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Message-ID: <CAL9mu0JmzK57FAM8HgssLHLadMKysh5Dk9p0OnZr=QJY3HtDSw@mail.gmail.com>
Date: Wed, 31 Mar 2021 15:25:27 +0800
From: dillon min <dillon.minfei@...il.com>
To: Alexandre TORGUE <alexandre.torgue@...s.st.com>
Cc: Rob Herring <robh@...nel.org>,
Valentin CARON - foss <valentin.caron@...s.st.com>,
rong.a.chen@...el.com, Ahmad Fatoum <a.fatoum@...gutronix.de>,
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, afzal.mohd.ma@...il.com,
gregkh@...uxfoundation.org,
Erwan LE-RAY - foss <erwan.leray@...s.st.com>,
Erwan LE RAY <erwan.leray@...com>,
linux-serial@...r.kernel.org, lkp@...el.com,
Patrice CHOTARD <patrice.chotard@...s.st.com>
Subject: Re: [PATCH v8 4/6] ARM: dts: stm32: add support for art-pi board
based on stm32h750xbh6
On Wed, Mar 31, 2021 at 3:18 PM Alexandre TORGUE
<alexandre.torgue@...s.st.com> wrote:
>
> Hi Dillon
>
> On 3/31/21 12:43 AM, dillon min wrote:
> > Hi Alexandre,
> >
> > Thanks for the quick response.
> >
> > On Wed, Mar 31, 2021 at 12:50 AM Alexandre TORGUE
> > <alexandre.torgue@...s.st.com> wrote:
> >>
> >>
> >>
> >> On 3/30/21 10:58 AM, dillon.minfei@...il.com wrote:
> >>> From: dillon min <dillon.minfei@...il.com>
> >>>
> >>> This patchset has following changes:
> >>>
> >>> - introduce stm32h750.dtsi to support stm32h750 value line
> >>> - add stm32h750i-art-pi.dtb (arch/arm/boot/dts/Makefile)
> >>> - add stm32h750-art-pi.dts to support art-pi board
> >>>
> >>> art-pi 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>
> >>> ---
> >>> v8:
> >>> - move file stm32h743.dtsi submit position to [PATCH V8 3/6]
> >>>
> >>> arch/arm/boot/dts/Makefile | 1 +
> >>> arch/arm/boot/dts/stm32h750.dtsi | 6 +
> >>> arch/arm/boot/dts/stm32h750i-art-pi.dts | 229 ++++++++++++++++++++++++++++++++
> >>> 3 files changed, 236 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/stm32h750.dtsi b/arch/arm/boot/dts/stm32h750.dtsi
> >>> new file mode 100644
> >>> index 000000000000..41e3b1e3a874
> >>> --- /dev/null
> >>> +++ b/arch/arm/boot/dts/stm32h750.dtsi
> >>> @@ -0,0 +1,6 @@
> >>> +/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
> >>> +/* Copyright (C) STMicroelectronics 2021 - All Rights Reserved */
> >>> +
> >>> +#include "stm32h743.dtsi"
> >>> +
> >>
> >> I know it's a bit odd, but you could directly include stm32h743.dtsi in
> >> your board as there are no SoC differences.
> >
> > There are some mirror difference between stm32h743 and stm32h750:
> >
> > Number of A/D Converters (typ): stm32h743(none), stm32h750(3)
> > Crypto: stm32h743(none), stm32h750(HASH-AES, DES/TDES, HMAC, MD5, SHA)
> >
> > you can find detail diff at link:
> > https://www.st.com/en/microcontrollers-microprocessors/stm32h7-series.html#products
> > (select stm32h743xi, stm32h750xb to compare)
> >
> > I have two options for this changes.
> > - rename stm32h743.dtsi to stm32h7.dtsi, add crypto part to
> > stm32h7.dtsi in the future.
> > - make the reference like this (just like stm32f429 <-- stm32f469,
> > stm32mp151 <-- stm32mp153 <-- stm32mp157 did)
> > stm32h743.dtsi <-- stm32h75x.dtsi (stm32h750, stm32h753, stm32h757
> > all with HW crypto/hash inside)
> > we can add crypto to stm32h75x.dtsi, i will just rename
> > stm32h750.dtsi to stm32h75x.dtsi
> >
> > I'd like to use option-2, which one do you like?
> I think what you did is correct (include stm32h743.dtsi inside
> stm32h750.dtsi). It makes sens if you add crypto and ADC nodes inside
> stm32h743.dtsi
Okay, thanks.
>
> Cheers
> Alex
>
> > thanks.
> > regards.
> >
> >
> >
> > Dillon,
> >>
> >>
> >>> 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..9bb73bb61901
> >>> --- /dev/null
> >>> +++ b/arch/arm/boot/dts/stm32h750i-art-pi.dts
> >>> @@ -0,0 +1,229 @@
> >>> +/*
> >>> + * 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.
> >>> + *
> >>> + * For art-pi board resources, you can refer to link:
> >>> + * https://art-pi.gitee.io/website/
> >>> + */
> >>> +
> >>> +/dts-v1/;
> >>> +#include "stm32h750.dtsi"
> >>> +#include "stm32h7-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>;
> >>> +};
> >>> +
> >>> +&dma1 {
> >>> + status = "okay";
> >>> +};
> >>> +
> >>> +&dma2 {
> >>> + status = "okay";
> >>> +};
> >>> +
> >>> +&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";
> >>> +};
> >>> +
> >>> +&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";
> >>> + };
> >>> +};
> >>> +
> >>> +&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>;
> >>> + };
> >>> + };
> >>> +};
> >>> +
> >>> +&usart2 {
> >>> + pinctrl-0 = <&usart2_pins>;
> >>> + pinctrl-names = "default";
> >>> + status = "disabled";
> >>> +};
> >>> +
> >>> +&usart3 {
> >>> + pinctrl-names = "default";
> >>> + pinctrl-0 = <&usart3_pins>;
> >>> + dmas = <&dmamux1 45 0x400 0x05>,
> >>> + <&dmamux1 46 0x400 0x05>;
> >>> + dma-names = "rx", "tx";
> >>> + st,hw-flow-ctrl;
> >>> + status = "okay";
> >>> +
> >>> + bluetooth {
> >>> + compatible = "brcm,bcm43438-bt";
> >>> + host-wakeup-gpios = <&gpioc 0 GPIO_ACTIVE_HIGH>;
> >>> + device-wakeup-gpios = <&gpioi 10 GPIO_ACTIVE_HIGH>;
> >>> + shutdown-gpios = <&gpioi 11 GPIO_ACTIVE_HIGH>;
> >>> + max-speed = <115200>;
> >>> + };
> >>> +};
> >>> +
> >>> +&uart4 {
> >>> + pinctrl-0 = <&uart4_pins>;
> >>> + pinctrl-names = "default";
> >>> + status = "okay";
> >>> +};
> >>> +
> >>> +
> >>>
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