364196614b
* Enable USB OTG in the Yellow device tree * Enable U-Boot USB mass storage command * Enable UMS mode when blue button is pressed
73 lines
2.0 KiB
Diff
73 lines
2.0 KiB
Diff
From 41127a02d66d07d0a17e904557899b15a067a692 Mon Sep 17 00:00:00 2001
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Message-Id: <41127a02d66d07d0a17e904557899b15a067a692.1658843713.git.stefan@agner.ch>
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In-Reply-To: <2d3d8c091bc692999a1c519c1dc1570cc8be2358.1658843713.git.stefan@agner.ch>
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References: <2d3d8c091bc692999a1c519c1dc1570cc8be2358.1658843713.git.stefan@agner.ch>
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From: Stefan Agner <stefan@agner.ch>
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Date: Tue, 9 Mar 2021 15:02:53 +0100
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Subject: [PATCH 06/11] ARM: dts: bcm2711: yellow: enable GPIO keys
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Signed-off-by: Stefan Agner <stefan@agner.ch>
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---
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.../boot/dts/bcm2711-rpi-cm4-ha-yellow.dts | 31 +++++++++++++++++++
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1 file changed, 31 insertions(+)
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diff --git a/arch/arm/boot/dts/bcm2711-rpi-cm4-ha-yellow.dts b/arch/arm/boot/dts/bcm2711-rpi-cm4-ha-yellow.dts
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index f6f42bf45c92..e2fa42a11cc9 100644
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--- a/arch/arm/boot/dts/bcm2711-rpi-cm4-ha-yellow.dts
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+++ b/arch/arm/boot/dts/bcm2711-rpi-cm4-ha-yellow.dts
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@@ -4,6 +4,8 @@
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#include "bcm2711-rpi.dtsi"
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//#include "bcm283x-rpi-usb-peripheral.dtsi"
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+#include <dt-bindings/input/input.h>
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+
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/ {
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compatible = "raspberrypi,4-compute-module-ha-yellow", "raspberrypi,4-compute-module", "brcm,bcm2711";
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model = "Raspberry Pi Compute Module 4 on Home Assistant Yellow";
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@@ -18,6 +20,29 @@ chosen {
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stdout-path = "serial1:115200n8";
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};
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+ keys: gpio-keys {
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+ compatible = "gpio-keys";
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+
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&gpio_button_pins>;
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+
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+ status = "okay";
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+
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+ power {
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+ label = "Blue Button";
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+ linux,code = <KEY_POWER>;
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+ gpios = <&gpio 26 GPIO_ACTIVE_LOW>;
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+ debounce-interval = <100>; // ms
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+ };
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+
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+ user {
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+ label = "Red Button";
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+ linux,code = <BTN_1>;
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+ gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
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+ debounce-interval = <100>; // ms
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+ };
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+ };
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+
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leds {
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led-act {
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gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
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@@ -380,6 +405,12 @@ spidev1: spidev@1{
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};
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&gpio {
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+ gpio_button_pins: gpio_button_pins {
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+ brcm,pins = <26 27>;
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+ brcm,function = <BCM2835_FSEL_GPIO_IN>;
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+ brcm,pull = <BCM2835_PUD_UP>;
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+ };
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+
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spi0_pins: spi0_pins {
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brcm,pins = <9 10 11>;
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brcm,function = <BCM2835_FSEL_ALT0>;
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--
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2.37.1
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