This patch adds first I2C bus and PCA9536 device.
This device is used on Phytec PCM-970 RDK camera addon module.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
cs-gpios = <&gpio4 28 0>, <&gpio4 27 0>;
};
+&i2c1 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c1>;
+ status = "okay";
+
+ camgpio: pca9536@41 {
+ compatible = "nxp,pca9536";
+ reg = <0x41>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+};
+
&iomuxc {
imx27_phycore_rdk {
+ pinctrl_i2c1: i2c1grp {
+ /* Add pullup to DATA line */
+ fsl,pins = <
+ MX27_PAD_I2C_DATA__I2C_DATA 0x1
+ MX27_PAD_I2C_CLK__I2C_CLK 0x0
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX27_PAD_UART1_TXD__UART1_TXD 0x0