0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * Copyright (c) 2019 BayLibre SAS.
0004 * Author: Jerome Brunet <jbrunet@baylibre.com>
0005 */
0006
0007 /* Libretech Amlogic GX PC form factor - AKA: Tartiflette */
0008
0009 #include <dt-bindings/input/input.h>
0010 #include <dt-bindings/leds/common.h>
0011 #include <dt-bindings/sound/meson-aiu.h>
0012
0013 / {
0014 adc-keys {
0015 compatible = "adc-keys";
0016 io-channels = <&saradc 0>;
0017 io-channel-names = "buttons";
0018 keyup-threshold-microvolt = <1800000>;
0019
0020 update-button {
0021 label = "update";
0022 linux,code = <KEY_VENDOR>;
0023 press-threshold-microvolt = <1300000>;
0024 };
0025 };
0026
0027 aliases {
0028 serial0 = &uart_AO;
0029 ethernet0 = ðmac;
0030 spi0 = &spifc;
0031 };
0032
0033 dio2133: analog-amplifier {
0034 compatible = "simple-audio-amplifier";
0035 sound-name-prefix = "AU2";
0036 VCC-supply = <&vcc5v>;
0037 enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
0038 };
0039
0040 chosen {
0041 stdout-path = "serial0:115200n8";
0042 };
0043
0044 cvbs-connector {
0045 compatible = "composite-video-connector";
0046 status = "disabled";
0047
0048 port {
0049 cvbs_connector_in: endpoint {
0050 remote-endpoint = <&cvbs_vdac_out>;
0051 };
0052 };
0053 };
0054
0055 emmc_pwrseq: emmc-pwrseq {
0056 compatible = "mmc-pwrseq-emmc";
0057 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
0058 };
0059
0060 hdmi-connector {
0061 compatible = "hdmi-connector";
0062 type = "a";
0063
0064 port {
0065 hdmi_connector_in: endpoint {
0066 remote-endpoint = <&hdmi_tx_tmds_out>;
0067 };
0068 };
0069 };
0070
0071 gpio-keys-polled {
0072 compatible = "gpio-keys-polled";
0073 poll-interval = <100>;
0074
0075 power-button {
0076 label = "power";
0077 linux,code = <KEY_POWER>;
0078 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
0079 };
0080 };
0081
0082 memory@0 {
0083 device_type = "memory";
0084 reg = <0x0 0x0 0x0 0x80000000>;
0085 };
0086
0087 ao_5v: regulator-ao_5v {
0088 compatible = "regulator-fixed";
0089 regulator-name = "AO_5V";
0090 regulator-min-microvolt = <5000000>;
0091 regulator-max-microvolt = <5000000>;
0092 vin-supply = <&dc_in>;
0093 regulator-always-on;
0094 };
0095
0096 dc_in: regulator-dc_in {
0097 compatible = "regulator-fixed";
0098 regulator-name = "DC_IN";
0099 regulator-min-microvolt = <5000000>;
0100 regulator-max-microvolt = <5000000>;
0101 regulator-always-on;
0102 };
0103
0104 leds {
0105 compatible = "gpio-leds";
0106
0107 led-green {
0108 color = <LED_COLOR_ID_GREEN>;
0109 function = LED_FUNCTION_DISK_ACTIVITY;
0110 gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
0111 linux,default-trigger = "disk-activity";
0112 };
0113
0114 led-blue {
0115 color = <LED_COLOR_ID_BLUE>;
0116 function = LED_FUNCTION_STATUS;
0117 gpios = <&gpio GPIODV_28 GPIO_ACTIVE_HIGH>;
0118 linux,default-trigger = "heartbeat";
0119 panic-indicator;
0120 };
0121 };
0122
0123 vcc_card: regulator-vcc_card {
0124 compatible = "regulator-fixed";
0125 regulator-name = "VCC_CARD";
0126 regulator-min-microvolt = <3300000>;
0127 regulator-max-microvolt = <3300000>;
0128 vin-supply = <&vddio_ao3v3>;
0129
0130 gpio = <&gpio GPIODV_4 GPIO_ACTIVE_HIGH>;
0131 enable-active-high;
0132 };
0133
0134 vcc5v: regulator-vcc5v {
0135 compatible = "regulator-fixed";
0136 regulator-name = "VCC5V";
0137 regulator-min-microvolt = <5000000>;
0138 regulator-max-microvolt = <5000000>;
0139 vin-supply = <&ao_5v>;
0140
0141 gpio = <&gpio GPIOH_3 GPIO_OPEN_DRAIN>;
0142 };
0143
0144 vddio_ao18: regulator-vddio_ao18 {
