diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0438-BCM270X_DT-Create-bcm2708-rpi-zero.dts.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0438-BCM270X_DT-Create-bcm2708-rpi-zero.dts.patch | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0438-BCM270X_DT-Create-bcm2708-rpi-zero.dts.patch b/target/linux/bcm27xx/patches-4.19/950-0438-BCM270X_DT-Create-bcm2708-rpi-zero.dts.patch new file mode 100644 index 0000000000..fa60926439 --- /dev/null +++ b/target/linux/bcm27xx/patches-4.19/950-0438-BCM270X_DT-Create-bcm2708-rpi-zero.dts.patch @@ -0,0 +1,148 @@ +From e819b50b0c384f11f4eaf6e1ea76030c320f4511 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Tue, 28 May 2019 16:23:51 +0100 +Subject: [PATCH] BCM270X_DT: Create bcm2708-rpi-zero.dts + +The Pi Zero deserves a dedicated .dtb file - sharing the b-plus .dtb +has been observed to cause an issue with the MAC address of some +Ethernet dongles. + +See: https://github.com/raspberrypi/linux/issues/2990 + +Signed-off-by: Phil Elwell <phil@raspberrypi.org> +--- + arch/arm/boot/dts/Makefile | 1 + + arch/arm/boot/dts/bcm2708-rpi-zero.dts | 117 +++++++++++++++++++++++++ + 2 files changed, 118 insertions(+) + create mode 100644 arch/arm/boot/dts/bcm2708-rpi-zero.dts + +--- a/arch/arm/boot/dts/Makefile ++++ b/arch/arm/boot/dts/Makefile +@@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \ + bcm2708-rpi-b.dtb \ + bcm2708-rpi-b-plus.dtb \ + bcm2708-rpi-cm.dtb \ ++ bcm2708-rpi-zero.dtb \ + bcm2708-rpi-zero-w.dtb \ + bcm2709-rpi-2-b.dtb \ + bcm2710-rpi-3-b.dtb \ +--- /dev/null ++++ b/arch/arm/boot/dts/bcm2708-rpi-zero.dts +@@ -0,0 +1,117 @@ ++/dts-v1/; ++ ++#include "bcm2708.dtsi" ++#include "bcm283x-rpi-csi1-2lane.dtsi" ++ ++/ { ++ compatible = "raspberrypi,model-zero", "brcm,bcm2835"; ++ model = "Raspberry Pi Zero"; ++ ++ chosen { ++ bootargs = "coherent_pool=1M"; ++ }; ++}; ++ ++&gpio { ++ spi0_pins: spi0_pins { ++ brcm,pins = <9 10 11>; ++ brcm,function = <4>; /* alt0 */ ++ }; ++ ++ spi0_cs_pins: spi0_cs_pins { ++ brcm,pins = <8 7>; ++ brcm,function = <1>; /* output */ ++ }; ++ ++ 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 */ ++ }; ++ ++ audio_pins: audio_pins { ++ brcm,pins = <>; ++ brcm,function = <>; ++ }; ++}; ++ ++&uart0 { ++ status = "okay"; ++}; ++ ++&spi0 { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&spi0_pins &spi0_cs_pins>; ++ cs-gpios = <&gpio 8 1>, <&gpio 7 1>; ++ ++ spidev0: spidev@0{ ++ compatible = "spidev"; ++ reg = <0>; /* CE0 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <125000000>; ++ }; ++ ++ spidev1: spidev@1{ ++ compatible = "spidev"; ++ reg = <1>; /* CE1 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <125000000>; ++ }; ++}; ++ ++&i2c0 { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&i2c0_pins>; ++ clock-frequency = <100000>; ++}; ++ ++&i2c1 { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&i2c1_pins>; ++ clock-frequency = <100000>; ++}; ++ ++&i2c2 { ++ clock-frequency = <100000>; ++}; ++ ++&i2s { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&i2s_pins>; ++}; ++ ++&leds { ++ act_led: act { ++ label = "led0"; ++ linux,default-trigger = "mmc0"; ++ gpios = <&gpio 47 0>; ++ }; ++}; ++ ++&hdmi { ++ hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>; ++}; ++ ++&audio { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&audio_pins>; ++}; ++ ++/ { ++ __overrides__ { ++ act_led_gpio = <&act_led>,"gpios:4"; ++ act_led_activelow = <&act_led>,"gpios:8"; ++ act_led_trigger = <&act_led>,"linux,default-trigger"; ++ }; ++}; |