From 02df3f03a8db3e64348b8fce3d8ce2449ada3fa6 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Thu, 23 Feb 2017 18:30:48 +0100 Subject: [PATCH] arm64: tegra: Add initial power tree for P3310 Enable the Maxim MAX77620 PMIC found on P3310 and add some fixed regulators to model the power tree. Acked-by: Jon Hunter Signed-off-by: Thierry Reding --- .../arm64/boot/dts/nvidia/tegra186-p3310.dtsi | 220 ++++++++++++++++++ 1 file changed, 220 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi index ffbb4be5122e..9eba6daac1a4 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi @@ -1,5 +1,7 @@ #include "tegra186.dtsi" +#include + / { model = "NVIDIA Tegra186 P3310 Processor Module"; compatible = "nvidia,p3310", "nvidia,tegra186"; @@ -115,6 +117,189 @@ bpmp { i2c { status = "okay"; + + pmic: pmic@3c { + compatible = "maxim,max77620"; + reg = <0x3c>; + + interrupts = ; + #interrupt-cells = <2>; + interrupt-controller; + + #gpio-cells = <2>; + gpio-controller; + + pinctrl-names = "default"; + pinctrl-0 = <&max77620_default>; + + max77620_default: pinmux { + gpio0 { + pins = "gpio0"; + function = "gpio"; + }; + + gpio1 { + pins = "gpio1"; + function = "fps-out"; + maxim,active-fps-source = ; + }; + + gpio2 { + pins = "gpio2"; + function = "fps-out"; + maxim,active-fps-source = ; + }; + + gpio3 { + pins = "gpio3"; + function = "fps-out"; + maxim,active-fps-source = ; + }; + + gpio4 { + pins = "gpio4"; + function = "32k-out1"; + drive-push-pull = <1>; + }; + + gpio5 { + pins = "gpio5"; + function = "gpio"; + drive-push-pull = <0>; + }; + + gpio6 { + pins = "gpio6"; + function = "gpio"; + drive-push-pull = <1>; + }; + + gpio7 { + pins = "gpio7"; + function = "gpio"; + drive-push-pull = <0>; + }; + }; + + fps { + fps0 { + maxim,fps-event-source = ; + maxim,shutdown-fps-time-period-us = <640>; + }; + + fps1 { + maxim,fps-event-source = ; + maxim,shutdown-fps-time-period-us = <640>; + }; + + fps2 { + maxim,fps-event-source = ; + maxim,shutdown-fps-time-period-us = <640>; + }; + }; + + regulators { + in-sd0-supply = <&vdd_5v0_sys>; + in-sd1-supply = <&vdd_5v0_sys>; + in-sd2-supply = <&vdd_5v0_sys>; + in-sd3-supply = <&vdd_5v0_sys>; + + in-ldo0-1-supply = <&vdd_5v0_sys>; + in-ldo2-supply = <&vdd_5v0_sys>; + in-ldo3-5-supply = <&vdd_5v0_sys>; + in-ldo4-6-supply = <&vdd_1v8>; + in-ldo7-8-supply = <&avdd_dsi_csi>; + + sd0 { + regulator-name = "VDD_DDR_1V1_PMIC"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-always-on; + regulator-boot-on; + }; + + avdd_dsi_csi: sd1 { + regulator-name = "AVDD_DSI_CSI_1V2"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + /* XXX */ + regulator-always-on; + regulator-boot-on; + }; + + vdd_1v8: sd2 { + regulator-name = "VDD_1V8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + /* XXX */ + regulator-always-on; + regulator-boot-on; + }; + + vdd_3v3_sys: sd3 { + regulator-name = "VDD_3V3_SYS"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + /* XXX */ + regulator-always-on; + regulator-boot-on; + }; + + ldo0 { + regulator-name = "VDD_1V8_AP_PLL"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + /* XXX */ + regulator-always-on; + regulator-boot-on; + }; + + ldo2 { + regulator-name = "VDDIO_3V3_AOHV"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + /* XXX */ + regulator-always-on; + regulator-boot-on; + }; + + vddio_sdmmc1: ldo3 { + regulator-name = "VDDIO_SDMMC1_AP"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + + ldo4 { + regulator-name = "VDD_RTC"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + }; + + vddio_sdmmc3: ldo5 { + regulator-name = "VDDIO_SDMMC3_AP"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + }; + + avdd_1v05: ldo7 { + regulator-name = "VDD_HDMI_1V05"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + /* XXX */ + regulator-always-on; + regulator-boot-on; + }; + + vdd_pex: ldo8 { + regulator-name = "VDD_PEX_1V05"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + /* XXX */ + regulator-always-on; + regulator-boot-on; + }; + }; + }; }; }; @@ -123,4 +308,39 @@ status = "okay"; method = "smc"; }; + + regulators { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + vdd_5v0_sys: regulator@0 { + compatible = "regulator-fixed"; + reg = <0>; + + regulator-name = "VDD_5V0_SYS"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + regulator-boot-on; + }; + + vdd_1v8_ap: regulator@1 { + compatible = "regulator-fixed"; + reg = <1>; + + regulator-name = "VDD_1V8_AP"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + + /* XXX */ + regulator-always-on; + regulator-boot-on; + + gpio = <&pmic 1 GPIO_ACTIVE_HIGH>; + enable-active-high; + + vin-supply = <&vdd_1v8>; + }; + }; }; -- 2.20.1