[PATCH 04/14] dt-bindings: display: bridge: Add i.MX8qm/qxp pixel combiner binding
From: Liu Ying <victor.liu@nxp.com>
Date: 2020-12-17 10:10:17
Also in:
dri-devel, linux-devicetree, linux-media, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for bridge chips, drm drivers for freescale imx bridge, open firmware and flattened device tree bindings, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Andrzej Hajda, Neil Armstrong, Robert Foss, Liu Ying, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This patch adds bindings for i.MX8qm/qxp pixel combiner. Signed-off-by: Liu Ying <victor.liu@nxp.com> --- .../display/bridge/fsl,imx8qxp-pixel-combiner.yaml | 160 +++++++++++++++++++++ 1 file changed, 160 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pixel-combiner.yaml
diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pixel-combiner.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pixel-combiner.yaml
new file mode 100644
index 00000000..bacacd8
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pixel-combiner.yaml@@ -0,0 +1,160 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/fsl,imx8qxp-pixel-combiner.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qm/qxp Pixel Combiner + +maintainers: + - Liu Ying <victor.liu@nxp.com> + +description: | + The Freescale i.MX8qm/qxp Pixel Combiner takes two output streams from a + single display controller and manipulates the two streams to support a number + of modes(bypass, pixel combine, YUV444 to YUV422, split_RGB) configured as + either one screen, two screens, or virtual screens. The pixel combiner is + also responsible for generating some of the control signals for the pixel link + output channel. + +properties: + compatible: + enum: + - fsl,imx8qm-pixel-combiner + - fsl,imx8qxp-pixel-combiner + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: apb + + power-domains: + maxItems: 1 + +patternProperties: + "^channel@[0-1]$": + type: object + description: Represents a display stream of pixel combiner. + + properties: + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + reg: + description: The display stream index. + oneOf: + - const: 0 + - const: 1 + + port@0: + type: object + description: Input endpoint of the display stream. + + properties: + reg: + const: 0 + + required: + - reg + + port@1: + type: object + description: Output endpoint of the display stream. + + properties: + reg: + const: 1 + + required: + - reg + + required: + - "#address-cells" + - "#size-cells" + - reg + - port@0 + - port@1 + + additionalProperties: false + +required: + - compatible + - "#address-cells" + - "#size-cells" + - reg + - clocks + - clock-names + - power-domains + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/imx8-lpcg.h> + #include <dt-bindings/firmware/imx/rsrc.h> + pixel-combiner@56020000 { + compatible = "fsl,imx8qxp-pixel-combiner"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x56020000 0x10000>; + clocks = <&dc0_pixel_combiner_lpcg IMX_LPCG_CLK_4>; + clock-names = "apb"; + power-domains = <&pd IMX_SC_R_DC_0>; + + channel@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + + port@0 { + reg = <0>; + + dc0_pixel_combiner_ch0_dc0_dpu_disp0: endpoint { + remote-endpoint = <&dc0_dpu_disp0_dc0_pixel_combiner_ch0>; + }; + }; + + port@1 { + reg = <1>; + + dc0_pixel_combiner_ch0_dc0_pixel_link0: endpoint { + remote-endpoint = <&dc0_pixel_link0_dc0_pixel_combiner_ch0>; + }; + }; + }; + + channel@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + + port@0 { + reg = <0>; + + dc0_pixel_combiner_ch1_dc0_dpu_disp1: endpoint { + remote-endpoint = <&dc0_dpu_disp1_dc0_pixel_combiner_ch1>; + }; + }; + + port@1 { + reg = <1>; + + dc0_pixel_combiner_ch1_dc0_pixel_link1: endpoint { + remote-endpoint = <&dc0_pixel_link1_dc0_pixel_combiner_ch1>; + }; + }; + }; + };
--
2.7.4
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