From: Patrice Chotard patrice.chotard@st.com
STM32F469 SoC uses an arm_pl180_mmci SDIO controller.
Signed-off-by: Andrea Merello andrea.merello@gmail.com Signed-off-by: Alexandre Torgue alexandre.torgue@st.com Signed-off-by: Patrice Chotard patrice.chotard@st.com --- arch/arm/dts/stm32f4-pinctrl.dtsi | 31 +++++++++++++++++++++++++++++++ arch/arm/dts/stm32f429.dtsi | 12 ++++++++++++ arch/arm/dts/stm32f469-disco.dts | 16 ++++++++++++++++ 3 files changed, 59 insertions(+)
diff --git a/arch/arm/dts/stm32f4-pinctrl.dtsi b/arch/arm/dts/stm32f4-pinctrl.dtsi index df59956..736bca7 100644 --- a/arch/arm/dts/stm32f4-pinctrl.dtsi +++ b/arch/arm/dts/stm32f4-pinctrl.dtsi @@ -339,6 +339,37 @@ slew-rate = <3>; }; }; + + sdio_pins: sdio_pins@0 { + pins { + pinmux = <STM32_PINMUX('C', 8, AF12)>, + <STM32_PINMUX('C', 9, AF12)>, + <STM32_PINMUX('C', 10, AF12)>, + <STM32_PINMUX('c', 11, AF12)>, + <STM32_PINMUX('C', 12, AF12)>, + <STM32_PINMUX('D', 2, AF12)>; + drive-push-pull; + slew-rate = <2>; + }; + }; + + sdio_pins_od: sdio_pins_od@0 { + pins1 { + pinmux = <STM32_PINMUX('C', 8, AF12)>, + <STM32_PINMUX('C', 9, AF12)>, + <STM32_PINMUX('C', 10, AF12)>, + <STM32_PINMUX('C', 11, AF12)>, + <STM32_PINMUX('C', 12, AF12)>; + drive-push-pull; + slew-rate = <2>; + }; + + pins2 { + pinmux = <STM32_PINMUX('D', 2, AF12)>; + drive-open-drain; + slew-rate = <2>; + }; + }; }; }; }; diff --git a/arch/arm/dts/stm32f429.dtsi b/arch/arm/dts/stm32f429.dtsi index 23b7946..6bcf986 100644 --- a/arch/arm/dts/stm32f429.dtsi +++ b/arch/arm/dts/stm32f429.dtsi @@ -576,6 +576,18 @@ reg = <0x40007000 0x400>; };
+ sdio: sdio@40012c00 { + compatible = "st,stm32f4xx-sdio"; + reg = <0x40012c00 0x400>; + clocks = <&rcc 0 171>; + interrupts = <49>; + status = "disabled"; + pinctrl-0 = <&sdio_pins>; + pinctrl-1 = <&sdio_pins_od>; + pinctrl-names = "default", "opendrain"; + max-frequency = <48000000>; + }; + ltdc: display-controller@40016800 { compatible = "st,stm32-ltdc"; reg = <0x40016800 0x200>; diff --git a/arch/arm/dts/stm32f469-disco.dts b/arch/arm/dts/stm32f469-disco.dts index 67b19dc..3ecef28 100644 --- a/arch/arm/dts/stm32f469-disco.dts +++ b/arch/arm/dts/stm32f469-disco.dts @@ -61,6 +61,13 @@ serial0 = &usart3; };
+ mmc_vcard: mmc_vcard { + compatible = "regulator-fixed"; + regulator-name = "mmc_vcard"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + soc { dma-ranges = <0xc0000000 0x0 0x10000000>; }; @@ -115,6 +122,15 @@ }; };
+&sdio { + status = "okay"; + vmmc-supply = <&mmc_vcard>; + pinctrl-names = "default", "opendrain"; + pinctrl-0 = <&sdio_pins>; + pinctrl-1 = <&sdio_pins_od>; + bus-width = <4>; +}; + &usart3 { pinctrl-0 = <&usart3_pins_a>; pinctrl-names = "default";