asus: add P1801-T support

Tested-by: Andreas Westman Dorcsak <[email protected]>
Signed-off-by: Svyatoslav Ryhel <[email protected]>

arch/arm/dts/Makefile

@@ -209,6 +209,7 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-asus-tf101.dtb \
 	tegra20-colibri.dtb \
 	tegra20-qemu.dtb \
 	tegra30-apalis.dtb \
+	tegra30-asus-p1801-t.dtb \
 	tegra30-asus-tf201.dtb \
 	tegra30-asus-tf300t.dtb \
 	tegra30-asus-tf300tg.dtb \

arch/arm/dts/tegra30-asus-p1801-t.dts

@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/dts-v1/;
+
+#include <dt-bindings/input/gpio-keys.h>
+#include <dt-bindings/input/linux-event-codes.h>
+
+#include "tegra30-asus-transformer.dtsi"
+
+/ {
+	model = "Asus Transformer AiO P1801-T";
+
+	i2c@7000d000 {
+		status = "okay";
+		clock-frequency = <400000>;
+
+		/* Texas Instruments TPS659110 PMIC */
+		pmic: tps65911@2d {
+			compatible = "ti,tps65911";
+			reg = <0x2d>;
+
+			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+			#interrupt-cells = <2>;
+			interrupt-controller;
+
+			ti,system-power-controller;
+
+			#gpio-cells = <2>;
+			gpio-controller;
+
+			regulators {
+				/* eMMC VDD */
+				vcore_emmc: ldo1 {
+					regulator-name = "vdd_emmc_core";
+					regulator-min-microvolt = <1000000>;
+					regulator-max-microvolt = <3300000>;
+					regulator-always-on;
+				};
+
+				/* uSD slot VDD */
+				vdd_usd: ldo2 {
+					regulator-name = "vdd_usd";
+					regulator-min-microvolt = <3100000>;
+					regulator-max-microvolt = <3100000>;
+					regulator-always-on;
+				};
+
+				/* uSD slot VDDIO */
+				vddio_usd: ldo3 {
+					regulator-name = "vddio_usd";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <3100000>;
+				};
+			};
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		interrupt-parent = <&gpio>;
+
+		power {
+			label = "Power";
+			gpios = <&gpio TEGRA_GPIO(V, 0) GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_POWER>;
+		};
+
+		volume-up {
+			label = "VolUp";
+			gpios = <&gpio TEGRA_GPIO(Q, 2) GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_VOLUMEUP>;
+		};
+
+		volume-down {
+			label = "VolDown";
+			gpios = <&gpio TEGRA_GPIO(Q, 3) GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_VOLUMEDOWN>;
+		};
+
+		mode {
+			label = "Mode";
+			gpios = <&gpio TEGRA_GPIO(K, 2) GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_MODE>;
+		};
+	};
+};

configs/p1801-t_defconfig

@@ -0,0 +1,57 @@
+CONFIG_ARM=y
+CONFIG_ARCH_TEGRA=y
+CONFIG_SYS_TEXT_BASE=0x80110000
+CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SIZE=0x2000
+CONFIG_ENV_OFFSET=0xFFFFE000
+CONFIG_DEFAULT_DEVICE_TREE="tegra30-asus-p1801-t"
+CONFIG_SPL_TEXT_BASE=0x80108000
+CONFIG_TEGRA30=y
+CONFIG_TARGET_TRANSFORMER=y
+CONFIG_SYS_LOAD_ADDR=0x81000000
+CONFIG_DEBUG_LL=y
+CONFIG_DEBUG_UART_PHYS=0x70006000
+CONFIG_OF_SYSTEM_SETUP=y
+CONFIG_BOOTDELAY=0
+CONFIG_SYS_STDIO_DEREGISTER=y
+CONFIG_SYS_PROMPT="Tegra30 (Transformer) # "
+# CONFIG_BOOTM_PLAN9 is not set
+# CONFIG_BOOTM_RTEMS is not set
+# CONFIG_BOOTM_VXWORKS is not set
+CONFIG_CMD_BOOTMENU=y
+# CONFIG_CMD_IMI is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_POWEROFF=y
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_NFS is not set
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_CMD_EXT4_WRITE=y
+# CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_EFI_PARTITION is not set
+CONFIG_ENV_OVERWRITE=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SYS_MMC_ENV_PART=2
+CONFIG_SPL_DM=y
+CONFIG_BUTTON=y
+CONFIG_BUTTON_GPIO=y
+CONFIG_USB_FUNCTION_FASTBOOT=y
+CONFIG_FASTBOOT_BUF_ADDR=0x88000000
+CONFIG_SYS_I2C_TEGRA=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_PWM_TEGRA=y
+CONFIG_SYS_NS16550=y
+CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_TEGRA=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_MANUFACTURER="ASUS Transformer"
+CONFIG_USB_GADGET_VENDOR_NUM=0x1d6b
+CONFIG_USB_GADGET_PRODUCT_NUM=0x0002
+CONFIG_USB_KEYBOARD=y
+CONFIG_CI_UDC=y