++ can0: mcp2515@0 {
++ reg = <0>;
++ compatible = "microchip,mcp2515";
++ pinctrl-names = "default";
++ pinctrl-0 = <&can0_pins>;
++ spi-max-frequency = <10000000>;
++ interrupt-parent = <&gpio>;
++ interrupts = <25 0x2>;
++ clocks = <&can0_osc>;
++ };
++ };
++ };
++ __overrides__ {
++ oscillator = <&can0_osc>,"clock-frequency:0";
++ spimaxfrequency = <&can0>,"spi-max-frequency:0";
++ interrupt = <&can0_pins>,"brcm,pins:0",<&can0>,"interrupts:0";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/mmc-overlay.dts
+@@ -0,0 +1,19 @@
++/dts-v1/;
++/plugin/;
++
++/{
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&mmc>;
++
++ __overlay__ {
++ brcm,overclock-50 = <0>;
++ };
++ };
++
++ __overrides__ {
++ overclock_50 = <&mmc>,"brcm,overclock-50:0";
++ force_pio = <&mmc>,"brcm,force-pio?";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/mz61581-overlay.dts
+@@ -0,0 +1,109 @@
++/*
++ * Device Tree overlay for MZ61581-PI-EXT 2014.12.28 by Tontec
++ *
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
++
++ fragment@0 {
++ target = <&spi0>;
++ __overlay__ {
++ status = "okay";
++
++ spidev@0{
++ status = "disabled";
++ };
++
++ spidev@1{
++ status = "disabled";
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ mz61581_pins: mz61581_pins {
++ brcm,pins = <4 15 18 25>;
++ brcm,function = <0 1 1 1>; /* in out out out */
++ };
++ };
++ };
++
++ fragment@2 {
++ target = <&spi0>;
++ __overlay__ {
++ /* needed to avoid dtc warning */
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ mz61581: mz61581@0{
++ compatible = "samsung,s6d02a1";
++ reg = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&mz61581_pins>;
++
++ spi-max-frequency = <128000000>;
++ spi-cpol;
++ spi-cpha;
++
++ width = <320>;
++ height = <480>;
++ rotate = <270>;
++ bgr;
++ fps = <30>;
++ buswidth = <8>;
++
++ reset-gpios = <&gpio 15 0>;
++ dc-gpios = <&gpio 25 0>;
++ led-gpios = <&gpio 18 0>;
++
++ init = <0x10000b0 00
++ 0x1000011
++ 0x20000ff
++ 0x10000b3 0x02 0x00 0x00 0x00
++ 0x10000c0 0x13 0x3b 0x00 0x02 0x00 0x01 0x00 0x43
++ 0x10000c1 0x08 0x16 0x08 0x08
++ 0x10000c4 0x11 0x07 0x03 0x03
++ 0x10000c6 0x00
++ 0x10000c8 0x03 0x03 0x13 0x5c 0x03 0x07 0x14 0x08 0x00 0x21 0x08 0x14 0x07 0x53 0x0c 0x13 0x03 0x03 0x21 0x00
++ 0x1000035 0x00
++ 0x1000036 0xa0
++ 0x100003a 0x55
++ 0x1000044 0x00 0x01
++ 0x10000d0 0x07 0x07 0x1d 0x03
++ 0x10000d1 0x03 0x30 0x10
++ 0x10000d2 0x03 0x14 0x04
++ 0x1000029
++ 0x100002c>;
++
++ /* This is a workaround to make sure the init sequence slows down and doesn't fail */
++ debug = <3>;
++ };
++
++ mz61581_ts: mz61581_ts@1 {
++ compatible = "ti,ads7846";
++ reg = <1>;
++
++ spi-max-frequency = <2000000>;
++ interrupts = <4 2>; /* high-to-low edge triggered */
++ interrupt-parent = <&gpio>;
++ pendown-gpio = <&gpio 4 0>;
++
++ ti,x-plate-ohms = /bits/ 16 <60>;
++ ti,pressure-max = /bits/ 16 <255>;
++ };
++ };
++ };
++ __overrides__ {
++ speed = <&mz61581>, "spi-max-frequency:0";
++ rotate = <&mz61581>, "rotate:0";
++ fps = <&mz61581>, "fps:0";
++ debug = <&mz61581>, "debug:0";
++ xohms = <&mz61581_ts>,"ti,x-plate-ohms;0";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/piscreen-overlay.dts
+@@ -0,0 +1,96 @@
++/*
++ * Device Tree overlay for PiScreen 3.5" display shield by Ozzmaker
++ *
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
++
++ fragment@0 {
++ target = <&spi0>;
++ __overlay__ {
++ status = "okay";
++
++ spidev@0{
++ status = "disabled";
++ };
++
++ spidev@1{
++ status = "disabled";
