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ARM: dts: stm32: update slew-rate properties for sdmmc1 on stm32mp157

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Relax sdmmc1 pins slew-rate to minimize peak currents.

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
This commit is contained in:
Yann Gautier 2019-11-06 11:09:35 +01:00 committed by Alexandre Torgue
parent f9b9aaaa06
commit 0a1732cf6c
1 changed files with 19 additions and 9 deletions
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28
arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
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@ -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{
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;
};