0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003 * Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
0004 * Copyright (c) 2017 BayLibre, SAS
0005 * Author: Neil Armstrong <narmstrong@baylibre.com>
0006 */
0007
0008 /dts-v1/;
0009
0010 #include "meson-gxm.dtsi"
0011 #include <dt-bindings/input/input.h>
0012 #include <dt-bindings/sound/meson-aiu.h>
0013
0014 / {
0015 compatible = "khadas,vim2", "amlogic,s912", "amlogic,meson-gxm";
0016 model = "Khadas VIM2";
0017
0018 aliases {
0019 serial0 = &uart_AO;
0020 serial2 = &uart_AO_B;
0021 };
0022
0023 chosen {
0024 stdout-path = "serial0:115200n8";
0025 };
0026
0027 memory@0 {
0028 device_type = "memory";
0029 reg = <0x0 0x0 0x0 0x80000000>;
0030 };
0031
0032 adc-keys {
0033 compatible = "adc-keys";
0034 io-channels = <&saradc 0>;
0035 io-channel-names = "buttons";
0036 keyup-threshold-microvolt = <1710000>;
0037
0038 button-function {
0039 label = "Function";
0040 linux,code = <KEY_FN>;
0041 press-threshold-microvolt = <10000>;
0042 };
0043 };
0044
0045 emmc_pwrseq: emmc-pwrseq {
0046 compatible = "mmc-pwrseq-emmc";
0047 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
0048 };
0049
0050 gpio_fan: gpio-fan {
0051 compatible = "gpio-fan";
0052 gpios = <&gpio GPIODV_14 GPIO_ACTIVE_HIGH
0053 &gpio GPIODV_15 GPIO_ACTIVE_HIGH>;
0054 /* Dummy RPM values since fan is optional */
0055 gpio-fan,speed-map = <0 0
0056 1 1
0057 2 2
0058 3 3>;
0059 #cooling-cells = <2>;
0060 };
0061
0062 gpio-keys-polled {
0063 compatible = "gpio-keys-polled";
0064 poll-interval = <100>;
0065
0066 power-button {
0067 label = "power";
0068 linux,code = <KEY_POWER>;
0069 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
0070 };
0071 };
0072
0073 hdmi-connector {
0074 compatible = "hdmi-connector";
0075 type = "a";
0076
0077 port {
0078 hdmi_connector_in: endpoint {
0079 remote-endpoint = <&hdmi_tx_tmds_out>;
0080 };
0081 };
0082 };
0083
0084 led-controller {
0085 compatible = "pwm-leds";
0086
0087 led-1 {
0088 label = "vim:red:power";
0089 pwms = <&pwm_AO_ab 1 7812500 0>;
0090 max-brightness = <255>;
0091 linux,default-trigger = "default-on";
0092 };
0093 };
0094
0095 sdio_pwrseq: sdio-pwrseq {
0096 compatible = "mmc-pwrseq-simple";
0097 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
0098 clocks = <&wifi32k>;
0099 clock-names = "ext_clock";
0100 };
0101
0102 hdmi_5v: regulator-hdmi-5v {
0103 compatible = "regulator-fixed";
0104
0105 regulator-name = "HDMI_5V";
0106 regulator-min-microvolt = <5000000>;
0107 regulator-max-microvolt = <5000000>;
0108
0109 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
0110 enable-active-high;
0111 regulator-always-on;
0112 };
0113
0114 vcc_3v3: regulator-vcc_3v3 {
0115 compatible = "regulator-fixed";
0116 regulator-name = "VCC_3V3";
0117 regulator-min-microvolt = <3300000>;
0118 regulator-max-microvolt = <3300000>;
0119 };
0120
0121 vddio_ao18: regulator-vddio_ao18 {
0122 compatible = "regulator-fixed";
0123 regulator-name = "VDDIO_AO18";
0124 regulator-min-microvolt = <1800000>;
0125 regulator-max-microvolt = <1800000>;
0126 };
0127
0128 vddio_boot: regulator-vddio_boot {
0129 compatible = "regulator-fixed";
0130 regulator-name = "VDDIO_BOOT";
0131 regulator-min-microvolt = <1800000>;
0132 regulator-max-microvolt = <1800000>;
0133 };
0134
0135 vddao_3v3: regulator-vddao_3v3 {
0136 compatible = "regulator-fixed";
0137 regulator-name = "VDDAO_3V3";
0138 regulator-min-microvolt = <3300000>;
