diff options
Diffstat (limited to 'arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts')
| -rw-r--r-- | arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts new file mode 100644 index 000000000000..34a41b26a4ed --- /dev/null +++ b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts @@ -0,0 +1,400 @@ +/* + * Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>. + * Copyright (c) 2017 BayLibre, SAS + * Author: Neil Armstrong <narmstrong@baylibre.com> + * + * SPDX-License-Identifier: (GPL-2.0+ OR MIT) + */ + +/dts-v1/; + +#include <dt-bindings/input/input.h> +#include <dt-bindings/thermal/thermal.h> + +#include "meson-gxm.dtsi" + +/ { + compatible = "khadas,vim2", "amlogic,s912", "amlogic,meson-gxm"; + model = "Khadas VIM2"; + + aliases { + serial0 = &uart_AO; + serial1 = &uart_A; + serial2 = &uart_AO_B; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory@0 { + device_type = "memory"; + reg = <0x0 0x0 0x0 0x80000000>; + }; + + adc-keys { + compatible = "adc-keys"; + io-channels = <&saradc 0>; + io-channel-names = "buttons"; + keyup-threshold-microvolt = <1710000>; + + button-function { + label = "Function"; + linux,code = <KEY_FN>; + press-threshold-microvolt = <10000>; + }; + }; + + emmc_pwrseq: emmc-pwrseq { + compatible = "mmc-pwrseq-emmc"; + reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>; + }; + + gpio_fan: gpio-fan { + compatible = "gpio-fan"; + gpios = <&gpio GPIODV_14 GPIO_ACTIVE_HIGH + &gpio GPIODV_15 GPIO_ACTIVE_HIGH>; + /* Dummy RPM values since fan is optional */ + gpio-fan,speed-map = <0 0 + 1 1 + 2 2 + 3 3>; + cooling-min-level = <0>; + cooling-max-level = <3>; + #cooling-cells = <2>; + }; + + gpio-keys-polled { + compatible = "gpio-keys-polled"; + #address-cells = <1>; + #size-cells = <0>; + poll-interval = <100>; + + button@0 { + label = "power"; + linux,code = <KEY_POWER>; + gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>; + }; + }; + + hdmi-connector { + compatible = "hdmi-connector"; + type = "a"; + + port { + hdmi_connector_in: endpoint { + remote-endpoint = <&hdmi_tx_tmds_out>; + }; + }; + }; + + pwmleds { + compatible = "pwm-leds"; + + power { + label = "vim:red:power"; + pwms = <&pwm_AO_ab 1 7812500 0>; + max-brightness = <255>; + linux,default-trigger = "default-on"; + }; + }; + + sdio_pwrseq: sdio-pwrseq { + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>; + clocks = <&wifi32k>; + clock-names = "ext_clock"; + }; + + thermal-zones { + cpu-thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <1000>; /* milliseconds */ + + thermal-sensors = <&scpi_sensors 0>; + + trips { + cpu_alert0: cpu-alert0 { + temperature = <70000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "active"; + }; + + cpu_alert1: cpu-alert1 { + temperature = <80000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "passive"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_alert0>; + cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>; + }; + + map1 { + trip = <&cpu_alert1>; + cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>; + }; + + map2 { + trip = <&cpu_alert1>; + cooling-device = + <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + + map3 { + trip = <&cpu_alert1>; + cooling-device = + <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + }; + + vcc_3v3: regulator-vcc_3v3 { + compatible = "regulator-fixed"; + regulator-name = "VCC_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + vddio_ao18: regulator-vddio_ao18 { + compatible = "regulator-fixed"; + regulator-name = "VDDIO_AO18"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + vddio_boot: regulator-vddio_boot { + compatible = "regulator-fixed"; + regulator-name = "VDDIO_BOOT"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + vddao_3v3: regulator-vddao_3v3 { + compatible = "regulator-fixed"; + regulator-name = "VDDAO_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + wifi32k: wifi32k { + compatible = "pwm-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */ + }; +}; + +&cec_AO { + status = "okay"; + pinctrl-0 = <&ao_cec_pins>; + pinctrl-names = "default"; + hdmi-phandle = <&hdmi_tx>; +}; + +&cpu0 { + cooling-min-level = <0>; + cooling-max-level = <6>; + #cooling-cells = <2>; +}; + +&cpu4 { + cooling-min-level = <0>; + cooling-max-level = <4>; + #cooling-cells = <2>; +}; + +ðmac { + pinctrl-0 = <ð_pins>; + pinctrl-names = "default"; + + /* Select external PHY by default */ + phy-handle = <&external_phy>; + + amlogic,tx-delay-ns = <2>; + + /* External PHY reset is shared with internal PHY Led signals */ + snps,reset-gpio = <&gpio GPIOZ_14 0>; + snps,reset-delays-us = <0 10000 1000000>; + snps,reset-active-low; + + /* External PHY is in RGMII */ + phy-mode = "rgmii"; + + status = "okay"; +}; + +&external_mdio { + external_phy: ethernet-phy@0 { + /* Realtek RTL8211F (0x001cc916) */ + reg = <0>; + }; +}; + +&hdmi_tx { + status = "okay"; + pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>; + pinctrl-names = "default"; +}; + +&hdmi_tx_tmds_port { + hdmi_tx_tmds_out: endpoint { + remote-endpoint = <&hdmi_connector_in>; + }; +}; + +&i2c_A { + status = "okay"; + pinctrl-0 = <&i2c_a_pins>; + pinctrl-names = "default"; +}; + +&i2c_B { + status = "okay"; + pinctrl-0 = <&i2c_b_pins>; + pinctrl-names = "default"; + + rtc: rtc@51 { + /* has to be enabled manually when a battery is connected: */ + status = "disabled"; + compatible = "haoyu,hym8563"; + reg = <0x51>; + #clock-cells = <0>; + clock-frequency = <32768>; + clock-output-names = "xin32k"; + }; +}; + +&ir { + status = "okay"; + pinctrl-0 = <&remote_input_ao_pins>; + pinctrl-names = "default"; + linux,rc-map-name = "rc-geekbox"; +}; + +&pwm_AO_ab { + status = "okay"; + pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>; + pinctrl-names = "default"; + clocks = <&clkc CLKID_FCLK_DIV4>; + clock-names = "clkin0"; +}; + +&pwm_ef { + status = "okay"; + pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>; + pinctrl-names = "default"; + clocks = <&clkc CLKID_FCLK_DIV4>; + clock-names = "clkin0"; +}; + +&sd_emmc_a { + status = "okay"; + pinctrl-0 = <&sdio_pins>; + pinctrl-names = "default"; + #address-cells = <1>; + #size-cells = <0>; + + bus-width = <4>; + max-frequency = <100000000>; + + non-removable; + disable-wp; + + mmc-pwrseq = <&sdio_pwrseq>; + + vmmc-supply = <&vddao_3v3>; + vqmmc-supply = <&vddio_boot>; + + brcmf: wifi@1 { + reg = <1>; + compatible = "brcm,bcm4329-fmac"; + }; +}; + +/* SD card */ +&sd_emmc_b { + status = "okay"; + pinctrl-0 = <&sdcard_pins>; + pinctrl-names = "default"; + + bus-width = <4>; + cap-sd-highspeed; + max-frequency = <100000000>; + disable-wp; + + cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>; + cd-inverted; + + vmmc-supply = <&vddao_3v3>; + vqmmc-supply = <&vddio_boot>; +}; + +/* eMMC */ +&sd_emmc_c { + status = "okay"; + pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>; + pinctrl-names = "default"; + + bus-width = <8>; + cap-sd-highspeed; + cap-mmc-highspeed; + max-frequency = <200000000>; + non-removable; + disable-wp; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + mmc-hs400-1_8v; + + mmc-pwrseq = <&emmc_pwrseq>; + vmmc-supply = <&vcc_3v3>; + vqmmc-supply = <&vddio_boot>; +}; + +/* + * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe + * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled + */ +&spifc { + status = "disabled"; + pinctrl-0 = <&nor_pins>; + pinctrl-names = "default"; + + w25q32: spi-flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "winbond,w25q16", "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <3000000>; + }; +}; + +/* This one is connected to the Bluetooth module */ +&uart_A { + status = "okay"; + pinctrl-0 = <&uart_a_pins>; + pinctrl-names = "default"; +}; + +/* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */ +&uart_AO { + status = "okay"; + pinctrl-0 = <&uart_ao_a_pins>; + pinctrl-names = "default"; +}; + +/* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */ +&uart_AO_B { + status = "okay"; + pinctrl-0 = <&uart_ao_b_pins>; + pinctrl-names = "default"; +}; + +&saradc { + status = "okay"; + vref-supply = <&vddio_ao18>; +}; |