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ piscreen_pins: piscreen_pins {
++ brcm,pins = <17 25 24 22>;
++ brcm,function = <0 1 1 1>; /* in out out out */
++ };
++ };
++ };
++
++ fragment@2 {
++ target = <&spi0>;
++ __overlay__ {
++ /* needed to avoid dtc warning */
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ piscreen: piscreen@0{
++ compatible = "ilitek,ili9486";
++ reg = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&piscreen_pins>;
++
++ spi-max-frequency = <24000000>;
++ rotate = <270>;
++ bgr;
++ fps = <30>;
++ buswidth = <8>;
++ regwidth = <16>;
++ reset-gpios = <&gpio 25 0>;
++ dc-gpios = <&gpio 24 0>;
++ led-gpios = <&gpio 22 1>;
++ debug = <0>;
++
++ init = <0x10000b0 0x00
++ 0x1000011
++ 0x20000ff
++ 0x100003a 0x55
++ 0x1000036 0x28
++ 0x10000c2 0x44
++ 0x10000c5 0x00 0x00 0x00 0x00
++ 0x10000e0 0x0f 0x1f 0x1c 0x0c 0x0f 0x08 0x48 0x98 0x37 0x0a 0x13 0x04 0x11 0x0d 0x00
++ 0x10000e1 0x0f 0x32 0x2e 0x0b 0x0d 0x05 0x47 0x75 0x37 0x06 0x10 0x03 0x24 0x20 0x00
++ 0x10000e2 0x0f 0x32 0x2e 0x0b 0x0d 0x05 0x47 0x75 0x37 0x06 0x10 0x03 0x24 0x20 0x00
++ 0x1000011
++ 0x1000029>;
++ };
++
++ piscreen_ts: piscreen-ts@1 {
++ compatible = "ti,ads7846";
++ reg = <1>;
++
++ spi-max-frequency = <2000000>;
++ interrupts = <17 2>; /* high-to-low edge triggered */
++ interrupt-parent = <&gpio>;
++ pendown-gpio = <&gpio 17 0>;
++ ti,swap-xy;
++ ti,x-plate-ohms = /bits/ 16 <100>;
++ ti,pressure-max = /bits/ 16 <255>;
++ };
++ };
++ };
++ __overrides__ {
++ speed = <&piscreen>,"spi-max-frequency:0";
++ rotate = <&piscreen>,"rotate:0";
++ fps = <&piscreen>,"fps:0";
++ debug = <&piscreen>,"debug:0";
++ xohms = <&piscreen_ts>,"ti,x-plate-ohms;0";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/pitft28-resistive-overlay.dts
+@@ -0,0 +1,115 @@
++/*
++ * Device Tree overlay for Adafruit PiTFT 2.8" resistive touch screen
++ *
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
++
++ fragment@0 {
++ target = <&spi0>;
++ __overlay__ {
++ status = "okay";
++
++ spidev@0{
++ status = "disabled";
++ };
++
++ spidev@1{
++ status = "disabled";
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ pitft_pins: pitft_pins {
++ brcm,pins = <24 25>;
++ brcm,function = <0 1>; /* in out */
++ brcm,pull = <2 0>; /* pullup none */
++ };
++ };
++ };
++
++ fragment@2 {
++ target = <&spi0>;
++ __overlay__ {
++ /* needed to avoid dtc warning */
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ pitft: pitft@0{
++ compatible = "ilitek,ili9340";
++ reg = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&pitft_pins>;
++
++ spi-max-frequency = <32000000>;
++ rotate = <90>;
++ fps = <25>;
++ bgr;
++ buswidth = <8>;
++ dc-gpios = <&gpio 25 0>;
++ debug = <0>;
++ };
++
++ pitft_ts@1 {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ compatible = "st,stmpe610";
++ reg = <1>;
++
++ spi-max-frequency = <500000>;
++ irq-gpio = <&gpio 24 0x2>; /* IRQF_TRIGGER_FALLING */
++ interrupts = <24 2>; /* high-to-low edge triggered */
++ interrupt-parent = <&gpio>;
++ interrupt-controller;
++
++ stmpe_touchscreen {
++ compatible = "st,stmpe-ts";
++ st,sample-time = <4>;
++ st,mod-12b = <1>;
++ st,ref-sel = <0>;
++ st,adc-freq = <2>;
++ st,ave-ctrl = <3>;
++ st,touch-det-delay = <4>;
++ st,settling = <2>;
++ st,fraction-z = <7>;
++ st,i-drive = <0>;
++ };
++
++ stmpe_gpio: stmpe_gpio {
++ #gpio-cells = <2>;
++ compatible = "st,stmpe-gpio";
++ /*
++ * only GPIO2 is wired/available
++ * and it is wired to the backlight
++ */
