arm64: tegra: Add support for IGX Orin

Add support for the NVIDIA IGX Orin development kit having P3701
module with P3740 carrier board.

Signed-off-by: Shubhi Garg <shgarg@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/Makefile

@@ -9,6 +9,7 @@ DTC_FLAGS_tegra194-p2972-0000 := -@
 DTC_FLAGS_tegra194-p3509-0000+p3668-0000 := -@
 DTC_FLAGS_tegra194-p3509-0000+p3668-0001 := -@
 DTC_FLAGS_tegra234-p3737-0000+p3701-0000 := -@
+DTC_FLAGS_tegra234-p3740-0002+p3701-0008 := -@
 DTC_FLAGS_tegra234-p3768-0000+p3767-0000 := -@
 
 dtb-$(CONFIG_ARCH_TEGRA_132_SOC) += tegra132-norrin.dtb
@@ -25,4 +26,5 @@ dtb-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra194-p3509-0000+p3668-0000.dtb
 dtb-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra194-p3509-0000+p3668-0001.dtb
 dtb-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra234-sim-vdk.dtb
 dtb-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra234-p3737-0000+p3701-0000.dtb
+dtb-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra234-p3740-0002+p3701-0008.dtb
 dtb-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra234-p3768-0000+p3767-0000.dtb

arch/arm64/boot/dts/nvidia/tegra234-p3701-0008.dtsi

@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "tegra234.dtsi"
+
+/ {
+	compatible = "nvidia,p3701-0008", "nvidia,tegra234";
+
+	bus@0 {
+		i2c@3160000 {
+			status = "okay";
+
+			eeprom@50 {
+				compatible = "atmel,24c02";
+				reg = <0x50>;
+				label = "module";
+				vcc-supply = <&vdd_1v8_hs>;
+				address-width = <8>;
+				pagesize = <8>;
+				size = <256>;
+				read-only;
+			};
+		};
+
+		spi@3270000 {
+			status = "okay";
+
+			flash@0 {
+				compatible = "jedec,spi-nor";
+				reg = <0>;
+				spi-max-frequency = <102000000>;
+				spi-tx-bus-width = <4>;
+				spi-rx-bus-width = <4>;
+			};
+		};
+
+		mmc@3460000 {
+			status = "okay";
+			bus-width = <8>;
+			non-removable;
+		};
+
+		i2c@c240000 {
+			status = "okay";
+		};
+
+		rtc@c2a0000 {
+			status = "okay";
+		};
+
+		pmc@c360000 {
+			nvidia,invert-interrupt;
+		};
+	};
+
+	bpmp {
+		i2c {
+			status = "okay";
+
+			thermal-sensor@4c {
+				status = "okay";
+				reg = <0x4c>;
+				vcc-supply = <&vdd_1v8_ao>;
+			};
+		};
+
+		thermal {
+			status = "okay";
+		};
+	};
+
+	vdd_1v8_ao: regulator-vdd-1v8-ao {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_1V8_AO";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
+
+	vdd_1v8_hs: regulator-vdd-1v8-hs {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_1V8_HS";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
+
+	vdd_1v8_ls: regulator-vdd-1v8-ls {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_1V8_LS";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
+
+	vdd_3v3_ao: regulator-vdd-3v3-ao {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd-AO-3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+
+	vdd_5v0_sys: regulator-vdd-5v0-sys {
+		compatible = "regulator-fixed";
+		regulator-name = "VIN_SYS_5V0";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+};

