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112 lines
1.9 KiB
Plaintext
112 lines
1.9 KiB
Plaintext
/*
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* vc4-kms-dpi.dtsi
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*/
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/pinctrl/bcm2835.h>
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/ {
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fragment@100 {
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target-path = "/";
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__overlay__ {
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panel: panel {
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rotation = <0>;
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port {
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panel_in: endpoint {
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remote-endpoint = <&dpi_out>;
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};
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};
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};
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};
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};
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fragment@101 {
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target = <&dpi>;
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dpi_node: __overlay__ {
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status = "okay";
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pinctrl-names = "default";
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port {
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dpi_out: endpoint {
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remote-endpoint = <&panel_in>;
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};
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};
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};
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};
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fragment@102 {
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target = <&panel>;
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__dormant__ {
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backlight = <&backlight>;
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};
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};
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fragment@103 {
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target-path = "/";
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__dormant__ {
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backlight: backlight {
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compatible = "gpio-backlight";
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gpios = <&gpio 255 GPIO_ACTIVE_HIGH>;
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};
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};
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};
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fragment@104 {
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target = <&panel>;
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__dormant__ {
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backlight = <&backlight_pwm>;
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};
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};
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fragment@105 {
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target-path = "/";
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__dormant__ {
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backlight_pwm: backlight_pwm {
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compatible = "pwm-backlight";
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brightness-levels = <0 6 8 12 16 24 32 40 48 64 96 128 160 192 224 255>;
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default-brightness-level = <16>;
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pwms = <&pwm 0 200000>;
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};
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};
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};
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fragment@106 {
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target = <&pwm>;
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__dormant__ {
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pinctrl-names = "default";
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pinctrl-0 = <&pwm_pins>;
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assigned-clock-rates = <1000000>;
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status = "okay";
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};
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};
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fragment@107 {
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target = <&gpio>;
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__dormant__ {
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pwm_pins: pwm_pins {
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brcm,pins = <18>;
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brcm,function = <2>; /* Alt5 */
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};
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};
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};
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fragment@108 {
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target = <&audio>;
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__dormant__ {
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brcm,disable-headphones;
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};
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};
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__overrides__ {
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backlight-gpio = <0>, "+102+103",
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<&backlight>, "gpios:4";
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backlight-pwm = <0>, "+104+105+106+107+108";
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backlight-pwm-chan = <&backlight_pwm>, "pwms:4";
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backlight-pwm-gpio = <&pwm_pins>, "brcm,pins:0";
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backlight-pwm-func = <&pwm_pins>, "brcm,function:0";
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backlight-def-brightness = <&backlight_pwm>, "default-brightness-level:0";
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rotate = <&panel>, "rotation:0";
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};
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};
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