++ st,norequest-mask = <0x7b>;
++ };
++ };
++ };
++ };
++
++ fragment@3 {
++ target-path = "/soc";
++ __overlay__ {
++ backlight {
++ compatible = "gpio-backlight";
++ gpios = <&stmpe_gpio 2 0>;
++ default-on;
++ };
++ };
++ };
++
++ __overrides__ {
++ speed = <&pitft>,"spi-max-frequency:0";
++ rotate = <&pitft>,"rotate:0";
++ fps = <&pitft>,"fps:0";
++ debug = <&pitft>,"debug:0";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/pps-gpio-overlay.dts
+@@ -0,0 +1,34 @@
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++ fragment@0 {
++ target-path = "/";
++ __overlay__ {
++ pps: pps {
++ compatible = "pps-gpio";
++ pinctrl-names = "default";
++ pinctrl-0 = <&pps_pins>;
++ gpios = <&gpio 18 0>;
++ status = "okay";
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ pps_pins: pps_pins {
++ brcm,pins = <18>;
++ brcm,function = <0>; // in
++ brcm,pull = <0>; // off
++ };
++ };
++ };
++
++ __overrides__ {
++ gpiopin = <&pps>,"gpios:4",
++ <&pps_pins>,"brcm,pins:0";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/rpi-dac-overlay.dts
+@@ -0,0 +1,34 @@
++// Definitions for RPi DAC
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&sound>;
++ __overlay__ {
++ compatible = "rpi,rpi-dac";
++ i2s-controller = <&i2s>;
++ status = "okay";
++ };
++ };
++
++ fragment@1 {
++ target = <&i2s>;
++ __overlay__ {
++ status = "okay";
++ };
++ };
++
++ fragment@2 {
++ target-path = "/";
++ __overlay__ {
++ pcm1794a-codec {
++ #sound-dai-cells = <0>;
++ compatible = "ti,pcm1794a";
++ status = "okay";
++ };
++ };
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/rpi-display-overlay.dts
+@@ -0,0 +1,82 @@
++/*
++ * Device Tree overlay for rpi-display by Watterott
++ *
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
++
++ fragment@0 {
++ target = <&spi0>;
++ __overlay__ {
++ status = "okay";
++
++ spidev@0{
++ status = "disabled";
++ };
++
++ spidev@1{
++ status = "disabled";
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ rpi_display_pins: rpi_display_pins {
++ brcm,pins = <18 23 24 25>;
++ brcm,function = <1 1 1 0>; /* out out out in */
++ brcm,pull = <0 0 0 2>; /* - - - up */
++ };
++ };
++ };
++
++ fragment@2 {
++ target = <&spi0>;
++ __overlay__ {
++ /* needed to avoid dtc warning */
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ rpidisplay: rpi-display@0{
++ compatible = "ilitek,ili9341";
++ reg = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&rpi_display_pins>;
++
++ spi-max-frequency = <32000000>;
++ rotate = <270>;
++ bgr;
++ fps = <30>;
++ buswidth = <8>;
++ reset-gpios = <&gpio 23 0>;
++ dc-gpios = <&gpio 24 0>;
++ led-gpios = <&gpio 18 1>;
++ debug = <0>;
++ };
++
++ rpidisplay_ts: rpi-display-ts@1 {
++ compatible = "ti,ads7846";
++ reg = <1>;
++
++ spi-max-frequency = <2000000>;
++ interrupts = <25 2>; /* high-to-low edge triggered */
++ interrupt-parent = <&gpio>;
++ pendown-gpio = <&gpio 25 0>;
++ ti,x-plate-ohms = /bits/ 16 <60>;
++ ti,pressure-max = /bits/ 16 <255>;
++ };
++ };
++ };
++ __overrides__ {
++ speed = <&rpidisplay>,"spi-max-frequency:0";
++ rotate = <&rpidisplay>,"rotate:0";
++ fps = <&rpidisplay>,"fps:0";
++ debug = <&rpidisplay>,"debug:0";
++ xohms = <&rpidisplay_ts>,"ti,x-plate-ohms;0";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/rpi-proto-overlay.dts
+@@ -0,0 +1,39 @@
++// Definitions for Rpi-Proto
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&sound>;
++ __overlay__ {
++ compatible = "rpi,rpi-proto";
++ i2s-controller = <&i2s>;
++ status = "okay";
++ };
++ };
