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      1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
      2 /*
      3  * Copyright (c) 2017 Andreas Frber
      4  */
      5 
      6 /dts-v1/;
      7 
      8 #include "meson-gxbb.dtsi"
      9 #include <dt-bindings/gpio/gpio.h>
     10 #include <dt-bindings/sound/meson-aiu.h>
     11 
     12 / {
     13 	compatible = "friendlyarm,nanopi-k2", "amlogic,meson-gxbb";
     14 	model = "FriendlyARM NanoPi K2";
     15 
     16 	aliases {
     17 		serial0 = &uart_AO;
     18 		ethernet0 = &ethmac;
     19 	};
     20 
     21 	chosen {
     22 		stdout-path = "serial0:115200n8";
     23 	};
     24 
     25 	memory@0 {
     26 		device_type = "memory";
     27 		reg = <0x0 0x0 0x0 0x80000000>;
     28 	};
     29 
     30 	leds {
     31 		compatible = "gpio-leds";
     32 
     33 		led-stat {
     34 			label = "nanopi-k2:blue:stat";
     35 			gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_HIGH>;
     36 			default-state = "on";
     37 			panic-indicator;
     38 		};
     39 	};
     40 
     41 	vdd_5v: regulator-vdd-5v {
     42 		compatible = "regulator-fixed";
     43 		regulator-name = "VDD_5V";
     44 		regulator-min-microvolt = <5000000>;
     45 		regulator-max-microvolt = <5000000>;
     46 	};
     47 
     48 	vddio_ao18: regulator-vddio-ao18 {
     49 		compatible = "regulator-fixed";
     50 		regulator-name = "VDDIO_AO18";
     51 		regulator-min-microvolt = <1800000>;
     52 		regulator-max-microvolt = <1800000>;
     53 	};
     54 
     55 	vddio_ao3v3: regulator-vddio-ao3v3 {
     56 		compatible = "regulator-fixed";
     57 		regulator-name = "VDDIO_AO3.3V";
     58 		regulator-min-microvolt = <3300000>;
     59 		regulator-max-microvolt = <3300000>;
     60 	};
     61 
     62 	vddio_tf: regulator-vddio-tf {
     63 		compatible = "regulator-gpio";
     64 
     65 		regulator-name = "VDDIO_TF";
     66 		regulator-min-microvolt = <1800000>;
     67 		regulator-max-microvolt = <3300000>;
     68 
     69 		gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
     70 		gpios-states = <0>;
     71 
     72 		states = <3300000 0>,
     73 		         <1800000 1>;
     74 
     75 		regulator-settling-time-up-us = <100>;
     76 		regulator-settling-time-down-us = <5000>;
     77 	};
     78 
     79 	wifi_32k: wifi-32k {
     80 		compatible = "pwm-clock";
     81 		#clock-cells = <0>;
     82 		clock-frequency = <32768>;
     83 		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
     84 	};
     85 
     86 	sdio_pwrseq: sdio-pwrseq {
     87 		compatible = "mmc-pwrseq-simple";
     88 		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
     89 		clocks = <&wifi_32k>;
     90 		clock-names = "ext_clock";
     91 	};
     92 
     93 	vcc1v8: regulator-vcc1v8 {
     94 		compatible = "regulator-fixed";
     95 		regulator-name = "VCC1.8V";
     96 		regulator-min-microvolt = <1800000>;
     97 		regulator-max-microvolt = <1800000>;
     98 	};
     99 
    100 	vcc3v3: regulator-vcc3v3 {
    101 		compatible = "regulator-fixed";
    102 		regulator-name = "VCC3.3V";
    103 		regulator-min-microvolt = <3300000>;
    104 		regulator-max-microvolt = <3300000>;
