boot/dts/tegra20-colibri-iris.dts

0001 // SPDX-License-Identifier: GPL-2.0
0002 /dts-v1/;
0003
0004 #include <dt-bindings/input/input.h>
0005 #include "tegra20-colibri.dtsi"
0006
0007 / {
0008         model = "Toradex Colibri T20 on Iris";
0009         compatible = "toradex,colibri_t20-iris", "toradex,colibri_t20",
0010                      "nvidia,tegra20";
0011
0012         aliases {
0013                 rtc0 = "/i2c@7000c000/rtc@68";
0014                 rtc1 = "/i2c@7000d000/pmic@34";
0015                 rtc2 = "/rtc@7000e000";
0016                 serial0 = &uarta;
0017                 serial1 = &uartd;
0018                 serial2 = &uartb;
0019         };
0020
0021         chosen {
0022                 stdout-path = "serial0:115200n8";
0023         };
0024
0025         host1x@50000000 {
0026                 dc@54200000 {
0027                         rgb {
0028                                 status = "okay";
0029                                 nvidia,panel = <&panel>;
0030                         };
0031                 };
0032
0033                 hdmi@54280000 {
0034                         status = "okay";
0035                         hdmi-supply = <&reg_5v0>;
0036                 };
0037         };
0038
0039         pinmux@70000014 {
0040                 state_default: pinmux {
0041                         bl-on {
0042                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0043                         };
0044
0045                         ddc {
0046                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0047                         };
0048
0049                         hotplug-detect {
0050                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0051                         };
0052
0053                         i2c {
0054                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0055                         };
0056
0057                         lcd {
0058                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0059                         };
0060
0061                         lm1 {
0062                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0063                         };
0064
0065                         mmc {
0066                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0067                         };
0068
0069                         mmccd {
0070                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0071                         };
0072
0073                         sdc {
0074                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0075                         };
0076
0077                         sdb_sdd {
0078                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0079                         };
0080
0081                         ssp {
0082                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0083                         };
0084
0085                         uart-a {
0086                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0087                         };
0088
0089                         uart-b {
0090                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0091                         };
0092
0093                         uart-c {
0094                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0095                         };
0096
0097                         usbh-pen {
0098                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
0099                         };
0100                 };
0101         };
0102
0103         /* Colibri UART-A */
0104         serial@70006000 {
0105                 status = "okay";
0106         };
0107
0108         /* Colibri UART-C */
0109         serial@70006040 {
0110                 status = "okay";
0111         };
0112
0113         /* Colibri UART-B */
0114         serial@70006300 {
0115                 status = "okay";
0116         };
0117
0118         pwm@7000a000 {
0119                 status = "okay";
0120         };
0121
0122         /*
0123          * GEN1_I2C: I2C_SDA/SCL on SODIMM pin 194/196 (e.g. RTC on carrier
0124          * board)
0125          */
0126         i2c@7000c000 {
0127                 status = "okay";
0128                 clock-frequency = <400000>;
0129
0130                 /* M41T0M6 real time clock on carrier board */
0131                 rtc@68 {
0132                         compatible = "st,m41t0";
0133                         reg = <0x68>;
0134                 };
0135         };
0136
0137         /* GEN2_I2C: unused */
0138
0139         /* CAM_I2C (I2C3): unused */
0140
0141         /* DDC_CLOCK/DATA on X3 pin 15/16 (e.g. display EDID) */
0142         i2c@7000c400 {
0143                 status = "okay";
0144         };
0145
0146         /* EHCI instance 0: USB1_DP/N -> USBC_P/N */
0147         usb@c5000000 {
0148                 status = "okay";
0149                 dr_mode = "otg";
0150         };
0151
0152         usb-phy@c5000000 {
0153                 status = "okay";
0154                 vbus-supply = <&reg_usbc_vbus>;
0155         };
0156
0157         /* EHCI instance 2: USB3_DP/N -> USBH_P/N */
0158         usb@c5008000 {
0159                 status = "okay";
0160         };
0161
0162         usb-phy@c5008000 {
0163                 status = "okay";
0164                 vbus-supply = <&reg_usbh_vbus>;
0165         };
0166
0167         /* SPI4: Colibri SSP */
0168         spi@7000da00 {
0169                 status = "okay";
0170                 spi-max-frequency = <25000000>;
0171         };
0172
0173         /* SD/MMC */
0174         mmc@c8000600 {
0175                 status = "okay";
0176                 bus-width = <4>;
0177                 cd-gpios = <&gpio TEGRA_GPIO(C, 7) GPIO_ACTIVE_LOW>; /* MMCD */
0178                 no-1-8-v;
0179         };
0180
0181         backlight: backlight {
0182                 compatible = "pwm-backlight";
0183                 brightness-levels = <255 128 64 32 16 8 4 0>;
0184                 default-brightness-level = <6>;
0185                 /* BL_ON */
0186                 enable-gpios = <&gpio TEGRA_GPIO(T, 4) GPIO_ACTIVE_HIGH>;
0187                 power-supply = <&reg_3v3>;
0188                 pwms = <&pwm 0 5000000>; /* PWM<A> */
0189         };
0190
0191         gpio-keys {
0192                 compatible = "gpio-keys";
0193
0194                 key-wakeup {
0195                         label = "SODIMM pin 45 wakeup";
0196                         gpios = <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>;
0197                         linux,code = <KEY_WAKEUP>;
0198                         debounce-interval = <10>;
0199                         wakeup-source;
0200                 };
0201         };
0202
0203         panel: panel {
0204                 /*
0205                  * edt,et057090dhu: EDT 5.7" LCD TFT
0206                  * edt,et070080dh6: EDT 7.0" LCD TFT
0207                  */
0208                 compatible = "edt,et057090dhu";
0209                 backlight = <&backlight>;
0210                 power-supply = <&reg_3v3>;
0211         };
0212
0213         reg_3v3: regulator-3v3 {
0214                 compatible = "regulator-fixed";
0215                 regulator-name = "3.3V";
0216                 regulator-min-microvolt = <3300000>;
0217                 regulator-max-microvolt = <3300000>;
0218         };
0219
0220         reg_5v0: regulator-5v0 {
0221                 compatible = "regulator-fixed";
0222                 regulator-name = "5V";
0223                 regulator-min-microvolt = <5000000>;
0224                 regulator-max-microvolt = <5000000>;
0225         };
0226
0227         reg_usbc_vbus: regulator-usbc-vbus {
0228                 compatible = "regulator-fixed";
0229                 regulator-name = "VCC_USB2";
0230                 regulator-min-microvolt = <5000000>;
0231                 regulator-max-microvolt = <5000000>;
0232                 vin-supply = <&reg_5v0>;
0233         };
0234
0235         /* USBH_PEN resp. USB_P_EN */
0236         reg_usbh_vbus: regulator-usbh-vbus {
0237                 compatible = "regulator-fixed";
0238                 regulator-name = "VCC_USB1";
0239                 regulator-min-microvolt = <5000000>;
0240                 regulator-max-microvolt = <5000000>;
0241                 gpio = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_LOW>;
0242                 vin-supply = <&reg_5v0>;
0243         };
0244 };