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/bcm2835-rpi-zero.dts | 28 ++++++++++++++++++----------
1 files changed, 18 insertions(+), 10 deletions(-)
diff --git a/kernel/arch/arm/boot/dts/bcm2835-rpi-zero.dts b/kernel/arch/arm/boot/dts/bcm2835-rpi-zero.dts
index 7036240..6f9b3a9 100644
--- a/kernel/arch/arm/boot/dts/bcm2835-rpi-zero.dts
+++ b/kernel/arch/arm/boot/dts/bcm2835-rpi-zero.dts
@@ -1,12 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 Stefan Wahren <stefan.wahren@i2se.com>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
*/
/dts-v1/;
@@ -18,8 +12,13 @@
compatible = "raspberrypi,model-zero", "brcm,bcm2835";
model = "Raspberry Pi Zero";
+ memory@0 {
+ device_type = "memory";
+ reg = <0 0x20000000>;
+ };
+
leds {
- act {
+ led-act {
gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
};
};
@@ -34,8 +33,8 @@
* "FOO" = GPIO line named "FOO" on the schematic
* "FOO_N" = GPIO line named "FOO" on schematic, active low
*/
- gpio-line-names = "SDA0",
- "SCL0",
+ gpio-line-names = "ID_SDA",
+ "ID_SCL",
"SDA1",
"SCL1",
"GPIO_GCLK",
@@ -102,6 +101,15 @@
&hdmi {
hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
+ power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
+ status = "okay";
+};
+
+&sdhost {
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdhost_gpio48>;
+ bus-width = <4>;
+ status = "okay";
};
&uart0 {
--
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