board: asus: transformer: add ASUS Transformer T20 family support
The Asus Eee Pad Transformer family are 2-in-1 detachable/slider
tablets developed by Asus that run the Android operating system.
The Eee Pad Transformers feature a 10.1-inch (260 mm) display,
an Nvidia Tegra 2 dual-core chip, 1 GB of RAM, and 16/32 GB of storage.
Transformers board derives from Nvidia Ventana development board.
This patch brings support for all 3 known T20 Transformers:
- Asus Eee Pad Transformer TF101
- Asus Eee Pad Transformer TF101G
- Asus Eee Pad Slider SL101
Tested-by: Robert Eckelmann <longnoserob@gmail.com> # ASUS TF101
Tested-by: Antoni Aloy Torrens <aaloytorrens@gmail.com> # ASUS TF101
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 06c234a..362b4d3 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -94,7 +94,11 @@
dtb-$(CONFIG_ARCH_MESON) += \
meson-a1-ad401.dtb
-dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \
+dtb-$(CONFIG_ARCH_TEGRA) += \
+ tegra20-asus-sl101.dtb \
+ tegra20-asus-tf101.dtb \
+ tegra20-asus-tf101g.dtb \
+ tegra20-harmony.dtb \
tegra20-medcom-wide.dtb \
tegra20-paz00.dtb \
tegra20-plutux.dtb \
diff --git a/arch/arm/dts/tegra20-asus-sl101.dts b/arch/arm/dts/tegra20-asus-sl101.dts
new file mode 100644
index 0000000..b4709c3
--- /dev/null
+++ b/arch/arm/dts/tegra20-asus-sl101.dts
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "tegra20-asus-transformer.dtsi"
+
+/ {
+ model = "ASUS EeePad Slider SL101";
+ compatible = "asus,sl101", "nvidia,tegra20";
+};
diff --git a/arch/arm/dts/tegra20-asus-tf101.dts b/arch/arm/dts/tegra20-asus-tf101.dts
new file mode 100644
index 0000000..7c734fb
--- /dev/null
+++ b/arch/arm/dts/tegra20-asus-tf101.dts
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "tegra20-asus-transformer.dtsi"
+
+/ {
+ model = "ASUS EeePad Transformer TF101";
+ compatible = "asus,tf101", "nvidia,tegra20";
+};
diff --git a/arch/arm/dts/tegra20-asus-tf101g.dts b/arch/arm/dts/tegra20-asus-tf101g.dts
new file mode 100644
index 0000000..f49a358
--- /dev/null
+++ b/arch/arm/dts/tegra20-asus-tf101g.dts
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "tegra20-asus-transformer.dtsi"
+
+/ {
+ model = "ASUS EeePad Transformer TF101G";
+ compatible = "asus,tf101g", "nvidia,tegra20";
+};
diff --git a/arch/arm/dts/tegra20-asus-transformer.dtsi b/arch/arm/dts/tegra20-asus-transformer.dtsi
new file mode 100644
index 0000000..49efabb
--- /dev/null
+++ b/arch/arm/dts/tegra20-asus-transformer.dtsi
@@ -0,0 +1,545 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/input/input.h>
+#include "tegra20.dtsi"
+
+/ {
+ chosen {
+ stdout-path = &uartd;
+ };
+
+ aliases {
+ i2c0 = &pwr_i2c;
+
+ mmc0 = &sdmmc4; /* eMMC */
+ mmc1 = &sdmmc3; /* MicroSD */
+
+ rtc0 = &pmic;
