arm64: tegra: Add regulators for Tegra210 Smaug

Add regulators to the Tegra210 Smaug DTS file including support for the
MAX77620 PMIC.

Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
index 4d89f4e02d984902238854cefa627a56e07ee54a..431266a48e9c55fa280be772508dfaa22d052de3 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
@@ -1,6 +1,7 @@
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
+#include <dt-bindings/mfd/max77620.h>
 #include <dt-bindings/pinctrl/pinctrl-tegra.h>
 
 #include "tegra210.dtsi"
@@ -1327,6 +1328,234 @@
                };
        };
 
+       i2c@7000d000 {
+               status = "okay";
+               clock-frequency = <1000000>;
+
+               max77620: max77620@3c {
+                       compatible = "maxim,max77620";
+                       reg = <0x3c>;
+                       interrupts = <0 86 IRQ_TYPE_NONE>;
+
+                       #interrupt-cells = <2>;
+                       interrupt-controller;
+
+                       gpio-controller;
+                       #gpio-cells = <2>;
+
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&max77620_default>;
+
+                       max77620_default: pinmux@0 {
+                               pin_gpio {
+                                       pins = "gpio0", "gpio1", "gpio2", "gpio7";
+                                       function = "gpio";
+                               };
+
+                               /*
+                                * GPIO3 is used to en_pp3300, and it is part of power
+                                * sequence, So it must be sequenced up (automatically
+                                * set by OTP) and down properly.
+                                */
+                               pin_gpio3 {
+                                       pins = "gpio3";
+                                       function = "fps-out";
+                                       drive-open-drain = <1>;
+                                       maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
+                                       maxim,active-fps-power-up-slot = <4>;
+                                       maxim,active-fps-power-down-slot = <2>;
+                               };
+
+                               pin_gpio5_6 {
+                                       pins = "gpio5", "gpio6";
+                                       function = "gpio";
+                                       drive-push-pull = <1>;
+                               };
+
+                               pin_32k {
+                                       pins = "gpio4";
+                                       function = "32k-out1";
+                               };
+                       };
+
+                       fps {
+                               fps0 {
+                                       maxim,shutdown-fps-time-period-us = <5120>;
+                                       maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>;
+                               };
+
+                               fps1 {
+                                       maxim,shutdown-fps-time-period-us = <5120>;
+                                       maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN1>;
+                                       maxim,device-state-on-disabled-event = <MAX77620_FPS_INACTIVE_STATE_SLEEP>;
+                               };
+
+                               fps2 {
+                                       maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>;
+                               };
+                       };
+
+                       regulators {
+                               in-ldo0-1-supply = <&pp1350>;
+                               in-ldo2-supply = <&pp3300>;
+                               in-ldo3-5-supply = <&pp3300>;
+                               in-ldo7-8-supply = <&pp1350>;
+
+                               ppvar_soc: sd0 {
+                                       regulator-name = "PPVAR_SOC";
+                                       regulator-min-microvolt = <825000>;
+                                       regulator-max-microvolt = <1125000>;
+                                       regulator-always-on;
+                                       regulator-boot-on;
+                                       maxim,active-fps-source = <MAX77620_FPS_SRC_1>;
+                                       maxim,active-fps-power-up-slot = <1>;
+                                       maxim,active-fps-power-down-slot = <7>;
+                               };
+
+                               pp1100_sd1: sd1 {
+                                       regulator-name = "PP1100";
+                                       regulator-min-microvolt = <1125000>;
+                                       regulator-max-microvolt = <1125000>;
+                                       regulator-always-on;
+                                       regulator-boot-on;
+                                       maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
+                                       maxim,active-fps-power-up-slot = <5>;
+                                       maxim,active-fps-power-down-slot = <1>;
+                               };
+
+                               pp1350: sd2 {
+                                       regulator-name = "PP1350";
+                                       regulator-min-microvolt = <1350000>;
+                                       regulator-max-microvolt = <1350000>;
+                                       regulator-always-on;
+                                       regulator-boot-on;
+                                       maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
