Add regulators to the Tegra210 Smaug DTS file including
support for the max77620 PMIC.
Signed-off-by: Rhyland Klein <rklein@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 350 ++++++++++++++++++++++++++
1 file changed, 350 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
index 4d89f4e02d98..fdca5b5d79e8 100644
--- 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 +1328,269 @@
};
};
+ 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", "gpio5",
+ "gpio6", "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_7 {
+ 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,enable-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-enable-ramp-delay = <146>;
+ regulator-disable-ramp-delay = <4080>;
+ regulator-ramp-delay = <27500>;
+ regulator-ramp-delay-scale = <300>;
+ 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-enable-ramp-delay = <130>;
+ regulator-disable-ramp-delay = <145800>;
+ regulator-ramp-delay = <27500>;
+ regulator-ramp-delay-scale = <300>;
+ 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-enable-ramp-delay = <176>;
+ regulator-disable-ramp-delay = <32000>;
+ regulator-ramp-delay = <27500>;
+ regulator-ramp-delay-scale = <350>;
+ 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-enable-ramp-delay = <242>;
+ regulator-disable-ramp-delay = <118000>;
+ regulator-ramp-delay = <27500>;
+ regulator-ramp-delay-scale = <360>;
+ 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-disable-ramp-delay = <626>;
+ regulator-ramp-delay = <100000>;
+ regulator-ramp-delay-scale = <200>;
+ 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-disable-ramp-delay = <630>;
+ regulator-ramp-delay = <100000>;
+ regulator-ramp-delay-scale = <200>;
+ 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-disable-ramp-delay = <650>;
+ regulator-ramp-delay = <100000>;
+ regulator-ramp-delay-scale = <200>;
+ 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-disable-ramp-delay = <1110>;
+ regulator-ramp-delay = <100000>;
+ regulator-ramp-delay-scale = <200>;
+ 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-disable-ramp-delay = <610>;
+ regulator-ramp-delay = <100000>;
+ regulator-ramp-delay-scale = <200>;
+ 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-disable-ramp-delay = <640>;
+ regulator-ramp-delay = <100000>;
+ regulator-ramp-delay-scale = <200>;
+ 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-disable-ramp-delay = <674>;
+ regulator-ramp-delay = <100000>;
+ regulator-ramp-delay-scale = <200>;
+ 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-disable-ramp-delay = <2768>;
+ regulator-ramp-delay = <100000>;
+ regulator-ramp-delay-scale = <200>;
+ 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-disable-ramp-delay = <1160>;
+ regulator-ramp-delay = <100000>;
+ regulator-ramp-delay-scale = <200>;
+ 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 +1685,90 @@
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;
+ gpio = <&max77620 3 0>;
+ 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>;
+ };
+ };
};
--
1.9.1
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