++
++ fragment@1 {
++ target = <&i2s>;
++ __overlay__ {
++ status = "okay";
++ };
++ };
++
++ fragment@2 {
++ target = <&i2c1>;
++ __overlay__ {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ status = "okay";
++
++ wm8731@1a {
++ #sound-dai-cells = <0>;
++ compatible = "wlf,wm8731";
++ reg = <0x1a>;
++ status = "okay";
++ };
++ };
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/sdhost-overlay.dts
+@@ -0,0 +1,78 @@
++/dts-v1/;
++/plugin/;
++
++/{
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&soc>;
++ __overlay__ {
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ sdhost: sdhost@7e202000 {
++ compatible = "brcm,bcm2835-sdhost";
++ reg = <0x7e202000 0x100>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&sdhost_pins>;
++ interrupts = <2 24>;
++ clocks = <&clk_sdhost>;
++ dmas = <&dma 13>,
++ <&dma 13>;
++ dma-names = "tx", "rx";
++ brcm,delay-after-stop = <0>;
++ brcm,overclock-50 = <0>;
++ status = "okay";
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&clocks>;
++ __overlay__ {
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ clk_sdhost: sdhost {
++ compatible = "fixed-clock";
++ reg = <0>;
++ #clock-cells = <0>;
++ clock-output-names = "sdhost";
++ clock-frequency = <250000000>;
++ };
++ };
++ };
++
++ fragment@2 {
++ target = <&gpio>;
++ __overlay__ {
++ sdhost_pins: sdhost_pins {
++ brcm,pins = <48 49 50 51 52 53>;
++ brcm,function = <4>; /* alt0 */
++ };
++ };
++ };
++
++ fragment@3 {
++ target = <&mmc>;
++ __overlay__ {
++ /* Find a way to disable the other driver */
++ compatible = "";
++ status = "disabled";
++ };
++ };
++
++ fragment@4 {
++ target-path = "/__overrides__";
++ __overlay__ {
++ sdhost_freq = <&clk_sdhost>,"clock-frequency:0";
++ };
++ };
++
++ __overrides__ {
++ delay_after_stop = <&sdhost>,"brcm,delay-after-stop:0";
++ overclock_50 = <&sdhost>,"brcm,overclock-50:0";
++ force_pio = <&sdhost>,"brcm,force-pio?";
++ sdhost_freq = <&clk_sdhost>,"clock-frequency:0";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/spi-bcm2708-overlay.dts
+@@ -0,0 +1,18 @@
++/*
++ * Device tree overlay for spi-bcm2835
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835", "brcm,bcm2836", "brcm,bcm2708", "brcm,bcm2709";
++ /* setting up compatiblity to allow loading the spi-bcm2835 driver */
++ fragment@0 {
++ target = <&spi0>;
++ __overlay__ {
++ status = "okay";
++ compatible = "brcm,bcm2708-spi";
++ };
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/spi-bcm2835-overlay.dts
+@@ -0,0 +1,18 @@
++/*
++ * Device tree overlay for spi-bcm2835
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835", "brcm,bcm2836", "brcm,bcm2708", "brcm,bcm2709";
++ /* setting up compatiblity to allow loading the spi-bcm2835 driver */
++ fragment@0 {
++ target = <&spi0>;
++ __overlay__ {
++ status = "okay";
++ compatible = "brcm,bcm2835-spi";
++ };
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/tinylcd35-overlay.dts
+@@ -0,0 +1,216 @@
++/*
++ * tinylcd35-overlay.dts
++ *
++ * -------------------------------------------------
++ * www.tinlylcd.com
++ * -------------------------------------------------
++ * Device---Driver-----BUS GPIO's
++ * display tinylcd35 spi0.0 25 24 18
++ * touch ads7846 spi0.1 5
++ * rtc ds1307 i2c1-0068
++ * rtc pcf8563 i2c1-0051
++ * keypad gpio-keys --------- 17 22 27 23 28
++ *
++ *
++ * TinyLCD.com 3.5 inch TFT
++ *
++ * Version 001
++ * 5/3/2015 -- Noralf Trønnes Initial Device tree framework
++ * 10/3/2015 -- tinylcd@gmail.com added ds1307 support.
