Add i2c bus devicetree description
Signed-off-by: Robert Beckett <bob.beck...@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@70 {
+ compatible = "nxp,pca9547";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x70>;
+ reset-gpios = <&gpio2 18 GPIO_ACTIVE_LOW>;
+
+ i2c4: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ i2c5: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ rtc@30 {
+ compatible = "sii,s35390a";
+ reg = <0x30>;
+ };
+
+ temp@48 {
+ compatible = "ti,tmp112";
+ reg = <0x48>;
+ };
+
+ mma8453q: accelerometer@1c {
+ compatible = "fsl,mma8453";
+ reg = <0x1c>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <6 IRQ_TYPE_NONE>;
+ interrupt-names = "INT1";
+ };
+
+ mpl3115: pressure-sensor@60 {
+ compatible = "fsl,mpl3115";
+ reg = <0x60>;
+ };
+
+ eeprom: eeprom@50 {
+ compatible = "atmel,24c08";
+ reg = <0x50>;
+
+ partitions {
+ compatible = "fixed-partitions";
+
+ vpd {
+ offset = <0>;
+ size = <1022>;
+ };
+
+ bootcount_eeprom: bootcount {
+ offset = <1022>;
+ size = <2>;
+ };
+ };
+ };
+ };
+
+ i2c6: i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ i2c7: i2c@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
+
+ i2c8: i2c@4 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <4>;
+ };
+
+ i2c9: i2c@5 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <5>;
+ };
+
+ i2c10: i2c@6 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <6>;
+ };
+
+ i2c11: i2c@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@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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