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Wed, 17 Mar 2021 03:56:35 +0000 From: Liu Ying To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Cc: airlied@linux.ie, daniel@ffwll.ch, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, mchehab@kernel.org, a.hajda@samsung.com, narmstrong@baylibre.com, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@siol.net, kishon@ti.com, vkoul@kernel.org, robert.foss@linaro.org, lee.jones@linaro.org Subject: [PATCH v6 03/14] dt-bindings: display: bridge: Add i.MX8qm/qxp pixel combiner binding Date: Wed, 17 Mar 2021 11:42:38 +0800 Message-Id: <1615952569-4711-4-git-send-email-victor.liu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1615952569-4711-1-git-send-email-victor.liu@nxp.com> References: <1615952569-4711-1-git-send-email-victor.liu@nxp.com> X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: HK2PR04CA0090.apcprd04.prod.outlook.com (2603:1096:202:15::34) To VI1PR04MB3983.eurprd04.prod.outlook.com (2603:10a6:803:4c::16) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by HK2PR04CA0090.apcprd04.prod.outlook.com (2603:1096:202:15::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3955.18 via Frontend Transport; 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Reviewed-by: Rob Herring Signed-off-by: Liu Ying --- v5->v6: * No change. v4->v5: * No change. v3->v4: * No change. v2->v3: * Add Rob's R-b tag. v1->v2: * Use graph schema. (Laurent) * Use enum instead of oneOf + const for the reg property of pixel combiner channels. (Rob) .../display/bridge/fsl,imx8qxp-pixel-combiner.yaml | 144 +++++++++++++++++++++ 1 file changed, 144 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..50bae21 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pixel-combiner.yaml @@ -0,0 +1,144 @@ +# 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 + +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. + enum: [ 0, 1 ] + + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Input endpoint of the display stream. + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: Output endpoint of the display stream. + + 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 + #include + 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>; + }; + }; + }; + };