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-rw-r--r--target/linux/ramips/dts/HLKRM04.dts21
1 files changed, 20 insertions, 1 deletions
diff --git a/target/linux/ramips/dts/HLKRM04.dts b/target/linux/ramips/dts/HLKRM04.dts
index 5f43642c12..713b51f29b 100644
--- a/target/linux/ramips/dts/HLKRM04.dts
+++ b/target/linux/ramips/dts/HLKRM04.dts
@@ -60,7 +60,7 @@
pinctrl {
state_default: pinctrl0 {
gpio {
- ralink,group = "jtag";
+ ralink,group = "i2c", "jtag";
ralink,function = "gpio";
};
};
@@ -82,6 +82,25 @@
status = "okay";
};
+ gpio-export {
+ compatible = "gpio-export";
+ #size-cells = <0>;
+
+ /* I2C */
+ gpio1 {
+ /* I2C_I2C_SD */
+ gpio-export,name = "hlk-rm04:gpio0";
+ gpio-export,direction_may_change = <1>;
+ gpios = <&gpio0 1 0>;
+ };
+ gpio2 {
+ /* I2C_I2C_SCLK */
+ gpio-export,name = "hlk-rm04:gpio1";
+ gpio-export,direction_may_change = <1>;
+ gpios = <&gpio0 2 0>;
+ };
+ };
+
gpio-keys-polled {
compatible = "gpio-keys-polled";
#address-cells = <1>;