diff options
| author | Yann Gautier <yann.gautier@st.com> | 2019-11-06 13:09:35 +0300 |
|---|---|---|
| committer | Alexandre Torgue <alexandre.torgue@st.com> | 2019-12-09 11:19:15 +0300 |
| commit | 0a1732cf6cdcd347528ff1e2ac31fa7b51427f06 (patch) | |
| tree | 4e95e6deb260253ab2dd92ab15696f7fee1ccf0e /arch/arm | |
| parent | f9b9aaaa06adfe97985cc9f0abc3f5409e2e2929 (diff) | |
| download | linux-0a1732cf6cdcd347528ff1e2ac31fa7b51427f06.tar.xz | |
ARM: dts: stm32: update slew-rate properties for sdmmc1 on stm32mp157
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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/stm32mp157-pinctrl.dtsi | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi index e3a9e3a2f1a8..e186b8499a2b 100644 --- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi +++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi @@ -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; }; |