    105 	};
    106 
    107 	emmc_pwrseq: emmc-pwrseq {
    108 		compatible = "mmc-pwrseq-emmc";
    109 		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
    110 	};
    111 
    112 	/* CVBS is available on CON1 pin 36, disabled by default */
    113 	cvbs-connector {
    114 		compatible = "composite-video-connector";
    115 		status = "disabled";
    116 
    117 		port {
    118 			cvbs_connector_in: endpoint {
    119 				remote-endpoint = <&cvbs_vdac_out>;
    120 			};
    121 		};
    122 	};
    123 
    124 	hdmi-connector {
    125 		compatible = "hdmi-connector";
    126 		type = "a";
    127 
    128 		port {
    129 			hdmi_connector_in: endpoint {
    130 				remote-endpoint = <&hdmi_tx_tmds_out>;
    131 			};
    132 		};
    133 	};
    134 
    135 	sound {
    136 		compatible = "amlogic,gx-sound-card";
    137 		model = "NANOPI-K2";
    138 		assigned-clocks = <&clkc CLKID_MPLL0>,
    139 				  <&clkc CLKID_MPLL1>,
    140 				  <&clkc CLKID_MPLL2>;
    141 		assigned-clock-parents = <0>, <0>, <0>;
    142 		assigned-clock-rates = <294912000>,
    143 				       <270950400>,
    144 				       <393216000>;
    145 		status = "okay";
    146 
    147 		dai-link-0 {
    148 			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
    149 		};
    150 
    151 		dai-link-1 {
    152 			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
    153 			dai-format = "i2s";
    154 			mclk-fs = <256>;
    155 
    156 			codec-0 {
    157 				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
    158 			};
    159 		};
    160 
    161 		dai-link-2 {
    162 			sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
    163 
    164 			codec-0 {
    165 				sound-dai = <&hdmi_tx>;
    166 			};
    167 		};
    168 	};
    169 };
    170 
    171 &aiu {
    172 	status = "okay";
    173 };
    174 
    175 &cec_AO {
    176 	status = "okay";
    177 	pinctrl-0 = <&ao_cec_pins>;
    178 	pinctrl-names = "default";
    179 	hdmi-phandle = <&hdmi_tx>;
    180 };
    181 
    182 &cvbs_vdac_port {
    183 	cvbs_vdac_out: endpoint {
    184 		remote-endpoint = <&cvbs_connector_in>;
    185 	};
    186 };
    187 
    188 &ethmac {
    189 	status = "okay";
    190 	pinctrl-0 = <&eth_rgmii_pins>;
    191 	pinctrl-names = "default";
    192 
    193 	phy-handle = <&eth_phy0>;
    194 	phy-mode = "rgmii";
    195 
    196 	amlogic,tx-delay-ns = <2>;
    197 
    198 	mdio {
    199 		compatible = "snps,dwmac-mdio";
    200 		#address-cells = <1>;
    201 		#size-cells = <0>;
    202 
    203 		eth_phy0: ethernet-phy@0 {
    204 			/* Realtek RTL8211F (0x001cc916) */
    205 			reg = <0>;
    206 
    207 			reset-assert-us = <10000>;
    208 			reset-deassert-us = <80000>;
    209 			reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
    210 
    211 			interrupt-parent = <&gpio_intc>;
    212 			/* MAC_INTR on GPIOZ_15 */
    213 			interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
    214 		};
    215 	};
    216 };
    217 
    218 &hdmi_tx {
    219 	status = "okay";
    220 	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
    221 	pinctrl-names = "default";
    222 };
    223 
