From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值
---
kernel/arch/arm/boot/dts/stm32746g-eval.dts | 72 ++++++++++++++++++++++++++++++++++-
1 files changed, 69 insertions(+), 3 deletions(-)
diff --git a/kernel/arch/arm/boot/dts/stm32746g-eval.dts b/kernel/arch/arm/boot/dts/stm32746g-eval.dts
index f99b5df..327613f 100644
--- a/kernel/arch/arm/boot/dts/stm32746g-eval.dts
+++ b/kernel/arch/arm/boot/dts/stm32746g-eval.dts
@@ -44,6 +44,7 @@
#include "stm32f746.dtsi"
#include "stm32f746-pinctrl.dtsi"
#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
/ {
model = "STMicroelectronics STM32746g-EVAL board";
@@ -54,7 +55,8 @@
stdout-path = "serial0:115200n8";
};
- memory {
+ memory@c0000000 {
+ device_type = "memory";
reg = <0xc0000000 0x2000000>;
};
@@ -64,12 +66,18 @@
leds {
compatible = "gpio-leds";
- green {
+ led-green {
gpios = <&gpiof 10 1>;
linux,default-trigger = "heartbeat";
};
- red {
+ led-orange {
+ gpios = <&stmfx_pinctrl 17 1>;
+ };
+ led-red {
gpios = <&gpiob 7 1>;
+ };
+ led-blue {
+ gpios = <&stmfx_pinctrl 19 1>;
};
};
@@ -80,6 +88,42 @@
label = "Wake up";
linux,code = <KEY_WAKEUP>;
gpios = <&gpioc 13 0>;
+ };
+ };
+
+ joystick {
+ compatible = "gpio-keys";
+ pinctrl-0 = <&joystick_pins>;
+ pinctrl-names = "default";
+ button-0 {
+ label = "JoySel";
+ linux,code = <KEY_ENTER>;
+ interrupt-parent = <&stmfx_pinctrl>;
+ interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
+ };
+ button-1 {
+ label = "JoyDown";
+ linux,code = <KEY_DOWN>;
+ interrupt-parent = <&stmfx_pinctrl>;
+ interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
+ };
+ button-2 {
+ label = "JoyLeft";
+ linux,code = <KEY_LEFT>;
+ interrupt-parent = <&stmfx_pinctrl>;
+ interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+ };
+ button-3 {
+ label = "JoyRight";
+ linux,code = <KEY_RIGHT>;
+ interrupt-parent = <&stmfx_pinctrl>;
+ interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+ };
+ button-4 {
+ label = "JoyUp";
+ linux,code = <KEY_UP>;
+ interrupt-parent = <&stmfx_pinctrl>;
+ interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
};
};
@@ -112,6 +156,28 @@
i2c-scl-rising-time-ns = <185>;
i2c-scl-falling-time-ns = <20>;
status = "okay";
+
+ stmfx: stmfx@42 {
+ compatible = "st,stmfx-0300";
+ reg = <0x42>;
+ interrupts = <8 IRQ_TYPE_EDGE_RISING>;
+ interrupt-parent = <&gpioi>;
+
+ stmfx_pinctrl: pinctrl {
+ compatible = "st,stmfx-0300-pinctrl";
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ gpio-ranges = <&stmfx_pinctrl 0 0 24>;
+
+ joystick_pins: joystick {
+ pins = "gpio0", "gpio1", "gpio2", "gpio3", "gpio4";
+ drive-push-pull;
+ bias-pull-up;
+ };
+ };
+ };
};
&rtc {
--
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