From 42954857190b9df16d9d873ecc7f6cc38e013e44 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Tue, 9 Jul 2019 20:32:28 +0200 Subject: brcm2708: add linux 4.19 support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709) Signed-off-by: Álvaro Fernández Rojas --- ...dtoverlays-Add-Support-for-the-UDRC-DRAWS.patch | 445 +++++++++++++++++++++ 1 file changed, 445 insertions(+) create mode 100644 target/linux/brcm2708/patches-4.19/950-0421-dtoverlays-Add-Support-for-the-UDRC-DRAWS.patch (limited to 'target/linux/brcm2708/patches-4.19/950-0421-dtoverlays-Add-Support-for-the-UDRC-DRAWS.patch') diff --git a/target/linux/brcm2708/patches-4.19/950-0421-dtoverlays-Add-Support-for-the-UDRC-DRAWS.patch b/target/linux/brcm2708/patches-4.19/950-0421-dtoverlays-Add-Support-for-the-UDRC-DRAWS.patch new file mode 100644 index 0000000000..8da46da0e2 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0421-dtoverlays-Add-Support-for-the-UDRC-DRAWS.patch @@ -0,0 +1,445 @@ +From f1e74b2152a21e848075ea40ba8e8665f8313739 Mon Sep 17 00:00:00 2001 +From: Annaliese McDermond +Date: Sun, 17 Mar 2019 16:48:36 -0700 +Subject: [PATCH 421/703] dtoverlays: Add Support for the UDRC/DRAWS + +Adds a new overlay to support the Northwest Digital Radio +DRAWS and UDRC HATs. See http://nwdigitalradio.com. + +Signed-off-by: Annaliese McDermond +--- + arch/arm/boot/dts/overlays/Makefile | 2 + + arch/arm/boot/dts/overlays/README | 59 ++++++ + arch/arm/boot/dts/overlays/draws-overlay.dts | 200 +++++++++++++++++++ + arch/arm/boot/dts/overlays/udrc-overlay.dts | 128 ++++++++++++ + 4 files changed, 389 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/draws-overlay.dts + create mode 100644 arch/arm/boot/dts/overlays/udrc-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -29,6 +29,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + dionaudio-loco-v2.dtbo \ + dpi18.dtbo \ + dpi24.dtbo \ ++ draws.dtbo \ + dwc-otg.dtbo \ + dwc2.dtbo \ + enc28j60.dtbo \ +@@ -146,6 +147,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + tpm-slb9670.dtbo \ + uart0.dtbo \ + uart1.dtbo \ ++ udrc.dtbo \ + upstream.dtbo \ + upstream-aux-interrupt.dtbo \ + vc4-fkms-v3d.dtbo \ +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -531,6 +531,59 @@ Load: dtoverlay=dpi24 + Params: + + ++Name: draws ++Info: Configures the NW Digital Radio DRAWS Hat ++ ++ The board includes an ADC to measure various board values and also ++ provides two analog user inputs on the expansion header. The ADC ++ can be configured for various sample rates and gain values to adjust ++ the input range. Tables describing the two parameters follow. ++ ++ ADC Gain Values: ++ 0 = +/- 6.144V ++ 1 = +/- 4.096V ++ 2 = +/- 2.048V ++ 3 = +/- 1.024V ++ 4 = +/- 0.512V ++ 5 = +/- 0.256V ++ 6 = +/- 0.256V ++ 7 = +/- 0.256V ++ ++ ADC Datarate Values: ++ 0 = 128sps ++ 1 = 250sps ++ 2 = 490sps ++ 3 = 920sps ++ 4 = 1600sps (default) ++ 5 = 2400sps ++ 6 = 3300sps ++ 7 = 3300sps ++Load: dtoverlay=draws,= ++Params: draws_adc_ch4_gain Sets the full scale resolution of the ADCs ++ input voltage sensor (default 1) ++ ++ draws_adc_ch4_datarate Sets the datarate of the ADCs input voltage ++ sensor ++ ++ draws_adc_ch5_gain Sets the full scale resolution of the ADCs ++ 5V rail voltage sensor (default 1) ++ ++ draws_adc_ch5_datarate Sets the datarate of the ADCs 4V rail voltage ++ sensor ++ ++ draws_adc_ch6_gain Sets the full scale resolution of the ADCs ++ AIN2 input (default 2) ++ ++ draws_adc_ch6_datarate Sets the datarate of the ADCs AIN2 input ++ ++ draws_adc_ch7_gain Sets the full scale resolution of the ADCs ++ AIN3 input (default 2) ++ ++ draws_adc_ch7_datarate Sets the datarate of the ADCs AIN3 input ++ ++ alsaname Name of the ALSA audio device (default "draws") ++ ++ + Name: dwc-otg + Info: Selects the dwc_otg USB controller driver which has fiq support. This + is the default on all except the Pi Zero which defaults to dwc2. +@@ -2117,6 +2170,12 @@ Params: txd1_pin GPIO pin + rxd1_pin GPIO pin for RXD1 (15, 33 or 41 - default 15) + + ++Name: udrc ++Info: Configures the NW Digital Radio UDRC Hat ++Load: dtoverlay=udrc,= ++Params: alsaname Name of the ALSA audio device (default "udrc") ++ ++ + Name: upstream + Info: Allow usage of downstream .dtb with upstream kernel. Comprises + vc4-kms-v3d, dwc2 and upstream-aux-interrupt overlays. +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/draws-overlay.dts +@@ -0,0 +1,200 @@ ++#include ++/* ++ * Device tree overlay for the DRAWS Hardware ++ */ ++ ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2835", "brcm,bcm2836", "brcm,bcm2708", "brcm,bcm2709"; ++ fragment@0 { ++ target = <&i2s>; ++ __overlay__ { ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@1 { ++ target-path = "/"; ++ __overlay__ { ++ regulators { ++ compatible = "simple-bus"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ udrc0_ldoin: udrc0_ldoin { ++ compatible = "regulator-fixed"; ++ regulator-name = "ldoin"; ++ regulator-min-microvolt = <3300000>; ++ regulator-max-microvolt = <3300000>; ++ regulator-always-on; ++ }; ++ }; ++ ++ pps: pps { ++ compatible = "pps-gpio"; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pps_pins>; ++ gpios = <&gpio 7 0>; ++ status = "okay"; ++ }; ++ }; ++ }; ++ ++ fragment@2 { ++ target = <&i2c_arm>; ++ __overlay__ { ++ #address-cells = <1>; ++ #size-cells = <0>; ++ status = "okay"; ++ ++ tlv320aic32x4: tlv320aic32x4@18 { ++ compatible = "ti,tlv320aic32x4"; ++ reg = <0x18>; ++ #sound-dai-cells = <0>; ++ status = "okay"; ++ ++ clocks = <&clocks BCM2835_CLOCK_GP0>; ++ clock-names = "mclk"; ++ assigned-clocks = <&clocks BCM2835_CLOCK_GP0>; ++ assigned-clock-rates = <25000000>; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&gpclk0_pin &aic3204_reset>; ++ ++ reset-gpios = <&gpio 13 0>; ++ ++ iov-supply = <&udrc0_ldoin>; ++ ldoin-supply = <&udrc0_ldoin>; ++ }; ++ ++ sc16is752: sc16is752@50 { ++ compatible = "nxp,sc16is752"; ++ reg = <0x50>; ++ clocks = <&sc16is752_clk>; ++ interrupt-parent = <&gpio>; ++ interrupts = <17 2>; /* IRQ_TYPE_EDGE_FALLING */ ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&sc16is752_irq>; ++ ++ sc16is752_clk: sc16is752_clk { ++ compatible = "fixed-clock"; ++ #clock-cells = <0>; ++ clock-frequency = <1843200>; ++ }; ++ }; ++ ++ tla2024: tla2024@48 { ++ compatible = "ti,ads1015"; ++ reg = <0x48>; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ adc_ch4: channel@4 { ++ reg = <4>; ++ ti,gain = <1>; ++ ti,datarate = <4>; ++ }; ++ ++ adc_ch5: channel@5 { ++ reg = <5>; ++ ti,gain = <1>; ++ ti,datarate = <4>; ++ }; ++ ++ adc_ch6: channel@6 { ++ reg = <6>; ++ ti,gain = <2>; ++ ti,datarate = <4>; ++ }; ++ ++ adc_ch7: channel@7 { ++ reg = <7>; ++ ti,gain = <2>; ++ ti,datarate = <4>; ++ }; ++ }; ++ }; ++ }; ++ ++ fragment@3 { ++ target = <&sound>; ++ snd: __overlay__ { ++ compatible = "simple-audio-card"; ++ i2s-controller = <&i2s>; ++ status = "okay"; ++ ++ simple-audio-card,name = "draws"; ++ simple-audio-card,format = "i2s"; ++ ++ simple-audio-card,bitclock-master = <&dailink0_master>; ++ simple-audio-card,frame-master = <&dailink0_master>; ++ ++ simple-audio-card,widgets = ++ "Line", "Line In", ++ "Line", "Line Out"; ++ ++ simple-audio-card,routing = ++ "IN1_R", "Line In", ++ "IN1_L", "Line In", ++ "CM_L", "Line In", ++ "CM_R", "Line In", ++ "Line Out", "LOR", ++ "Line Out", "LOL"; ++ ++ dailink0_master: simple-audio-card,cpu { ++ sound-dai = <&i2s>; ++ }; ++ ++ simple-audio-card,codec { ++ sound-dai = <&tlv320aic32x4>; ++ }; ++ }; ++ }; ++ ++ fragment@4 { ++ target = <&gpio>; ++ __overlay__ { ++ gpclk0_pin: gpclk0_pin { ++ brcm,pins = <4>; ++ brcm,function = <4>; ++ }; ++ ++ aic3204_reset: aic3204_reset { ++ brcm,pins = <13>; ++ brcm,function = <1>; ++ brcm,pull = <1>; ++ }; ++ ++ aic3204_gpio: aic3204_gpio { ++ brcm,pins = <26>; ++ }; ++ ++ sc16is752_irq: sc16is752_irq { ++ brcm,pins = <17>; ++ brcm,function = <0>; ++ brcm,pull = <2>; ++ }; ++ ++ pps_pins: pps_pins { ++ brcm,pins = <7>; ++ brcm,function = <0>; ++ brcm,pull = <0>; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ draws_adc_ch4_gain = <&adc_ch4>,"ti,gain:0"; ++ draws_adc_ch4_datarate = <&adc_ch4>,"ti,datarate:0"; ++ draws_adc_ch5_gain = <&adc_ch5>,"ti,gain:0"; ++ draws_adc_ch5_datarate = <&adc_ch5>,"ti,datarate:0"; ++ draws_adc_ch6_gain = <&adc_ch6>,"ti,gain:0"; ++ draws_adc_ch6_datarate = <&adc_ch6>,"ti,datarate:0"; ++ draws_adc_ch7_gain = <&adc_ch7>,"ti,gain:0"; ++ draws_adc_ch7_datarate = <&adc_ch7>,"ti,datarate:0"; ++ alsaname = <&snd>, "simple-audio-card,name"; ++ }; ++}; +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/udrc-overlay.dts +@@ -0,0 +1,128 @@ ++#include ++/* ++ * Device tree overlay for the Universal Digital Radio Controller ++ */ ++ ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2835", "brcm,bcm2836", "brcm,bcm2708", "brcm,bcm2709"; ++ fragment@0 { ++ target = <&i2s>; ++ __overlay__ { ++ clocks = <&clocks BCM2835_CLOCK_PCM>; ++ clock-names = "pcm"; ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@1 { ++ target-path = "/"; ++ __overlay__ { ++ regulators { ++ compatible = "simple-bus"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ udrc0_ldoin: udrc0_ldoin { ++ compatible = "regulator-fixed"; ++ regulator-name = "ldoin"; ++ regulator-min-microvolt = <3300000>; ++ regulator-max-microvolt = <3300000>; ++ regulator-always-on; ++ }; ++ }; ++ }; ++ }; ++ ++ fragment@2 { ++ target = <&i2c1>; ++ __overlay__ { ++ #address-cells = <1>; ++ #size-cells = <0>; ++ status = "okay"; ++ clocks = <&clocks BCM2835_CLOCK_VPU>; ++ clock-frequency = <400000>; ++ ++ tlv320aic32x4: tlv320aic32x4@18 { ++ compatible = "ti,tlv320aic32x4"; ++ #sound-dai-cells = <0>; ++ reg = <0x18>; ++ status = "okay"; ++ ++ clocks = <&clocks BCM2835_CLOCK_GP0>; ++ clock-names = "mclk"; ++ assigned-clocks = <&clocks BCM2835_CLOCK_GP0>; ++ assigned-clock-rates = <25000000>; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&gpclk0_pin &aic3204_reset>; ++ ++ reset-gpios = <&gpio 13 0>; ++ ++ iov-supply = <&udrc0_ldoin>; ++ ldoin-supply = <&udrc0_ldoin>; ++ }; ++ }; ++ }; ++ ++ fragment@3 { ++ target = <&sound>; ++ snd: __overlay__ { ++ compatible = "simple-audio-card"; ++ i2s-controller = <&i2s>; ++ status = "okay"; ++ ++ simple-audio-card,name = "udrc"; ++ simple-audio-card,format = "i2s"; ++ ++ simple-audio-card,bitclock-master = <&dailink0_master>; ++ simple-audio-card,frame-master = <&dailink0_master>; ++ ++ simple-audio-card,widgets = ++ "Line", "Line In", ++ "Line", "Line Out"; ++ ++ simple-audio-card,routing = ++ "IN1_R", "Line In", ++ "IN1_L", "Line In", ++ "CM_L", "Line In", ++ "CM_R", "Line In", ++ "Line Out", "LOR", ++ "Line Out", "LOL"; ++ ++ dailink0_master: simple-audio-card,cpu { ++ sound-dai = <&i2s>; ++ }; ++ ++ simple-audio-card,codec { ++ sound-dai = <&tlv320aic32x4>; ++ }; ++ }; ++ }; ++ ++ fragment@4 { ++ target = <&gpio>; ++ __overlay__ { ++ gpclk0_pin: gpclk0_pin { ++ brcm,pins = <4>; ++ brcm,function = <4>; ++ }; ++ ++ aic3204_reset: aic3204_reset { ++ brcm,pins = <13>; ++ brcm,function = <1>; ++ brcm,pull = <1>; ++ }; ++ ++ aic3204_gpio: aic3204_gpio { ++ brcm,pins = <26>; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ alsaname = <&snd>, "simple-audio-card,name"; ++ }; ++}; -- cgit v1.2.3