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arm64: dts: renesas: beacon: Fix RGB Display PWM Backlight

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The backlight didn't really work correctly due to some updates that were
made in hardware.  It should be safe to apply these, because the older
hardware was never shipped to anyone, so it shouldn't break anything.
Because the display driver refers to the display as DPI, this also
renames the backlight to use DPI for consistency.

Signed-off-by: Adam Ford <aford173@gmail.com>
Link: https://lore.kernel.org/r/20201213183759.223246-10-aford173@gmail.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Adam Ford
2020-12-13 12:37:49 -06:00
committed by Geert Uytterhoeven
parent 012f3e37ca
commit 7f1cb15798
1 changed files with 4 additions and 4 deletions
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8
arch/arm64/boot/dts/renesas/beacon-renesom-baseboard.dtsi
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@@ -16,12 +16,12 @@
default-brightness-level = <6>;
};
backlight_rgb: backlight-rgb {
backlight_dpi: backlight-dpi {
compatible = "pwm-backlight";
power-supply = <&reg_lcd>;
enable-gpios = <&gpio_exp1 7 GPIO_ACTIVE_LOW>;
pwms = <&pwm0 0 50000>;
brightness-levels = <0 4 8 16 32 64 128 255>;
pwms = <&pwm0 0 25000>;
brightness-levels = <0 25 33 50 63 75 88 100>;
default-brightness-level = <6>;
};
@@ -135,7 +135,7 @@
rgb {
/* Different LCD with compatible timings */
compatible = "rocktech,rk070er9427";
backlight = <&backlight_rgb>;
backlight = <&backlight_dpi>;
enable-gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
power-supply = <&reg_lcd>;
port {