0139 regulator-max-microvolt = <3300000>;
0140 };
0141
0142 wifi32k: wifi32k {
0143 compatible = "pwm-clock";
0144 #clock-cells = <0>;
0145 clock-frequency = <32768>;
0146 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
0147 };
0148
0149 sound {
0150 compatible = "amlogic,gx-sound-card";
0151 model = "KHADAS-VIM2";
0152 assigned-clocks = <&clkc CLKID_MPLL0>,
0153 <&clkc CLKID_MPLL1>,
0154 <&clkc CLKID_MPLL2>;
0155 assigned-clock-parents = <0>, <0>, <0>;
0156 assigned-clock-rates = <294912000>,
0157 <270950400>,
0158 <393216000>;
0159 status = "okay";
0160
0161 dai-link-0 {
0162 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
0163 };
0164
0165 dai-link-1 {
0166 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
0167 dai-format = "i2s";
0168 mclk-fs = <256>;
0169
0170 codec-0 {
0171 sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
0172 };
0173 };
0174
0175 dai-link-2 {
0176 sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
0177
0178 codec-0 {
0179 sound-dai = <&hdmi_tx>;
0180 };
0181 };
0182 };
0183 };
0184
0185 &aiu {
0186 status = "okay";
0187 };
0188
0189 &cec_AO {
0190 status = "okay";
0191 pinctrl-0 = <&ao_cec_pins>;
0192 pinctrl-names = "default";
0193 hdmi-phandle = <&hdmi_tx>;
0194 };
0195
0196 &cpu_cooling_maps {
0197 map0 {
0198 cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
0199 };
0200
0201 map1 {
0202 cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>,
0203 <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
0204 <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
0205 <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
0206 <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
0207 <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
0208 <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
0209 <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
0210 <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
0211 };
0212 };
0213
0214 ðmac {
0215 pinctrl-0 = <ð_pins>;
0216 pinctrl-names = "default";
0217
0218 /* Select external PHY by default */
0219 phy-handle = <&external_phy>;
0220
0221 amlogic,tx-delay-ns = <2>;
0222
0223 /* External PHY is in RGMII */
0224 phy-mode = "rgmii";
0225
0226 status = "okay";
0227 };
0228
0229 &external_mdio {
0230 external_phy: ethernet-phy@0 {
0231 /* Realtek RTL8211F (0x001cc916) */
0232 reg = <0>;
0233
0234 reset-assert-us = <10000>;
0235 reset-deassert-us = <80000>;
0236 reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
0237
0238 interrupt-parent = <&gpio_intc>;
0239 /* MAC_INTR on GPIOZ_15 */
0240 interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
0241 };
0242 };
0243
0244 &hdmi_tx {
0245 status = "okay";
0246 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
0247 pinctrl-names = "default";
0248 hdmi-supply = <&hdmi_5v>;
0249 };
0250
0251 &hdmi_tx_tmds_port {
0252 hdmi_tx_tmds_out: endpoint {
0253 remote-endpoint = <&hdmi_connector_in>;
0254 };
0255 };
0256
0257 &i2c_A {
0258 status = "okay";
0259 pinctrl-0 = <&i2c_a_pins>;
0260 pinctrl-names = "default";
0261 };
0262
0263 &i2c_B {
0264 status = "okay";
0265 pinctrl-0 = <&i2c_b_pins>;
0266 pinctrl-names = "default";
0267
0268 rtc: rtc@51 {
0269 status = "okay";
0270 compatible = "haoyu,hym8563";
0271 reg = <0x51>;
0272 #clock-cells = <0>;
0273 clock-frequency = <32768>;
0274 clock-output-names = "xin32k";
0275 };
0276 };
0277
0278 &ir {
0279 status = "okay";
0280 pinctrl-0 = <&remote_input_ao_pins>;
