0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003 * Copyright (c) 2018 BayLibre SAS. All rights reserved.
0004 */
0005
0006 /dts-v1/;
0007
0008 #include "meson-g12a.dtsi"
0009 #include <dt-bindings/gpio/meson-g12a-gpio.h>
0010 #include <dt-bindings/sound/meson-g12a-tohdmitx.h>
0011
0012 / {
0013 compatible = "radxa,zero", "amlogic,g12a";
0014 model = "Radxa Zero";
0015
0016 aliases {
0017 serial0 = &uart_AO;
0018 };
0019
0020 chosen {
0021 stdout-path = "serial0:115200n8";
0022 };
0023
0024 memory@0 {
0025 device_type = "memory";
0026 reg = <0x0 0x0 0x0 0x40000000>;
0027 };
0028
0029 cvbs-connector {
0030 status = "disabled";
0031 compatible = "composite-video-connector";
0032
0033 port {
0034 cvbs_connector_in: endpoint {
0035 remote-endpoint = <&cvbs_vdac_out>;
0036 };
0037 };
0038 };
0039
0040 hdmi-connector {
0041 compatible = "hdmi-connector";
0042 type = "a";
0043
0044 port {
0045 hdmi_connector_in: endpoint {
0046 remote-endpoint = <&hdmi_tx_tmds_out>;
0047 };
0048 };
0049 };
0050
0051 emmc_pwrseq: emmc-pwrseq {
0052 compatible = "mmc-pwrseq-emmc";
0053 reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
0054 };
0055
0056 sdio_pwrseq: sdio-pwrseq {
0057 compatible = "mmc-pwrseq-simple";
0058 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
0059 clocks = <&wifi32k>;
0060 clock-names = "ext_clock";
0061 };
0062
0063 ao_5v: regulator-ao_5v {
0064 compatible = "regulator-fixed";
0065 regulator-name = "AO_5V";
0066 regulator-min-microvolt = <5000000>;
0067 regulator-max-microvolt = <5000000>;
0068 regulator-always-on;
0069 };
0070
0071 vcc_1v8: regulator-vcc_1v8 {
0072 compatible = "regulator-fixed";
0073 regulator-name = "VCC_1V8";
0074 regulator-min-microvolt = <1800000>;
0075 regulator-max-microvolt = <1800000>;
0076 vin-supply = <&vcc_3v3>;
0077 regulator-always-on;
0078 };
0079
0080 vcc_3v3: regulator-vcc_3v3 {
0081 compatible = "regulator-fixed";
0082 regulator-name = "VCC_3V3";
0083 regulator-min-microvolt = <3300000>;
0084 regulator-max-microvolt = <3300000>;
0085 vin-supply = <&vddao_3v3>;
0086 regulator-always-on;
0087 };
0088
0089 hdmi_pw: regulator-hdmi_pw {
0090 compatible = "regulator-fixed";
0091 regulator-name = "HDMI_PW";
0092 regulator-min-microvolt = <5000000>;
0093 regulator-max-microvolt = <5000000>;
0094 vin-supply = <&ao_5v>;
0095 regulator-always-on;
0096 };
0097
0098 vddao_1v8: regulator-vddao_1v8 {
0099 compatible = "regulator-fixed";
0100 regulator-name = "VDDAO_1V8";
0101 regulator-min-microvolt = <1800000>;
0102 regulator-max-microvolt = <1800000>;
0103 vin-supply = <&vddao_3v3>;
0104 regulator-always-on;
0105 };
0106
0107 vddao_3v3: regulator-vddao_3v3 {
0108 compatible = "regulator-fixed";
0109 regulator-name = "VDDAO_3V3";
0110 regulator-min-microvolt = <3300000>;
0111 regulator-max-microvolt = <3300000>;
0112 vin-supply = <&ao_5v>;
0113 regulator-always-on;
0114 };
0115
0116 vddcpu: regulator-vddcpu {
0117 compatible = "pwm-regulator";
0118
0119 regulator-name = "VDDCPU";
0120 regulator-min-microvolt = <721000>;
0121 regulator-max-microvolt = <1022000>;
