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SubjectRe: [PATCH 7/8] ARM: dts: stm32: add support for art-pi board based on stm32h750xbh6
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On 3/11/21 1:32 PM, dillon min wrote:
> Hi Alexandre
>
> On Thu, Mar 11, 2021 at 6:42 PM Alexandre TORGUE
> <alexandre.torgue@foss.st.com> wrote:
>>
>>
>>
>> On 3/3/21 9:05 AM, dillon.minfei@gmail.com wrote:
>>> From: dillon min <dillon.minfei@gmail.com>
>>>
>>> This patchset has following changes:
>>>
>>> - add stm32h750i-art-pi.dtb
>>> - add dts binding usart3 for bt, uart4 for console
>>> - add dts binding sdmmc2 for wifi
>>> - add stm32h750-art-pi.dts to support art-pi board
>>>
>>> board component:
>>> - 8MiB qspi flash
>>> - 16MiB spi flash
>>> - 32MiB sdram
>>> - ap6212 wifi&bt&fm
>>>
>>> the detail board information can be found at:
>>> https://art-pi.gitee.io/website/
>>>
>>> Signed-off-by: dillon min <dillon.minfei@gmail.com>
>>> ---
>>> arch/arm/boot/dts/Makefile | 1 +
>>> arch/arm/boot/dts/stm32h743.dtsi | 30 +++++
>>> arch/arm/boot/dts/stm32h750.dtsi | 5 +
>>> arch/arm/boot/dts/stm32h750i-art-pi.dts | 224 ++++++++++++++++++++++++++++++++
>>> 4 files changed, 260 insertions(+)
>>> create mode 100644 arch/arm/boot/dts/stm32h750.dtsi
>>> create mode 100644 arch/arm/boot/dts/stm32h750i-art-pi.dts
>>>
>>> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
>>> index 8e5d4ab4e75e..a19c5ab9df84 100644
>>> --- a/arch/arm/boot/dts/Makefile
>>> +++ b/arch/arm/boot/dts/Makefile
>>> @@ -1071,6 +1071,7 @@ dtb-$(CONFIG_ARCH_STM32) += \
>>> stm32746g-eval.dtb \
>>> stm32h743i-eval.dtb \
>>> stm32h743i-disco.dtb \
>>> + stm32h750i-art-pi.dtb \
>>> stm32mp153c-dhcom-drc02.dtb \
>>> stm32mp157a-avenger96.dtb \
>>> stm32mp157a-dhcor-avenger96.dtb \
>>> diff --git a/arch/arm/boot/dts/stm32h743.dtsi b/arch/arm/boot/dts/stm32h743.dtsi
>>> index 4ebffb0a45a3..981d44051007 100644
>>> --- a/arch/arm/boot/dts/stm32h743.dtsi
>>> +++ b/arch/arm/boot/dts/stm32h743.dtsi
>>> @@ -135,6 +135,22 @@
>>> clocks = <&rcc USART2_CK>;
>>> };
>>>
>>> + usart3: serial@40004800 {
>>> + compatible = "st,stm32h7-uart";
>>> + reg = <0x40004800 0x400>;
>>> + interrupts = <39>;
>>> + status = "disabled";
>>> + clocks = <&rcc USART3_CK>;
>>> + };
>>> +
>>> + uart4: serial@40004c00 {
>>> + compatible = "st,stm32h7-uart";
>>> + reg = <0x40004c00 0x400>;
>>> + interrupts = <52>;
>>> + status = "disabled";
>>> + clocks = <&rcc UART4_CK>;
>>> + };
>>> +
>>
>> Those peripherals are available on h743 ?
> Yes, available for stm32h743, but might not used by stm32h743i-disco board.
> the difference between stm32h743xi and stm32h750xb:
> flash size: 2048/128,
> ad convter : none/3
> crypto-hash: none/aes,hmac,....

Ok, so perfect.

>
>>
>>> i2c1: i2c@40005400 {
>>> compatible = "st,stm32f7-i2c";
>>> #address-cells = <1>;
>>> @@ -368,6 +384,20 @@
>>> max-frequency = <120000000>;
>>> };
>>>
>>> + sdmmc2: mmc@48022400 {
>>> + compatible = "arm,pl18x", "arm,primecell";
>>> + arm,primecell-periphid = <0x10153180>;
>>> + reg = <0x48022400 0x400>;
>>> + interrupts = <124>;
>>> + interrupt-names = "cmd_irq";
>>> + clocks = <&rcc SDMMC2_CK>;
>>> + clock-names = "apb_pclk";
>>> + resets = <&rcc STM32H7_AHB2_RESET(SDMMC2)>;
>>> + cap-sd-highspeed;
>>> + cap-mmc-highspeed;
>>> + max-frequency = <120000000>;
>>> + };
>>> +
>>> exti: interrupt-controller@58000000 {
>>> compatible = "st,stm32h7-exti";
>>> interrupt-controller;
>>> diff --git a/arch/arm/boot/dts/stm32h750.dtsi b/arch/arm/boot/dts/stm32h750.dtsi
>>> new file mode 100644
>>> index 000000000000..dd9166223c2f
>>> --- /dev/null
>>> +++ b/arch/arm/boot/dts/stm32h750.dtsi
>>> @@ -0,0 +1,5 @@
>>> +/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
>>> +/* Copyright (C) STMicroelectronics 2021 - All Rights Reserved */
>>> +
>>> +#include "stm32h743.dtsi"
>>> +
>>> diff --git a/arch/arm/boot/dts/stm32h750i-art-pi.dts b/arch/arm/boot/dts/stm32h750i-art-pi.dts
>>> new file mode 100644
>>> index 000000000000..84cf70d7800c
>>> --- /dev/null
>>> +++ b/arch/arm/boot/dts/stm32h750i-art-pi.dts
>>> @@ -0,0 +1,224 @@
>>> +/*
>>> + * Copyright 2021 - Dillon Min <dillon.minfei@gmail.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.
>>> + */
>>> +
>>> +/dts-v1/;
>>> +#include "stm32h750.dtsi"
>>> +#include "stm32h750-pinctrl.dtsi"
>>> +#include <dt-bindings/interrupt-controller/irq.h>
>>> +#include <dt-bindings/gpio/gpio.h>
>>> +
>>> +/ {
>>> + model = "RT-Thread STM32H750i-ART-PI board";
>>> + compatible = "st,stm32h750i-art-pi", "st,stm32h750";
>>> +
>>> + chosen {
>>> + bootargs = "root=/dev/ram";
>>> + stdout-path = "serial0:2000000n8";
>>> + };
>>> +
>>> + memory@c0000000 {
>>> + device_type = "memory";
>>> + reg = <0xc0000000 0x2000000>;
>>> + };
>>> +
>>> + reserved-memory {
>>> + #address-cells = <1>;
>>> + #size-cells = <1>;
>>> + ranges;
>>> +
>>> + linux,cma {
>>> + compatible = "shared-dma-pool";
>>> + no-map;
>>> + size = <0x100000>;
>>> + linux,dma-default;
>>> + };
>>> + };
>>> +
>>> + aliases {
>>> + serial0 = &uart4;
>>> + serial1 = &usart3;
>>> + };
>>> +
>>> + leds {
>>> + compatible = "gpio-leds";
>>> + led-red {
>>> + gpios = <&gpioi 8 0>;
>>> + };
>>> + led-green {
>>> + gpios = <&gpioc 15 0>;
>>> + linux,default-trigger = "heartbeat";
>>> + };
>>> + };
>>> +
>>> + v3v3: regulator-v3v3 {
>>> + compatible = "regulator-fixed";
>>> + regulator-name = "v3v3";
>>> + regulator-min-microvolt = <3300000>;
>>> + regulator-max-microvolt = <3300000>;
>>> + regulator-always-on;
>>> + };
>>> +
>>> + wlan_pwr: regulator-wlan {
>>> + compatible = "regulator-fixed";
>>> +
>>> + regulator-name = "wl-reg";
>>> + regulator-min-microvolt = <3300000>;
>>> + regulator-max-microvolt = <3300000>;
>>> +
