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Diffstat (limited to 'arch/arm64/boot/dts/nvidia/tegra210-smaug.dts')
-rw-r--r--arch/arm64/boot/dts/nvidia/tegra210-smaug.dts23
1 files changed, 22 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
index d7d7c63e62e2..5a1ce432c1fb 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
@@ -36,6 +36,11 @@
};
};
+ gpu@57000000 {
+ vdd-supply = <&max77621_gpu>;
+ status = "okay";
+ };
+
pinmux: pinmux@700008d4 {
pinctrl-names = "boot";
pinctrl-0 = <&state_boot>;
@@ -1370,11 +1375,27 @@
maxim,dvs-default-state = <1>;
maxim,enable-active-discharge;
maxim,enable-bias-control;
- maxim,enable-etr;
maxim,enable-gpio = <&pmic 5 0>;
maxim,externally-enable;
};
+ max77621_gpu: regulator@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@3c {
compatible = "maxim,max77620";
reg = <0x3c>;