
Hi Dillon
On 4/9/21 9:28 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 Reviewed-by: Patrice Chotard patrice.chotard@foss.st.com
v5: 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_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..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)
Applied to u-boot-stm/master
Thanks Patrice