+                                       maxim,active-fps-power-up-slot = <2>;
+                                       maxim,active-fps-power-down-slot = <5>;
+                               };
+
+                               pp1800: sd3 {
+                                       regulator-name = "PP1800";
+                                       regulator-min-microvolt = <1800000>;
+                                       regulator-max-microvolt = <1800000>;
+                                       regulator-always-on;
+                                       regulator-boot-on;
+                                       maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
+                                       maxim,active-fps-power-up-slot = <3>;
+                                       maxim,active-fps-power-down-slot = <3>;
+                               };
+
+                               pp1200_avdd: ldo0 {
+                                       regulator-name = "PP1200_AVDD";
+                                       regulator-min-microvolt = <1200000>;
+                                       regulator-max-microvolt = <1200000>;
+                                       regulator-enable-ramp-delay = <26>;
+                                       regulator-ramp-delay = <100000>;
+                                       regulator-boot-on;
+                                       maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
+                                       maxim,active-fps-power-up-slot = <0>;
+                                       maxim,active-fps-power-down-slot = <7>;
+                               };
+
+                               pp1200_rcam: ldo1 {
+                                       regulator-name = "PP1200_RCAM";
+                                       regulator-min-microvolt = <1200000>;
+                                       regulator-max-microvolt = <1200000>;
+                                       regulator-enable-ramp-delay = <22>;
+                                       regulator-ramp-delay = <100000>;
+                                       maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
+                                       maxim,active-fps-power-up-slot = <0>;
+                                       maxim,active-fps-power-down-slot = <7>;
+                               };
+
+                               pp_ldo2: ldo2 {
+                                       regulator-name = "PP_LDO2";
+                                       regulator-min-microvolt = <1800000>;
+                                       regulator-max-microvolt = <1800000>;
+                                       regulator-enable-ramp-delay = <62>;
+                                       regulator-ramp-delay = <11000>;
+                                       regulator-always-on;
+                                       regulator-boot-on;
+                                       maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
+                                       maxim,active-fps-power-up-slot = <0>;
+                                       maxim,active-fps-power-down-slot = <7>;
+                               };
+
+                               pp2800l_rcam: ldo3 {
+                                       regulator-name = "PP2800L_RCAM";
+                                       regulator-min-microvolt = <2800000>;
+                                       regulator-max-microvolt = <2800000>;
+                                       regulator-enable-ramp-delay = <50>;
+                                       regulator-ramp-delay = <100000>;
+                                       maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
+                                       maxim,active-fps-power-up-slot = <0>;
+                                       maxim,active-fps-power-down-slot = <7>;
+                               };
+
+                               pp100_soc_rtc: ldo4 {
+                                       regulator-name = "PP1100_SOC_RTC";
+                                       regulator-min-microvolt = <850000>;
+                                       regulator-max-microvolt = <850000>;
+                                       regulator-enable-ramp-delay = <22>;
+                                       regulator-ramp-delay = <100000>;
+                                       regulator-always-on; /* Check this */
+                                       regulator-boot-on;
+                                       maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
+                                       maxim,active-fps-power-up-slot = <1>;
+                                       maxim,active-fps-power-down-slot = <7>;
+                               };
+
+                               pp2800l_fcam: ldo5 {
+                                       regulator-name = "PP2800L_FCAM";
+                                       regulator-min-microvolt = <2800000>;
+                                       regulator-max-microvolt = <2800000>;
+                                       regulator-enable-ramp-delay = <62>;
+                                       regulator-ramp-delay = <100000>;
+                                       maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
+                                       maxim,active-fps-power-up-slot = <0>;
+                                       maxim,active-fps-power-down-slot = <7>;
+                               };
+
+                               ldo6 {
+                                       /* Unused. */
+                                       regulator-name = "PP_LDO6";
+                                       regulator-min-microvolt = <1800000>;
