i.MX6 ULL 14x14 EVK Board 设备树配置

#include <dt-bindings/input/input.h> #include 'imx6ull.dtsi'

/ { model = 'Freescale i.MX6 ULL 14x14 EVK Board'; compatible = 'fsl,imx6ull-14x14-evk', 'fsl,imx6ull'; chosen { stdout-path = &uart1; }; memory { reg = <0x80000000 0x20000000>; }; reserved-memory { #address-cells = <1>; #size-cells = <1>; ranges; linux,cma { compatible = 'shared-dma-pool'; reusable; size = <0x14000000>; linux,cma-default; }; }; backlight { compatible = 'pwm-backlight'; pwms = <&pwm1 0 5000000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <7>; status = 'okay'; }; pxp_v4l2 { compatible = 'fsl,imx6ul-pxp-v4l2', 'fsl,imx6sx-pxp-v4l2', 'fsl,imx6sl-pxp-v4l2'; status = 'okay'; }; regulators { compatible = 'simple-bus'; #address-cells = <1>; #size-cells = <0>; reg_can_3v3: regulator@0 { compatible = 'regulator-fixed'; reg = <0>; regulator-name = 'can-3v3'; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; reg_usb_ltemodule: regulator@1 { compatible = 'regulator-fixed'; regulator-name = 'ltemodule-pwr'; regulator-min-microvolt = <3800000>; regulator-max-microvolt = <3800000>; gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>; enable-active-high; regulator-boot-on; }; reg_gpio_wifi: regulator@2 { compatible = 'regulator-fixed'; regulator-name = 'wifi-pwr'; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; gpios = <&gpio1 10 GPIO_ACTIVE_LOW>; regulator-boot-on; }; }; leds { compatible = 'gpio-leds'; pinctrl-names = 'default'; pinctrl-0 = <&pinctrl_leds>; led0: cpu { label = 'cpu'; gpios = <&gpio5 3 GPIO_ACTIVE_LOW>; default-state = 'on'; linux,default-trigger = 'heartbeat'; }; }; gpio-keys { compatible = 'gpio-keys'; pinctrl-names = 'default'; user { label = 'User Button'; gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>; gpio-key,wakeup; linux,code = <KEY_1>; }; }; sound { compatible = 'fsl,imx6ul-evk-wm8960', 'fsl,imx-audio-wm8960'; model = 'wm8960-audio'; cpu-dai = <&sai2>; audio-codec = <&codec>; asrc-controller = <&asrc>; codec-master; gpr = <&gpr 4 0x100000 0x100000>; hp-det = <3 0>; /hp-det-gpios = <&gpio5 4 0>; mic-det-gpios = <&gpio5 4 0>;/ audio-routing = 'Headphone Jack', 'HP_L', 'Headphone Jack', 'HP_R', 'Ext Spk', 'SPK_LP', 'Ext Spk', 'SPK_LN', 'Ext Spk', 'SPK_RP', 'Ext Spk', 'SPK_RN', 'LINPUT2', 'Mic Jack', 'LINPUT3', 'Mic Jack', 'RINPUT1', 'Main MIC', 'RINPUT2', 'Main MIC', 'Mic Jack', 'MICB', 'Main MIC', 'MICB', 'CPU-Playback', 'ASRC-Playback', 'Playback', 'CPU-Playback', 'ASRC-Capture', 'CPU-Capture', 'CPU-Capture', 'Capture'; status = 'okay'; }; spi4 { compatible = 'spi-gpio'; pinctrl-names = 'default'; pinctrl-0 = <&pinctrl_spi4>; pinctrl-assert-gpios = <&gpio5 8 GPIO_ACTIVE_LOW>; status = 'okay'; gpio-sck = <&gpio5 11 0>; gpio-mosi = <&gpio5 10 0>; cs-gpios = <&gpio5 7 0>; num-chipselects = <1>; #address-cells = <1>; #size-cells = <0>; gpio_spi: gpio_spi@0 { compatible = 'fairchild,74hc595'; gpio-controller; #gpio-cells = <2>; reg = <0>; registers-number = <1>; registers-default = /bits/ 8 <0x57>; spi-max-frequency = <10000>; }; }; sii902x_reset: sii902x-reset { compatible = 'gpio-reset'; reset-gpios = <&gpio_spi 1 GPIO_ACTIVE_LOW>; reset-delay-us = <100000>; #reset-cells = <0>; status = 'okay'; }; myled { compatible = '100ask,leddrv'; pinctrl-names = 'default'; pinctrl-0 = <&myled_for_gpio_subsys>; led-gpios = <&gpio5 3 GPIO_ACTIVE_LOW>; }; };