[PATCH 1/5] ARM: dts: stm32: Add alternate pinmux for i2s pins

From: Sean Nyekjaer
Date: Tue Jun 20 2023 - 07:42:09 EST


Add another mux option for i2s pins, this is used on Octavo OSD32MP1-RED board.

Signed-off-by: Sean Nyekjaer <sean@xxxxxxxxxx>
Reviewed-by: Olivier Moysan <olivier.moysan@xxxxxxxxxxx>
---
arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
index e86d989dd351..d79f89f37bc7 100644
--- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
@@ -686,6 +686,25 @@ pins {
};
};

+ i2s2_pins_b: i2s2-1 {
+ pins {
+ pinmux = <STM32_PINMUX('C', 3, AF5)>, /* I2S2_SDO */
+ <STM32_PINMUX('B', 12, AF5)>, /* I2S2_WS */
+ <STM32_PINMUX('B', 13, AF5)>; /* I2S2_CK */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <1>;
+ };
+ };
+
+ i2s2_sleep_pins_b: i2s2-sleep-1 {
+ pins {
+ pinmux = <STM32_PINMUX('C', 3, ANALOG)>, /* I2S2_SDO */
+ <STM32_PINMUX('B', 12, ANALOG)>, /* I2S2_WS */
+ <STM32_PINMUX('B', 13, ANALOG)>; /* I2S2_CK */
+ };
+ };
+
ltdc_pins_a: ltdc-0 {
pins {
pinmux = <STM32_PINMUX('G', 7, AF14)>, /* LCD_CLK */
--
2.40.0