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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 3/3/21 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 ?

> 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 :)

> +&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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