From: Andrea Merello <andrea.merello@xxxxxxxxx>
This patch adds the pin configuration for SDIO controller on
stm32f4.
Signed-off-by: Andrea Merello <andrea.merello@xxxxxxxxx>
Signed-off-by: Patrice Chotard <patrice.chotard@xxxxxx>
---
v3: _ none
v2: _ none
arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f4-pinctrl.dtsi b/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
index ae94d86..3520289 100644
--- a/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
@@ -338,6 +338,37 @@
slew-rate = <3>;
};
};
+
+ sdio_pins: sdio_pins@0 {
+ pins {
+ pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDIO_D0 */
+ <STM32_PINMUX('C', 9, AF12)>, /* SDIO_D1 */
+ <STM32_PINMUX('C', 10, AF12)>, /* SDIO_D2 */
+ <STM32_PINMUX('C', 11, AF12)>, /* SDIO_D3 */
+ <STM32_PINMUX('C', 12, AF12)>, /* SDIO_CK */
+ <STM32_PINMUX('D', 2, AF12)>; /* SDIO_CMD */
+ drive-push-pull;
+ slew-rate = <2>;
+ };
+ };
+
+ sdio_pins_od: sdio_pins_od@0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDIO_D0 */
+ <STM32_PINMUX('C', 9, AF12)>, /* SDIO_D1 */
+ <STM32_PINMUX('C', 10, AF12)>, /* SDIO_D2 */
+ <STM32_PINMUX('C', 11, AF12)>, /* SDIO_D3 */
+ <STM32_PINMUX('C', 12, AF12)>; /* SDIO_CK */
+ drive-push-pull;
+ slew-rate = <2>;
+ };
+
+ pins2 {
+ pinmux = <STM32_PINMUX('D', 2, AF12)>; /* SDIO_CMD */
+ drive-open-drain;
+ slew-rate = <2>;
+ };
+ };
};
};
};
--
1.9.1
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