    224 &hdmi_tx_tmds_port {
    225 	hdmi_tx_tmds_out: endpoint {
    226 		remote-endpoint = <&hdmi_connector_in>;
    227 	};
    228 };
    229 
    230 &ir {
    231 	status = "okay";
    232 	pinctrl-0 = <&remote_input_ao_pins>;
    233 	pinctrl-names = "default";
    234 };
    235 
    236 &gpio_ao {
    237 	gpio-line-names = "UART TX", "UART RX", "Power Control", "Power Key In",
    238 			  "VCCK En", "CON1 Header Pin31",
    239 			  "I2S Header Pin6", "IR In", "I2S Header Pin7",
    240 			  "I2S Header Pin3", "I2S Header Pin4",
    241 			  "I2S Header Pin5", "HDMI CEC", "SYS LED",
    242 			  /* GPIO_TEST_N */
    243 			  "";
    244 };
    245 
    246 &gpio {
    247 	gpio-line-names = /* Bank GPIOZ */
    248 			  "Eth MDIO", "Eth MDC", "Eth RGMII RX Clk",
    249 			  "Eth RX DV", "Eth RX D0", "Eth RX D1", "Eth RX D2",
    250 			  "Eth RX D3", "Eth RGMII TX Clk", "Eth TX En",
    251 			  "Eth TX D0", "Eth TX D1", "Eth TX D2", "Eth TX D3",
    252 			  "Eth PHY nRESET", "Eth PHY Intc",
    253 			  /* Bank GPIOH */
    254 			  "HDMI HPD", "HDMI DDC SDA", "HDMI DDC SCL",
    255 			  "CON1 Header Pin33",
    256 			  /* Bank BOOT */
    257 			  "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3", "eMMC D4",
    258 			  "eMMC D5", "eMMC D6", "eMMC D7", "eMMC Clk",
    259 			  "eMMC Reset", "eMMC CMD",
    260 			  "", "", "", "", "eMMC DS",
    261 			  "", "",
    262 			  /* Bank CARD */
    263 			  "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
    264 			  "SDCard D3", "SDCard D2", "SDCard Det",
    265 			  /* Bank GPIODV */
    266 			  "", "", "", "", "", "", "", "", "", "", "", "", "",
    267 			  "", "", "", "", "", "", "", "", "", "", "",
    268 			  "I2C A SDA", "I2C A SCK", "I2C B SDA", "I2C B SCK",
    269 			  "VDDEE Regulator", "VCCK Regulator",
    270 			  /* Bank GPIOY */
    271 			  "CON1 Header Pin7", "CON1 Header Pin11",
    272 			  "CON1 Header Pin13", "CON1 Header Pin15",
    273 			  "CON1 Header Pin18", "CON1 Header Pin19",
    274 			  "CON1 Header Pin22", "CON1 Header Pin21",
    275 			  "CON1 Header Pin24", "CON1 Header Pin23",
    276 			  "CON1 Header Pin26", "CON1 Header Pin29",
    277 			  "CON1 Header Pin32", "CON1 Header Pin8",
    278 			  "CON1 Header Pin10", "CON1 Header Pin16",
    279 			  "CON1 Header Pin12",
    280 			  /* Bank GPIOX */
    281 			  "WIFI SDIO D0", "WIFI SDIO D1", "WIFI SDIO D2",
    282 			  "WIFI SDIO D3", "WIFI SDIO CLK", "WIFI SDIO CMD",
    283 			  "WIFI Power Enable", "WIFI WAKE HOST",
    284 			  "Bluetooth PCM DOUT", "Bluetooth PCM DIN",
    285 			  "Bluetooth PCM SYNC", "Bluetooth PCM CLK",
    286 			  "Bluetooth UART TX", "Bluetooth UART RX",
    287 			  "Bluetooth UART CTS", "Bluetooth UART RTS",
    288 			  "", "", "", "WIFI 32K", "Bluetooth Enable",
    289 			  "Bluetooth WAKE HOST", "",
    290 			  /* Bank GPIOCLK */
    291 			  "", "CON1 Header Pin35", "", "";
    292 };
    293 
    294 &pwm_ef {
    295 	status = "okay";
    296 	pinctrl-0 = <&pwm_e_pins>;
    297 	pinctrl-names = "default";
    298 	clocks = <&clkc CLKID_FCLK_DIV4>;
    299 	clock-names = "clkin0";
    300 };
    301 
    302 &saradc {
    303 	status = "okay";
