Hi Dillon
On 4/2/21 10:42 AM, dillon.minfei@gmail.com wrote:
From: dillon min dillon.minfei@gmail.com
This patchset has following changes:
- introduce stm32h750.dtsi to support stm32h750 value line
- add pin groups for usart3/uart4/spi1/sdmmc2
- add stm32h750i-art-pi.dtb (arch/arm/boot/dts/Makefile)
- add stm32h750i-art-pi.dts to support art-pi board
- add stm32h750i-art-pi-u-boot.dtsi to support art-pi board (u-boot)
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@gmail.com
v4: no changes
arch/arm/dts/Makefile | 3 +- arch/arm/dts/stm32h7-pinctrl.dtsi | 89 ++++++++++++++ arch/arm/dts/stm32h750.dtsi | 5 + arch/arm/dts/stm32h750i-art-pi-u-boot.dtsi | 81 +++++++++++++ arch/arm/dts/stm32h750i-art-pi.dts | 188 +++++++++++++++++++++++++++++ include/dt-bindings/memory/stm32-sdram.h | 2 + 6 files changed, 367 insertions(+), 1 deletion(-) create mode 100644 arch/arm/dts/stm32h750.dtsi create mode 100644 arch/arm/dts/stm32h750i-art-pi-u-boot.dtsi create mode 100644 arch/arm/dts/stm32h750i-art-pi.dts
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index c671082..0f54801 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -454,7 +454,8 @@ dtb-$(CONFIG_STM32F7) += stm32f746-disco.dtb \ stm32f769-disco.dtb \ stm32746g-eval.dtb dtb-$(CONFIG_STM32H7) += stm32h743i-disco.dtb \
- stm32h743i-eval.dtb
- stm32h743i-eval.dtb \
- stm32h750i-art-pi.dtb
dtb-$(CONFIG_MACH_SUN4I) += \ sun4i-a10-a1000.dtb \ diff --git a/arch/arm/dts/stm32h7-pinctrl.dtsi b/arch/arm/dts/stm32h7-pinctrl.dtsi index f6968b5..aefa324 100644 --- a/arch/arm/dts/stm32h7-pinctrl.dtsi +++ b/arch/arm/dts/stm32h7-pinctrl.dtsi @@ -137,6 +137,80 @@ }; };
- sdmmc2_b4_pins_a: sdmmc2-b4-0 {
pins {pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC1_D0 */<STM32_PINMUX('B', 15, AF9)>, /* SDMMC1_D1 */<STM32_PINMUX('B', 3, AF9)>, /* SDMMC1_D2 */<STM32_PINMUX('B', 4, AF9)>, /* SDMMC1_D3 */<STM32_PINMUX('D', 6, AF11)>, /* SDMMC1_CK */<STM32_PINMUX('D', 7, AF11)>; /* SDMMC1_CMD */slew-rate = <3>;drive-push-pull;bias-disable;};- };
- sdmmc2_b4_od_pins_a: sdmmc2-b4-od-0 {
pins1 {pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */<STM32_PINMUX('B', 15, AF9)>, /* SDMMC1_D1 */<STM32_PINMUX('B', 3, AF9)>, /* SDMMC1_D2 */<STM32_PINMUX('B', 4, AF9)>, /* SDMMC1_D3 */<STM32_PINMUX('D', 6, AF11)>; /* SDMMC1_CK */slew-rate = <3>;drive-push-pull;bias-disable;};pins2{pinmux = <STM32_PINMUX('D', 7, AF11)>; /* SDMMC1_CMD */slew-rate = <3>;drive-open-drain;bias-disable;};- };
- sdmmc2_b4_sleep_pins_a: sdmmc2-b4-sleep-0 {
pins {pinmux = <STM32_PINMUX('B', 14, ANALOG)>, /* SDMMC1_D0 */<STM32_PINMUX('B', 15, ANALOG)>, /* SDMMC1_D1 */<STM32_PINMUX('B', 3, ANALOG)>, /* SDMMC1_D2 */<STM32_PINMUX('B', 4, ANALOG)>, /* SDMMC1_D3 */<STM32_PINMUX('D', 6, ANALOG)>, /* SDMMC1_CK */<STM32_PINMUX('D', 7, ANALOG)>; /* SDMMC1_CMD */};- };
- spi1_pins: spi1-0 {
pins1 {pinmux = <STM32_PINMUX('A', 5, AF5)>,/* SPI1_CLK */<STM32_PINMUX('B', 5, AF5)>;/* SPI1_MOSI */bias-disable;drive-push-pull;slew-rate = <2>;};pins2 {pinmux = <STM32_PINMUX('G', 9, AF5)>;/* SPI1_MISO */bias-disable;};- };
- uart4_pins: uart4-0 {
pins1 {pinmux = <STM32_PINMUX('A', 0, AF8)>; /* UART4_TX */bias-disable;drive-push-pull;slew-rate = <0>;};pins2 {pinmux = <STM32_PINMUX('I', 9, AF8)>; /* UART4_RX */bias-disable;};- };
- usart1_pins: usart1-0 { pins1 { pinmux = <STM32_PINMUX('B', 14, AF4)>; /* USART1_TX */
@@ -163,6 +237,21 @@ }; };
- usart3_pins: usart3-0 {
pins1 {pinmux = <STM32_PINMUX('B', 10, AF7)>, /* USART3_TX */<STM32_PINMUX('D', 12, AF7)>; /* USART3_RTS_DE */bias-disable;drive-push-pull;slew-rate = <0>;};pins2 {pinmux = <STM32_PINMUX('B', 11, AF7)>, /* USART3_RX */<STM32_PINMUX('D', 11, AF7)>; /* USART3_CTS_NSS */bias-disable;};- };
- usbotg_hs_pins_a: usbotg-hs-0 { pins { pinmux = <STM32_PINMUX('H', 4, AF10)>, /* ULPI_NXT */
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_9NO_ROW_13MWIDTH_16BANKS_4CAS_2SDCLK_3RD_BURST_ENRD_PIPE_DL_0>;st,sdram-timing = /bits/ 8 <TMRD_2TXSR_6TRAS_6TRC_6TRP_2TWR_2TRCD_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..2a4d1cb --- /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 dillon.minfei@gmail.com
- */
+/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@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)
Reviewed-by: Patrice Chotard patrice.chotard@foss.st.com
Thanks Patrice