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a=openpgp-sha256; l=3529; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=3MDhT7q/WcievpQjDDNOoPwupOVRmxDglFnaq0Qxji0=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBkXjsTc+2KWxxsNC+gphTBNqaqjfizuK6hMljA2xoE Z/aoWqyJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZF47EwAKCRB33NvayMhJ0ZUUD/ wNt+EVWvoMIIiD/p/Rv+tgsc/WgfOc/z75FQsHR+5VQ589t+rFNjeDyTKlJ5O5aJobCrdacSqnLpEq bzyLjlq3HKfA4YjnrOLeFmXa25+jsk/ST4Mfndym3UMtGBbUI1vParUsklWyZTxgFBFCfE5ttuPxcL EsehJagcpU/hORi76dRYwWnuYlk6ATXtedL41GVddLwOSz91l9jtne12ASBD96UeqvZn1Ef5IqMECO tbYbFy+Ce9jaP2w9NmGw+JoFfLwFvsiwcMCcoI9IhdtrIgtS+2lkN9yQdC4C/iWK19nag1IEtaIjiV Jlfe3o1ARZGG9IPOQkNNPL6U122YKZ4qQbmwDPjmo5nH0k/AIRIdZo6DkOHF/z1jTeC+Wu7C9LmLAY ZMXLtxilBdPpvHug3lk3XFd34OQlQNGtsmc5b8PhMy15O2J4U/UcChcnmie9AoraeI9P62QFu8ObFc Jvz7VL7dw84edBMAWac+wIJiXYnOHGwolkhXC5E3qzzkVR6fntQRiwoqYrtrCPDKGWjSq62k53t+vp HwQZ33cXpi9r2kTZn+XtUIpYYNpClXcKkbl/k28BJ95ATnA+JXcMSbWnvJZnuhyTc7RM7B2W0+3FMD zr9J6GwqEaWyZGSZEqOP1L2HTz797qI/OBWw7hVJDn6OTtPZNd1LIGa4f5FQ== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1765694608383720293?= X-GMAIL-MSGID: =?utf-8?q?1765694608383720293?= The Amlogic G12A, G12B & SM1 SoCs embeds a Synopsys DW-MIPI-DSI transceiver (ver 1.21a), with a custom glue managing the IP resets, clock and data input similar to the DW-HDMI Glue on the same Amlogic SoCs. Signed-off-by: Neil Armstrong Signed-off-by: Neil Armstrong Reviewed-by: Conor Dooley --- .../display/amlogic,meson-g12a-dw-mipi-dsi.yaml | 117 +++++++++++++++++++++ 1 file changed, 117 insertions(+) diff --git a/Documentation/devicetree/bindings/display/amlogic,meson-g12a-dw-mipi-dsi.yaml b/Documentation/devicetree/bindings/display/amlogic,meson-g12a-dw-mipi-dsi.yaml new file mode 100644 index 000000000000..8169c7e93ff5 --- /dev/null +++ b/Documentation/devicetree/bindings/display/amlogic,meson-g12a-dw-mipi-dsi.yaml @@ -0,0 +1,117 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2020 BayLibre, SAS +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/amlogic,meson-g12a-dw-mipi-dsi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic specific extensions to the Synopsys Designware MIPI DSI Host Controller + +maintainers: + - Neil Armstrong + +description: | + The Amlogic Meson Synopsys Designware Integration is composed of + - A Synopsys DesignWare MIPI DSI Host Controller IP + - A TOP control block controlling the Clocks & Resets of the IP + +allOf: + - $ref: dsi-controller.yaml# + +properties: + compatible: + enum: + - amlogic,meson-g12a-dw-mipi-dsi + + reg: + maxItems: 1 + + clocks: + minItems: 3 + + clock-names: + minItems: 3 + items: + - const: pclk + - const: bit_clk + - const: px_clk + - const: meas_clk + + resets: + minItems: 1 + + reset-names: + items: + - const: top + + phys: + minItems: 1 + + phy-names: + items: + - const: dphy + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Input node to receive pixel data. + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: DSI output node to panel. + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - reset-names + - phys + - phy-names + - ports + +unevaluatedProperties: false + +examples: + - | + dsi@7000 { + compatible = "amlogic,meson-g12a-dw-mipi-dsi"; + reg = <0x6000 0x400>; + resets = <&reset_top>; + reset-names = "top"; + clocks = <&clk_pclk>, <&bit_clk>, <&clk_px>; + clock-names = "pclk", "bit_clk", "px_clk"; + phys = <&mipi_dphy>; + phy-names = "dphy"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + /* VPU VENC Input */ + mipi_dsi_venc_port: port@0 { + reg = <0>; + + mipi_dsi_in: endpoint { + remote-endpoint = <&dpi_out>; + }; + }; + + /* DSI Output */ + mipi_dsi_panel_port: port@1 { + reg = <1>; + + mipi_out_panel: endpoint { + remote-endpoint = <&mipi_in_panel>; + }; + }; + }; + };