ARM: tegra: Enable PCIe on Jetson TK1

The Jetson TK1 has an ethernet NIC connected to the PCIe bus and routes
the second root port to a miniPCIe slot. Enable the PCIe controller and
the network driver to allow the device to boot over the network.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>

1 files changed, 347 insertions, 0 deletions

diff --git a/arch/arm/dts/tegra124-jetson-tk1.dts b/arch/arm/dts/tegra124-jetson-tk1.dts
index 91b4c1d..51fef54 100644
--- a/arch/arm/dts/tegra124-jetson-tk1.dts
+++ b/arch/arm/dts/tegra124-jetson-tk1.dts
@@ -29,6 +29,26 @@
 		reg = <0x80000000 0x80000000>;
 	};
 
+	pcie-controller@01003000 {
+		status = "okay";
+
+		avddio-pex-supply = <&vdd_1v05_run>;
+		dvddio-pex-supply = <&vdd_1v05_run>;
+		avdd-pex-pll-supply = <&vdd_1v05_run>;
+		hvdd-pex-supply = <&vdd_3v3_lp0>;
+		hvdd-pex-pll-e-supply = <&vdd_3v3_lp0>;
+		vddio-pex-ctl-supply = <&vdd_3v3_lp0>;
+		avdd-pll-erefe-supply = <&avdd_1v05_run>;
+
+		pci@1,0 {
+			status = "okay";
+		};
+
+		pci@2,0 {
+			status = "okay";
+		};
+	};
+
 	i2c@7000c000 {
 		status = "okay";
 		clock-frequency = <100000>;
@@ -49,9 +69,195 @@
 		clock-frequency = <100000>;
 	};
 
+	/* Expansion PWR_I2C_*, on-board components */
 	i2c@7000d000 {
 		status = "okay";
 		clock-frequency = <400000>;
+
+		pmic: pmic@40 {
+			compatible = "ams,as3722";
+			reg = <0x40>;
+			interrupts = <0 86 IRQ_TYPE_LEVEL_HIGH>;
+
+			ams,system-power-controller;
+
+			#interrupt-cells = <2>;
+			interrupt-controller;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&as3722_default>;
+
+			as3722_default: pinmux {
+				gpio0 {
+					pins = "gpio0";
+					function = "gpio";
+					bias-pull-down;
+				};
+
+				gpio1_2_4_7 {
+					pins = "gpio1", "gpio2", "gpio4", "gpio7";
+					function = "gpio";
+					bias-pull-up;
+				};
+
+				gpio3_5_6 {
+					pins = "gpio3", "gpio5", "gpio6";
+					bias-high-impedance;
+				};
+			};
+
+			regulators {
+				vsup-sd2-supply = <&vdd_5v0_sys>;
+				vsup-sd3-supply = <&vdd_5v0_sys>;
+				vsup-sd4-supply = <&vdd_5v0_sys>;
+				vsup-sd5-supply = <&vdd_5v0_sys>;
+				vin-ldo0-supply = <&vdd_1v35_lp0>;
+				vin-ldo1-6-supply = <&vdd_3v3_run>;
+				vin-ldo2-5-7-supply = <&vddio_1v8>;
+				vin-ldo3-4-supply = <&vdd_3v3_sys>;
+				vin-ldo9-10-supply = <&vdd_5v0_sys>;
+				vin-ldo11-supply = <&vdd_3v3_run>;
+
+				sd0 {
+					regulator-name = "+VDD_CPU_AP";
+					regulator-min-microvolt = <700000>;
+					regulator-max-microvolt = <1400000>;
+					regulator-min-microamp = <3500000>;
+					regulator-max-microamp = <3500000>;
+					regulator-always-on;
+					regulator-boot-on;
+					ams,ext-control = <2>;
+				};
+
+				sd1 {
+					regulator-name = "+VDD_CORE";
+					regulator-min-microvolt = <700000>;
+					regulator-max-microvolt = <1350000>;
+					regulator-min-microamp = <2500000>;
+					regulator-max-microamp = <2500000>;
+					regulator-always-on;
+					regulator-boot-on;
+					ams,ext-control = <1>;
+				};
+
+				vdd_1v35_lp0: sd2 {
+					regulator-name = "+1.35V_LP0(sd2)";
+					regulator-min-microvolt = <1350000>;
+					regulator-max-microvolt = <1350000>;
+					regulator-always-on;
+					regulator-boot-on;
+				};
+
+				sd3 {
+					regulator-name = "+1.35V_LP0(sd3)";
+					regulator-min-microvolt = <1350000>;
+					regulator-max-microvolt = <1350000>;
+					regulator-always-on;
+					regulator-boot-on;
+				};
+
+				vdd_1v05_run: sd4 {
+					regulator-name = "+1.05V_RUN";
+					regulator-min-microvolt = <1050000>;
+					regulator-max-microvolt = <1050000>;
+				};
+
+				vddio_1v8: sd5 {
+					regulator-name = "+1.8V_VDDIO";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				vdd_gpu: sd6 {
+					regulator-name = "+VDD_GPU_AP";
+					regulator-min-microvolt = <650000>;
+					regulator-max-microvolt = <1200000>;
+					regulator-min-microamp = <3500000>;
+					regulator-max-microamp = <3500000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				avdd_1v05_run: ldo0 {
+					regulator-name = "+1.05V_RUN_AVDD";
+					regulator-min-microvolt = <1050000>;
+					regulator-max-microvolt = <1050000>;
+					regulator-boot-on;
+					regulator-always-on;
+					ams,ext-control = <1>;
+				};
+
+				ldo1 {
+					regulator-name = "+1.8V_RUN_CAM";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+				};
+
+				ldo2 {
+					regulator-name = "+1.2V_GEN_AVDD";
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1200000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				ldo3 {
+					regulator-name = "+1.05V_LP0_VDD_RTC";
+					regulator-min-microvolt = <1000000>;
+					regulator-max-microvolt = <1000000>;
+					regulator-boot-on;
+					regulator-always-on;
+					ams,enable-tracking;
+				};
+
+				ldo4 {
+					regulator-name = "+2.8V_RUN_CAM";
+					regulator-min-microvolt = <2800000>;
+					regulator-max-microvolt = <2800000>;
+				};
+
+				ldo5 {
+					regulator-name = "+1.2V_RUN_CAM_FRONT";
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1200000>;
+				};
+
+				vddio_sdmmc3: ldo6 {
+					regulator-name = "+VDDIO_SDMMC3";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <3300000>;
+				};
+
+				ldo7 {
+					regulator-name = "+1.05V_RUN_CAM_REAR";
+					regulator-min-microvolt = <1050000>;
+					regulator-max-microvolt = <1050000>;
+				};
+
+				ldo9 {
+					regulator-name = "+3.3V_RUN_TOUCH";
+					regulator-min-microvolt = <2800000>;
+					regulator-max-microvolt = <2800000>;
+				};
+
+				ldo10 {
+					regulator-name = "+2.8V_RUN_CAM_AF";
+					regulator-min-microvolt = <2800000>;
+					regulator-max-microvolt = <2800000>;
+				};
+
+				ldo11 {
+					regulator-name = "+1.8V_RUN_VPP_FUSE";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+				};
+			};
+		};
 	};
 