0145 compatible = "regulator-fixed";
0146 regulator-name = "VDDIO_AO18";
0147 regulator-min-microvolt = <1800000>;
0148 regulator-max-microvolt = <1800000>;
0149 vin-supply = <&ao_5v>;
0150 regulator-always-on;
0151 };
0152
0153 vddio_ao3v3: regulator-vddio_ao3v3 {
0154 compatible = "regulator-fixed";
0155 regulator-name = "VDDIO_AO3V3";
0156 regulator-min-microvolt = <3300000>;
0157 regulator-max-microvolt = <3300000>;
0158 vin-supply = <&ao_5v>;
0159 regulator-always-on;
0160 };
0161
0162 vddio_boot: regulator-vddio_boot {
0163 compatible = "regulator-fixed";
0164 regulator-name = "VDDIO_BOOT";
0165 regulator-min-microvolt = <1800000>;
0166 regulator-max-microvolt = <1800000>;
0167 vin-supply = <&vddio_ao3v3>;
0168 regulator-always-on;
0169 };
0170
0171 vddio_card: regulator-vddio-card {
0172 compatible = "regulator-gpio";
0173 regulator-name = "VDDIO_CARD";
0174 regulator-min-microvolt = <1800000>;
0175 regulator-max-microvolt = <3300000>;
0176
0177 gpios = <&gpio GPIODV_5 GPIO_ACTIVE_HIGH>;
0178 gpios-states = <0>;
0179
0180 states = <3300000 0>,
0181 <1800000 1>;
0182
0183 regulator-settling-time-up-us = <200>;
0184 regulator-settling-time-down-us = <50000>;
0185 };
0186
0187 sound {
0188 compatible = "amlogic,gx-sound-card";
0189 model = "LIBRETECH-PC";
0190 audio-aux-devs = <&dio2133>;
0191 audio-widgets = "Speaker", "7J4-14 LEFT",
0192 "Speaker", "7J4-11 RIGHT";
0193 audio-routing = "AU2 INL", "ACODEC LOLN",
0194 "AU2 INR", "ACODEC LORN",
0195 "7J4-14 LEFT", "AU2 OUTL",
0196 "7J4-11 RIGHT", "AU2 OUTR";
0197 assigned-clocks = <&clkc CLKID_MPLL0>,
0198 <&clkc CLKID_MPLL1>,
0199 <&clkc CLKID_MPLL2>;
0200 assigned-clock-parents = <0>, <0>, <0>;
0201 assigned-clock-rates = <294912000>,
0202 <270950400>,
0203 <393216000>;
0204 status = "okay";
0205
0206 dai-link-0 {
0207 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
0208 };
0209
0210 dai-link-1 {
0211 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
0212 dai-format = "i2s";
0213 mclk-fs = <256>;
0214
0215 codec-0 {
0216 sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
0217 };
0218
0219 codec-1 {
0220 sound-dai = <&aiu AIU_ACODEC CTRL_I2S>;
0221 };
0222 };
0223
0224 dai-link-2 {
0225 sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
0226
0227 codec-0 {
0228 sound-dai = <&hdmi_tx>;
0229 };
0230 };
0231
0232 dai-link-3 {
0233 sound-dai = <&aiu AIU_ACODEC CTRL_OUT>;
0234
0235 codec-0 {
0236 sound-dai = <&acodec>;
0237 };
0238 };
0239 };
0240 };
0241
0242 &acodec {
0243 AVDD-supply = <&vddio_ao18>;
0244 status = "okay";
0245 };
0246
0247 &aiu {
0248 status = "okay";
0249 };
0250
0251 &cec_AO {
0252 pinctrl-0 = <&ao_cec_pins>;
0253 pinctrl-names = "default";
0254 hdmi-phandle = <&hdmi_tx>;
0255 status = "okay";
0256 };
0257
0258 &cvbs_vdac_port {
0259 cvbs_vdac_out: endpoint {
0260 remote-endpoint = <&cvbs_connector_in>;
0261 };
0262 };
0263
0264 ðmac {
0265 pinctrl-0 = <ð_pins>, <ð_phy_irq_pins>;
0266 pinctrl-names = "default";
0267 phy-handle = <&external_phy>;
0268 amlogic,tx-delay-ns = <2>;
0269 phy-mode = "rgmii";
0270 status = "okay";
0271 };
0272
0273 &external_mdio {
0274 external_phy: ethernet-phy@0 {
0275 reg = <0>;
0276 max-speed = <1000>;
0277 reset-assert-us = <10000>;
0278 reset-deassert-us = <30000>;
0279 reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
0280 interrupt-parent = <&gpio_intc>;
0281 interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
0282 };
0283 };
0284
0285 &pinctrl_periphs {
0286 /*
0287 * Make sure the reset pin of the usb HUB is driven high to take
0288 * it out of reset.
