Commit c757036a authored by Carlos Song's avatar Carlos Song Committed by Shawn Guo
Browse files

arm64: dts: imx943-evk: add i2c io expander support 



Add i2c io expander support for imx943 evk board.

Signed-off-by: default avatarCarlos Song <carlos.song@nxp.com>
Signed-off-by: default avatarShengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: default avatarFrank Li <Frank.Li@nxp.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 1bb57ed1

arch/arm64/boot/dts/freescale/imx943-evk.dts

+105 −0
Original line number Diff line number Diff line
@@ -62,6 +62,13 @@ &lpi2c3 { 
	pinctrl-names = "default";

	status = "okay";



	pca9670_i2c3: gpio@23 {

		compatible = "nxp,pca9670";

		reg = <0x23>;

		#gpio-cells = <2>;

		gpio-controller;

	};



	pca9548_i2c3: i2c-mux@77 {

		compatible = "nxp,pca9548";

		reg = <0x77>;
@@ -102,18 +109,63 @@ i2c@5 { 
			reg = <5>;

			#address-cells = <1>;

			#size-cells = <0>;



			pcal6416_i2c3_u46: gpio@20 {

				compatible = "nxp,pcal6416";

				reg = <0x20>;

				#gpio-cells = <2>;

				gpio-controller;



				sd-card-on-hog {

					gpios = <13 GPIO_ACTIVE_HIGH>;

					gpio-hog;

					output-high;

				};

			};



			pcal6416_i2c3_u171: gpio@21 {

				compatible = "nxp,pcal6416";

				reg = <0x21>;

				#gpio-cells = <2>;

				gpio-controller;

			};

		};



		i2c@6 {

			reg = <6>;

			#address-cells = <1>;

			#size-cells = <0>;



			pcal6416_i2c3_u48: gpio@20 {

				compatible = "nxp,pcal6416";

				reg = <0x20>;

				#interrupt-cells = <2>;

				interrupt-controller;

				interrupt-parent = <&gpio3>;

				interrupts = <13 IRQ_TYPE_LEVEL_LOW>;

				#gpio-cells = <2>;

				gpio-controller;

				pinctrl-0 = <&pinctrl_ioexpander_int>;

				pinctrl-names = "default";

			};

		};



		i2c@7 {

			reg = <7>;

			#address-cells = <1>;

			#size-cells = <0>;



			pcal6408_i2c3_u172: gpio@20 {

				compatible = "nxp,pcal6408";

				reg = <0x20>;

				#interrupt-cells = <2>;

				interrupt-controller;

				interrupt-parent = <&gpio3>;

				/* shared int pin with u48 */

				interrupts = <13 IRQ_TYPE_LEVEL_LOW>;

				#gpio-cells = <2>;

				gpio-controller;

			};

		};

	};

};
@@ -147,18 +199,59 @@ i2c@1 { 
			reg = <1>;

			#address-cells = <1>;

			#size-cells = <0>;



			pcal6416_i2c6_u50: gpio@21 {

				compatible = "nxp,pcal6416";

				reg = <0x21>;

				#gpio-cells = <2>;

				gpio-controller;

			};

		};



		i2c@2 {

			reg = <2>;

			#address-cells = <1>;

			#size-cells = <0>;



			pcal6408_i2c6_u170: gpio@20 {

				compatible = "nxp,pcal6408";

				reg = <0x20>;

				#interrupt-cells = <2>;

				interrupt-controller;

				interrupt-parent = <&gpio4>;

				interrupts = <3 IRQ_TYPE_LEVEL_LOW>;

				#gpio-cells = <2>;

				gpio-controller;

				pinctrl-0 = <&pinctrl_ioexpander_int2>;

				pinctrl-names = "default";

			};

		};



		i2c@3 {

			reg = <3>;

			#address-cells = <1>;

			#size-cells = <0>;



			pcal6416_i2c6_u44: gpio@20 {

				compatible = "nxp,pcal6416";

				reg = <0x20>;

				#gpio-cells = <2>;

				gpio-controller;



				/* eMMC IOMUX selection */

				sd1-sel-hog {

					gpios = <0 GPIO_ACTIVE_HIGH>;

					gpio-hog;

					output-high;

				};



				/* SD card IOMUX selection */

				sd2-sel-hog {

					gpios = <1 GPIO_ACTIVE_HIGH>;

					gpio-hog;

					output-high;

				};

			};

		};

	};

};
@@ -171,6 +264,18 @@ &lpuart1 { 


&scmi_iomuxc {



	pinctrl_ioexpander_int2: ioexpanderint2grp {

		fsl,pins = <

			IMX94_PAD_CCM_CLKO4__GPIO4_IO3		0x31e

		>;

	};



	pinctrl_ioexpander_int: ioexpanderintgrp {

		fsl,pins = <

			IMX94_PAD_GPIO_IO45__GPIO3_IO13		0x31e

		>;

	};



	pinctrl_lpi2c3: lpi2c3grp {

		fsl,pins = <

			IMX94_PAD_GPIO_IO16__LPI2C3_SDA		0x40000b9e