Commit 0a1732cf authored by Yann Gautier's avatar Yann Gautier Committed by Alexandre Torgue
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ARM: dts: stm32: update slew-rate properties for sdmmc1 on stm32mp157 



Relax sdmmc1 pins slew-rate to minimize peak currents.

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 f9b9aaaa

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

+19 −9
Original line number Diff line number Diff line
@@ -858,14 +858,19 @@ 
			};



			sdmmc1_b4_pins_a: sdmmc1-b4-0 {

				pins {

				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 */

						 <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */

					slew-rate = <3>;

					slew-rate = <1>;

					drive-push-pull;

					bias-disable;

				};

				pins2 {

					pinmux = <STM32_PINMUX('C', 12, AF12)>; /* SDMMC1_CK */

					slew-rate = <2>;

					drive-push-pull;

					bias-disable;

				};
@@ -876,15 +881,20 @@ 
					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>;

						 <STM32_PINMUX('C', 11, AF12)>; /* SDMMC1_D3 */

					slew-rate = <1>;

					drive-push-pull;

					bias-disable;

				};

				pins2 {

					pinmux = <STM32_PINMUX('C', 12, AF12)>; /* SDMMC1_CK */

					slew-rate = <2>;

					drive-push-pull;

					bias-disable;

				};

				pins3 {

					pinmux = <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */

					slew-rate = <3>;

					slew-rate = <1>;

					drive-open-drain;

					bias-disable;

				};
@@ -906,7 +916,7 @@ 
					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>;

					slew-rate = <1>;

					drive-push-pull;

					bias-pull-up;

				};