| Message ID | 20220516162826.23025-2-max.oss.09@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/panel: simple: add bus-format support for panel-dpi | expand |
On Mon, 16 May 2022 18:28:25 +0200, Max Krummenacher wrote: > From: Max Krummenacher <max.krummenacher@toradex.com> > > The property is used to set the enum bus_format and infer the bpc > for a panel defined by 'panel-dpi'. > This specifies how the panel is connected to the display interface. > > Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com> > --- > > .../bindings/display/panel/panel-dpi.yaml | 11 +++++++++ > .../dt-bindings/display/dt-media-bus-format.h | 23 +++++++++++++++++++ > 2 files changed, 34 insertions(+) > create mode 100644 include/dt-bindings/display/dt-media-bus-format.h > My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check' on your patch (DT_CHECKER_FLAGS is new in v5.13): yamllint warnings/errors: dtschema/dtc warnings/errors: Error: Documentation/devicetree/bindings/display/panel/panel-dpi.example.dts:20.9-10 syntax error FATAL ERROR: Unable to parse input tree make[1]: *** [scripts/Makefile.lib:364: Documentation/devicetree/bindings/display/panel/panel-dpi.example.dtb] Error 1 make[1]: *** Waiting for unfinished jobs.... make: *** [Makefile:1401: dt_binding_check] Error 2 doc reference errors (make refcheckdocs): See https://patchwork.ozlabs.org/patch/ This check can fail if there are any dependencies. The base for a patch series is generally the most recent rc1. If you already ran 'make dt_binding_check' and didn't see the above error(s), then make sure 'yamllint' is installed and dt-schema is up to date: pip3 install dtschema --upgrade Please check and re-submit.
diff --git a/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml b/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml index dae0676b5c6e..ca44e96c3001 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml +++ b/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml @@ -21,6 +21,14 @@ properties: - {} - const: panel-dpi + bus-format: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Describes how the display panel is connected to the display interface. + Valid values are defined in <dt-bindings/display/dt-media-bus-format.h>. + The mapping between the color/significance of the panel lines to the + parallel data lines are defined in [1]. + [1] https://www.kernel.org/doc/html/v5.17/userspace-api/media/v4l/subdev-formats.html#packed-rgb-formats backlight: true enable-gpios: true height-mm: true @@ -39,11 +47,14 @@ additionalProperties: false examples: - | + #include <dt-bindings/display/dt-media-bus-format.h> + ... panel { compatible = "startek,startek-kd050c", "panel-dpi"; label = "osddisplay"; power-supply = <&vcc_supply>; backlight = <&backlight>; + bus-format = "DT_MEDIA_BUS_FMT_RGB888_1X24"; port { lcd_in: endpoint { diff --git a/include/dt-bindings/display/dt-media-bus-format.h b/include/dt-bindings/display/dt-media-bus-format.h new file mode 100644 index 000000000000..c0f2a7b59aa1 --- /dev/null +++ b/include/dt-bindings/display/dt-media-bus-format.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR MIT */ +/* + * Copyright 2022 Max Krummenacher <max.krummenacher@toradex.com> + */ + +#ifndef __DT_BINDINGS_DT_MEDIA_BUS_FORMAT_H +#define __DT_BINDINGS_DT_MEDIA_BUS_FORMAT_H + +/* + * Attention: Keep these macro names in sync with + * include/uapi/linux/media-bus-format.h + */ + +#define DT_MEDIA_BUS_FMT_RGB565_1X16 1 +#define DT_MEDIA_BUS_FMT_RGB666_1X18 2 +#define DT_MEDIA_BUS_FMT_RBG888_1X24 3 +#define DT_MEDIA_BUS_FMT_RGB666_1X24_CPADHI 4 +#define DT_MEDIA_BUS_FMT_BGR888_1X24 5 +#define DT_MEDIA_BUS_FMT_GBR888_1X24 6 +#define DT_MEDIA_BUS_FMT_RGB888_1X24 7 +#define DT_MEDIA_BUS_FMT_RGB888_1X32_PADHI 8 + +#endif /* __DT_BINDINGS_DT_MEDIA_BUS_FORMAT_H */