+ rtc1 = "/rtc@7000e000";
+
+ usb0 = &usb1;
+ usb1 = &usb3; /* Dock USB */
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x40000000>;
+ };
+
+ host1x@50000000 {
+ dc@54200000 {
+ rgb {
+ status = "okay";
+
+ nvidia,panel = <&panel>;
+ };
+ };
+ };
+
+ pinmux@70000014 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&state_default>;
+
+ state_default: pinmux {
+ ata {
+ nvidia,pins = "ata";
+ nvidia,function = "ide";
+ };
+
+ atb {
+ nvidia,pins = "atb", "gma", "gme";
+ nvidia,function = "sdio4";
+ };
+
+ atc {
+ nvidia,pins = "atc";
+ nvidia,function = "nand";
+ };
+
+ atd {
+ nvidia,pins = "atd", "ate", "gmb", "spia",
+ "spib", "spic";
+ nvidia,function = "gmi";
+ };
+
+ cdev1 {
+ nvidia,pins = "cdev1";
+ nvidia,function = "plla_out";
+ };
+
+ cdev2 {
+ nvidia,pins = "cdev2";
+ nvidia,function = "pllp_out4";
+ };
+
+ crtp {
+ nvidia,pins = "crtp";
+ nvidia,function = "crt";
+ };
+
+ lm1 {
+ nvidia,pins = "lm1";
+ nvidia,function = "rsvd3";
+ };
+
+ csus {
+ nvidia,pins = "csus";
+ nvidia,function = "vi_sensor_clk";
+ };
+
+ dap1 {
+ nvidia,pins = "dap1";
+ nvidia,function = "dap1";
+ };
+
+ dap2 {
+ nvidia,pins = "dap2";
+ nvidia,function = "dap2";
+ };
+
+ dap3 {
+ nvidia,pins = "dap3";
+ nvidia,function = "dap3";
+ };
+
+ dap4 {
+ nvidia,pins = "dap4";
+ nvidia,function = "dap4";
+ };
+
+ dta {
+ nvidia,pins = "dta", "dtb", "dtc", "dtd", "dte";
+ nvidia,function = "vi";
+ };
+
+ dtf {
+ nvidia,pins = "dtf";
+ nvidia,function = "i2c3";
+ };
+
+ gmc {
+ nvidia,pins = "gmc";
+ nvidia,function = "uartd";
+ };
+
+ gmd {
+ nvidia,pins = "gmd";
+ nvidia,function = "sflash";
+ };
+
+ gpu {
+ nvidia,pins = "gpu";
+ nvidia,function = "pwm";
+ };
+
+ gpu7 {
+ nvidia,pins = "gpu7";
+ nvidia,function = "rtck";
+ };
+
+ gpv {
+ nvidia,pins = "gpv", "slxa";
+ nvidia,function = "pcie";
+ };
+
+ hdint {
+ nvidia,pins = "hdint";
+ nvidia,function = "hdmi";
+ };
+
+ i2cp {
+ nvidia,pins = "i2cp";
+ nvidia,function = "i2cp";
+ };
+
+ irrx {
+ nvidia,pins = "irrx", "irtx";
+ nvidia,function = "uartb";
+ };
+
+ kbca {
+ nvidia,pins = "kbca", "kbcb", "kbcc", "kbcd",
+ "kbce", "kbcf";
+ nvidia,function = "kbc";
+ };
+
+ lcsn {
+ nvidia,pins = "lcsn", "ldc", "lm0", "lpw1",
+ "lsdi", "lvp0";
+ nvidia,function = "rsvd4";
+ };
+
+ ld0 {
+ nvidia,pins = "ld0", "ld1", "ld2", "ld3", "ld4",
+ "ld5", "ld6", "ld7", "ld8", "ld9",
+ "ld10", "ld11", "ld12", "ld13", "ld14",
+ "ld15", "ld16", "ld17", "ldi", "lhp0",
+ "lhp1", "lhp2", "lhs", "lpp", "lpw0",
+ "lpw2", "lsc0", "lsc1", "lsck", "lsda",
+ "lspi", "lvp1", "lvs";
+ nvidia,function = "displaya";
+ };
+
+ owc {
+ nvidia,pins = "owc", "spdi", "spdo", "uac";
+ nvidia,function = "rsvd2";
+ };
+
+ pmc {
+ nvidia,pins = "pmc";
+ nvidia,function = "pwr_on";
+ };
+
+ rm {
