Commit f5a05802 authored by Alain Volmat's avatar Alain Volmat Committed by Alexandre Torgue
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ARM: dts: stm32: enable i2c1 and i2c5 on stm32mp135f-dk.dts 



Enable the two i2c busses i2c1 and i2c5 available on the
stm32mp135f-dk Discovery board.

Signed-off-by: default avatarAlain Volmat <alain.volmat@foss.st.com>
Signed-off-by: default avatarAlexandre Torgue <alexandre.torgue@foss.st.com>
parent 446d5be8

arch/arm/boot/dts/stm32mp13-pinctrl.dtsi

+34 −0
Original line number Diff line number Diff line
@@ -6,6 +6,40 @@ 
#include <dt-bindings/pinctrl/stm32-pinfunc.h>



&pinctrl {

	i2c1_pins_a: i2c1-0 {

		pins {

			pinmux = <STM32_PINMUX('D', 12, AF5)>, /* I2C1_SCL */

				 <STM32_PINMUX('E', 8, AF5)>; /* I2C1_SDA */

			bias-disable;

			drive-open-drain;

			slew-rate = <0>;

		};

	};



	i2c1_sleep_pins_a: i2c1-sleep-0 {

		pins {

			pinmux = <STM32_PINMUX('D', 12, ANALOG)>, /* I2C1_SCL */

				 <STM32_PINMUX('E', 8, ANALOG)>; /* I2C1_SDA */

		};

	};



	i2c5_pins_a: i2c5-0 {

		pins {

			pinmux = <STM32_PINMUX('D', 1, AF4)>, /* I2C5_SCL */

				 <STM32_PINMUX('H', 6, AF4)>; /* I2C5_SDA */

			bias-disable;

			drive-open-drain;

			slew-rate = <0>;

		};

	};



	i2c5_sleep_pins_a: i2c5-sleep-0 {

		pins {

			pinmux = <STM32_PINMUX('D', 1, ANALOG)>, /* I2C5_SCL */

				 <STM32_PINMUX('H', 6, ANALOG)>; /* I2C5_SDA */

		};

	};



	sdmmc1_b4_pins_a: sdmmc1-b4-0 {

		pins {

			pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */

arch/arm/boot/dts/stm32mp135f-dk.dts

+26 −0
Original line number Diff line number Diff line
@@ -68,6 +68,32 @@ vdd_sd: vdd-sd { 
	};

};



&i2c1 {

	pinctrl-names = "default", "sleep";

	pinctrl-0 = <&i2c1_pins_a>;

	pinctrl-1 = <&i2c1_sleep_pins_a>;

	i2c-scl-rising-time-ns = <96>;

	i2c-scl-falling-time-ns = <3>;

	clock-frequency = <1000000>;

	status = "okay";

	/* spare dmas for other usage */

	/delete-property/dmas;

	/delete-property/dma-names;

};



&i2c5 {

	pinctrl-names = "default", "sleep";

	pinctrl-0 = <&i2c5_pins_a>;

	pinctrl-1 = <&i2c5_sleep_pins_a>;

	i2c-scl-rising-time-ns = <170>;

	i2c-scl-falling-time-ns = <5>;

	clock-frequency = <400000>;

	status = "okay";

	/* spare dmas for other usage */

	/delete-property/dmas;

	/delete-property/dma-names;

};



&iwdg2 {

	timeout-sec = <32>;

	status = "okay";