[PATCH 4/4] ARM: dts: axp22x/axp809: Add GPIO controller nodes

[Samuel Holland <samuel@xxxxxxxxxxxx>]

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@xxxxxxxxxxxx>
---

 arch/arm/boot/dts/axp22x.dtsi | 18 ++++++++++++++++++
 arch/arm/boot/dts/axp809.dtsi | 19 +++++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/arch/arm/boot/dts/axp22x.dtsi b/arch/arm/boot/dts/axp22x.dtsi
index a020c12b2884..5c233c84be92 100644
--- a/arch/arm/boot/dts/axp22x.dtsi
+++ b/arch/arm/boot/dts/axp22x.dtsi
@@ -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>;
diff --git a/arch/arm/boot/dts/axp809.dtsi b/arch/arm/boot/dts/axp809.dtsi
index ab8e5f2d9246..da92b105f3b0 100644
--- a/arch/arm/boot/dts/axp809.dtsi
+++ b/arch/arm/boot/dts/axp809.dtsi
@@ -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";
+		};
+	};
 };
-- 
2.35.1