some minors remark below with this, you can add
Reviewed-by: Patrice Chotard <[email protected]> thanks Patrice On 3/26/21 11:24 AM, [email protected] wrote: > From: dillon min <[email protected]> > > All these files are add for support rt-thread art-pi board > > the detail board information can be found at: > https://art-pi.gitee.io/website/ > > board resources: > - stm32h750xbh6 128k flash, 1024k sram > - 32MiB sdram > - 16MiB spi flash > - 8MiB qspi flash > - onboard wifi, bt, fm > > Add following changes to sync with kernel device tree files: > - add stm32h7-pinctrl.dtsi to include pin defines for all stm32h743/50 boards > - add stm32h7(5/3)0-pinctrl.dtsi > - move gpio(a..k) register defines to stm32h743.dtsi, sync with kernel > - introduce stm32h750i-art-pi-u-boot.dtsi for sdram paramter, fmc pins s/parmeter/parameter > > Signed-off-by: dillon min <[email protected]> > --- [...] > diff --git a/arch/arm/dts/stm32h750-pinctrl.dtsi > b/arch/arm/dts/stm32h750-pinctrl.dtsi > new file mode 100644 > index 0000000..24e9997 > --- /dev/null > +++ b/arch/arm/dts/stm32h750-pinctrl.dtsi > @@ -0,0 +1,11 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) > +/* > + * Copyright (C) STMicroelectronics 2021 - All Rights Reserved > + * Author: Dillon Min <[email protected]> for STMicroelectronics. As you are not member of STMicroelectronics company, remove the "for STMicroelectronics." > + */ > + > +#include "stm32h7-pinctrl.dtsi" > + > +&pinctrl{ > + compatible = "st,stm32h750-pinctrl"; > +}; > diff --git a/arch/arm/dts/stm32h750.dtsi b/arch/arm/dts/stm32h750.dtsi > new file mode 100644 > index 0000000..99533f3 > --- /dev/null > +++ b/arch/arm/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/dts/stm32h750i-art-pi-u-boot.dtsi > b/arch/arm/dts/stm32h750i-art-pi-u-boot.dtsi > new file mode 100644 > index 0000000..326a553 > --- /dev/null > +++ b/arch/arm/dts/stm32h750i-art-pi-u-boot.dtsi > @@ -0,0 +1,81 @@ > +// SPDX-License-Identifier: GPL-2.0+ > + > +#include <stm32h7-u-boot.dtsi> > + > +&fmc { > + /* > + * Memory configuration from sdram datasheet W9825G6KH > + * first bank is bank@0 > + * second bank is bank@1 > + */ > + bank1: bank@0 { > + st,sdram-control = /bits/ 8 <NO_COL_9 > + NO_ROW_13 > + MWIDTH_16 > + BANKS_4 > + CAS_2 > + SDCLK_3 > + RD_BURST_EN > + RD_PIPE_DL_0>; > + st,sdram-timing = /bits/ 8 <TMRD_2 > + TXSR_6 > + TRAS_6 > + TRC_6 > + TRP_2 > + TWR_2 > + TRCD_2>; > + st,sdram-refcount = <677>; > + }; > +}; > + > +&pinctrl { > + fmc_pins: fmc@0 { > + pins { > + pinmux = <STM32_PINMUX('D', 0, AF12)>, > + <STM32_PINMUX('D', 1, AF12)>, > + <STM32_PINMUX('D', 8, AF12)>, > + <STM32_PINMUX('D', 9, AF12)>, > + <STM32_PINMUX('D',10, AF12)>, > + <STM32_PINMUX('D',14, AF12)>, > + <STM32_PINMUX('D',15, AF12)>, > + > + <STM32_PINMUX('E', 0, AF12)>, > + <STM32_PINMUX('E', 1, AF12)>, > + <STM32_PINMUX('E', 7, AF12)>, > + <STM32_PINMUX('E', 8, AF12)>, > + <STM32_PINMUX('E', 9, AF12)>, > + <STM32_PINMUX('E',10, AF12)>, > + <STM32_PINMUX('E',11, AF12)>, > + <STM32_PINMUX('E',12, AF12)>, > + <STM32_PINMUX('E',13, AF12)>, > + <STM32_PINMUX('E',14, AF12)>, > + <STM32_PINMUX('E',15, AF12)>, > + > + <STM32_PINMUX('F', 0, AF12)>, > + <STM32_PINMUX('F', 1, AF12)>, > + <STM32_PINMUX('F', 2, AF12)>, > + <STM32_PINMUX('F', 3, AF12)>, > + <STM32_PINMUX('F', 4, AF12)>, > + <STM32_PINMUX('F', 5, AF12)>, > + <STM32_PINMUX('F',11, AF12)>, > + <STM32_PINMUX('F',12, AF12)>, > + <STM32_PINMUX('F',13, AF12)>, > + <STM32_PINMUX('F',14, AF12)>, > + <STM32_PINMUX('F',15, AF12)>, > + > + <STM32_PINMUX('G', 0, AF12)>, > + <STM32_PINMUX('G', 1, AF12)>, > + <STM32_PINMUX('G', 2, AF12)>, > + <STM32_PINMUX('G', 4, AF12)>, > + <STM32_PINMUX('G', 5, AF12)>, > + <STM32_PINMUX('G', 8, AF12)>, > + <STM32_PINMUX('G',15, AF12)>, > + > + <STM32_PINMUX('H', 5, AF12)>, > + <STM32_PINMUX('C', 2, AF12)>, > + <STM32_PINMUX('C', 3, AF12)>; > + > + slew-rate = <3>; > + }; > + }; > +}; > diff --git a/arch/arm/dts/stm32h750i-art-pi.dts > b/arch/arm/dts/stm32h750i-art-pi.dts > new file mode 100644 > index 0000000..dd81198 > --- /dev/null > +++ b/arch/arm/dts/stm32h750i-art-pi.dts > @@ -0,0 +1,188 @@ > +// SPDX-License-Identifier: GPL-2.0+ OR X11 > +/* > + * Copyright 2021 - Dillon Min <[email protected]> > + * > + */ > + > +/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>; > +}; > + > +&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"; > +}; > diff --git a/include/dt-bindings/memory/stm32-sdram.h > b/include/dt-bindings/memory/stm32-sdram.h > index ab91d2b..90ef2e1 100644 > --- a/include/dt-bindings/memory/stm32-sdram.h > +++ b/include/dt-bindings/memory/stm32-sdram.h > @@ -34,8 +34,10 @@ > #define TXSR_1 (1 - 1) > #define TXSR_6 (6 - 1) > #define TXSR_7 (7 - 1) > +#define TXSR_8 (8 - 1) > #define TRAS_1 (1 - 1) > #define TRAS_4 (4 - 1) > +#define TRAS_6 (6 - 1) > #define TRC_6 (6 - 1) > #define TWR_1 (1 - 1) > #define TWR_2 (2 - 1) >
