Messages in this thread Patch in this message | | | From | Ludovic Barre <> | Subject | [PATCH V2 4/5] ARM: dts: stm32: add sdmmc1 support for stm32h743i-eval | Date | Wed, 28 Feb 2018 16:47:23 +0100 |
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From: Ludovic Barre <ludovic.barre@st.com>
This patch adds support of micro sd card connected to sdmmc1.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com> --- arch/arm/boot/dts/stm32h743-pinctrl.dtsi | 26 ++++++++++++++++++++++++++ arch/arm/boot/dts/stm32h743i-eval.dts | 11 +++++++++++ 2 files changed, 37 insertions(+)
diff --git a/arch/arm/boot/dts/stm32h743-pinctrl.dtsi b/arch/arm/boot/dts/stm32h743-pinctrl.dtsi index 65c1cd0..ef17192 100644 --- a/arch/arm/boot/dts/stm32h743-pinctrl.dtsi +++ b/arch/arm/boot/dts/stm32h743-pinctrl.dtsi @@ -164,6 +164,32 @@ bias-disable; }; }; + + 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_dir_pins_a: sdmmc1-dir@0 { + pins { + pinmux = <STM32_PINMUX('C', 6, AF8)>, /* SDMMC1_D0DIR */ + <STM32_PINMUX('C', 7, AF8)>, /* SDMMC1_D123DIR */ + <STM32_PINMUX('B', 9, AF7)>, /* SDMMC1_CDIR */ + <STM32_PINMUX('B', 8, AF7)>; /* SDMMC1_CKIN */ + slew-rate = <3>; + drive-push-pull; + bias-pull-up; + }; + }; }; }; }; diff --git a/arch/arm/boot/dts/stm32h743i-eval.dts b/arch/arm/boot/dts/stm32h743i-eval.dts index c6ceda8..e1dbfaf 100644 --- a/arch/arm/boot/dts/stm32h743i-eval.dts +++ b/arch/arm/boot/dts/stm32h743i-eval.dts @@ -98,6 +98,17 @@ clock-frequency = <25000000>; }; +&sdmmc1 { + pinctrl-names = "default"; + pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>; + broken-cd; + st,dir-output-high; + st,neg-edge; + st,use-ckin; + bus-width = <4>; + status = "okay"; +}; + &usart1 { pinctrl-0 = <&usart1_pins>; pinctrl-names = "default"; -- 2.7.4
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