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arm64: tegra: Add CPU power rail regulator on Smaug 

Add CPU power rail regulator for Smaug board.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Joseph Lo 2019-01-04 11:07:00 +08:00 committed by Thierry Reding
parent a1304d352c
commit f9c8bcc002
1 changed files with 19 additions and 0 deletions
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19
arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
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@ -1340,6 +1340,25 @@ i2c@7000d000 {
status = "okay";
clock-frequency = <1000000>;
max77621_cpu: max77621@1b {
compatible = "maxim,max77621";
reg = <0x1b>;
interrupt-parent = <&gpio>;
interrupts = <TEGRA_GPIO(Y, 1) IRQ_TYPE_LEVEL_LOW>;
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1231250>;
regulator-name = "PPVAR_CPU";
regulator-ramp-delay = <12500>;
maxim,dvs-default-state = <1>;
maxim,enable-active-discharge;
maxim,enable-bias-control;
maxim,enable-etr;
maxim,enable-gpio = <&max77620 5 0>;
maxim,externally-enable;
};
max77620: max77620@3c {
compatible = "maxim,max77620";
reg = <0x3c>;