TOMOYO Linux Cross Reference
Linux/arch/arm/boot/dts/allwinner/sun4i-a10-topwise-a721.dts

   // SPDX-License-Identifier: GPL-2.0+
   /*
    * Copyright 2020 Pascal Roeleven <dev@pascalroeleven.nl>
    */
   
   /dts-v1/;
   #include "sun4i-a10.dtsi"
   #include "sunxi-common-regulators.dtsi"
   
  #include <dt-bindings/gpio/gpio.h>
  #include <dt-bindings/input/input.h>
  #include <dt-bindings/interrupt-controller/irq.h>
  #include <dt-bindings/pwm/pwm.h>
  
  / {
          model = "Topwise A721";
          compatible = "topwise,a721", "allwinner,sun4i-a10";
  
          aliases {
                  serial0 = &uart0;
          };
  
          backlight: backlight {
                  compatible = "pwm-backlight";
                  pwms = <&pwm 0 100000 PWM_POLARITY_INVERTED>;
                  power-supply = <&reg_vbat>;
                  enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
                  brightness-levels = <0 30 40 50 60 70 80 90 100>;
                  default-brightness-level = <8>;
          };
  
          chosen {
                  stdout-path = "serial0:115200n8";
          };
  
          panel {
                  compatible = "starry,kr070pe2t";
                  backlight = <&backlight>;
                  power-supply = <&reg_lcd_power>;
  
                  port {
                          panel_input: endpoint {
                                  remote-endpoint = <&tcon0_out_panel>;
                          };
                  };
          };
  
          reg_lcd_power: reg-lcd-power {
                  compatible = "regulator-fixed";
                  regulator-name = "reg-lcd-power";
                  gpio = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */
                  enable-active-high;
          };
  
          reg_vbat: reg-vbat {
                  compatible = "regulator-fixed";
                  regulator-name = "vbat";
                  regulator-min-microvolt = <3700000>;
                  regulator-max-microvolt = <3700000>;
          };
  
  };
  
  &codec {
          status = "okay";
  };
  
  &cpu0 {
          cpu-supply = <&reg_dcdc2>;
  };
  
  &de {
          status = "okay";
  };
  
  &ehci0 {
          status = "okay";
  };
  
  &ehci1 {
          status = "okay";
  };
  
  &i2c0 {
          status = "okay";
  
          axp209: pmic@34 {
                  reg = <0x34>;
                  interrupts = <0>;
          };
  };
  
  #include "axp209.dtsi"
  
  &ac_power_supply {
          status = "okay";
  };
  
  &battery_power_supply {
         status = "okay";
 };
 
 &i2c1 {
         status = "okay";
 
         accelerometer@4c {
                 compatible = "fsl,mma7660";
                 reg = <0x4c>;
         };
 };
 
 &i2c2 {
         status = "okay";
 
         touchscreen@38 {
                 compatible = "edt,edt-ft5406";
                 reg = <0x38>;
                 interrupt-parent = <&pio>;
                 interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>;
                 touchscreen-size-x = <800>;
                 touchscreen-size-y = <480>;
                 vcc-supply = <&reg_vcc3v3>;
         };
 };
 
 &lradc {
         vref-supply = <&reg_ldo2>;
         status = "okay";
 
         button-571 {
                 label = "Volume Up";
                 linux,code = <KEY_VOLUMEUP>;
                 channel = <0>;
                 voltage = <571428>;
         };
 
         button-761 {
                 label = "Volume Down";
                 linux,code = <KEY_VOLUMEDOWN>;
                 channel = <0>;
                 voltage = <761904>;
         };
 };
 
 &mmc0 {
         vmmc-supply = <&reg_vcc3v3>;
         bus-width = <4>;
         cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH01 */
         status = "okay";
 };
 
 &ohci0 {
         status = "okay";
 };
 
 &ohci1 {
         status = "okay";
 };
 
 &otg_sram {
         status = "okay";
 };
 
 &pio {
         vcc-pb-supply = <&reg_vcc3v3>;
         vcc-pf-supply = <&reg_vcc3v3>;
         vcc-ph-supply = <&reg_vcc3v3>;
 };
 
 &pwm {
         pinctrl-names = "default";
         pinctrl-0 = <&pwm0_pin>;
         status = "okay";
 };
 
 &reg_dcdc2 {
         regulator-always-on;
         regulator-min-microvolt = <1000000>;
         regulator-max-microvolt = <1400000>;
         regulator-name = "vdd-cpu";
 };
 
 &reg_dcdc3 {
         regulator-always-on;
         regulator-min-microvolt = <1250000>;
         regulator-max-microvolt = <1250000>;
         regulator-name = "vdd-int-dll";
 };
 
 &reg_ldo1 {
         regulator-name = "vdd-rtc";
 };
 
 &reg_ldo2 {
         regulator-always-on;
         regulator-min-microvolt = <3000000>;
         regulator-max-microvolt = <3000000>;
         regulator-name = "avcc";
 };
 
 &reg_usb0_vbus {
         status = "okay";
 };
 
 &reg_usb1_vbus {
         status = "okay";
 };
 
 &reg_usb2_vbus {
         status = "okay";
 };
 
 &tcon0_out {
         tcon0_out_panel: endpoint@0 {
                 reg = <0>;
                 remote-endpoint = <&panel_input>;
         };
 };
 
 &uart0 {
         pinctrl-names = "default";
         pinctrl-0 = <&uart0_pb_pins>;
         status = "okay";
 };
 
 &usb_otg {
         dr_mode = "otg";
         status = "okay";
 };
 
 &usb_power_supply {
         status = "okay";
 };
 
 &usbphy {
         usb0_id_det-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
         usb0_vbus_det-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
         usb0_vbus-supply = <&reg_usb0_vbus>;
         usb1_vbus-supply = <&reg_usb1_vbus>;
         usb2_vbus-supply = <&reg_usb2_vbus>;
         status = "okay";
 };

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