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-rw-r--r--arch/arm/boot/dts/meson8b-ec100.dts440
1 files changed, 440 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..c6824d26d
--- /dev/null
+++ b/arch/arm/boot/dts/meson8b-ec100.dts
@@ -0,0 +1,440 @@
+// 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>;
+ };
+
+ iio-hwmon {
+ compatible = "iio-hwmon";
+ io-channels = <&saradc 8>;
+ };
+
+ 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>;
+ };
+
+ 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;
+ };
+};
+
+&cpu0 {
+ cpu-supply = <&vcck>;
+};
+
+&ethmac {
+ status = "okay";
+
+ pinctrl-0 = <&eth_rmii_pins>;
+ pinctrl-names = "default";
+
+ phy-handle = <&eth_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>;
+ interrupt-parent = <&gpio_intc>;
+ interrupts = <13 IRQ_TYPE_EDGE_BOTH>; /* GPIOAO_13 */
+ 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";
+};
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