[U-Boot] [PATCH 10/37] board: ge: mx53ppd: Add i2c bus descritpion

Robert Beckett bob.beckett at collabora.com
Tue Oct 15 15:53:23 UTC 2019


Add i2c bus devicetree description

Signed-off-by: Robert Beckett <bob.beckett at collabora.com>
---
 arch/arm/dts/imx53-ppd.dts | 176 +++++++++++++++++++++++++++++++++++++
 1 file changed, 176 insertions(+)

diff --git a/arch/arm/dts/imx53-ppd.dts b/arch/arm/dts/imx53-ppd.dts
index 909a76731b..84b20cdc55 100644
--- a/arch/arm/dts/imx53-ppd.dts
+++ b/arch/arm/dts/imx53-ppd.dts
@@ -35,6 +35,48 @@
 			MX53_PAD_PATA_IORDY__ESDHC3_CLK         0x1d5
 		>;
 	};
+
+	pinctrl_i2c1: i2c1grp {
+		fsl,pins = <
+			MX53_PAD_EIM_D21__I2C1_SCL		0x400001e4
+			MX53_PAD_EIM_D28__I2C1_SDA		0x400001e4
+		>;
+	};
+
+	pinctrl_i2c1_gpio: i2c1gpiogrp {
+		fsl,pins = <
+			MX53_PAD_EIM_D28__GPIO3_28		0x1e4
+			MX53_PAD_EIM_D21__GPIO3_21		0x1e4
+		>;
+	};
+
+	pinctrl_i2c2: i2c2grp {
+		fsl,pins = <
+			MX53_PAD_EIM_EB2__I2C2_SCL		0x400001e4
+			MX53_PAD_EIM_D16__I2C2_SDA		0x400001e4
+		>;
+	};
+
+	pinctrl_i2c2_gpio: i2c2gpiogrp {
+		fsl,pins = <
+			MX53_PAD_EIM_D16__GPIO3_16		0x1e4
+			MX53_PAD_EIM_EB2__GPIO2_30		0x1e4
+		>;
+	};
+
+	pinctrl_i2c3: i2c3grp {
+		fsl,pins = <
+			MX53_PAD_EIM_D17__I2C3_SCL		0x400001e4
+			MX53_PAD_EIM_D18__I2C3_SDA		0x400001e4
+		>;
+	};
+
+	pinctrl_i2c3_gpio: i2c3gpiogrp {
+		fsl,pins = <
+			MX53_PAD_EIM_D18__GPIO3_18		0x1e4
+			MX53_PAD_EIM_D17__GPIO3_17		0x1e4
+		>;
+	};
 };
 
 /* eMMC */
@@ -46,3 +88,137 @@
 	non-removable;
 	status = "okay";
 };
+
+/* I2C */
+&i2c1 {
+	pinctrl-names = "default", "gpio";
+	pinctrl-0 = <&pinctrl_i2c1>;
+	pinctrl-1 = <&pinctrl_i2c1_gpio>;
+	sda-gpios = <&gpio3 28 GPIO_ACTIVE_HIGH>;
+	scl-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+
+	i2c-switch at 70 {
+		compatible = "nxp,pca9547";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x70>;
+		reset-gpios = <&gpio2 18 GPIO_ACTIVE_LOW>;
+
+		i2c4: i2c at 0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+		};
+
+		i2c5: i2c at 1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+
+			rtc at 30 {
+			       compatible = "sii,s35390a";
+			       reg = <0x30>;
+			};
+
+			temp at 48 {
+				compatible = "ti,tmp112";
+				reg = <0x48>;
+			};
+
+			mma8453q: accelerometer at 1c {
+				compatible = "fsl,mma8453";
+				reg = <0x1c>;
+				interrupt-parent = <&gpio1>;
+				interrupts = <6 IRQ_TYPE_NONE>;
+				interrupt-names = "INT1";
+			};
+
+			mpl3115: pressure-sensor at 60 {
+				compatible = "fsl,mpl3115";
+				reg = <0x60>;
+			};
+
+			eeprom: eeprom at 50 {
+				compatible = "atmel,24c08";
+				reg = <0x50>;
+
+				partitions {
+					compatible = "fixed-partitions";
+
+					vpd {
+						offset = <0>;
+						size = <1022>;
+					};
+
+					bootcount_eeprom: bootcount {
+						offset = <1022>;
+						size = <2>;
+					};
+				};
+			};
+		};
+
+		i2c6: i2c at 2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+		};
+
+		i2c7: i2c at 3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+		};
+
+		i2c8: i2c at 4 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <4>;
+		};
+
+		i2c9: i2c at 5 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <5>;
+		};
+
+		i2c10: i2c at 6 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <6>;
+		};
+
+		i2c11: i2c at 7 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <7>;
+		};
+	};
+};
+
+&i2c2 {
+	pinctrl-names = "default", "gpio";
+	pinctrl-0 = <&pinctrl_i2c2>;
+	pinctrl-1 = <&pinctrl_i2c2_gpio>;
+	sda-gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
+	scl-gpios = <&gpio2 30 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+
+	touchscreen at 4b {
+		compatible = "atmel,maxtouch";
+		reset-gpio = <&gpio5 19 GPIO_ACTIVE_HIGH>;
+		reg = <0x4b>;
+		interrupt-parent = <&gpio5>;
+		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
+&i2c3 {
+	pinctrl-names = "default", "gpio";
+	pinctrl-0 = <&pinctrl_i2c3>;
+	pinctrl-1 = <&pinctrl_i2c3_gpio>;
+	sda-gpios = <&gpio3 18 GPIO_ACTIVE_HIGH>;
+	scl-gpios = <&gpio3 17 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+};
-- 
2.20.1



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