From 77934269438e1a4a32f1b9a357f39422f58dcf89 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Mon, 23 Nov 2015 16:20:35 +0100 Subject: arm64: tegra: Add PMIC support on Jetson TX1 Add a device tree node for the MAX77620 PMIC found on the p2180 processor module (Jetson TX1). Also add supporting power supplies, such as the main 5 V system supply. Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi | 55 ++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) (limited to 'arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi') diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi index a2480c0c7e72..27bb835d6bcb 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi @@ -1270,6 +1270,61 @@ cd-gpios = <&gpio TEGRA_GPIO(Z, 1) GPIO_ACTIVE_LOW>; }; + regulators { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + vdd_sys_mux: regulator@0 { + compatible = "regulator-fixed"; + reg = <0>; + regulator-name = "VDD_SYS_MUX"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + regulator-boot-on; + }; + + vdd_5v0_sys: regulator@1 { + compatible = "regulator-fixed"; + reg = <1>; + regulator-name = "VDD_5V0_SYS"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + regulator-boot-on; + gpio = <&pmic 1 GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <&vdd_sys_mux>; + }; + + vdd_3v3_sys: regulator@2 { + compatible = "regulator-fixed"; + reg = <2>; + regulator-name = "VDD_3V3_SYS"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + gpio = <&pmic 3 GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <&vdd_sys_mux>; + + regulator-enable-ramp-delay = <160>; + regulator-disable-ramp-delay = <10000>; + }; + + vdd_5v0_io: regulator@3 { + compatible = "regulator-fixed"; + reg = <3>; + regulator-name = "VDD_5V0_IO_SYS"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + regulator-boot-on; + }; + }; + gpio-keys { compatible = "gpio-keys"; label = "gpio-keys"; -- cgit