+                                       regulator-max-microvolt = <1800000>;
+                                       regulator-enable-ramp-delay = <36>;
+                                       regulator-ramp-delay = <100000>;
+                                       maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
+                                       maxim,active-fps-power-up-slot = <0>;
+                                       maxim,active-fps-power-down-slot = <7>;
+                               };
+
+                               pp1050_avdd: ldo7 {
+                                       regulator-name = "PP1050_AVDD";
+                                       regulator-min-microvolt = <1050000>;
+                                       regulator-max-microvolt = <1050000>;
+                                       regulator-enable-ramp-delay = <24>;
+                                       regulator-ramp-delay = <100000>;
+                                       regulator-always-on;
+                                       regulator-boot-on;
+                                       maxim,active-fps-source = <MAX77620_FPS_SRC_1>;
+                                       maxim,active-fps-power-up-slot = <3>;
+                                       maxim,active-fps-power-down-slot = <4>;
+                               };
+
+                               avddio_1v05: ldo8 {
+                                       regulator-name = "AVDDIO_1V05";
+                                       regulator-min-microvolt = <1050000>;
+                                       regulator-max-microvolt = <1050000>;
+                                       regulator-enable-ramp-delay = <22>;
+                                       regulator-ramp-delay = <100000>;
+                                       regulator-boot-on;
+                                       maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
+                                       maxim,active-fps-power-up-slot = <0>;
+                                       maxim,active-fps-power-down-slot = <7>;
+                               };
+                       };
+               };
+       };
+
        pmc@7000e400 {
                nvidia,invert-interrupt;
                nvidia,suspend-mode = <0>;
@@ -1421,4 +1650,89 @@
                compatible = "arm,psci-1.0";
                method = "smc";
        };
+
+       regulators {
+               compatible = "simple-bus";
+               device_type = "fixed-regulators";
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               ppvar_sys: regulator@0 {
+                       compatible = "regulator-fixed";
+                       reg = <0>;
+                       regulator-name = "PPVAR_SYS";
+                       regulator-min-microvolt = <4400000>;
+                       regulator-max-microvolt = <4400000>;
+                       regulator-always-on;
+               };
+
+               pplcd_vdd: regulator@1 {
+                       compatible = "regulator-fixed";
+                       reg = <1>;
+                       regulator-name = "PPLCD_VDD";
+                       regulator-min-microvolt = <4400000>;
+                       regulator-max-microvolt = <4400000>;
+                       gpio = <&gpio TEGRA_GPIO(V, 4) 0>;
+                       enable-active-high;
+                       regulator-boot-on;
+               };
+
+               pp3000_always: regulator@2 {
+                       compatible = "regulator-fixed";
+                       reg = <2>;
+                       regulator-name = "PP3000_ALWAYS";
+                       regulator-min-microvolt = <3000000>;
+                       regulator-max-microvolt = <3000000>;
+                       regulator-always-on;
+               };
+
+               pp3300: regulator@3 {
+                       compatible = "regulator-fixed";
+                       reg = <3>;
+                       regulator-name = "PP3300";
+                       regulator-min-microvolt = <3300000>;
+                       regulator-max-microvolt = <3300000>;
+                       regulator-boot-on;
+                       regulator-always-on;
+                       enable-active-high;
+               };
+
+               pp5000: regulator@4 {
+                       compatible = "regulator-fixed";
+                       reg = <4>;
+                       regulator-name = "PP5000";
+                       regulator-min-microvolt = <5000000>;
+                       regulator-max-microvolt = <5000000>;
+                       regulator-always-on;
+               };
+
+               pp1800_lcdio: regulator@5 {
+                       compatible = "regulator-fixed";
+                       reg = <5>;
+                       regulator-name = "PP1800_LCDIO";
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <1800000>;
+                       gpio = <&gpio TEGRA_GPIO(V, 3) 0>;
+                       enable-active-high;
+                       regulator-boot-on;
+               };
+
+               pp1800_cam: regulator@6 {
+                       compatible = "regulator-fixed";
+                       reg= <6>;
+                       regulator-name = "PP1800_CAM";
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <1800000>;
+                       gpio = <&gpio TEGRA_GPIO(K, 3) 0>;
+                       enable-active-high;
+               };
+
+               usbc_vbus: regulator@7 {
+                       compatible = "regulator-fixed";
+                       reg = <7>;
+                       regulator-name = "USBC_VBUS";
+                       regulator-min-microvolt = <5000000>;
+                       regulator-max-microvolt = <5000000>;
+               };
+       };
 };