@@ -67,6 +67,24 @@ battery_power_supply: battery-power {
status = "disabled";
};
+ axp_gpio: gpio {
+ compatible = "x-powers,axp221-gpio";
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ /omit-if-no-ref/
+ gpio0_ldo: gpio0-ldo-pin {
+ pins = "GPIO0";
+ function = "ldo";
+ };
+
+ /omit-if-no-ref/
+ gpio1_ldo: gpio1-ldo-pin {
+ pins = "GPIO1";
+ function = "ldo";
+ };
+ };
+
regulators {
/* Default work frequency for buck regulators */
x-powers,dcdc-freq = <3000>;
@@ -50,4 +50,23 @@ &axp809 {
compatible = "x-powers,axp809";
interrupt-controller;
#interrupt-cells = <1>;
+
+ axp_gpio: gpio {
+ compatible = "x-powers,axp809-gpio",
+ "x-powers,axp221-gpio";
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ /omit-if-no-ref/
+ gpio0_ldo: gpio0-ldo-pin {
+ pins = "GPIO0";
+ function = "ldo";
+ };
+
+ /omit-if-no-ref/
+ gpio1_ldo: gpio1-ldo-pin {
+ pins = "GPIO1";
+ function = "ldo";
+ };
+ };
};
These PMICs all contain a GPIO controller. Now that the binding is documented, wire up the controller in the device tree. Signed-off-by: Samuel Holland <samuel@sholland.org> --- arch/arm/boot/dts/axp22x.dtsi | 18 ++++++++++++++++++ arch/arm/boot/dts/axp809.dtsi | 19 +++++++++++++++++++ 2 files changed, 37 insertions(+)