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/at91-sama5d27_som1.dtsi | 127 +++++++++++++++++++++++++++++------------
1 files changed, 89 insertions(+), 38 deletions(-)
diff --git a/kernel/arch/arm/boot/dts/at91-sama5d27_som1.dtsi b/kernel/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
index ea02a51..e4824ab 100644
--- a/kernel/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
+++ b/kernel/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
@@ -1,47 +1,10 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* at91-sama5d27_som1.dtsi - Device Tree file for SAMA5D27 SoM1 board
*
* Copyright (c) 2017, Microchip Technology Inc.
* 2017 Cristian Birsan <cristian.birsan@microchip.com>
* 2017 Claudiu Beznea <claudiu.beznea@microchip.com>
- *
- * This file is dual-licensed: you can use it either under the terms
- * of the GPL or the X11 license, at your option. Note that this dual
- * licensing only applies to this file, and not this project as a
- * whole.
- *
- * a) This file is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This file is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Or, alternatively,
- *
- * b) Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
*/
#include "sama5d2.dtsi"
#include "sama5d2-pinfunc.h"
@@ -49,6 +12,10 @@
/ {
model = "Atmel SAMA5D27 SoM1";
compatible = "atmel,sama5d27-som1", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
+
+ aliases {
+ i2c0 = &i2c0;
+ };
clocks {
slow_xtal {
@@ -61,7 +28,57 @@
};
ahb {
+ sdmmc0: sdio-host@a0000000 {
+ microchip,sdcal-inverted;
+ };
+
apb {
+ qspi1: spi@f0024000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_qspi1_default>;
+
+ flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <80000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ m25p,fast-read;
+
+ at91bootstrap@00000000 {
+ label = "at91bootstrap";
+ reg = <0x00000000 0x00040000>;
+ };
+
+ bootloader@00040000 {
+ label = "bootloader";
+ reg = <0x00040000 0x000c0000>;
+ };
+
+ bootloaderenvred@00100000 {
+ label = "bootloader env redundant";
+ reg = <0x00100000 0x00040000>;
+ };
+
+ bootloaderenv@00140000 {
+ label = "bootloader env";
+ reg = <0x00140000 0x00040000>;
+ };
+
+ dtb@00180000 {
+ label = "device tree";
+ reg = <0x00180000 0x00080000>;
+ };
+
+ kernel@00200000 {
+ label = "kernel";
+ reg = <0x00200000 0x00600000>;
+ };
+ };
+ };
+
macb0: ethernet@f8008000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_macb0_default>;
@@ -76,7 +93,41 @@
};
};
+ i2c0: i2c@f8028000 {
+ dmas = <0>, <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c0_default>;
+ status = "okay";
+
+ at24@50 {
+ compatible = "24c02";
+ reg = <0x50>;
+ pagesize = <8>;
+ };
+ };
+
pinctrl@fc038000 {
+ pinctrl_i2c0_default: i2c0_default {
+ pinmux = <PIN_PD21__TWD0>,
+ <PIN_PD22__TWCK0>;
+ bias-disable;
+ };
+
+ pinctrl_qspi1_default: qspi1_default {
+ sck_cs {
+ pinmux = <PIN_PB5__QSPI1_SCK>,
+ <PIN_PB6__QSPI1_CS>;
+ bias-disable;
+ };
+
+ data {
+ pinmux = <PIN_PB7__QSPI1_IO0>,
+ <PIN_PB8__QSPI1_IO1>,
+ <PIN_PB9__QSPI1_IO2>,
+ <PIN_PB10__QSPI1_IO3>;
+ bias-pull-up;
+ };
+ };
pinctrl_macb0_default: macb0_default {
pinmux = <PIN_PD9__GTXCK>,
--
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