From fee8cdc2df088fa2ee4b7f86a803918a3664a26b Mon Sep 17 00:00:00 2001 From: Marcel Ziswiler Date: Sun, 2 Sep 2018 12:09:06 +0200 Subject: [PATCH] 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 Signed-off-by: Thierry Reding --- .../devicetree/bindings/arm/tegra.txt | 1 + arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/tegra20-colibri-eval-v3.dts | 262 ++++++++++++++++++ 3 files changed, 264 insertions(+) create mode 100644 arch/arm/boot/dts/tegra20-colibri-eval-v3.dts diff --git a/Documentation/devicetree/bindings/arm/tegra.txt b/Documentation/devicetree/bindings/arm/tegra.txt index 0909122a2bee..c59b15f64346 100644 --- 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 9d6d7790d627..d89c31088158 100644 --- 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 index 000000000000..3c0f2681fcde --- /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 +#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 = <®_5v0>; + }; + }; + + pinmux@70000014 { + state_default: pinmux { + bl-on { + nvidia,tristate = ; + }; + + ddc { + nvidia,tristate = ; + }; + + hotplug-detect { + nvidia,tristate = ; + }; + + i2c { + nvidia,tristate = ; + }; + + lcd { + nvidia,tristate = ; + }; + + lm1 { + nvidia,tristate = ; + }; + + mmc { + nvidia,tristate = ; + }; + + mmccd { + nvidia,tristate = ; + }; + + pwm-a-b { + nvidia,tristate = ; + }; + + pwm-c-d { + nvidia,tristate = ; + }; + + ssp { + nvidia,tristate = ; + }; + + uart-a { + nvidia,tristate = ; + }; + + uart-b { + nvidia,tristate = ; + }; + + uart-c { + nvidia,tristate = ; + }; + + usbh-pen { + nvidia,tristate = ; + }; + }; + }; + + /* 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 = <®_usbc_vbus>; + }; + + /* EHCI instance 2: USB3_DP/N -> USBH_P/N */ + usb@c5008000 { + status = "okay"; + }; + + usb-phy@c5008000 { + status = "okay"; + vbus-supply = <®_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 = ; + spi-max-frequency = <10000000>; + vdd-supply = <®_3v3>; + xceiver-supply = <®_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 = <®_3v3>; + pwms = <&pwm 0 5000000>; /* PWM */ + }; + + 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 = ; + 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 = <®_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 = <®_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 = <®_5v0>; + }; +};