[PATCH v2 1/2] arm64: dts: tegra: smaug: add GPU power rail regulator

[Diogo Ivo]

Add the GPU power rail regulator node for the Pixel C.

Signed-off-by: Diogo Ivo <diogo.ivo at tecnico.ulisboa.pt>
---
V1 -> V2: Use generic DT node name and GPIO flag
	  defines (Krzysztof Kozlowski)

 arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
index e55bff859692..929372f24339 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
@@ -1406,6 +1406,23 @@ max77621_cpu: max77621 at 1b {
 			maxim,externally-enable;
 		};
 
+		max77621_gpu: regulator at 1c {
+			compatible = "maxim,max77621";
+			reg = <0x1c>;
+			interrupt-parent = <&gpio>;
+			interrupts = <TEGRA_GPIO(A, 6) IRQ_TYPE_LEVEL_LOW>;
+			regulator-min-microvolt = <840000>;
+			regulator-max-microvolt = <1150000>;
+			regulator-name = "PPVAR_GPU";
+			regulator-ramp-delay = <12500>;
+			maxim,dvs-default-state = <1>;
+			maxim,enable-active-discharge;
+			maxim,enable-bias-control;
+			maxim,disable-etr;
+			maxim,enable-gpio = <&pmic 6 GPIO_ACTIVE_HIGH>;
+			maxim,externally-enable;
+		};
+
 		pmic: pmic at 3c {
 			compatible = "maxim,max77620";
 			reg = <0x3c>;
-- 
2.40.1