0122
0123 vin-supply = <&ao_5v>;
0124
0125 pwms = <&pwm_AO_cd 1 1250 0>;
0126 pwm-dutycycle-range = <100 0>;
0127
0128 regulator-boot-on;
0129 regulator-always-on;
0130 };
0131
0132 sound {
0133 compatible = "amlogic,axg-sound-card";
0134 model = "RADXA-ZERO";
0135 audio-aux-devs = <&tdmout_b>;
0136 audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
0137 "TDMOUT_B IN 1", "FRDDR_B OUT 1",
0138 "TDMOUT_B IN 2", "FRDDR_C OUT 1",
0139 "TDM_B Playback", "TDMOUT_B OUT";
0140
0141 assigned-clocks = <&clkc CLKID_MPLL2>,
0142 <&clkc CLKID_MPLL0>,
0143 <&clkc CLKID_MPLL1>;
0144 assigned-clock-parents = <0>, <0>, <0>;
0145 assigned-clock-rates = <294912000>,
0146 <270950400>,
0147 <393216000>;
0148 status = "okay";
0149
0150 dai-link-0 {
0151 sound-dai = <&frddr_a>;
0152 };
0153
0154 dai-link-1 {
0155 sound-dai = <&frddr_b>;
0156 };
0157
0158 dai-link-2 {
0159 sound-dai = <&frddr_c>;
0160 };
0161
0162 /* 8ch hdmi interface */
0163 dai-link-3 {
0164 sound-dai = <&tdmif_b>;
0165 dai-format = "i2s";
0166 dai-tdm-slot-tx-mask-0 = <1 1>;
0167 dai-tdm-slot-tx-mask-1 = <1 1>;
0168 dai-tdm-slot-tx-mask-2 = <1 1>;
0169 dai-tdm-slot-tx-mask-3 = <1 1>;
0170 mclk-fs = <256>;
0171
0172 codec {
0173 sound-dai = <&tohdmitx TOHDMITX_I2S_IN_B>;
0174 };
0175 };
0176
0177 dai-link-4 {
0178 sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
0179
0180 codec {
0181 sound-dai = <&hdmi_tx>;
0182 };
0183 };
0184 };
0185
0186 wifi32k: wifi32k {
0187 compatible = "pwm-clock";
0188 #clock-cells = <0>;
0189 clock-frequency = <32768>;
0190 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
0191 };
0192 };
0193
0194 &arb {
0195 status = "okay";
0196 };
0197
0198 &cec_AO {
0199 pinctrl-0 = <&cec_ao_a_h_pins>;
0200 pinctrl-names = "default";
0201 status = "disabled";
0202 hdmi-phandle = <&hdmi_tx>;
0203 };
0204
0205 &cecb_AO {
0206 pinctrl-0 = <&cec_ao_b_h_pins>;
0207 pinctrl-names = "default";
0208 status = "okay";
0209 hdmi-phandle = <&hdmi_tx>;
0210 };
0211
0212 &clkc_audio {
0213 status = "okay";
0214 };
0215
0216 &cpu0 {
0217 cpu-supply = <&vddcpu>;
0218 operating-points-v2 = <&cpu_opp_table>;
0219 clocks = <&clkc CLKID_CPU_CLK>;
0220 clock-latency = <50000>;
0221 };
0222
0223 &cpu1 {
0224 cpu-supply = <&vddcpu>;
0225 operating-points-v2 = <&cpu_opp_table>;
0226 clocks = <&clkc CLKID_CPU_CLK>;
0227 clock-latency = <50000>;
0228 };
0229
0230 &cpu2 {
0231 cpu-supply = <&vddcpu>;
0232 operating-points-v2 = <&cpu_opp_table>;
0233 clocks = <&clkc CLKID_CPU_CLK>;
0234 clock-latency = <50000>;
0235 };
0236
0237 &cpu3 {
0238 cpu-supply = <&vddcpu>;
0239 operating-points-v2 = <&cpu_opp_table>;
0240 clocks = <&clkc CLKID_CPU_CLK>;
0241 clock-latency = <50000>;
0242 };
0243
0244 &cvbs_vdac_port {
0245 cvbs_vdac_out: endpoint {
0246 remote-endpoint = <&cvbs_connector_in>;
0247 };
0248 };
0249
0250 &frddr_a {
0251 status = "okay";
0252 };
0253
0254 &frddr_b {
0255 status = "okay";
0256 };
0257
0258 &frddr_c {
0259 status = "okay";
0260 };
0261
0262 &hdmi_tx {
0263 status = "okay";
0264 pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
