Hi Patrice
On 03/01/2018 10:43 AM, patrice.chot...@st.com wrote:
From: Patrice Chotard <patrice.chot...@st.com>
Add sdio pins definition for the 2 sdio instances embeds in stm32f746.
Signed-off-by: Patrice Chotard <patrice.chot...@st.com>
---
arch/arm/boot/dts/stm32f7-pinctrl.dtsi | 62 ++++++++++++++++++++++++++++++++++
1 file changed, 62 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
index f518de184e52..fb40f0835dd4 100644
--- a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
@@ -222,6 +222,68 @@
slew-rate = <2>;
};
};
+
+ sdio_pins: sdio_pins@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 CLK */
+ <STM32_PINMUX('D', 2, AF12)>;
/* SDMMC1 CMD */
+ drive-push-pull;
+ slew-rate = <2>;
+ };
+ };
if you have 2 pins groups, please use '_a' for the first one. You could
have something like:
sdio_pins_a
sdio_od_pins_a
and
sdio_pins_b
sdio_od_pins_b
+ sdio_pins_od: sdio_pins_od@0 {
+ 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 CLK */
+ drive-push-pull;
+ slew-rate = <2>;
+ };
+
+ pins2 {
+ pinmux = <STM32_PINMUX('D', 2, AF12)>;
/* SDMMC1 CMD */
+ drive-open-drain;
+ slew-rate = <2>;
+ };
+ };
+
+ sdio_pins_b: sdio_pins_b@0 {
+ pins {
+ pinmux = <STM32_PINMUX('G', 9, AF11)>,
/* SDMMC2 D0 */
+ <STM32_PINMUX('G', 10, AF11)>,
/* SDMMC2 D1 */
+ <STM32_PINMUX('B', 3, AF10)>,
/* SDMMC2 D2 */
+ <STM32_PINMUX('B', 4, AF10)>,
/* SDMMC2 D3 */
+ <STM32_PINMUX('D', 6, AF11)>,
/* SDMMC2 CLK */
+ <STM32_PINMUX('D', 7, AF11)>;
/* SDMMC2 CMD */
+ drive-push-pull;
+ slew-rate = <2>;
+ };
+ };
+
+ sdio_pins_od_b: sdio_pins_od_b@0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('G', 9, AF11)>,
/* SDMMC2 D0 */
+ <STM32_PINMUX('G', 10, AF11)>,
/* SDMMC2 D1 */
+ <STM32_PINMUX('B', 3, AF10)>,
/* SDMMC2 D2 */
+ <STM32_PINMUX('B', 4, AF10)>,
/* SDMMC2 D3 */
+ <STM32_PINMUX('D', 6, AF11)>;
/* SDMMC2 CLK */
+ drive-push-pull;
+ slew-rate = <2>;
+ };
+
+ pins2 {
+ pinmux = <STM32_PINMUX('D', 7, AF11)>;
/* SDMMC2 CMD */
+ drive-open-drain;
+ slew-rate = <2>;
+ };
+ };
};
};
};
