Re: [PATCH v2 1/2] dt-bindings: backlight: Add Orient Chip OCP8178
From: Daniel Thompson <danielt@kernel.org>
Date: 2026-08-13 09:43:15
Also in:
dri-devel, linux-devicetree, linux-leds, lkml
On Wed, Aug 12, 2026 at 09:21:46PM +0200, Wim de With wrote:
quoted hunk ↗ jump to hunk
Add device tree bindings for the Orient Chip OCP8178 LED backlight driver. Signed-off-by: Wim de With <redacted> --- .../bindings/leds/backlight/ocs,ocp8178.yaml | 47 ++++++++++++++++++++++ MAINTAINERS | 5 +++ 2 files changed, 52 insertions(+)diff --git a/Documentation/devicetree/bindings/leds/backlight/ocs,ocp8178.yaml b/Documentation/devicetree/bindings/leds/backlight/ocs,ocp8178.yaml new file mode 100644 index 0000000000000..57c44d3383b88 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/ocs,ocp8178.yaml@@ -0,0 +1,47 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/ocs,ocp8178.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Orient Chip OCP8178 backlight + +maintainers: + - Wim de With <wf@dewith.io> + +description: + The Orient Chip OCP8178 is a white LED backlight driver controlled by a single + GPIO line with a vendor-specific onewire protocol. + +allOf: + - $ref: common.yaml# + +properties: + compatible: + const: ocs,ocp8178 + + enable-gpios: + description: GPIO to use to enable/disable and dim the backlight. + maxItems: 1
Is this really an "enable" GPIO? The enable-gpio(s) for most backlights is the HWEN pin rather than something used for protocol. Maybe onewire-gpios or control-gpios? Daniel.