build/patch/kernel/cubox-default/hb-i2c-spi.patch

65 lines
1.5 KiB
Diff

--- a/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi
@@ -128,6 +128,30 @@
};
};
+&i2c3 {
+ clock-frequency = <100000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_hummingboard_i2c3>;
+ status = "okay";
+};
+
+&ecspi2 {
+ fsl,spi-num-chipselects = <2>;
+ cs-gpios = <&gpio2 26 1>, <&gpio2 27 1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_hummingboard_spi>;
+ status = "okay";
+ spidev@0x00 {
+ compatible = "spidev";
+ spi-max-frequency = <5000000>;
+ reg = <0>;
+ };
+ spidev@0x01 {
+ compatible = "spidev";
+ spi-max-frequency = <5000000>;
+ reg = <1>;
+ };
+};
&audmux {
status = "okay";
};
@@ -195,6 +219,17 @@
>;
};
+ pinctrl_hummingboard_spi: hummingboard_spi {
+ fsl,pins = <
+ MX6QDL_PAD_EIM_OE__ECSPI2_MISO 0x100b1
+ MX6QDL_PAD_EIM_CS1__ECSPI2_MOSI 0x100b1
+ MX6QDL_PAD_EIM_CS0__ECSPI2_SCLK 0x100b1
+ MX6QDL_PAD_EIM_RW__GPIO2_IO26 0x80000000
+ MX6QDL_PAD_EIM_LBA__GPIO2_IO27 0x80000000
+ >;
+ };
+
+
pinctrl_hummingboard_gpio3_5: hummingboard-gpio3_5 {
fsl,pins = <
MX6QDL_PAD_EIM_DA5__GPIO3_IO05 0x80000000
@@ -221,6 +256,13 @@
>;
};
+ pinctrl_hummingboard_i2c3: hummingboard-i2c3 {
+ fsl,pins = <
+ MX6QDL_PAD_EIM_D17__I2C3_SCL 0x4001b8b1
+ MX6QDL_PAD_EIM_D18__I2C3_SDA 0x4001b8b1
+ >;
+ };
+
pinctrl_hummingboard_sgtl5000: hummingboard-sgtl5000 {
fsl,pins = <
MX6QDL_PAD_DISP0_DAT19__AUD5_RXD 0x130b0 /*brk*/