+ nvidia,pins = "rm";
+ nvidia,function = "i2c1";
+ };
+
+ sdb {
+ nvidia,pins = "sdb", "sdc", "sdd", "slxc", "slxk";
+ nvidia,function = "sdio3";
+ };
+
+ sdio1 {
+ nvidia,pins = "sdio1";
+ nvidia,function = "sdio1";
+ };
+
+ slxd {
+ nvidia,pins = "slxd";
+ nvidia,function = "spdif";
+ };
+
+ spid {
+ nvidia,pins = "spid", "spie", "spif";
+ nvidia,function = "spi1";
+ };
+
+ spig {
+ nvidia,pins = "spig", "spih";
+ nvidia,function = "spi2_alt";
+ };
+
+ uaa {
+ nvidia,pins = "uaa", "uab", "uda";
+ nvidia,function = "ulpi";
+ };
+
+ uad {
+ nvidia,pins = "uad";
+ nvidia,function = "irda";
+ };
+
+ uca {
+ nvidia,pins = "uca", "ucb";
+ nvidia,function = "uartc";
+ };
+
+ conf_ata {
+ nvidia,pins = "ata", "atb", "atc", "atd",
+ "cdev1", "cdev2", "dap1", "dap4",
+ "dte", "ddc", "dtf", "gma", "gmc",
+ "gme", "gpu", "gpu7", "gpv", "i2cp",
+ "irrx", "irtx", "pta", "rm", "sdc",
+ "sdd", "slxc", "slxd", "slxk", "spdi",
+ "spdo", "uac", "uad",
+ "uda", "csus";
+ nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+ nvidia,tristate = <TEGRA_PIN_DISABLE>;
+ };
+
+ conf_ate {
+ nvidia,pins = "ate", "dap2", "dap3", "gmb", "gmd",
+ "owc", "spia", "spib", "spic",
+ "spid", "spie", "spig", "slxa";
+ nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+ nvidia,tristate = <TEGRA_PIN_ENABLE>;
+ };
+
+ conf_ck32 {
+ nvidia,pins = "ck32", "ddrc", "pmca", "pmcb",
+ "pmcc", "pmcd", "pmce", "xm2c", "xm2d";
+ nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+ };
+
+ conf_crtp {
+ nvidia,pins = "crtp", "spih";
+ nvidia,pull = <TEGRA_PIN_PULL_UP>;
+ nvidia,tristate = <TEGRA_PIN_ENABLE>;
+ };
+
+ conf_dta {
+ nvidia,pins = "dta", "dtb", "dtc", "dtd";
+ nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
+ nvidia,tristate = <TEGRA_PIN_DISABLE>;
+ };
+
+ conf_spif {
+ nvidia,pins = "spif";
+ nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
+ nvidia,tristate = <TEGRA_PIN_ENABLE>;
+ };
+
+ conf_hdint {
+ nvidia,pins = "hdint", "lcsn", "ldc", "lm1",
+ "lpw1", "lsck", "lsda", "lsdi", "lvp0";
+ nvidia,tristate = <TEGRA_PIN_ENABLE>;
+ };
+
+ conf_kbca {
+ nvidia,pins = "kbca", "kbcb", "kbcc", "kbcd",
+ "kbce", "kbcf", "sdio1", "uaa", "uab",
+ "uca", "ucb";
+ nvidia,pull = <TEGRA_PIN_PULL_UP>;
+ nvidia,tristate = <TEGRA_PIN_DISABLE>;
+ };
+
+ conf_lc {
+ nvidia,pins = "lc", "ls";
+ nvidia,pull = <TEGRA_PIN_PULL_UP>;
+ };
+
+ conf_ld0 {
+ nvidia,pins = "ld0", "ld1", "ld2", "ld3", "ld4",
+ "ld5", "ld6", "ld7", "ld8", "ld9",
+ "ld10", "ld11", "ld12", "ld13", "ld14",
+ "ld15", "ld16", "ld17", "ldi", "lhp0",
+ "lhp1", "lhp2", "lhs", "lm0", "lpp",
+ "lpw0", "lpw2", "lsc0", "lsc1", "lspi",
+ "lvp1", "lvs", "pmc", "sdb";
+ nvidia,tristate = <TEGRA_PIN_DISABLE>;
+ };
+
+ conf_ld17_0 {
+ nvidia,pins = "ld17_0", "ld19_18", "ld21_20",