 	i2c@7000d100 {
@@ -117,4 +323,145 @@
 		status = "okay";
 		nvidia,vbus-gpio = <&gpio 109 0>; /* gpio PN5, USB_VBUS_EN1 */
 	};
+
+	regulators {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		vdd_mux: regulator@0 {
+			compatible = "regulator-fixed";
+			reg = <0>;
+			regulator-name = "+VDD_MUX";
+			regulator-min-microvolt = <12000000>;
+			regulator-max-microvolt = <12000000>;
+			regulator-always-on;
+			regulator-boot-on;
+		};
+
+		vdd_5v0_sys: regulator@1 {
+			compatible = "regulator-fixed";
+			reg = <1>;
+			regulator-name = "+5V_SYS";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			regulator-always-on;
+			regulator-boot-on;
+			vin-supply = <&vdd_mux>;
+		};
+
+		vdd_3v3_sys: regulator@2 {
+			compatible = "regulator-fixed";
+			reg = <2>;
+			regulator-name = "+3.3V_SYS";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			regulator-always-on;
+			regulator-boot-on;
+			vin-supply = <&vdd_mux>;
+		};
+
+		vdd_3v3_run: regulator@3 {
+			compatible = "regulator-fixed";
+			reg = <3>;
+			regulator-name = "+3.3V_RUN";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			regulator-always-on;
+			regulator-boot-on;
+			gpio = <&pmic 1 GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+			vin-supply = <&vdd_3v3_sys>;
+		};
+
+		vdd_3v3_hdmi: regulator@4 {
+			compatible = "regulator-fixed";
+			reg = <4>;
+			regulator-name = "+3.3V_AVDD_HDMI_AP_GATED";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			vin-supply = <&vdd_3v3_run>;
+		};
+
+		vdd_usb1_vbus: regulator@7 {
+			compatible = "regulator-fixed";
+			reg = <7>;
+			regulator-name = "+USB0_VBUS_SW";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio TEGRA_GPIO(N, 4) GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+			gpio-open-drain;
+			vin-supply = <&vdd_5v0_sys>;
+		};
+
+		vdd_usb3_vbus: regulator@8 {
+			compatible = "regulator-fixed";
+			reg = <8>;
+			regulator-name = "+5V_USB_HS";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio TEGRA_GPIO(N, 5) GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+			gpio-open-drain;
+			vin-supply = <&vdd_5v0_sys>;
+		};
+
+		vdd_3v3_lp0: regulator@10 {
+			compatible = "regulator-fixed";
+			reg = <10>;
+			regulator-name = "+3.3V_LP0";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			regulator-always-on;
+			regulator-boot-on;
+			gpio = <&pmic 2 GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+			vin-supply = <&vdd_3v3_sys>;
+		};
+
+		vdd_hdmi_pll: regulator@11 {
+			compatible = "regulator-fixed";
+			reg = <11>;
+			regulator-name = "+1.05V_RUN_AVDD_HDMI_PLL";
+			regulator-min-microvolt = <1050000>;
+			regulator-max-microvolt = <1050000>;
+			gpio = <&gpio TEGRA_GPIO(H, 7) GPIO_ACTIVE_LOW>;
+			vin-supply = <&vdd_1v05_run>;
+		};
+
+		vdd_5v0_hdmi: regulator@12 {
+			compatible = "regulator-fixed";
+			reg = <12>;
+			regulator-name = "+5V_HDMI_CON";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio TEGRA_GPIO(K, 6) GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+			vin-supply = <&vdd_5v0_sys>;
+		};
+
+		/* Molex power connector */
+		vdd_5v0_sata: regulator@13 {
+			compatible = "regulator-fixed";
+			reg = <13>;
+			regulator-name = "+5V_SATA";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio TEGRA_GPIO(EE, 2) GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+			vin-supply = <&vdd_5v0_sys>;
+		};
+
+		vdd_12v0_sata: regulator@14 {
+			compatible = "regulator-fixed";
+			reg = <14>;
+			regulator-name = "+12V_SATA";
+			regulator-min-microvolt = <12000000>;
+			regulator-max-microvolt = <12000000>;
+			gpio = <&gpio TEGRA_GPIO(EE, 2) GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+			vin-supply = <&vdd_mux>;
+		};
+	};
 };