0265 pinctrl-names = "default";
0266 hdmi-supply = <&hdmi_pw>;
0267 };
0268
0269 &hdmi_tx_tmds_port {
0270 hdmi_tx_tmds_out: endpoint {
0271 remote-endpoint = <&hdmi_connector_in>;
0272 };
0273 };
0274
0275 &ir {
0276 status = "disabled";
0277 pinctrl-0 = <&remote_input_ao_pins>;
0278 pinctrl-names = "default";
0279 };
0280
0281 &pwm_AO_cd {
0282 pinctrl-0 = <&pwm_ao_d_e_pins>;
0283 pinctrl-names = "default";
0284 clocks = <&xtal>;
0285 clock-names = "clkin1";
0286 status = "okay";
0287 };
0288
0289 &pwm_ef {
0290 status = "okay";
0291 pinctrl-0 = <&pwm_e_pins>;
0292 pinctrl-names = "default";
0293 clocks = <&xtal>;
0294 clock-names = "clkin0";
0295 };
0296
0297 &saradc {
0298 status = "okay";
0299 vref-supply = <&vddao_1v8>;
0300 };
0301
0302 /* SDIO */
0303 &sd_emmc_a {
0304 status = "okay";
0305 pinctrl-0 = <&sdio_pins>;
0306 pinctrl-1 = <&sdio_clk_gate_pins>;
0307 pinctrl-names = "default", "clk-gate";
0308 #address-cells = <1>;
0309 #size-cells = <0>;
0310
0311 bus-width = <4>;
0312 cap-sd-highspeed;
0313 sd-uhs-sdr50;
0314 max-frequency = <100000000>;
0315
0316 non-removable;
0317 disable-wp;
0318
0319 /* WiFi firmware requires power to be kept while in suspend */
0320 keep-power-in-suspend;
0321
0322 mmc-pwrseq = <&sdio_pwrseq>;
0323
0324 vmmc-supply = <&vddao_3v3>;
0325 vqmmc-supply = <&vddao_1v8>;
0326
0327 brcmf: wifi@1 {
0328 reg = <1>;
0329 compatible = "brcm,bcm4329-fmac";
0330 };
0331 };
0332
0333 /* SD card */
0334 &sd_emmc_b {
0335 status = "okay";
0336 pinctrl-0 = <&sdcard_c_pins>;
0337 pinctrl-1 = <&sdcard_clk_gate_c_pins>;
0338 pinctrl-names = "default", "clk-gate";
0339
0340 bus-width = <4>;
0341 cap-sd-highspeed;
0342 max-frequency = <100000000>;
0343 disable-wp;
0344
0345 cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
0346 vmmc-supply = <&vddao_3v3>;
0347 vqmmc-supply = <&vddao_3v3>;
0348 };
0349
0350 /* eMMC */
0351 &sd_emmc_c {
0352 status = "okay";
0353 pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
0354 pinctrl-1 = <&emmc_clk_gate_pins>;
0355 pinctrl-names = "default", "clk-gate";
0356
0357 bus-width = <8>;
0358 cap-mmc-highspeed;
0359 mmc-ddr-1_8v;
0360 mmc-hs200-1_8v;
0361 max-frequency = <200000000>;
0362 disable-wp;
0363
0364 mmc-pwrseq = <&emmc_pwrseq>;
0365 vmmc-supply = <&vcc_3v3>;
0366 vqmmc-supply = <&vcc_1v8>;
0367 };
0368
0369 &tdmif_b {
0370 status = "okay";
0371 };
0372
0373 &tdmout_b {
0374 status = "okay";
0375 };
0376
0377 &tohdmitx {
0378 status = "okay";
0379 };
0380
0381 &uart_A {
0382 status = "okay";
0383 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
0384 pinctrl-names = "default";
0385 uart-has-rtscts;
0386
0387 bluetooth {
0388 compatible = "brcm,bcm43438-bt";
0389 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
0390 max-speed = <2000000>;
0391 clocks = <&wifi32k>;
0392 clock-names = "lpo";
0393 };
0394 };
0395
0396 &uart_AO {
0397 status = "okay";
0398 pinctrl-0 = <&uart_ao_a_pins>;
0399 pinctrl-names = "default";
0400 };
0401
0402 &usb {
0403 status = "okay";
0404 dr_mode = "host";
0405 };
