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[1/2] ARM: dts: stm32: add pins muxing for sai1 on stm32mp13

Message ID 20230919163009.203752-2-olivier.moysan@foss.st.com
State New
Headers show
Series ARM: dts: stm32: add dfsdm & sai pin muxings on stm32mp13 | expand

Commit Message

Olivier Moysan Sept. 19, 2023, 4:30 p.m. UTC 
These pins are used for SAI1 on STM32MP13 Disco boards expansion
connector.
Pins mapping:
- EXP_GPIO18	SAI1_SCKA (PA4)
- EXP_GPIO19	SAI1_FSA  (PF11)
- EXP_GPIO20	SAI1_SDA  (PA5)
- EXP_GPIO21	SAI1_SDB  (PA0)

Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
---
 arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
index 27e0c3826789..5e3e627ceb54 100644
--- a/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
@@ -114,6 +114,27 @@  pins {
 		};
 	};
 
+	sai1a_pins_a: sai1a-0 {
+		pins {
+			pinmux = <STM32_PINMUX('A', 4, AF12)>, /* SAI1_SCK_A */
+				 <STM32_PINMUX('A', 0, AF6)>, /* SAI1_SD_B */
+				 <STM32_PINMUX('A', 5, AF6)>, /* SAI1_SD_A */
+				 <STM32_PINMUX('F', 11, AF6)>; /* SAI1_FS_A */
+			slew-rate = <0>;
+			drive-push-pull;
+			bias-disable;
+		};
+	};
+
+	sai1a_sleep_pins_a: sai1a-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('A', 4, ANALOG)>, /* SAI1_SCK_A */
+				 <STM32_PINMUX('A', 0, ANALOG)>, /* SAI1_SD_B */
+				 <STM32_PINMUX('A', 5, ANALOG)>, /* SAI1_SD_A */
+				 <STM32_PINMUX('F', 11, ANALOG)>; /* SAI1_FS_A */
+		};
+	};
+
 	sdmmc1_b4_pins_a: sdmmc1-b4-0 {
 		pins {
 			pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */