These pins are used for DFSDM on STM32MP13x Disco boards expansion
connector.
Pins mapping:
- EXP_GPIO27 DFSDM1_CKOUT
- EXP_GPIO22 DFSDM1_DATIN3
- EXP_GPIO4 DFSDM1_DATIN1 (shared with TIM3_CH4)
Signed-off-by: Olivier Moysan <olivier.moysan@xxxxxxxxxxx>
---
arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi | 39 +++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
index 5e3e627ceb54..50490053f03d 100644
--- a/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
@@ -13,6 +13,45 @@ pins {
};
};
+ dfsdm_clkout_pins_a: dfsdm-clkout-pins-0 {
+ pins {
+ pinmux = <STM32_PINMUX('C', 3, AF3)>; /* DFSDM_CKOUT */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ };
+
+ dfsdm_clkout_sleep_pins_a: dfsdm-clkout-sleep-pins-0 {
+ pins {
+ pinmux = <STM32_PINMUX('C', 3, ANALOG)>; /* DFSDM_CKOUT */
+ };
+ };
+
+ dfsdm_datin1_pins_a: dfsdm-datin1-pins-0 {
+ pins {
+ pinmux = <STM32_PINMUX('B', 1, AF6)>; /* DFSDM_DATIN1 */
+ };
+ };
+
+ dfsdm_datin1_sleep_pins_a: dfsdm-datin1-sleep-pins-0 {
+ pins {
+ pinmux = <STM32_PINMUX('B', 1, ANALOG)>; /* DFSDM_DATIN1 */
+ };
+ };
+
+ dfsdm_datin3_pins_a: dfsdm-datin3-pins-0 {
+ pins {
+ pinmux = <STM32_PINMUX('F', 13, AF6)>; /* DFSDM_DATIN3 */
+ };
+ };
+
+ dfsdm_datin3_sleep_pins_a: dfsdm-datin3-sleep-pins-0 {
+ pins {
+ pinmux = <STM32_PINMUX('F', 13, ANALOG)>; /* DFSDM_DATIN3 */
+ };
+ };
+
i2c1_pins_a: i2c1-0 {
pins {
pinmux = <STM32_PINMUX('D', 12, AF5)>, /* I2C1_SCL */
--
2.25.1
