Add pinctrl information and a disabled spi5 node within
stm32mp135f-dk.dts in order to use the spi5 bus which is
available via the GPIO expansion pins of the STM32MP135 Discovery board.
Signed-off-by: Alain Volmat <alain.volmat@xxxxxxxxxxx>
---
arch/arm/boot/dts/stm32mp13-pinctrl.dtsi | 23 +++++++++++++++++++++++
arch/arm/boot/dts/stm32mp135f-dk.dts | 7 +++++++
2 files changed, 30 insertions(+)
diff --git a/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi
index 749078ba9d42..efdd163eba30 100644
--- a/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi
@@ -142,6 +142,29 @@ pins {
};
};
+ spi5_pins_a: spi5-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('H', 7, AF6)>, /* SPI5_SCK */
+ <STM32_PINMUX('H', 3, AF5)>; /* SPI5_MOSI */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <1>;
+ };
+
+ pins2 {
+ pinmux = <STM32_PINMUX('A', 8, AF5)>; /* SPI5_MISO */
+ bias-disable;
+ };
+ };
+
+ spi5_sleep_pins_a: spi5-sleep-0 {
+ pins {
+ pinmux = <STM32_PINMUX('H', 7, ANALOG)>, /* SPI5_SCK */
+ <STM32_PINMUX('A', 8, ANALOG)>, /* SPI5_MISO */
+ <STM32_PINMUX('H', 3, ANALOG)>; /* SPI5_MOSI */
+ };
+ };
+
uart4_pins_a: uart4-0 {
pins1 {
pinmux = <STM32_PINMUX('D', 6, AF8)>; /* UART4_TX */
diff --git a/arch/arm/boot/dts/stm32mp135f-dk.dts b/arch/arm/boot/dts/stm32mp135f-dk.dts
index 3e2823332d51..de341d17e87d 100644
--- a/arch/arm/boot/dts/stm32mp135f-dk.dts
+++ b/arch/arm/boot/dts/stm32mp135f-dk.dts
@@ -116,6 +116,13 @@ &sdmmc1 {
status = "okay";
};
+&spi5 {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&spi5_pins_a>;
+ pinctrl-1 = <&spi5_sleep_pins_a>;
+ status = "disabled";
+};
+
&uart4 {
pinctrl-names = "default";
pinctrl-0 = <&uart4_pins_a>;
--
2.25.1
