[PATCH 2/3] dt-bindings: backlight: lm3630a: add entries to control boost frequency
From: Maximilian Weigand <hidden>
Date: 2023-06-14 19:09:37
Also in:
dri-devel, linux-arm-kernel, linux-devicetree, linux-leds, linux-rockchip, lkml
Subsystem:
led subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Lee Jones, Pavel Machek, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Maximilian Weigand <redacted> Add 'ti,boost_use_1mhz' to switch between 500 kHz and 1 MHz boost converter switching frequency, and add 'ti,boost_frequency_shift' to activate a frequency shift to 560 kHz or 1.12 MHz, respectively. Signed-off-by: Maximilian Weigand <redacted> --- .../bindings/leds/backlight/lm3630a-backlight.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
index 3c9b4054ed9a..ef7ea0ad2d25 100644
--- a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
+++ b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml@@ -33,6 +33,18 @@ properties: description: GPIO to use to enable/disable the backlight (HWEN pin). maxItems: 1 + ti,boost_use_1mhz: + description: | + If present, change the boost converter switching frequency from the + default 500 kHz to 1 MHz. Refer to data sheet for hardware requirements. + type: boolean + + ti,boost_frequency_shift: + description: | + If present, change boost converter switching frequency from 500 kHz to + 560 kHz or from 1 Mhz to 1.12 Mhz, respectively. + type: boolean + required: - compatible - reg
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2.39.2