ARM: dts: stm32: add sdmmc1 support on stm32mp157c ed1 board (379edbe4) · Commits · 戴 / test

arch/arm/boot/dts/stm32mp157-pinctrl.dtsi

+68 −0

Original line number	Diff line number	Diff line
		@@ -325,6 +325,74 @@
		};
		};

		sdmmc1_b4_pins_a: sdmmc1-b4-0 {
		pins {
		pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */
		<STM32_PINMUX('C', 9, AF12)>, /* SDMMC1_D1 */
		<STM32_PINMUX('C', 10, AF12)>, /* SDMMC1_D2 */
		<STM32_PINMUX('C', 11, AF12)>, /* SDMMC1_D3 */
		<STM32_PINMUX('C', 12, AF12)>, /* SDMMC1_CK */
		<STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */
		slew-rate = <3>;
		drive-push-pull;
		bias-disable;
		};
		};

		sdmmc1_b4_od_pins_a: sdmmc1-b4-od-0 {
		pins1 {
		pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */
		<STM32_PINMUX('C', 9, AF12)>, /* SDMMC1_D1 */
		<STM32_PINMUX('C', 10, AF12)>, /* SDMMC1_D2 */
		<STM32_PINMUX('C', 11, AF12)>, /* SDMMC1_D3 */
		<STM32_PINMUX('C', 12, AF12)>; /* SDMMC1_CK */
		slew-rate = <3>;
		drive-push-pull;
		bias-disable;
		};
		pins2{
		pinmux = <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */
		slew-rate = <3>;
		drive-open-drain;
		bias-disable;
		};
		};

		sdmmc1_b4_sleep_pins_a: sdmmc1-b4-sleep-0 {
		pins {
		pinmux = <STM32_PINMUX('C', 8, ANALOG)>, /* SDMMC1_D0 */
		<STM32_PINMUX('C', 9, ANALOG)>, /* SDMMC1_D1 */
		<STM32_PINMUX('C', 10, ANALOG)>, /* SDMMC1_D2 */
		<STM32_PINMUX('C', 11, ANALOG)>, /* SDMMC1_D3 */
		<STM32_PINMUX('C', 12, ANALOG)>, /* SDMMC1_CK */
		<STM32_PINMUX('D', 2, ANALOG)>; /* SDMMC1_CMD */
		};
		};

		sdmmc1_dir_pins_a: sdmmc1-dir-0 {
		pins1 {
		pinmux = <STM32_PINMUX('F', 2, AF11)>, /* SDMMC1_D0DIR */
		<STM32_PINMUX('C', 7, AF8)>, /* SDMMC1_D123DIR */
		<STM32_PINMUX('B', 9, AF11)>; /* SDMMC1_CDIR */
		slew-rate = <3>;
		drive-push-pull;
		bias-pull-up;
		};
		pins2{
		pinmux = <STM32_PINMUX('E', 4, AF8)>; /* SDMMC1_CKIN */
		bias-pull-up;
		};
		};

		sdmmc1_dir_sleep_pins_a: sdmmc1-dir-sleep-0 {
		pins {
		pinmux = <STM32_PINMUX('F', 2, ANALOG)>, /* SDMMC1_D0DIR */
		<STM32_PINMUX('C', 7, ANALOG)>, /* SDMMC1_D123DIR */
		<STM32_PINMUX('B', 9, ANALOG)>, /* SDMMC1_CDIR */
		<STM32_PINMUX('E', 4, ANALOG)>; /* SDMMC1_CKIN */
		};
		};

		uart4_pins_a: uart4-0 {
		pins1 {
		pinmux = <STM32_PINMUX('G', 11, AF6)>; /* UART4_TX */

arch/arm/boot/dts/stm32mp157c-ed1.dts

+37 −0

Original line number	Diff line number	Diff line
		@@ -7,6 +7,7 @@

		#include "stm32mp157c.dtsi"
		#include "stm32mp157-pinctrl.dtsi"
		#include <dt-bindings/gpio/gpio.h>

		/ {
		model = "STMicroelectronics STM32MP157C eval daughter";
		@@ -41,6 +42,14 @@
		regulator-always-on;
		};

		vdd_sd: regulator-vdd_sd {
		compatible = "regulator-fixed";
		regulator-name = "vdd_sd";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
		};

		vdd_usb: vdd-usb {
		compatible = "regulator-fixed";
		regulator-name = "vdd_usb";
		@@ -48,6 +57,19 @@
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
		};

		sd_switch: regulator-sd_switch {
		compatible = "regulator-gpio";
		regulator-name = "sd_switch";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <2900000>;
		regulator-type = "voltage";
		regulator-always-on;

		gpios = <&gpiof 14 GPIO_ACTIVE_HIGH>;
		gpios-states = <0>;
		states = <1800000 0x1 2900000 0x0>;
		};
		};

		&dts {
		@@ -75,6 +97,21 @@
		status = "okay";
		};

		&sdmmc1 {
		pinctrl-names = "default", "opendrain", "sleep";
		pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>;
		pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_a>;
		pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_a>;
		broken-cd;
		st,sig-dir;
		st,neg-edge;
		st,use-ckin;
		bus-width = <4>;
		vmmc-supply = <&vdd_sd>;
		vqmmc-supply = <&sd_switch>;
		status = "okay";
		};

		&timers6 {
		status = "okay";
		/* spare dmas for other usage */

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