++ *
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
++
++ fragment@0 {
++ target = <&spi0>;
++ __overlay__ {
++ status = "okay";
++
++ spidev@0{
++ status = "disabled";
++ };
++
++ spidev@1{
++ status = "disabled";
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ tinylcd35_pins: tinylcd35_pins {
++ brcm,pins = <25 24 18>;
++ brcm,function = <1>; /* out */
++ };
++ tinylcd35_ts_pins: tinylcd35_ts_pins {
++ brcm,pins = <5>;
++ brcm,function = <0>; /* in */
++ };
++ keypad_pins: keypad_pins {
++ brcm,pins = <4 17 22 23 27>;
++ brcm,function = <0>; /* in */
++ brcm,pull = <1>; /* down */
++ };
++ };
++ };
++
++ fragment@2 {
++ target = <&spi0>;
++ __overlay__ {
++ /* needed to avoid dtc warning */
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ tinylcd35: tinylcd35@0{
++ compatible = "neosec,tinylcd";
++ reg = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&tinylcd35_pins>,
++ <&tinylcd35_ts_pins>;
++
++ spi-max-frequency = <48000000>;
++ rotate = <270>;
++ fps = <20>;
++ bgr;
++ buswidth = <8>;
++ reset-gpios = <&gpio 25 0>;
++ dc-gpios = <&gpio 24 0>;
++ led-gpios = <&gpio 18 1>;
++ debug = <0>;
++
++ init = <0x10000B0 0x80
++ 0x10000C0 0x0A 0x0A
++ 0x10000C1 0x01 0x01
++ 0x10000C2 0x33
++ 0x10000C5 0x00 0x42 0x80
++ 0x10000B1 0xD0 0x11
++ 0x10000B4 0x02
++ 0x10000B6 0x00 0x22 0x3B
++ 0x10000B7 0x07
++ 0x1000036 0x58
++ 0x10000F0 0x36 0xA5 0xD3
++ 0x10000E5 0x80
++ 0x10000E5 0x01
++ 0x10000B3 0x00
++ 0x10000E5 0x00
++ 0x10000F0 0x36 0xA5 0x53
++ 0x10000E0 0x00 0x35 0x33 0x00 0x00 0x00 0x00 0x35 0x33 0x00 0x00 0x00
++ 0x100003A 0x55
++ 0x1000011
++ 0x2000001
++ 0x1000029>;
++ };
++
++ tinylcd35_ts: tinylcd35_ts@1 {
++ compatible = "ti,ads7846";
++ reg = <1>;
++ status = "disabled";
++
++ spi-max-frequency = <2000000>;
++ interrupts = <5 2>; /* high-to-low edge triggered */
++ interrupt-parent = <&gpio>;
++ pendown-gpio = <&gpio 5 0>;
++ ti,x-plate-ohms = /bits/ 16 <100>;
++ ti,pressure-max = /bits/ 16 <255>;
++ };
++ };
++ };
++
++ /* RTC */
++
++ fragment@3 {
++ target = <&i2c1>;
++ __overlay__ {
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ pcf8563: pcf8563@51 {
++ compatible = "nxp,pcf8563";
++ reg = <0x51>;
++ status = "disabled";
++ };
++ };
++ };
++
++ fragment@4 {
++ target = <&i2c1>;
++ __overlay__ {
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ ds1307: ds1307@68 {
++ compatible = "maxim,ds1307";
++ reg = <0x68>;
++ status = "disabled";
++ };
++ };
++ };
++
++ /*
++ * Values for input event code is found under the
++ * 'Keys and buttons' heading in include/uapi/linux/input.h
++ */
++ fragment@5 {
++ target-path = "/soc";
++ __overlay__ {
++ keypad: keypad {
++ compatible = "gpio-keys";
++ #address-cells = <1>;
++ #size-cells = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&keypad_pins>;