0289 */
0290 usb1_rst_pins: usb1_rst_irq {
0291 mux {
0292 groups = "GPIODV_3";
0293 function = "gpio_periphs";
0294 bias-disable;
0295 output-high;
0296 };
0297 };
0298
0299 /* Make sure the phy irq pin is properly configured as input */
0300 eth_phy_irq_pins: eth_phy_irq {
0301 mux {
0302 groups = "GPIOZ_15";
0303 function = "gpio_periphs";
0304 bias-disable;
0305 output-disable;
0306 };
0307 };
0308 };
0309
0310 &hdmi_tx {
0311 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
0312 pinctrl-names = "default";
0313 hdmi-supply = <&vcc5v>;
0314 status = "okay";
0315 };
0316
0317 &hdmi_tx_tmds_port {
0318 hdmi_tx_tmds_out: endpoint {
0319 remote-endpoint = <&hdmi_connector_in>;
0320 };
0321 };
0322
0323 &ir {
0324 pinctrl-0 = <&remote_input_ao_pins>;
0325 pinctrl-names = "default";
0326 status = "okay";
0327 };
0328
0329 &i2c_C {
0330 pinctrl-0 = <&i2c_c_dv18_pins>;
0331 pinctrl-names = "default";
0332 status = "okay";
0333
0334 rtc: rtc@51 {
0335 reg = <0x51>;
0336 compatible = "nxp,pcf8563";
0337 #clock-cells = <0>;
0338 clock-output-names = "rtc_clkout";
0339 };
0340 };
0341
0342 &pwm_AO_ab {
0343 pinctrl-0 = <&pwm_ao_a_3_pins>;
0344 pinctrl-names = "default";
0345 clocks = <&clkc CLKID_FCLK_DIV4>;
0346 clock-names = "clkin0";
0347 status = "okay";
0348 };
0349
0350 &pwm_ab {
0351 pinctrl-0 = <&pwm_b_pins>;
0352 pinctrl-names = "default";
0353 clocks = <&clkc CLKID_FCLK_DIV4>;
0354 clock-names = "clkin0";
0355 status = "okay";
0356 };
0357
0358 &pwm_ef {
0359 pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
0360 pinctrl-names = "default";
0361 clocks = <&clkc CLKID_FCLK_DIV4>;
0362 clock-names = "clkin0";
0363 status = "okay";
0364 };
0365
0366 &saradc {
0367 vref-supply = <&vddio_ao18>;
0368 status = "okay";
0369 };
0370
0371 /* SD card */
0372 &sd_emmc_b {
0373 pinctrl-0 = <&sdcard_pins>;
0374 pinctrl-1 = <&sdcard_clk_gate_pins>;
0375 pinctrl-names = "default", "clk-gate";
0376
0377 bus-width = <4>;
0378 cap-sd-highspeed;
0379 sd-uhs-sdr12;
0380 sd-uhs-sdr25;
0381 sd-uhs-sdr50;
0382 sd-uhs-ddr50;
0383 max-frequency = <200000000>;
0384 disable-wp;
0385
0386 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
0387
0388 vmmc-supply = <&vcc_card>;
0389 vqmmc-supply = <&vddio_card>;
0390
0391 status = "okay";
0392 };
0393
0394 /* eMMC */
0395 &sd_emmc_c {
0396 pinctrl-0 = <&emmc_pins>;
0397 pinctrl-1 = <&emmc_clk_gate_pins>;
0398 pinctrl-names = "default", "clk-gate";
0399
0400 bus-width = <8>;
0401 cap-mmc-highspeed;
0402 mmc-ddr-1_8v;
0403 mmc-hs200-1_8v;
0404 max-frequency = <200000000>;
0405 disable-wp;
0406
0407 mmc-pwrseq = <&emmc_pwrseq>;
0408 vmmc-supply = <&vddio_ao3v3>;
0409 vqmmc-supply = <&vddio_boot>;
0410
0411 status = "okay";
0412 };
0413
0414 &spifc {
0415 pinctrl-0 = <&nor_pins>;
0416 pinctrl-names = "default";
0417 status = "okay";
0418
0419 gd25lq128: flash@0 {
0420 compatible = "jedec,spi-nor";
0421 #address-cells = <1>;
0422 #size-cells = <1>;
0423 reg = <0>;
0424 spi-max-frequency = <12000000>;
0425 };
0426 };
0427
0428 &uart_AO {
0429 pinctrl-0 = <&uart_ao_a_pins>;
0430 pinctrl-names = "default";
0431 status = "okay";
0432 };
0433
0434 &usb {
0435 status = "okay";
0436 dr_mode = "host";
0437 };
0438
0439 &usb2_phy0 {
0440 pinctrl-0 = <&usb1_rst_pins>;
0441 pinctrl-names = "default";
0442 phy-supply = <&vcc5v>;
0443 };
0444
0445 &usb2_phy1 {
0446 phy-supply = <&vcc5v>;
0447 };
