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eccac3e120
Add pinctrl and sdmmc nodes to add MMC support for STM32H743 discovery board. Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
142 lines
3.9 KiB
Text
142 lines
3.9 KiB
Text
/*
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* Copyright 2017 - Alexandre Torgue <alexandre.torgue@st.com>
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*
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* This file is dual-licensed: you can use it either under the terms
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* of the GPL or the X11 license, at your option. Note that this dual
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* licensing only applies to this file, and not this project as a
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* whole.
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*
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* a) This file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Or, alternatively,
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*
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* b) Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "skeleton.dtsi"
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#include "armv7-m.dtsi"
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#include <dt-bindings/clock/stm32h7-clks.h>
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#include <dt-bindings/mfd/stm32h7-rcc.h>
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/ {
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clocks {
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clk_hse: clk-hse {
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#clock-cells = <0>;
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compatible = "fixed-clock";
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clock-frequency = <25000000>;
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};
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clk_lse: clk-lse {
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#clock-cells = <0>;
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compatible = "fixed-clock";
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clock-frequency = <32768>;
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};
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clk_i2s: i2s_ckin {
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#clock-cells = <0>;
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compatible = "fixed-clock";
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clock-frequency = <0>;
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};
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};
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soc {
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rcc: rcc@58024400 {
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#clock-cells = <1>;
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#reset-cells = <1>;
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compatible = "st,stm32h743-rcc", "st,stm32-rcc";
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reg = <0x58024400 0x400>;
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clocks = <&clk_hse>, <&clk_lse>, <&clk_i2s>, <&clk_hsi>, <&clk_csi>;
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st,syscfg = <&pwrcfg>;
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};
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usart1: serial@40011000 {
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compatible = "st,stm32h7-uart";
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reg = <0x40011000 0x400>;
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interrupts = <37>;
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status = "disabled";
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clocks = <&rcc USART1_CK>;
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};
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usart2: serial@40004400 {
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compatible = "st,stm32h7-uart";
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reg = <0x40004400 0x400>;
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interrupts = <38>;
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status = "disabled";
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clocks = <&rcc USART2_CK>;
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};
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timer5: timer@40000c00 {
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compatible = "st,stm32-timer";
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reg = <0x40000c00 0x400>;
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interrupts = <50>;
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clocks = <&rcc TIM5_CK>;
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};
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pwrcfg: power-config@58024800 {
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compatible = "syscon";
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reg = <0x58024800 0x400>;
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};
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fmc: fmc@52004000 {
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compatible = "st,stm32h7-fmc";
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reg = <0x52004000 0x1000>;
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clocks = <&rcc FMC_CK>;
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};
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clk_hsi: clk-hsi {
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#clock-cells = <0>;
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compatible = "fixed-clock";
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clock-frequency = <64000000>;
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};
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clk_csi: clk-csi {
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#clock-cells = <0>;
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compatible = "fixed-clock";
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clock-frequency = <4000000>;
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};
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sdmmc1: sdmmc@52007000 {
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compatible = "st,stm32-sdmmc2";
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reg = <0x52007000 0x1000>;
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interrupts = <49>;
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clocks = <&rcc SDMMC1_CK>;
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resets = <&rcc STM32H7_AHB3_RESET(SDMMC1)>;
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st,idma = <1>;
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cap-sd-highspeed;
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cap-mmc-highspeed;
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status = "disabled";
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};
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};
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};
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&systick {
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clock-frequency = <250000000>;
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status = "okay";
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};
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