arch/arm64/boot/dts/nvidia/tegra234-p3740-0002+p3701-0008.dts

@@ -0,0 +1,154 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/input/gpio-keys.h>
+#include "tegra234-p3701-0008.dtsi"
+#include "tegra234-p3740-0002.dtsi"
+
+/ {
+	model = "NVIDIA IGX Orin Development Kit";
+	compatible = "nvidia,p3740-0002+p3701-0008", "nvidia,p3701-0008", "nvidia,tegra234";
+
+	aliases {
+		serial0 = &tcu;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	bus@0 {
+		host1x@13e00000 {
+			nvdec@15480000 {
+				status = "okay";
+			};
+		};
+
+		pcie@140e0000 {
+			status = "okay";
+			vddio-pex-ctl-supply = <&vdd_1v8_ls>;
+			phys = <&p2u_gbe_4>, <&p2u_gbe_5>;
+			phy-names = "p2u-0", "p2u-1";
+		};
+
+		pcie@14100000 {
+			status = "okay";
+			vddio-pex-ctl-supply = <&vdd_1v8_ao>;
+			phys = <&p2u_hsio_3>;
+			phy-names = "p2u-0";
+		};
+
+		pcie@14160000 {
+			status = "okay";
+			vddio-pex-ctl-supply = <&vdd_1v8_ao>;
+			phys = <&p2u_hsio_7>, <&p2u_hsio_6>, <&p2u_hsio_5>,
+			       <&p2u_hsio_4>;
+			phy-names = "p2u-0", "p2u-1", "p2u-2", "p2u-3";
+		};
+
+		pcie@141a0000 {
+			status = "okay";
+			vddio-pex-ctl-supply = <&vdd_1v8_ls>;
+			phys = <&p2u_nvhs_0>, <&p2u_nvhs_1>, <&p2u_nvhs_2>,
+				<&p2u_nvhs_3>, <&p2u_nvhs_4>, <&p2u_nvhs_5>,
+				<&p2u_nvhs_6>, <&p2u_nvhs_7>;
+			phy-names = "p2u-0", "p2u-1", "p2u-2", "p2u-3", "p2u-4",
+				    "p2u-5", "p2u-6", "p2u-7";
+		};
+
+		pcie@141e0000 {
+			status = "okay";
+			vddio-pex-ctl-supply = <&vdd_1v8_ls>;
+			phys = <&p2u_gbe_0>, <&p2u_gbe_1>;
+			phy-names = "p2u-0", "p2u-1";
+		};
+
+		aconnect@2900000 {
+			status = "okay";
+		};
+
+		serial@3100000 {
+			compatible = "nvidia,tegra194-hsuart";
+			status = "okay";
+		};
+
+		i2c@3160000 {
+			status = "okay";
+		};
+
+		i2c@3180000 {
+			status = "okay";
+		};
+
+		i2c@3190000 {
+			status = "okay";
+		};
+
+		i2c@31b0000 {
+			status = "okay";
+		};
+
+		i2c@31c0000 {
+			status = "okay";
+
+		};
+
+		i2c@31e0000 {
+			status = "okay";
+		};
+
+		spi@3270000 {
+			status = "okay";
+		};
+
+		hda@3510000 {
+			nvidia,model = "NVIDIA IGX HDA";
+			status = "okay";
+		};
+
+		fuse@3810000 {
+			status = "okay";
+		};
+
+		i2c@c240000 {
+			status = "okay";
+		};
+
+		i2c@c250000 {
+			status = "okay";
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		status = "okay";
+
+		key-force-recovery {
+			label = "Force Recovery";
+			gpios = <&gpio TEGRA234_MAIN_GPIO(G, 0) GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_1>;
+		};
+
+		key-power {
+			label = "Power";
+			gpios = <&gpio_aon TEGRA234_AON_GPIO(EE, 4) GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <KEY_POWER>;
+			wakeup-event-action = <EV_ACT_ASSERTED>;
+			wakeup-source;
+		};
+
+		key-suspend {
+			label = "Suspend";
+			gpios = <&gpio TEGRA234_MAIN_GPIO(G, 2) GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <KEY_SLEEP>;
+		};
+	};
+
+	serial {
+		status = "okay";
+	};
+};

arch/arm64/boot/dts/nvidia/tegra234-p3740-0002.dtsi

@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/ {
+	compatible = "nvidia,p3740-0002";
+
+	bus@0 {
+		i2c@31c0000 {
+			/* carrier board ID EEPROM */
+			eeprom@55 {
+				compatible = "atmel,24c02";
+				reg = <0x55>;
+
+				label = "system";
+				vcc-supply = <&vdd_1v8_ls>;
+				address-width = <8>;
+				pagesize = <8>;
+				size = <256>;
+				read-only;
+			};
+		};
+
+		padctl@3520000 {
+			vclamp-usb-supply = <&vdd_1v8_ao>;
+			avdd-usb-supply = <&vdd_3v3_ao>;
+			status = "okay";
+
+			pads {
+				usb2 {
+					lanes {
+						usb2-0 {
+							nvidia,function = "xusb";
+							status = "okay";
+						};
+
+						usb2-1 {
+							nvidia,function = "xusb";
+							status = "okay";
+						};
+
+						usb2-2 {
+							nvidia,function = "xusb";
+							status = "okay";
+						};
+
+						usb2-3 {
+							nvidia,function = "xusb";
+							status = "okay";
+						};
+					};
+				};
+
+				usb3 {
+					lanes {
+						usb3-0 {
+							nvidia,function = "xusb";
+							status = "okay";
+						};
+
+						usb3-1 {
+							nvidia,function = "xusb";
+							status = "okay";
+						};
+
+						usb3-2 {
+							nvidia,function = "xusb";
+							status = "okay";
+						};
+					};
+				};
+			};
+
+			ports {
+				usb2-0 {
+					mode = "otg";
+					usb-role-switch;
+					status = "okay";
+					vbus-supply = <&vdd_5v0_sys>;
+				};
+
+				usb2-1 {
+					mode = "host";
+					status = "okay";
+					vbus-supply = <&vdd_5v0_sys>;
+				};
+
+				usb2-2 {
+					mode = "host";
+					status = "okay";
+					vbus-supply = <&vdd_5v0_sys>;
+				};
+
+				usb2-3 {
+					mode = "host";
+					status = "okay";
+					vbus-supply = <&vdd_5v0_sys>;
+				};
+
+				usb3-0 {
+					nvidia,usb2-companion = <2>;
+					status = "okay";
+				};
+
+				usb3-1 {
+					nvidia,usb2-companion = <0>;
+					status = "okay";
+				};
+
+				usb3-2 {
+					nvidia,usb2-companion = <1>;
+					status = "okay";
+				};
+			};
+		};
+
+		usb@3550000 {
+			status = "okay";
+
+			phys = <&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-0}>,
+				<&{/bus@0/padctl@3520000/pads/usb3/lanes/usb3-1}>;
+			phy-names = "usb2-0", "usb3-0";
+		};
+
+		usb@3610000 {
+			status = "okay";
+
+			phys =	<&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-0}>,
+				<&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-1}>,
+				<&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-2}>,
+				<&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-3}>,
+				<&{/bus@0/padctl@3520000/pads/usb3/lanes/usb3-0}>,
+				<&{/bus@0/padctl@3520000/pads/usb3/lanes/usb3-1}>,
+				<&{/bus@0/padctl@3520000/pads/usb3/lanes/usb3-2}>;
+			phy-names = "usb2-0", "usb2-1", "usb2-2", "usb2-3",
+				"usb3-0", "usb3-1", "usb3-2";
+		};
+	};
+};