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Message-ID: <CAL9mu0+MVrq3P7URMauhqwKkxoZ-6fxGVvDErfcH+MycAUrBdA@mail.gmail.com>
Date: Thu, 11 Mar 2021 20:32:54 +0800
From: dillon min <dillon.minfei@...il.com>
To: Alexandre TORGUE <alexandre.torgue@...s.st.com>
Cc: Rob Herring <robh+dt@...nel.org>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>,
linux-stm32@...md-mailman.stormreply.com,
Linux ARM <linux-arm-kernel@...ts.infradead.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux@...linux.org.uk, Vladimir Murzin <vladimir.murzin@....com>,
afzal.mohd.ma@...il.com
Subject: Re: [PATCH 7/8] ARM: dts: stm32: add support for art-pi board based
on stm32h750xbh6
Hi Alexandre
On Thu, Mar 11, 2021 at 6:42 PM Alexandre TORGUE
<alexandre.torgue@...s.st.com> wrote:
>
>
>
> On 3/3/21 9:05 AM, dillon.minfei@...il.com wrote:
> > From: dillon min <dillon.minfei@...il.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@...il.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@...04800 {
> > + compatible = "st,stm32h7-uart";
> > + reg = <0x40004800 0x400>;
> > + interrupts = <39>;
> > + status = "disabled";
> > + clocks = <&rcc USART3_CK>;
> > + };
> > +
> > + uart4: serial@...04c00 {
> > + 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,....
>
> > i2c1: i2c@...05400 {
> > compatible = "st,stm32f7-i2c";
> > #address-cells = <1>;
> > @@ -368,6 +384,20 @@
> > max-frequency = <120000000>;
> > };
> >
> > + sdmmc2: mmc@...22400 {
> > + 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@...00000 {
> > 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@...il.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@...00000 {
> > + 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 = <ðernet_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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