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Tue, 26 May 2026 07:07:12 +0000 Date: Tue, 26 May 2026 09:06:58 +0200 From: Tommaso Merciai To: Biju Cc: Andrzej Hajda , Neil Armstrong , Robert Foss , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Biju Das , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Luca Ceresoli , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar Mahadev Lad , Conor Dooley Subject: Re: [PATCH v2 1/2] dt-bindings: display: bridge: Document Renesas RZ/G3L LVDS encoder Message-ID: References: <20260524194457.479681-1-biju.das.jz@bp.renesas.com> <20260524194457.479681-2-biju.das.jz@bp.renesas.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260524194457.479681-2-biju.das.jz@bp.renesas.com> X-ClientProxiedBy: FR5P281CA0057.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:f0::15) To TYCPR01MB11947.jpnprd01.prod.outlook.com (2603:1096:400:3e1::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: TYCPR01MB11947:EE_|TYWPR01MB8637:EE_ X-MS-Office365-Filtering-Correlation-Id: 53d0ef8c-763c-4509-d38a-08debaf56916 X-LD-Processed: 53d82571-da19-47e4-9cb4-625a166a4a2a,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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On Sun, May 24, 2026 at 08:44:50PM +0100, Biju wrote: > From: Biju Das > > Document the LVDS encoder IP found on the RZ/G3L SoC. It supports > single-link mode. LVDS and the DSI interface share a peripheral clock and > the MIPI_DSI_PRESET_N reset signal. However, the LVDS module cannot be > used at the same time as MIPI-DSI. > Same here, this should be v3 instead of v2. Apart from that patch LGTM. Reviewed-by: Tommaso Merciai Kind Regards, Tommaso > Signed-off-by: Tommaso Merciai > Acked-by: Conor Dooley > Signed-off-by: Biju Das > --- > v2->v3: > * No change. > v1->v2: > * Collected tag. > --- > .../bridge/renesas,r9a08g046-lvds.yaml | 128 ++++++++++++++++++ > 1 file changed, 128 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/bridge/renesas,r9a08g046-lvds.yaml > > diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,r9a08g046-lvds.yaml b/Documentation/devicetree/bindings/display/bridge/renesas,r9a08g046-lvds.yaml > new file mode 100644 > index 000000000000..b1f6d020ae7b > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/renesas,r9a08g046-lvds.yaml > @@ -0,0 +1,128 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/bridge/renesas,r9a08g046-lvds.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Renesas RZ/G3L LVDS Encoder > + > +maintainers: > + - Biju Das > + - Tommaso Merciai > + > +description: | > + This binding describe the LVDS encoder embedded in the Renesas RZ/G3L > + SoC. The encoder can operate in LVDS Single-link mode with 4 lanes > + (Data) + 1 lane (Clock). > + > +properties: > + compatible: > + const: renesas,r9a08g046-lvds > + > + reg: > + maxItems: 1 > + > + clocks: > + items: > + - description: Peripheral clock > + - description: PHY clock > + - description: Dot clock > + > + clock-names: > + items: > + - const: pclk > + - const: phyclk > + - const: dotclk > + > + resets: > + items: > + - description: LVDS_RESET_N > + - description: MIPI_DSI_PRESET_N > + - description: MIPI_DSI_CMN_RSTB > + - description: MIPI_DSI_ARESET_N > + > + reset-names: > + items: > + - const: lvdrst > + - const: prst > + - const: rst > + - const: arst > + > + power-domains: > + maxItems: 1 > + > + ports: > + $ref: /schemas/graph.yaml#/properties/ports > + > + properties: > + port@0: > + $ref: /schemas/graph.yaml#/properties/port > + description: Input channel, directly connected to the Display Unit. > + > + port@1: > + $ref: /schemas/graph.yaml#/properties/port > + description: | > + Output channel, directly connected to the LVDS panel or bridge. > + > + required: > + - port@0 > + - port@1 > + > +required: > + - compatible > + - reg > + - clocks > + - clock-names > + - resets > + - reset-names > + - power-domains > + - ports > + > +additionalProperties: false > + > +examples: > + - | > + #include > + > + lvds-cmn@108a0000 { > + compatible = "renesas,r9a08g046-lvds-cmn", > + "simple-mfd", "syscon"; > + reg = <0x108a0000 0x10000>; > + #address-cells = <1>; > + #size-cells = <1>; > + > + lvds0: lvds@10 { > + compatible = "renesas,r9a08g046-lvds"; > + reg = <0x10 0x8>; > + clocks = <&cpg CPG_MOD R9A08G046_MIPI_DSI_PCLK>, > + <&cpg CPG_MOD R9A08G046_LVDS_PLLCLK>, > + <&cpg CPG_MOD R9A08G046_LVDS_CLK_DOT0>; > + clock-names = "pclk", "phyclk", "dotclk"; > + resets = <&cpg R9A08G046_LVDS_RESET_N>, > + <&cpg R9A08G046_MIPI_DSI_PRESET_N>, > + <&cpg R9A08G046_MIPI_DSI_CMN_RSTB>, > + <&cpg R9A08G046_MIPI_DSI_ARESET_N>; > + reset-names = "lvdrst", "prst", "rst", "arst"; > + power-domains = <&cpg>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + lvds0_in: endpoint { > + remote-endpoint = <&du_out_lvds0>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + lvds0_out: endpoint { > + remote-endpoint = <&panel_in>; > + }; > + }; > + }; > + }; > + }; > +... > -- > 2.43.0 >