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From: AngeloGioacchino Del Regno  <angelogioacchino.delregno@collabora.com>
To: matthias.bgg@gmail.com
Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	AngeloGioacchino Del Regno 
	<angelogioacchino.delregno@collabora.com>
Subject: [PATCH 7/8] arm64: dts: mediatek: cherry: Enable keyboard PWM backlight
Date: Thu, 21 Jul 2022 15:42:27 +0200	[thread overview]
Message-ID: <20220721134228.310178-8-angelogioacchino.delregno@collabora.com> (raw)
In-Reply-To: <20220721134228.310178-1-angelogioacchino.delregno@collabora.com>

Add a pwm-leds node to enable the PWM controlled keyboard backlight.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
index ca9955a97f8f..9086a440a995 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
@@ -4,6 +4,7 @@
  */
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
 #include "mt8195.dtsi"
 #include "mt6359.dtsi"
 
@@ -31,6 +32,18 @@ dmic_codec: dmic-codec {
 		wakeup-delay-ms = <50>;
 	};
 
+	led-controller {
+		compatible = "pwm-leds";
+
+		keyboard_backlight: keyboard-backlight {
+			default-state = "off";
+			function = LED_FUNCTION_KBD_BACKLIGHT;
+			label = "cros_ec::kbd_backlight";
+			max-brightness = <1023>;
+			pwms = <&cros_ec_pwm 3>;
+		};
+	};
+
 	memory@40000000 {
 		device_type = "memory";
 		reg = <0 0x40000000 0 0x80000000>;
-- 
2.35.1


  parent reply	other threads:[~2022-07-21 13:43 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-21 13:42 [PATCH 0/8] MT8195 Acer Tomato - devicetrees Part 2 AngeloGioacchino Del Regno
2022-07-21 13:42 ` [PATCH 1/8] arm64: dts: mediatek: cherry: Enable the System Companion Processor AngeloGioacchino Del Regno
2022-07-21 13:42 ` [PATCH 2/8] arm64: dts: mediatek: cherry: Wire up the ChromeOS EC and GSC AngeloGioacchino Del Regno
2022-07-21 13:42 ` [PATCH 3/8] arm64: dts: mediatek: cherry: Add keyboard mapping for the top row AngeloGioacchino Del Regno
2022-07-21 13:42 ` [PATCH 4/8] arm64: dts: mediatek: cherry: Enable secondary SD/MMC controller AngeloGioacchino Del Regno
2022-07-21 13:42 ` [PATCH 5/8] arm64: dts: mediatek: cherry: Enable Elantech eKTH3000 i2c trackpad AngeloGioacchino Del Regno
2022-07-21 13:42 ` [PATCH 6/8] arm64: dts: mediatek: cherry: Enable DSP, audio codec and sound card AngeloGioacchino Del Regno
2022-07-21 13:42 ` AngeloGioacchino Del Regno [this message]
2022-07-21 13:42 ` [PATCH 8/8] arm64: dts: mediatek: cherry: Enable MT6315 regulators on SPMI bus AngeloGioacchino Del Regno
2022-07-21 14:46   ` AngeloGioacchino Del Regno

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