ARM: tegra: colibri_t20: add eval board device tree

Add an evaluation board device tree more in-line with all our other
device trees.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/Documentation/devicetree/bindings/arm/tegra.txt b/Documentation/devicetree/bindings/arm/tegra.txt
index 0909122..c59b15f 100644 (file)
--- a/Documentation/devicetree/bindings/arm/tegra.txt
+++ b/Documentation/devicetree/bindings/arm/tegra.txt
@@ -54,6 +54,7 @@ board-specific compatible values:
   toradex,apalis-tk1-v1.2
   toradex,apalis-tk1-v1.2-eval
   toradex,colibri_t20
+  toradex,colibri_t20-eval-v3
   toradex,colibri_t20-iris
   toradex,colibri_t30
   toradex,colibri_t30-eval-v3

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 9d6d779..d89c310 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1061,6 +1061,7 @@ dtb-$(CONFIG_ARCH_TANGO) += \
        tango4-vantage-1172.dtb
 dtb-$(CONFIG_ARCH_TEGRA_2x_SOC) += \
        tegra20-harmony.dtb \
+       tegra20-colibri-eval-v3.dtb \
        tegra20-colibri-iris.dtb \
        tegra20-medcom-wide.dtb \
        tegra20-paz00.dtb \

diff --git a/arch/arm/boot/dts/tegra20-colibri-eval-v3.dts b/arch/arm/boot/dts/tegra20-colibri-eval-v3.dts
new file mode 100644 (file)
index 0000000..3c0f268
--- /dev/null
+++ b/arch/arm/boot/dts/tegra20-colibri-eval-v3.dts
@@ -0,0 +1,262 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+#include "tegra20-colibri.dtsi"
+
+/ {
+       model = "Toradex Colibri T20 on Colibri Evaluation Board";
+       compatible = "toradex,colibri_t20-eval-v3", "toradex,colibri_t20",
+                    "nvidia,tegra20";
+
+       aliases {
+               rtc0 = "/i2c@7000c000/rtc@68";
+               rtc1 = "/i2c@7000d000/pmic@34";
+               rtc2 = "/rtc@7000e000";
+               serial0 = &uarta;
+               serial1 = &uartd;
+               serial2 = &uartb;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       host1x@50000000 {
+               dc@54200000 {
+                       rgb {
+                               status = "okay";
+                               nvidia,panel = <&panel>;
+                       };
+               };
+
+               hdmi@54280000 {
+                       status = "okay";
+                       hdmi-supply = <&reg_5v0>;
+               };
+       };
+
+       pinmux@70000014 {
+               state_default: pinmux {
+                       bl-on {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+
+                       ddc {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+
+                       hotplug-detect {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+
+                       i2c {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+
+                       lcd {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+
+                       lm1 {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+
+                       mmc {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+
+                       mmccd {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+
+                       pwm-a-b {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+
+                       pwm-c-d {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+
+                       ssp {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+
+                       uart-a {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+
+                       uart-b {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+
+                       uart-c {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+
+                       usbh-pen {
+                               nvidia,tristate = <TEGRA_PIN_DISABLE>;
+                       };
+               };
+       };
+
+       /* Colibri UART-A */
+       serial@70006000 {
+               status = "okay";
+       };
+
+       /* Colibri UART-C */
+       serial@70006040 {
+               status = "okay";
+       };
+
+       /* Colibri UART-B */
+       serial@70006300 {
+               status = "okay";
+       };
+
+       pwm@7000a000 {
+               status = "okay";
+       };
+
+       /*
+        * GEN1_I2C: I2C_SDA/SCL on SODIMM pin 194/196 (e.g. RTC on carrier
+        * board)
+        */
+       i2c@7000c000 {
+               status = "okay";
+               clock-frequency = <400000>;
+
+               /* M41T0M6 real time clock on carrier board */
+               rtc@68 {
+                       compatible = "st,m41t0";
+                       reg = <0x68>;
+               };
+       };
+
+       /* GEN2_I2C: unused */
+
+       /* CAM_I2C (I2C3): unused */
+
+       /* DDC_CLOCK/DATA on X3 pin 15/16 (e.g. display EDID) */
+       i2c@7000c400 {
+               status = "okay";
+       };
+
+       /* EHCI instance 0: USB1_DP/N -> USBC_P/N */
+       usb@c5000000 {
+               status = "okay";
+               dr_mode = "otg";
+       };
+
+       usb-phy@c5000000 {
+               status = "okay";
+               vbus-supply = <&reg_usbc_vbus>;
+       };
+
+       /* EHCI instance 2: USB3_DP/N -> USBH_P/N */
+       usb@c5008000 {
+               status = "okay";
+       };
+
+       usb-phy@c5008000 {
+               status = "okay";
+               vbus-supply = <&reg_usbh_vbus>;
+       };
+
+       /* SPI4: Colibri SSP */
+       spi@7000da00 {
+               status = "okay";
+               spi-max-frequency = <25000000>;
+
+               can@0 {
+                       compatible = "microchip,mcp2515";
+                       reg = <0>;
+                       clocks = <&clk16m>;
+                       interrupt-parent = <&gpio>;
+                       /* CAN_INT */
+                       interrupts = <TEGRA_GPIO(A, 0) IRQ_TYPE_EDGE_FALLING>;
+                       spi-max-frequency = <10000000>;
+                       vdd-supply = <&reg_3v3>;
+                       xceiver-supply = <&reg_5v0>;
+               };
+       };
+
+       /* SD/MMC */
+       sdhci@c8000600 {
+               status = "okay";
+               bus-width = <4>;
+               cd-gpios = <&gpio TEGRA_GPIO(C, 7) GPIO_ACTIVE_LOW>; /* MMCD */
+               no-1-8-v;
+       };
+
+       backlight: backlight {
+               compatible = "pwm-backlight";
+               brightness-levels = <255 128 64 32 16 8 4 0>;
+               default-brightness-level = <6>;
+               /* BL_ON */
+               enable-gpios = <&gpio TEGRA_GPIO(T, 4) GPIO_ACTIVE_HIGH>;
+               power-supply = <&reg_3v3>;
+               pwms = <&pwm 0 5000000>; /* PWM<A> */
+       };
+
+       clk16m: osc3 {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <16000000>;
+       };
+
+       gpio-keys {
+               compatible = "gpio-keys";
+
+               wakeup {
+                       label = "SODIMM pin 45 wakeup";
+                       gpios = <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>;
+                       linux,code = <KEY_WAKEUP>;
+                       debounce-interval = <10>;
+                       wakeup-source;
+               };
+       };
+
+       panel: panel {
+               /*
+                * edt,et057090dhu: EDT 5.7" LCD TFT
+                * edt,et070080dh6: EDT 7.0" LCD TFT
+                */
+               compatible = "edt,et057090dhu", "simple-panel";
+               backlight = <&backlight>;
+               power-supply = <&reg_3v3>;
+       };
+
+       reg_3v3: regulator-3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "3.3V_SW";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+       };
+
+       reg_5v0: regulator-5v0 {
+               compatible = "regulator-fixed";
+               regulator-name = "5V_SW";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+       };
+
+       reg_usbc_vbus: regulator-usbc-vbus {
+               compatible = "regulator-fixed";
+               regulator-name = "VCC_USB5";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               vin-supply = <&reg_5v0>;
+       };
+
+       /* USBH_PEN resp. USB_P_EN */
+       reg_usbh_vbus: regulator-usbh-vbus {
+               compatible = "regulator-fixed";
+               regulator-name = "VCC_USB[1-4]";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               gpio = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_LOW>;
+               vin-supply = <&reg_5v0>;
+       };
+};