// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Copyright (c) 2019 BayLibre, SAS * Author: Neil Armstrong * Copyright (c) 2019 Christian Hewitt * Copyright (c) 2022 Radxa Limited * Author: Yuntian Zhang */ /dts-v1/; #include "meson-g12b-a311d.dtsi" #include #include #include #include / { compatible = "radxa,zero2", "amlogic,a311d", "amlogic,g12b"; model = "Radxa Zero2"; aliases { serial0 = &uart_AO; serial2 = &uart_A; }; chosen { stdout-path = "serial0:115200n8"; }; memory@0 { device_type = "memory"; reg = <0x0 0x0 0x0 0x80000000>; }; gpio-keys-polled { compatible = "gpio-keys-polled"; poll-interval = <100>; power-button { label = "power"; linux,code = ; gpios = <&gpio_ao GPIOAO_3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; }; }; leds { compatible = "gpio-leds"; led-green { color = ; function = LED_FUNCTION_STATUS; gpios = <&gpio GPIOA_12 GPIO_ACTIVE_HIGH>; linux,default-trigger = "heartbeat"; }; }; hdmi-connector { compatible = "hdmi-connector"; type = "a"; port { hdmi_connector_in: endpoint { remote-endpoint = <&hdmi_tx_tmds_out>; }; }; }; emmc_pwrseq: emmc-pwrseq { compatible = "mmc-pwrseq-emmc"; reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>; }; sdio_pwrseq: sdio-pwrseq { compatible = "mmc-pwrseq-simple"; reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>; clocks = <&wifi32k>; clock-names = "ext_clock"; }; ao_5v: regulator-ao-5v { compatible = "regulator-fixed"; regulator-name = "AO_5V"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; regulator-always-on; }; vcc_1v8: regulator-vcc-1v8 { compatible = "regulator-fixed"; regulator-name = "VCC_1V8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; vin-supply = <&vcc_3v3>; regulator-always-on; }; vcc_3v3: regulator-vcc-3v3 { compatible = "regulator-fixed"; regulator-name = "VCC_3V3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; vin-supply = <&vddao_3v3>; regulator-always-on; /* FIXME: actually controlled by VDDCPU_B_EN */ }; vddao_1v8: regulator-vddao-1v8 { compatible = "regulator-fixed"; regulator-name = "VDDIO_AO1V8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; vin-supply = <&vddao_3v3>; regulator-always-on; }; vddao_3v3: regulator-vddao-3v3 { compatible = "regulator-fixed"; regulator-name = "VDDAO_3V3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; vin-supply = <&ao_5v>; regulator-always-on; }; vddcpu_a: regulator-vddcpu-a { /* * MP8756GD Regulator. */ compatible = "pwm-regulator"; regulator-name = "VDDCPU_A"; regulator-min-microvolt = <730000>; regulator-max-microvolt = <1022000>; pwm-supply = <&ao_5v>; pwms = <&pwm_ab 0 1250 0>; pwm-dutycycle-range = <100 0>; regulator-boot-on; regulator-always-on; }; vddcpu_b: regulator-vddcpu-b { /* * Silergy SY8120B1ABC Regulator. */ compatible = "pwm-regulator"; regulator-name = "VDDCPU_B"; regulator-min-microvolt = <730000>; regulator-max-microvolt = <1022000>; pwm-supply = <&ao_5v>; pwms = <&pwm_AO_cd 1 1250 