+ "ld23_22";
+ nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
+ };
+
+ drive_sdio1 {
+ nvidia,pins = "drive_sdio1", "drive_ddc", "drive_vi1";
+ nvidia,high-speed-mode = <TEGRA_PIN_DISABLE>;
+ nvidia,schmitt = <TEGRA_PIN_ENABLE>;
+ nvidia,low-power-mode = <TEGRA_PIN_LP_DRIVE_DIV_1>;
+ nvidia,pull-down-strength = <31>;
+ nvidia,pull-up-strength = <31>;
+ nvidia,slew-rate-rising = <TEGRA_PIN_SLEW_RATE_SLOWEST>;
+ nvidia,slew-rate-falling = <TEGRA_PIN_SLEW_RATE_SLOWEST>;
+ };
+
+ drive_csus {
+ nvidia,pins = "drive_csus";
+ nvidia,high-speed-mode = <TEGRA_PIN_DISABLE>;
+ nvidia,schmitt = <TEGRA_PIN_DISABLE>;
+ nvidia,low-power-mode = <TEGRA_PIN_LP_DRIVE_DIV_1>;
+ nvidia,pull-down-strength = <31>;
+ nvidia,pull-up-strength = <31>;
+ nvidia,slew-rate-rising = <TEGRA_PIN_SLEW_RATE_SLOWEST>;
+ nvidia,slew-rate-falling = <TEGRA_PIN_SLEW_RATE_SLOWEST>;
+ };
+ };
+
+ state_i2cmux_ddc: pinmux-i2cmux-ddc {
+ ddc {
+ nvidia,pins = "ddc";
+ nvidia,function = "i2c2";
+ };
+
+ pta {
+ nvidia,pins = "pta";
+ nvidia,function = "rsvd4";
+ };
+ };
+
+ state_i2cmux_idle: pinmux-i2cmux-idle {
+ ddc {
+ nvidia,pins = "ddc";
+ nvidia,function = "rsvd4";
+ };
+
+ pta {
+ nvidia,pins = "pta";
+ nvidia,function = "rsvd4";
+ };
+ };
+
+ state_i2cmux_pta: pinmux-i2cmux-pta {
+ ddc {
+ nvidia,pins = "ddc";
+ nvidia,function = "rsvd4";
+ };
+
+ pta {
+ nvidia,pins = "pta";
+ nvidia,function = "i2c2";
+ };
+ };
+ };
+
+ uartd: serial@70006300 {
+ status = "okay";
+ clock-frequency = <216000000>;
+ };
+
+ pwm: pwm@7000a000 {
+ status = "okay";
+ };
+
+ pwr_i2c: i2c@7000d000 {
+ status = "okay";
+ clock-frequency = <400000>;
+
+ pmic: tps6586x@34 {
+ compatible = "ti,tps6586x";
+ reg = <0x34>;
+ interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+
+ ti,system-power-controller;
+
+ #gpio-cells = <2>;
+ gpio-controller;
+
+ regulators {
+ avdd_usb: ldo3 {
+ regulator-name = "vdd_ldo3,avdd_usb*";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vcore_emmc: ldo5 {
+ regulator-name = "vdd_ldo5,vcore_mmc";
+ regulator-min-microvolt = <2850000>;
+ regulator-max-microvolt = <2850000>;
+ };
+ };
+ };
+ };
+
+ /* USB via ASUS connector */
+ usb1: usb@c5000000 {
+ status = "okay";
+ dr_mode = "otg";
+ };
+
+ usb-phy@c5000000 {
+ status = "okay";
+ nvidia,xcvr-setup-use-fuses;
+ };
+
+ /* Dock's USB port */
+ usb3: usb@c5008000 {
+ status = "okay";
+ };
+
+ sdmmc3: sdhci@c8000400 {
+ status = "okay";
+ bus-width = <4>;
+
+ cd-gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;
+ wp-gpios = <&gpio TEGRA_GPIO(H, 1) GPIO_ACTIVE_HIGH>;
+ power-gpios = <&gpio TEGRA_GPIO(I, 6) GPIO_ACTIVE_HIGH>;
+
+ vmmc-supply = <&vdd_3v3_sys>;
+ vqmmc-supply = <&vdd_3v3_sys>;
+ };
+
+ sdmmc4: sdhci@c8000600 {
+ status = "okay";
