NVIDIA's Tegra210 platform Jetson-TX1 uses the Maxim Semiconductor's PMIC MAX77620 as system PMIC. Add DT entry for this device which enabled core registration, GPIO, pin control, power sequencing and regulator functionalities. This patch is created based on downstream data and new DT properties. Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx> --- The patches for drivers of MFD/GPIO/Pincontrol are in flight. arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts | 205 +++++++++++++++++++++ 1 file changed, 205 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts index 18147eb..1f0788b 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts @@ -2,12 +2,217 @@ #include "tegra210-p2180.dtsi" #include "tegra210-p2597.dtsi" +#include <dt-bindings/mfd/max77620.h> #include <dt-bindings/input/input.h> / { model = "NVIDIA Jetson TX1 Developer Kit"; compatible = "nvidia,p2371-2180", "nvidia,tegra210"; + i2c@0,7000d000 { + status = "okay"; + system-pmic@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 = <&system_pmic_default>; + + in-ldo0-1-supply = <&spmic_sd2>; + in-ldo7-8-supply = <&spmic_sd2>; + + system_pmic_default: default { + pin_gpio0 { + pins = "gpio0"; + function = "gpio"; + }; + + pin_gpio1 { + pins = "gpio1"; + function = "fps-out"; + drive-push-pull = <1>; + maxim,active-fps-source = <MAX77620_FPS_SRC_0>; + maxim,active-fps-power-up-slot = <7>; + maxim,active-fps-power-down-slot = <0>; + }; + + pin_gpio2_3 { + pins = "gpio2", "gpio3"; + function = "fps-out"; + drive-open-drain = <1>; + maxim,active-fps-source = <MAX77620_FPS_SRC_0>; + }; + + pin_gpio4 { + pins = "gpio4"; + function = "32k-out1"; + }; + + pin_gpio5_6_7 { + pins = "gpio5", "gpio6", "gpio7"; + function = "gpio"; + drive-push-pull = <1>; + }; + }; + + fps { + fps0 { + maxim,suspend-fps-time-period-us = <1280>; + maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>; + }; + + fps1 { + maxim,suspend-fps-time-period-us = <1280>; + maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN1>; + }; + + fps2 { + maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>; + }; + }; + + regulators { + sd0 { + regulator-name = "vdd-core"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <1400000>; + regulator-boot-on; + regulator-always-on; + regulator-enable-ramp-delay = <146>; + regulator-ramp-delay = <27500>; + maxim,fps-source = <MAX77620_FPS_SRC_1>; + }; + + sd1 { + regulator-name = "vddio-ddr"; + regulator-always-on; + regulator-boot-on; + regulator-enable-ramp-delay = <130>; + regulator-ramp-delay = <27500>; + maxim,active-fps-source = <MAX77620_FPS_SRC_0>; + }; + + spmic_sd2: sd2 { + regulator-name = "vdd-pre-reg"; + regulator-min-microvolt = <1350000>; + regulator-max-microvolt = <1350000>; + regulator-enable-ramp-delay = <176>; + regulator-ramp-delay = <27500>; + maxim,active-fps-source = <MAX77620_FPS_SRC_1>; + }; + + sd3 { + regulator-name = "vdd-1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + regulator-boot-on; + regulator-enable-ramp-delay = <242>; + regulator-ramp-delay = <27500>; + maxim,active-fps-source = <MAX77620_FPS_SRC_0>; + }; + + ldo0 { + regulator-name = "avdd-sys"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + regulator-boot-on; + regulator-enable-ramp-delay = <26>; + regulator-ramp-delay = <100000>; + maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>; + }; + + ldo1 { + regulator-name = "vdd-pex"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + regulator-always-on; + regulator-enable-ramp-delay = <22>; + regulator-ramp-delay = <100000>; + maxim,active-fps-source = <MAX77620_FPS_SRC_1>; + }; + + ldo2 { + regulator-name = "vddio-sdmmc1"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <62>; + regulator-ramp-delay = <100000>; + maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>; + }; + + ldo3 { + regulator-name = "vdd-cam-hv"; + 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>; + }; + + ldo4 { + regulator-name = "vdd-rtc"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <850000>; + regulator-always-on; + regulator-boot-on; + regulator-enable-ramp-delay = <22>; + regulator-ramp-delay = <100000>; + maxim,active-fps-source = <MAX77620_FPS_SRC_0>; + }; + + ldo5 { + regulator-name = "avdd-ts-hv"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <62>; + regulator-ramp-delay = <100000>; + maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>; + }; + + ldo6 { + regulator-name = "vdd-ts"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-enable-ramp-delay = <36>; + regulator-ramp-delay = <100000>; + maxim,active-fps-source = <MAX77620_FPS_SRC_0>; + maxim,active-fps-power-up-slot = <7>; + maxim,active-fps-power-down-slot = <0>; + }; + + ldo7 { + regulator-name = "vdd-gen-pll-edp"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + regulator-always-on; + regulator-boot-on; + regulator-enable-ramp-delay = <24>; + regulator-ramp-delay = <100000>; + maxim,active-fps-source = <MAX77620_FPS_SRC_1>; + }; + + ldo8 { + regulator-name = "vdd-hdmi-dp"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + regulator-always-on; + regulator-enable-ramp-delay = <22>; + regulator-ramp-delay = <100000>; + maxim,active-fps-source = <MAX77620_FPS_SRC_1>; + }; + }; + }; + }; + gpio-keys { compatible = "gpio-keys"; label = "gpio-keys"; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html