0>; pwm-dutycycle-range = <100 0>; regulator-boot-on; regulator-always-on; }; sound { compatible = "amlogic,axg-sound-card"; model = "RADXA-ZERO2"; audio-aux-devs = <&tdmout_b>; audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1", "TDMOUT_B IN 1", "FRDDR_B OUT 1", "TDMOUT_B IN 2", "FRDDR_C OUT 1", "TDM_B Playback", "TDMOUT_B OUT"; assigned-clocks = <&clkc CLKID_MPLL2>, <&clkc CLKID_MPLL0>, <&clkc CLKID_MPLL1>; assigned-clock-parents = <0>, <0>, <0>; assigned-clock-rates = <294912000>, <270950400>, <393216000>; dai-link-0 { sound-dai = <&frddr_a>; }; dai-link-1 { sound-dai = <&frddr_b>; }; dai-link-2 { sound-dai = <&frddr_c>; }; /* 8ch hdmi interface */ dai-link-3 { sound-dai = <&tdmif_b>; dai-format = "i2s"; dai-tdm-slot-tx-mask-0 = <1 1>; dai-tdm-slot-tx-mask-1 = <1 1>; dai-tdm-slot-tx-mask-2 = <1 1>; dai-tdm-slot-tx-mask-3 = <1 1>; mclk-fs = <256>; codec { sound-dai = <&tohdmitx TOHDMITX_I2S_IN_B>; }; }; /* hdmi glue */ dai-link-4 { sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>; codec { sound-dai = <&hdmi_tx>; }; }; }; wifi32k: clock-0 { compatible = "pwm-clock"; #clock-cells = <0>; clock-frequency = <32768>; pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */ }; }; &arb { status = "okay"; }; &cec_AO { pinctrl-0 = <&cec_ao_a_h_pins>; pinctrl-names = "default"; status = "disabled"; hdmi-phandle = <&hdmi_tx>; }; &cecb_AO { pinctrl-0 = <&cec_ao_b_h_pins>; pinctrl-names = "default"; status = "okay"; hdmi-phandle = <&hdmi_tx>; }; &clkc_audio { status = "okay"; }; &cpu0 { cpu-supply = <&vddcpu_b>; operating-points-v2 = <&cpu_opp_table_0>; clocks = <&clkc CLKID_CPU_CLK>; clock-latency = <50000>; }; &cpu1 { cpu-supply = <&vddcpu_b>; operating-points-v2 = <&cpu_opp_table_0>; clocks = <&clkc CLKID_CPU_CLK>; clock-latency = <50000>; }; &cpu100 { cpu-supply = <&vddcpu_a>; operating-points-v2 = <&cpub_opp_table_1>; clocks = <&clkc CLKID_CPUB_CLK>; clock-latency = <50000>; }; &cpu101 { cpu-supply = <&vddcpu_a>; operating-points-v2 = <&cpub_opp_table_1>; clocks = <&clkc CLKID_CPUB_CLK>; clock-latency = <50000>; }; &cpu102 { cpu-supply = <&vddcpu_a>; operating-points-v2 = <&cpub_opp_table_1>; clocks = <&clkc CLKID_CPUB_CLK>; clock-latency = <50000>; }; &cpu103 { cpu-supply = <&vddcpu_a>; operating-points-v2 = <&cpub_opp_table_1>; clocks = <&clkc CLKID_CPUB_CLK>; clock-latency = <50000>; }; &frddr_a { status = "okay"; }; &frddr_b { status = "okay"; }; &frddr_c { status = "okay"; }; &gpio { gpio-line-names = /* GPIOZ */ "PIN_27", "PIN_28", "PIN_7", "PIN_11", "PIN_13", "PIN_15", "PIN_18", "PIN_40", "", "", "", "", "", "", "", "", /* GPIOH */ "", "", "", "", "PIN_19", "PIN_21", "PIN_24", "PIN_23", "", /* BOOT */ "", "", "", "", "", "", "", "", "", "", "", "", "EMMC_PWRSEQ", "", "", "", /* GPIOC */ "", "", "", "", "", "", "SD_CD", "PIN_36", /* GPIOA */ "PIN_32", "PIN_12", "PIN_35", "", "", "PIN_38", "", "", "", "", "", "", "LED_GREEN", "PIN_31", "PIN_3", "PIN_5", /* GPIOX */ "", "", "", "", "", "", "SDIO_PWRSEQ", "", "", "", "", "", "", "", "", "", "", "BT_SHUTDOWN", "", ""; }; &gpio_ao { gpio-line-names = /* GPIOAO */ "PIN_8", "PIN_10", "", "BTN_POWER", "", "", "", "PIN_29", "PIN_33", "PIN_37", "FAN", "", /* GPIOE */ "", "", ""; }; &hdmi_tx { status = "okay"; pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>; pinctrl-names = "default"; hdmi-supply = <&ao_5v>; }; &hdmi_tx_tmds_port { hdmi_tx_tmds_out: endpoint { remote-endpoint = <&hdmi_connector_in>; }; }; &ir { status = "disabled"; pinctrl-0 = <&remote_input_ao_pins>; pinctrl-names = "default"; }; &pwm_ab { pinctrl-0 = <&pwm_a_e_pins>; pinctrl-names = "default"; clocks = <&xtal>; clock-names = "clkin0"; status = "okay"; }; &pwm_ef { pinctrl-0 = <&pwm_e_pins>; pinctrl-names = "default"; clocks = <&xtal>; clock-names = "clkin0"; status = "okay"; }; &pwm_AO_ab { pinctrl-0 = <&pwm_ao_a_pins>; pinctrl-names = "default"; clocks = <&xtal>; clock-names = "clkin0"; status = "okay"; }; &pwm_AO_cd { pinctrl-0 = <&pwm_ao_d_e_pins>; pinctrl-names = "default"; clocks = <&xtal>; clock-names = "clkin1"; status = "okay"; }; &saradc { status = "okay"; vref-supply = <&vddao_1v8>; }; /* SDIO */ &sd_emmc_a { status = "okay"; pinctrl-0 = <&sdio_pins>; pinctrl-1 = <&sdio_clk_gate_pins>; pinctrl-names = "default", "clk-gate"; #address-cells = <1>; #size-cells = <0>; bus-width = <4>; cap-sd-highspeed; max-frequency = <100000000>; non-removable; disable-wp; /* WiFi firmware requires power to be kept while in suspend */ keep-power-in-suspend; mmc-pwrseq = <&sdio_pwrseq>; vmmc-supply = <&vddao_3v3>; vqmmc-supply = <&vddao_1v8>; brcmf: wifi@1 { reg = <1>; compatible = "brcm,bcm4329-fmac"; }; }; /* SD card */ &sd_emmc_b { status = "okay"; pinctrl-0 = <&sdcard_c_pins>; pinctrl-1 = <&sdcard_clk_gate_c_pins>; pinctrl-names = "default", "clk-gate"; bus-width = <4>; cap-sd-highspeed; max-frequency = <50000000>; disable-wp; cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>; vmmc-supply = <&vddao_3v3>; vqmmc-supply = <&vddao_3v3>; }; /* eMMC */ &sd_emmc_c { status = "okay"; pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>; pinctrl-1 = <&emmc_clk_gate_pins>; pinctrl-names = "default", "clk-gate"; bus-width = <8>; cap-mmc-highspeed; mmc-ddr-1_8v; mmc-hs200-1_8v; max-frequency = <200000000>; disable-wp; mmc-pwrseq = <&emmc_pwrseq>; vmmc-supply = <&vcc_3v3>; vqmmc-supply = <&vcc_1v8>; }; &tdmif_b { status = "okay"; }; &tdmout_b { status = "okay"; }; &tohdmitx { status = "okay"; }; &uart_A { status = "okay"; pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>; pinctrl-names = "default"; uart-has-rtscts; bluetooth { compatible = "brcm,bcm43438-bt"; shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>; max-speed = <2000000>; clocks = <&wifi32k>; clock-names = "lpo"; }; }; &uart_AO { status = "okay"; pinctrl-0 = <&uart_ao_a_pins>; pinctrl-names = "default"; }; &usb { status = "okay"; };