++ status = "disabled";
++ autorepeat;
++
++ button@17 {
++ label = "GPIO KEY_UP";
++ linux,code = <103>;
++ gpios = <&gpio 17 0>;
++ };
++ button@22 {
++ label = "GPIO KEY_DOWN";
++ linux,code = <108>;
++ gpios = <&gpio 22 0>;
++ };
++ button@27 {
++ label = "GPIO KEY_LEFT";
++ linux,code = <105>;
++ gpios = <&gpio 27 0>;
++ };
++ button@23 {
++ label = "GPIO KEY_RIGHT";
++ linux,code = <106>;
++ gpios = <&gpio 23 0>;
++ };
++ button@4 {
++ label = "GPIO KEY_ENTER";
++ linux,code = <28>;
++ gpios = <&gpio 4 0>;
++ };
++ };
++ };
++ };
++
++ __overrides__ {
++ speed = <&tinylcd35>,"spi-max-frequency:0";
++ rotate = <&tinylcd35>,"rotate:0";
++ fps = <&tinylcd35>,"fps:0";
++ debug = <&tinylcd35>,"debug:0";
++ touch = <&tinylcd35_ts>,"status";
++ touchgpio = <&tinylcd35_ts_pins>,"brcm,pins:0",
++ <&tinylcd35_ts>,"interrupts:0",
++ <&tinylcd35_ts>,"pendown-gpio:4";
++ xohms = <&tinylcd35_ts>,"ti,x-plate-ohms;0";
++ rtc-pcf = <&i2c1>,"status",
++ <&pcf8563>,"status";
++ rtc-ds = <&i2c1>,"status",
++ <&ds1307>,"status";
++ keypad = <&keypad>,"status";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/w1-gpio-overlay.dts
+@@ -0,0 +1,39 @@
++// Definitions for w1-gpio module (without external pullup)
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target-path = "/";
++ __overlay__ {
++
++ w1: onewire@0 {
++ compatible = "w1-gpio";
++ pinctrl-names = "default";
++ pinctrl-0 = <&w1_pins>;
++ gpios = <&gpio 4 0>;
++ rpi,parasitic-power = <0>;
++ status = "okay";
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ w1_pins: w1_pins {
++ brcm,pins = <4>;
++ brcm,function = <0>; // in (initially)
++ brcm,pull = <0>; // off
++ };
++ };
++ };
++
++ __overrides__ {
++ gpiopin = <&w1>,"gpios:4",
++ <&w1_pins>,"brcm,pins:0";
++ pullup = <&w1>,"rpi,parasitic-power:0";
++ };
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/w1-gpio-pullup-overlay.dts
+@@ -0,0 +1,41 @@
++// Definitions for w1-gpio module (with external pullup)
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target-path = "/";
++ __overlay__ {
++
++ w1: onewire@0 {
++ compatible = "w1-gpio";
++ pinctrl-names = "default";
++ pinctrl-0 = <&w1_pins>;
++ gpios = <&gpio 4 0>, <&gpio 5 1>;
++ rpi,parasitic-power = <0>;
++ status = "okay";
++ };
++ };
++ };
++
++ fragment@1 {
++ target = <&gpio>;
++ __overlay__ {
++ w1_pins: w1_pins {
++ brcm,pins = <4 5>;
++ brcm,function = <0 1>; // in out
++ brcm,pull = <0 0>; // off off
++ };
++ };
++ };
++
++ __overrides__ {
++ gpiopin = <&w1>,"gpios:4",
++ <&w1_pins>,"brcm,pins:0";
++ extpullup = <&w1>,"gpios:16",
++ <&w1_pins>,"brcm,pins:4";
++ pullup = <&w1>,"rpi,parasitic-power:0";
++ };
++};
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-09 19:51:27 +0000