Commit 0382bf82 authored by Yann Gautier's avatar Yann Gautier Committed by Alexandre Torgue
Browse files

ARM: dts: stm32: enable sdmmc2 node for stm32mp157c-ed1 board 



On STM32MP157C-ED1, the eMMC is connected on instance 2 of SDMMC
peripheral. The sdmmc2 node is then added in the board DT file, as well as
the pins nodes in the pinctrl file.

Signed-off-by: default avatarLudovic Barre <ludovic.barre@st.com>
Signed-off-by: default avatarYann Gautier <yann.gautier@st.com>
Signed-off-by: default avatarAlexandre Torgue <alexandre.torgue@st.com>
parent 64e11cb7

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

+118 −0
Original line number Diff line number Diff line
@@ -935,6 +935,124 @@ 
				};

			};



			sdmmc2_b4_pins_a: sdmmc2-b4-0 {

				pins1 {

					pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */

						 <STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */

						 <STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */

						 <STM32_PINMUX('B', 4, AF9)>, /* SDMMC2_D3 */

						 <STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */

					slew-rate = <1>;

					drive-push-pull;

					bias-pull-up;

				};

				pins2 {

					pinmux = <STM32_PINMUX('E', 3, AF9)>; /* SDMMC2_CK */

					slew-rate = <2>;

					drive-push-pull;

					bias-pull-up;

				};

			};



			sdmmc2_b4_od_pins_a: sdmmc2-b4-od-0 {

				pins1 {

					pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */

						 <STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */

						 <STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */

						 <STM32_PINMUX('B', 4, AF9)>; /* SDMMC2_D3 */

					slew-rate = <1>;

					drive-push-pull;

					bias-pull-up;

				};

				pins2 {

					pinmux = <STM32_PINMUX('E', 3, AF9)>; /* SDMMC2_CK */

					slew-rate = <2>;

					drive-push-pull;

					bias-pull-up;

				};

				pins3 {

					pinmux = <STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */

					slew-rate = <1>;

					drive-open-drain;

					bias-pull-up;

				};

			};



			sdmmc2_b4_sleep_pins_a: sdmmc2-b4-sleep-0 {

				pins {

					pinmux = <STM32_PINMUX('B', 14, ANALOG)>, /* SDMMC2_D0 */

						 <STM32_PINMUX('B', 15, ANALOG)>, /* SDMMC2_D1 */

						 <STM32_PINMUX('B', 3, ANALOG)>, /* SDMMC2_D2 */

						 <STM32_PINMUX('B', 4, ANALOG)>, /* SDMMC2_D3 */

						 <STM32_PINMUX('E', 3, ANALOG)>, /* SDMMC2_CK */

						 <STM32_PINMUX('G', 6, ANALOG)>; /* SDMMC2_CMD */

				};

			};



			sdmmc2_b4_pins_b: sdmmc2-b4-1 {

				pins1 {

					pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */

						 <STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */

						 <STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */

						 <STM32_PINMUX('B', 4, AF9)>, /* SDMMC2_D3 */

						 <STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */

					slew-rate = <1>;

					drive-push-pull;

					bias-disable;

				};

				pins2 {

					pinmux = <STM32_PINMUX('E', 3, AF9)>; /* SDMMC2_CK */

					slew-rate = <2>;

					drive-push-pull;

					bias-disable;

				};

			};



			sdmmc2_b4_od_pins_b: sdmmc2-b4-od-1 {

				pins1 {

					pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */

						 <STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */

						 <STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */

						 <STM32_PINMUX('B', 4, AF9)>; /* SDMMC2_D3 */

					slew-rate = <1>;

					drive-push-pull;

					bias-disable;

				};

				pins2 {

					pinmux = <STM32_PINMUX('E', 3, AF9)>; /* SDMMC2_CK */

					slew-rate = <2>;

					drive-push-pull;

					bias-disable;

				};

				pins3 {

					pinmux = <STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */

					slew-rate = <1>;

					drive-open-drain;

					bias-disable;

				};

			};



			sdmmc2_d47_pins_a: sdmmc2-d47-0 {

				pins {

					pinmux = <STM32_PINMUX('A', 8, AF9)>, /* SDMMC2_D4 */

						 <STM32_PINMUX('A', 9, AF10)>, /* SDMMC2_D5 */

						 <STM32_PINMUX('E', 5, AF9)>, /* SDMMC2_D6 */

						 <STM32_PINMUX('D', 3, AF9)>; /* SDMMC2_D7 */

					slew-rate = <1>;

					drive-push-pull;

					bias-pull-up;

				};

			};



			sdmmc2_d47_sleep_pins_a: sdmmc2-d47-sleep-0 {

				pins {

					pinmux = <STM32_PINMUX('A', 8, ANALOG)>, /* SDMMC2_D4 */

						 <STM32_PINMUX('A', 9, ANALOG)>, /* SDMMC2_D5 */

						 <STM32_PINMUX('E', 5, ANALOG)>, /* SDMMC2_D6 */

						 <STM32_PINMUX('D', 3, ANALOG)>; /* SDMMC2_D7 */

				};

			};



			spdifrx_pins_a: spdifrx-0 {

				pins {

					pinmux = <STM32_PINMUX('G', 12, AF8)>; /* SPDIF_IN1 */

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

+16 −0
Original line number Diff line number Diff line
@@ -305,6 +305,22 @@ 
	status = "okay";

};



&sdmmc2 {

	pinctrl-names = "default", "opendrain", "sleep";

	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_a>;

	pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_a>;

	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_a>;

	non-removable;

	no-sd;

	no-sdio;

	st,neg-edge;

	bus-width = <8>;

	vmmc-supply = <&v3v3>;

	vqmmc-supply = <&v3v3>;

	mmc-ddr-3_3v;

	status = "okay";

};



&timers6 {

	status = "okay";

	/* spare dmas for other usage */