0281 pinctrl-names = "default";
0282 linux,rc-map-name = "rc-khadas";
0283 };
0284
0285 &pwm_AO_ab {
0286 status = "okay";
0287 pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
0288 pinctrl-names = "default";
0289 clocks = <&clkc CLKID_FCLK_DIV4>;
0290 clock-names = "clkin0";
0291 };
0292
0293 &pwm_ef {
0294 status = "okay";
0295 pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
0296 pinctrl-names = "default";
0297 clocks = <&clkc CLKID_FCLK_DIV4>;
0298 clock-names = "clkin0";
0299 };
0300
0301 &sd_emmc_a {
0302 status = "okay";
0303 pinctrl-0 = <&sdio_pins>;
0304 pinctrl-1 = <&sdio_clk_gate_pins>;
0305 pinctrl-names = "default", "clk-gate";
0306 #address-cells = <1>;
0307 #size-cells = <0>;
0308
0309 bus-width = <4>;
0310 cap-sd-highspeed;
0311 max-frequency = <100000000>;
0312
0313 non-removable;
0314 disable-wp;
0315
0316 /* WiFi firmware requires power to be kept while in suspend */
0317 keep-power-in-suspend;
0318
0319 mmc-pwrseq = <&sdio_pwrseq>;
0320
0321 vmmc-supply = <&vddao_3v3>;
0322 vqmmc-supply = <&vddio_boot>;
0323
0324 brcmf: wifi@1 {
0325 reg = <1>;
0326 compatible = "brcm,bcm4329-fmac";
0327 };
0328 };
0329
0330 /* SD card */
0331 &sd_emmc_b {
0332 status = "okay";
0333 pinctrl-0 = <&sdcard_pins>;
0334 pinctrl-1 = <&sdcard_clk_gate_pins>;
0335 pinctrl-names = "default", "clk-gate";
0336
0337 bus-width = <4>;
0338 cap-sd-highspeed;
0339 max-frequency = <50000000>;
0340 disable-wp;
0341
0342 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
0343
0344 vmmc-supply = <&vddao_3v3>;
0345 vqmmc-supply = <&vddio_boot>;
0346 };
0347
0348 /* eMMC */
0349 &sd_emmc_c {
0350 status = "okay";
0351 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
0352 pinctrl-1 = <&emmc_clk_gate_pins>;
0353 pinctrl-names = "default", "clk-gate";
0354
0355 bus-width = <8>;
0356 cap-mmc-highspeed;
0357 max-frequency = <200000000>;
0358 non-removable;
0359 disable-wp;
0360 mmc-ddr-1_8v;
0361 mmc-hs200-1_8v;
0362
0363 mmc-pwrseq = <&emmc_pwrseq>;
0364 vmmc-supply = <&vcc_3v3>;
0365 vqmmc-supply = <&vddio_boot>;
0366 };
0367
0368 /*
0369 * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
0370 * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
0371 */
0372 &spifc {
0373 status = "disabled";
0374 pinctrl-0 = <&nor_pins>;
0375 pinctrl-names = "default";
0376
0377 w25q32: flash@0 {
0378 #address-cells = <1>;
0379 #size-cells = <1>;
0380 compatible = "winbond,w25q16", "jedec,spi-nor";
0381 reg = <0>;
0382 spi-max-frequency = <104000000>;
0383 };
0384 };
0385
0386 /* This one is connected to the Bluetooth module */
0387 &uart_A {
0388 status = "okay";
0389 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
0390 pinctrl-names = "default";
0391 uart-has-rtscts;
0392
0393 bluetooth {
0394 compatible = "brcm,bcm43438-bt";
0395 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
0396 max-speed = <2000000>;
0397 clocks = <&wifi32k>;
0398 clock-names = "lpo";
0399 };
0400 };
0401
0402 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
0403 &uart_AO {
0404 status = "okay";
0405 pinctrl-0 = <&uart_ao_a_pins>;
0406 pinctrl-names = "default";
0407 };
0408
0409 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
0410 &uart_AO_B {
0411 status = "okay";
0412 pinctrl-0 = <&uart_ao_b_pins>;
0413 pinctrl-names = "default";
0414 };
0415
0416 &saradc {
0417 status = "okay";
0418 vref-supply = <&vddio_ao18>;
0419 };
0420
0421 &usb {
0422 status = "okay";
0423 dr_mode = "peripheral";
0424 };
