[PATCH v4 1/2] dt-bindings: leds: backlight: document the SY7758 6-channel High Efficiency LED Driver
From: Neil Armstrong <neil.armstrong@linaro.org>
Date: 2026-05-21 08:08:06
Also in:
dri-devel, linux-devicetree, linux-leds, 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
Document the Silergy SY7758 6-channel High Efficiency LED Driver used for backlight brightness control. Reviewed-by: Krzysztof Kozlowski <redacted> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> --- .../bindings/leds/backlight/silergy,sy7758.yaml | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+)
diff --git a/Documentation/devicetree/bindings/leds/backlight/silergy,sy7758.yaml b/Documentation/devicetree/bindings/leds/backlight/silergy,sy7758.yaml
new file mode 100644
index 000000000000..80e978d691c2
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/backlight/silergy,sy7758.yaml@@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/silergy,sy7758.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Silergy SY7758 6-channel High Efficiency LED Driver + +maintainers: + - Neil Armstrong <neil.armstrong@linaro.org> + +description: + Silergy SY7758 is a high efficiency 6-channels LED backlight + driver with I2C brightness control. + +allOf: + - $ref: common.yaml# + +properties: + compatible: + const: silergy,sy7758 + + reg: + maxItems: 1 + + vddio-supply: true + + enable-gpios: + maxItems: 1 + +required: + - compatible + - reg + - vddio-supply + - enable-gpios + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + backlight@11 { + compatible = "silergy,sy7758"; + reg = <0x11>; + vddio-supply = <&bl_vddio>; + enable-gpios = <&gpio 16 GPIO_ACTIVE_HIGH>; + }; + };
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2.34.1