>>> + gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
>>> + enable-active-high;
>>> + };
>>> +};
>>> +
>>> +&clk_hse {
>>> + clock-frequency = <25000000>;
>>> +};
>>> +
>>> +&mac {
>>> + status = "disabled";
>>> + pinctrl-0 = <&ethernet_rmii>;
>>> + pinctrl-names = "default";
>>> + phy-mode = "rmii";
>>> + phy-handle = <&phy0>;
>>> +
>>> + mdio0 {
>>> + #address-cells = <1>;
>>> + #size-cells = <0>;
>>> + compatible = "snps,dwmac-mdio";
>>> + phy0: ethernet-phy@0 {
>>> + reg = <0>;
>>> + };
>>> + };
>>> +};
>>> +
>>> +&sdmmc1 {
>>> + pinctrl-names = "default", "opendrain", "sleep";
>>> + pinctrl-0 = <&sdmmc1_b4_pins_a>;
>>> + pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
>>> + pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
>>> + broken-cd;
>>> + st,neg-edge;
>>> + bus-width = <4>;
>>> + vmmc-supply = <&v3v3>;
>>> + status = "okay";
>>> +};
>>> +
>>> +&usart2 {
>>> + pinctrl-0 = <&usart2_pins>;
>>> + pinctrl-names = "default";
>>> + status = "disabled";
>>> +};
>>> +
>>> +&uart4 {
>>> + pinctrl-0 = <&uart4_pins>;
>>> + pinctrl-names = "default";
>>> + status = "okay";
>>> +};
>>> +
>>> +&dma1 {
>>> + status = "okay";
>>> +};
>>> +
>>
>> Would be better to order by name, but it is your board :)
> Okay, i will follow stm32f7/f4's order next submit.
>>
>>> +&dma2 {
>>> + status = "okay";
>>> +};
>>> +
>>> +&spi1 {
>>> + status = "okay";
>>> + pinctrl-0 = <&spi1_pins>;
>>> + pinctrl-names = "default";
>>> + cs-gpios = <&gpioa 4 GPIO_ACTIVE_LOW>;
>>> + dmas = <&dmamux1 37 0x400 0x05>,
>>> + <&dmamux1 38 0x400 0x05>;
>>> + dma-names = "rx", "tx";
>>> +
>>> + flash@0 {
>>> + #address-cells = <1>;
>>> + #size-cells = <1>;
>>> + compatible = "winbond,w25q128", "jedec,spi-nor";
>>> + reg = <0>;
>>> + spi-max-frequency = <80000000>;
>>> +
>>> + partition@0 {
>>> + label = "root filesystem";
>>> + reg = <0 0x1000000>;
>>> + };
>>> + };
>>> +};
>>> +
>>> +&sdmmc2 {
>>> + pinctrl-names = "default", "opendrain", "sleep";
>>> + pinctrl-0 = <&sdmmc2_b4_pins_a>;
>>> + pinctrl-1 = <&sdmmc2_b4_od_pins_a>;
>>> + pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>;
>>> + broken-cd;
>>> + non-removable;
>>> + st,neg-edge;
>>> + bus-width = <4>;
>>> + vmmc-supply = <&wlan_pwr>;
>>> + status = "okay";
>>> +
>>> + #address-cells = <1>;
>>> + #size-cells = <0>;
>>> + brcmf: bcrmf@1 {
>>> + reg = <1>;
>>> + compatible = "brcm,bcm4329-fmac";
>>> + };
>>> +};
>>> +
>>> +&usart3 {
>>> + /delete-property/st,hw-flow-ctrl;
>>> + cts-gpios = <&gpiod 11 GPIO_ACTIVE_LOW>;
>>> + rts-gpios = <&gpiod 12 GPIO_ACTIVE_LOW>;
>>> + dmas = <&dmamux1 45 0x400 0x05>,
>>> + <&dmamux1 46 0x400 0x05>;
>>> + dma-names = "rx", "tx";
>>> + status = "okay";
>>> +
>>> + bluetooth {
>>> + host-wakeup-gpios = <&gpioc 0 GPIO_ACTIVE_HIGH>;
>>> + device-wakeup-gpios = <&gpioi 10 GPIO_ACTIVE_HIGH>;
>>> + shutdown-gpios = <&gpioi 11 GPIO_ACTIVE_HIGH>;
>>> + compatible = "brcm,bcm43438-bt";
>>> + max-speed = <115200>;
>>> + };
>>> +};
>>>

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