diff options
Diffstat (limited to 'arch/arm/boot/dts/meson8b-ec100.dts')
| -rw-r--r-- | arch/arm/boot/dts/meson8b-ec100.dts | 479 |
1 files changed, 479 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/meson8b-ec100.dts b/arch/arm/boot/dts/meson8b-ec100.dts new file mode 100644 index 000000000..77d4beeb8 --- /dev/null +++ b/arch/arm/boot/dts/meson8b-ec100.dts @@ -0,0 +1,479 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Martin Blumenstingl <martin.blumenstingl@googlemail.com>. + */ + +/dts-v1/; + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> + +#include "meson8b.dtsi" + +/ { + model = "Endless Computers Endless Mini"; + compatible = "endless,ec100", "amlogic,meson8b"; + + aliases { + serial0 = &uart_AO; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory { + device_type = "memory"; + reg = <0x40000000 0x40000000>; + }; + + emmc_pwrseq: emmc-pwrseq { + compatible = "mmc-pwrseq-emmc"; + reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>; + }; + + gpio-keys { + compatible = "gpio-keys-polled"; + #address-cells = <1>; + #size-cells = <0>; + poll-interval = <100>; + + pal-switch { + label = "pal"; + linux,input-type = <EV_SW>; + linux,code = <KEY_SWITCHVIDEOMODE>; + gpios = <&gpio GPIOH_7 GPIO_ACTIVE_LOW>; + }; + + ntsc-switch { + label = "ntsc"; + linux,input-type = <EV_SW>; + linux,code = <KEY_SWITCHVIDEOMODE>; + gpios = <&gpio GPIOH_8 GPIO_ACTIVE_HIGH>; + }; + + power-button { + label = "power"; + linux,code = <KEY_POWER>; + gpios = <&gpio GPIOH_9 GPIO_ACTIVE_LOW>; + }; + }; + + gpio-poweroff { + compatible = "gpio-poweroff"; + /* + * shutdown is managed by the EC (embedded micro-controller) + * which is configured through GPIOAO_2 (poweroff GPIO) and + * GPIOAO_7 (power LED, which has to go LOW as well). + */ + gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>; + timeout-ms = <20000>; + }; + + leds { + compatible = "gpio-leds"; + + power { + label = "ec100:red:power"; + /* + * Needs to go LOW (together with the poweroff GPIO) + * during shutdown to allow the EC (embedded + * micro-controller) to shutdown the system. Setting + * the output to LOW signals the EC to start a + * "breathing"/pulsing effect until the power is fully + * turned off. + */ + gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_HIGH>; + default-state = "on"; + }; + }; + + rtc32k_xtal: rtc32k-xtal-clk { + /* X2 in the schematics */ + compatible = "fixed-clock"; + clock-frequency = <32768>; + clock-output-names = "RTC32K"; + #clock-cells = <0>; + }; + + sound { + compatible = "amlogic,gx-sound-card"; + model = "M8B-EC100"; + + assigned-clocks = <&clkc CLKID_MPLL0>, + <&clkc CLKID_MPLL1>, + <&clkc CLKID_MPLL2>; + assigned-clock-rates = <270950400>, + <294912000>, + <393216000>; + + dai-link-0 { + sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>; + }; + + dai-link-1 { + sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>; + dai-format = "i2s"; + mclk-fs = <256>; + + codec-0 { + sound-dai = <&rt5640>; + }; + }; + }; + + usb_vbus: regulator-usb-vbus { + /* + * Silergy SY6288CCAC-GP 2A Power Distribution Switch. + */ + compatible = "regulator-fixed"; + + regulator-name = "USB_VBUS"; + + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + + vin-supply = <&vcc_5v>; + + /* + * signal name from the schematics: USB_PWR_EN + */ + gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + vcc_5v: regulator-vcc5v { + /* + * supplied by the main power input which called PWR_5V_STB + * in the schematics + */ + compatible = "regulator-fixed"; + + regulator-name = "VCC5V"; + + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + + /* + * signal name from the schematics: 3V3_5V_EN + */ + gpio = <&gpio GPIODV_29 GPIO_ACTIVE_LOW>; + + regulator-boot-on; + regulator-always-on; + }; + + vcck: regulator-vcck { + /* + * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz + * Synchronous Step Down Regulator. + */ + compatible = "pwm-regulator"; + + regulator-name = "VCCK"; + regulator-min-microvolt = <860000>; + regulator-max-microvolt = <1140000>; + + pwm-supply = <&vcc_5v>; + + pwms = <&pwm_cd 0 1148 0>; + pwm-dutycycle-range = <100 0>; + + regulator-boot-on; + regulator-always-on; + }; + + vcc_1v8: regulator-vcc1v8 { + /* + * ABLIC S-1339D18-M5001-GP + */ + compatible = "regulator-fixed"; + + regulator-name = "VCC1V8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + + vin-supply = <&vcc_3v3>; + }; + + vcc_3v3: regulator-vcc3v3 { + /* + * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz + * Synchronous Step Down Regulator. Also called + * VDDIO_AO3.3V in the schematics. + */ + compatible = "regulator-fixed"; + + regulator-name = "VCC3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + vin-supply = <&vcc_5v>; + }; + + vcc_ddr3: regulator-vcc-ddr3 { + /* + * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz + * Synchronous Step Down Regulator. Also called + * DDR3_1.5V in the schematics. + */ + compatible = "regulator-fixed"; + + regulator-name = "VCC_DDR3_1V5"; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <1500000>; + + vin-supply = <&vcc_5v>; + + regulator-boot-on; + regulator-always-on; + }; + + vcc_rtc: regulator-vcc-rtc { + /* + * Global Mixed-mode Technology Inc. G918T12U-GP + */ + compatible = "regulator-fixed"; + + regulator-name = "VCC_RTC"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + + /* + * When the board is powered then the input is VCC3V3, + * otherwise power is taken from the coin cell battery. + */ + vin-supply = <&vcc_3v3>; + }; + + vddee: regulator-vddee { + /* + * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz + * Synchronous Step Down Regulator. Also called VDDAO + * in a part of the schematics. + */ + compatible = "pwm-regulator"; + + regulator-name = "VDDEE"; + regulator-min-microvolt = <860000>; + regulator-max-microvolt = <1140000>; + + pwm-supply = <&vcc_5v>; + + pwms = <&pwm_cd 1 1148 0>; + pwm-dutycycle-range = <100 0>; + + regulator-boot-on; + regulator-always-on; + }; +}; + +&aiu { + status = "okay"; + + pinctrl-0 = <&i2s_am_clk_pins>, <&i2s_out_ao_clk_pins>, + <&i2s_out_lr_clk_pins>, <&i2s_out_ch01_ao_pins>; + pinctrl-names = "default"; +}; + +&cpu0 { + cpu-supply = <&vcck>; +}; + +ðmac { + status = "okay"; + + pinctrl-0 = <ð_rmii_pins>; + pinctrl-names = "default"; + + phy-handle = <ð_phy0>; + phy-mode = "rmii"; + + mdio { + compatible = "snps,dwmac-mdio"; + #address-cells = <1>; + #size-cells = <0>; + + eth_phy0: ethernet-phy@0 { + /* IC Plus IP101A/G (0x02430c54) */ + reg = <0>; + + reset-assert-us = <10000>; + reset-deassert-us = <10000>; + reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>; + + icplus,select-interrupt; + interrupt-parent = <&gpio_intc>; + /* GPIOH_3 */ + interrupts = <17 IRQ_TYPE_LEVEL_LOW>; + }; + }; +}; + +&i2c_A { + status = "okay"; + pinctrl-0 = <&i2c_a_pins>; + pinctrl-names = "default"; + + rt5640: codec@1c { + compatible = "realtek,rt5640"; + + reg = <0x1c>; + + #sound-dai-cells = <0>; + + interrupt-parent = <&gpio_intc>; + interrupts = <13 IRQ_TYPE_EDGE_BOTH>; /* GPIOAO_13 */ + + /* + * TODO: realtek,ldo1-en-gpios is connected to GPIO_BSD_EN. + * We currently cannot configure this pin correctly. + * Luckily for us it's in the "right" state by default. + */ + realtek,in1-differential; + }; +}; + +&mali { + mali-supply = <&vddee>; +}; + +&saradc { + status = "okay"; + vref-supply = <&vcc_1v8>; +}; + +&sdhc { + status = "okay"; + + pinctrl-0 = <&sdxc_c_pins>; + pinctrl-names = "default"; + + bus-width = <8>; + max-frequency = <50000000>; + + cap-mmc-highspeed; + disable-wp; + non-removable; + no-sdio; + + mmc-pwrseq = <&emmc_pwrseq>; + + vmmc-supply = <&vcc_3v3>; + vqmmc-supply = <&vcc_3v3>; +}; + +&sdio { + status = "okay"; + + pinctrl-0 = <&sd_b_pins>; + pinctrl-names = "default"; + + /* SD card */ + sd_card_slot: slot@1 { + compatible = "mmc-slot"; + reg = <1>; + status = "okay"; + + bus-width = <4>; + no-sdio; + cap-mmc-highspeed; + cap-sd-highspeed; + disable-wp; + + cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>; + + vmmc-supply = <&vcc_3v3>; + }; +}; + +&gpio_ao { + gpio-line-names = "Linux_TX", "Linux_RX", + "SLP_S5_N", "USB2_OC_FLAG#", + "HUB_RST", "USB_PWR_EN", + "I2S_IN", "SLP_S1_N", + "TCK", "TMS", "TDI", "TDO", + "HDMI_CEC", "5640_IRQ", + "MUTE", "S805_TEST#"; +}; + +&gpio { + gpio-line-names = /* Bank GPIOX */ + "WIFI_SD_D0", "WIFI_SD_D1", "WIFI_SD_D2", + "WIFI_SD_D3", "BTPCM_DOUT", "BTPCM_DIN", + "BTPCM_SYNC", "BTPCM_CLK", "WIFI_SD_CLK", + "WIFI_SD_CMD", "WIFI_32K", "WIFI_PWREN", + "UART_B_TX", "UART_B_RX", "UART_B_CTS_N", + "UART_B_RTS_N", "BT_EN", "WIFI_WAKE_HOST", + /* Bank GPIOY */ + "", "", "", "", "", "", "", "", "", "", + "", "", + /* Bank GPIODV */ + "VCCK_PWM_C", "I2C_SDA_A", "I2C_SCL_A", + "I2C_SDA_B", "I2C_SCL_B", "VDDEE_PWM_D", + "VDDEE_PWM 3V3_5V_EN", + /* Bank GPIOH */ + "HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL", + "RMII_IRQ", "RMII_RST#", "RMII_TXD1", + "RMII_TXD0", "AV_select_1", "AV_select_2", + "MCU_Control_S", + /* Bank CARD */ + "SD_D1_B", "SD_D0_B", "SD_CLK_8726MX", + "SD_CMD_8726MX", "SD_D3_B", "SD_D2_B", + "CARD_EN_DET (CARD_DET)", + /* Bank BOOT */ + "NAND_D0 (EMMC)", "NAND_D1 (EMMC)", + "NAND_D2 (EMMC)", "NAND_D3 (EMMC)", + "NAND_D4 (EMMC)", "NAND_D5 (EMMC)", + "NAND_D6 (EMMC)", "NAND_D7 (EMMC)", + "NAND_CS1 (EMMC)", "NAND_CS2 iNAND_RS1 (EMMC)", + "NAND_nR/B iNAND_CMD (EMMC)", "NAND_ALE (EMMC)", + "NAND_CLE (EMMC)", "nRE_S1 NAND_nRE (EMMC)", + "nWE_S1 NAND_nWE (EMMC)", "", "", "SPI_CS", + /* Bank DIF */ + "RMII_RXD1", "RMII_RXD0", "RMII_CRS_DV", + "RMII_50M_IN", "GPIODIF_4", "GPIODIF_5", + "RMII_TXEN", "CPUETH_25MOUT", "RMII_MDC", + "RMII_MDIO"; +}; + +&pwm_cd { + status = "okay"; + pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>; + pinctrl-names = "default"; + clocks = <&xtal>, <&xtal>; + clock-names = "clkin0", "clkin1"; +}; + +&rtc { + status = "okay"; + clocks = <&rtc32k_xtal>; + vdd-supply = <&vcc_rtc>; +}; + +/* exposed through the pin headers labeled "URDUG1" on the top of the PCB */ +&uart_AO { + status = "okay"; + pinctrl-0 = <&uart_ao_a_pins>; + pinctrl-names = "default"; +}; + +/* + * connected to the Bluetooth part of the RTL8723BS SDIO wifi / Bluetooth + * combo chip. This is only available on the variant with 2GB RAM. + */ +&uart_B { + status = "okay"; + pinctrl-0 = <&uart_b0_pins>, <&uart_b0_cts_rts_pins>; + pinctrl-names = "default"; + uart-has-rtscts; +}; + +&usb1 { + status = "okay"; + vbus-supply = <&usb_vbus>; +}; + +&usb1_phy { + status = "okay"; +}; |