    304 	vref-supply = <&vddio_ao18>;
    305 };
    306 
    307 /* SDIO */
    308 &sd_emmc_a {
    309 	status = "okay";
    310 	pinctrl-0 = <&sdio_pins>, <&sdio_irq_pins>;
    311 	pinctrl-1 = <&sdio_clk_gate_pins>;
    312 	pinctrl-names = "default", "clk-gate";
    313 	#address-cells = <1>;
    314 	#size-cells = <0>;
    315 
    316 	bus-width = <4>;
    317 	cap-sd-highspeed;
    318 	max-frequency = <50000000>;
    319 
    320 	non-removable;
    321 	disable-wp;
    322 
    323 	/* WiFi firmware requires power to be kept while in suspend */
    324 	keep-power-in-suspend;
    325 
    326 	mmc-pwrseq = <&sdio_pwrseq>;
    327 
    328 	vmmc-supply = <&vddio_ao3v3>;
    329 	vqmmc-supply = <&vddio_ao18>;
    330 
    331 	brcmf: wifi@1 {
    332 		compatible = "brcm,bcm4329-fmac";
    333 		reg = <1>;
    334 	};
    335 };
    336 
    337 /* SD */
    338 &sd_emmc_b {
    339 	status = "okay";
    340 	pinctrl-0 = <&sdcard_pins>;
    341 	pinctrl-1 = <&sdcard_clk_gate_pins>;
    342 	pinctrl-names = "default", "clk-gate";
    343 
    344 	bus-width = <4>;
    345 	cap-sd-highspeed;
    346 	sd-uhs-sdr12;
    347 	sd-uhs-sdr25;
    348 	sd-uhs-sdr50;
    349 	sd-uhs-ddr50;
    350 	max-frequency = <100000000>;
    351 	disable-wp;
    352 
    353 	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
    354 
    355 	vmmc-supply = <&vddio_ao3v3>;
    356 	vqmmc-supply = <&vddio_tf>;
    357 };
    358 
    359 /* eMMC */
    360 &sd_emmc_c {
    361 	status = "disabled";
    362 	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
    363 	pinctrl-1 = <&emmc_clk_gate_pins>;
    364 	pinctrl-names = "default", "clk-gate";
    365 
    366 	bus-width = <8>;
    367 	max-frequency = <200000000>;
    368 	non-removable;
    369 	disable-wp;
    370 	cap-mmc-highspeed;
    371 	mmc-ddr-1_8v;
    372 	mmc-hs200-1_8v;
    373 
    374 	mmc-pwrseq = <&emmc_pwrseq>;
    375 	vmmc-supply = <&vcc3v3>;
    376 	vqmmc-supply = <&vcc1v8>;
    377 };
    378 
    379 /* DBG_UART */
    380 &uart_AO {
    381 	status = "okay";
    382 	pinctrl-0 = <&uart_ao_a_pins>;
    383 	pinctrl-names = "default";
    384 };
    385 
    386 /* Bluetooth on AP6212 */
    387 &uart_A {
    388 	status = "okay";
    389 	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
    390 	pinctrl-names = "default";
    391 	uart-has-rtscts;
    392 
    393 	bluetooth {
    394 		compatible = "brcm,bcm43438-bt";
    395 		clocks = <&wifi_32k>;
    396 		clock-names = "lpo";
    397 		vbat-supply = <&vddio_ao3v3>;
    398 		vddio-supply = <&vddio_ao18>;
    399 		host-wakeup-gpios = <&gpio GPIOX_21 GPIO_ACTIVE_HIGH>;
    400 		shutdown-gpios = <&gpio GPIOX_20 GPIO_ACTIVE_HIGH>;
    401 	};
    402 };
    403 
    404 /* 40-pin CON1 */
    405 &uart_C {
    406 	status = "disabled";
    407 	pinctrl-0 = <&uart_c_pins>;
    408 	pinctrl-names = "default";
    409 };
    410 
    411 &usb0_phy {
    412 	status = "okay";
    413 	phy-supply = <&vdd_5v>;
    414 };
    415 
    416 &usb1_phy {
    417 	status = "okay";
    418 };
    419 
    420 &usb0 {
    421 	status = "okay";
    422 };
    423 
    424 &usb1 {
    425 	status = "okay";
    426 };
    427