+ bus-width = <8>;
+ non-removable;
+
+ vmmc-supply = <&vcore_emmc>;
+ vqmmc-supply = <&vdd_3v3_sys>;
+ };
+
+ backlight: backlight {
+ compatible = "pwm-backlight";
+
+ enable-gpios = <&gpio TEGRA_GPIO(D, 4) GPIO_ACTIVE_HIGH>;
+ power-supply = <&vdd_3v3_sys>;
+ pwms = <&pwm 2 4000000>;
+
+ brightness-levels = <1 35 70 105 140 175 210 255>;
+ default-brightness-level = <5>;
+ };
+
+ /* PMIC has a built-in 32KHz oscillator which is used by PMC */
+ clk32k_in: clock-32k-in {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <32768>;
+ clock-output-names = "pmic-oscillator";
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ key-power {
+ label = "Power";
+ gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_ENTER>;
+ };
+
+ key-volume-down {
+ label = "Volume Down";
+ gpios = <&gpio TEGRA_GPIO(Q, 4) GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_DOWN>;
+ };
+
+ key-volume-up {
+ label = "Volume Up";
+ gpios = <&gpio TEGRA_GPIO(Q, 5) GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_UP>;
+ };
+
+ switch-dock-hall-sensor {
+ label = "Lid sensor";
+ gpios = <&gpio TEGRA_GPIO(S, 4) GPIO_ACTIVE_LOW>;
+ linux,code = <SW_LID>;
+ };
+ };
+
+ panel: panel {
+ compatible = "simple-panel";
+
+ power-supply = <&vdd_pnl_reg>;
+ enable-gpios = <&gpio TEGRA_GPIO(B, 2) GPIO_ACTIVE_HIGH>;
+
+ backlight = <&backlight>;
+
+ display-timings {
+ timing@0 {
+ clock-frequency = <71200000>;
+
+ hactive = <1280>;
+ hfront-porch = <8>;
+ hback-porch = <18>;
+ hsync-len = <184>;
+
+ vactive = <800>;
+ vfront-porch = <4>;
+ vback-porch = <8>;
+ vsync-len = <3>;
+ };
+ };
+ };
+
+ vdd_3v3_sys: regulator-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_3v3_vs";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ vdd_pnl_reg: regulator-pnl {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_panel";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ gpio = <&gpio TEGRA_GPIO(C, 6) GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+};
diff --git a/arch/arm/mach-tegra/tegra20/Kconfig b/arch/arm/mach-tegra/tegra20/Kconfig
index 57d1102..6458827 100644
--- a/arch/arm/mach-tegra/tegra20/Kconfig
+++ b/arch/arm/mach-tegra/tegra20/Kconfig
@@ -47,6 +47,10 @@
bool "Avionic Design Tamonten Evaluation Carrier"
select BOARD_LATE_INIT
+config TARGET_TRANSFORMER_T20
+ bool "Asus Tegra20 Transformer board"
+ select BOARD_LATE_INIT
+
config TARGET_TRIMSLICE
bool "Compulab TrimSlice board"
select BOARD_LATE_INIT
@@ -72,6 +76,7 @@
source "board/avionic-design/plutux/Kconfig"
source "board/nvidia/seaboard/Kconfig"
source "board/avionic-design/tec/Kconfig"
+source "board/asus/transformer-t20/Kconfig"
source "board/compulab/trimslice/Kconfig"
source "board/nvidia/ventana/Kconfig"
source "board/toradex/colibri_t20/Kconfig"