From patchwork Tue Feb 21 09:50:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pin-yen Lin X-Patchwork-Id: 13147586 Received: from mail-pj1-f51.google.com (mail-pj1-f51.google.com [209.85.216.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5519F1C07 for ; Tue, 21 Feb 2023 09:51:40 +0000 (UTC) Received: by mail-pj1-f51.google.com with SMTP id oe18-20020a17090b395200b00236a0d55d3aso4611687pjb.3 for ; Tue, 21 Feb 2023 01:51:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=o4fVi7HmxcPpWdn3N6vTwqgTV0F5HMpYogidtKQ1pQw=; b=nEdFNmWJzn6Q9xlUxWhqBvT69Y8lHI4lKokI2s96szwpyGG+6CuGzqwGglsZpSgRKy DxyAIB1tnEQBsiVMLxDIHrixTAyhh5761sWCl3d/ubFuP8Pfo3I6RfNjrEYNYeBosVGl Se+8IycDR5zXcM2tqq87BeJYzZMeT+nRbg38U= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=o4fVi7HmxcPpWdn3N6vTwqgTV0F5HMpYogidtKQ1pQw=; b=z+unpU/mhRH60cn3G7Th4w81ZfNIr5jHg/sDRJOGYx9uLoh18IY/wMzxd0bT/1MPoA GruDI4rf9rWGIO7n1oAWAyWZEiqEg6ULPYYSFR/xyAjRpkocV9Bz8rKVfRxzZJIH3WFn LUDxgn9pDm+Z4ZkMgUUeYYQxiE8HWvatVe+Bkg5U+l3asvoPcmLI8rtLEIAN71v2yxJ+ kK3L/dTPEHoLkhHFk4VF0bCcUdBKuSlSlrZCuthduiHfZC3dhtycsRx4qxRujTBk42Vn HQBCghVOv3V1lEpGNkJYShBjHu+TYgiq3yHkHRVNUEDn1iagG4l3CK8l7T/yaNTvGTgH X5Rg== X-Gm-Message-State: AO0yUKWxfPJqVSWaZA6iPtKdxDUsZKAvhznd4sL+3EtTQD9OQ7e/5M2p ReBq2XmjNaFHAbt1kkQ0Yum9dQ== X-Google-Smtp-Source: AK7set9Cq3GKyKWPQU75YWHBmQ7WiE8T/7ZjWs17tOw4kPz+GmxRawlR6jhS9klWWMxegoxMExwMUw== X-Received: by 2002:a05:6a20:8420:b0:c7:20d8:dc21 with SMTP id c32-20020a056a20842000b000c720d8dc21mr4873634pzd.15.1676973099837; Tue, 21 Feb 2023 01:51:39 -0800 (PST) Received: from treapking.tpe.corp.google.com ([2401:fa00:1:10:a1f5:f58d:584e:5906]) by smtp.gmail.com with ESMTPSA id t25-20020a656099000000b004eca54eab50sm3524918pgu.28.2023.02.21.01.51.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Feb 2023 01:51:39 -0800 (PST) From: Pin-yen Lin To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Andy Shevchenko , Daniel Scally , Heikki Krogerus , Sakari Ailus , Greg Kroah-Hartman , "Rafael J . Wysocki" , Prashant Malani , Benson Leung , Guenter Roeck Cc: Pin-yen Lin , linux-kernel@vger.kernel.org, Hsin-Yi Wang , Marek Vasut , Thomas Zimmermann , dri-devel@lists.freedesktop.org, Xin Ji , Lyude Paul , Allen Chen , devicetree@vger.kernel.org, AngeloGioacchino Del Regno , =?utf-8?q?N=C3=ADcolas_F_=2E_R_=2E_A_=2E_Prado?= , chrome-platform@lists.linux.dev, Javier Martinez Canillas , linux-acpi@vger.kernel.org, Stephen Boyd , Krzysztof Kozlowski , Chen-Yu Tsai Subject: [PATCH v12 04/10] dt-bindings: display: bridge: anx7625: Add mode-switch support Date: Tue, 21 Feb 2023 17:50:48 +0800 Message-Id: <20230221095054.1868277-5-treapking@chromium.org> X-Mailer: git-send-email 2.39.2.637.g21b0678d19-goog In-Reply-To: <20230221095054.1868277-1-treapking@chromium.org> References: <20230221095054.1868277-1-treapking@chromium.org> Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Analogix 7625 can be used in systems to switch the DP traffic between two downstreams, which can be USB Type-C DisplayPort alternate mode lane or regular DisplayPort output ports. Update the binding to accommodate this usage by introducing a data-lanes and a mode-switch property on endpoints. Also include the link to the product brief in the bindings. Signed-off-by: Pin-yen Lin Reviewed-by: Krzysztof Kozlowski Reviewed-by: Chen-Yu Tsai Tested-by: Chen-Yu Tsai Reviewed-by: AngeloGioacchino Del Regno --- Changes in v12: - Removed the 4-lane binding in analogix,anx7625.yaml - Reworded the description for the mode-switch property Changes in v11: - Updated the description of the endpoints - Referenced video-interfaces.yaml instead for the endpoints Changes in v10: - Collected Reviewed-by and Tested-by tags Changes in v9: - Collected Reviewed-by tag Changes in v8: - Updated anx7625 bindings for data-lane property - Fixed the subject prefix Changes in v7: - Fixed issues reported by dt_binding_check - Updated the schema and the example dts for data-lanes. - Changed to generic naming for the example dts node. Changes in v6: - Remove switches node and use endpoints and data-lanes property to describe the connections. .../display/bridge/analogix,anx7625.yaml | 88 ++++++++++++++++++- 1 file changed, 85 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml index 4590186c4a0b..a50de536cffd 100644 --- a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml +++ b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml @@ -12,7 +12,8 @@ maintainers: description: | The ANX7625 is an ultra-low power 4K Mobile HD Transmitter - designed for portable devices. + designed for portable devices. Product brief is available at + https://www.analogix.com/en/system/files/AA-002291-PB-6-ANX7625_ProductBrief.pdf properties: compatible: @@ -112,9 +113,40 @@ properties: data-lanes: true port@1: - $ref: /schemas/graph.yaml#/properties/port + $ref: /schemas/graph.yaml#/$defs/port-base description: - Video port for panel or connector. + Video port for panel or connector. Each endpoint connects to a video + output downstream, and the "data-lanes" property is used to describe + the pin connections. 0, 1, 2, 3 in "data-lanes" maps to SSRX1, SSTX1, + SSRX2, SSTX2, respectively. + + patternProperties: + "^endpoint@[01]$": + $ref: /schemas/media/video-interfaces.yaml# + properties: + reg: true + + remote-endpoint: true + + data-lanes: + oneOf: + - items: + - enum: [0, 1, 2, 3] + + - items: + - const: 0 + - const: 1 + + - items: + - const: 2 + - const: 3 + + mode-switch: + type: boolean + description: Serves as Type-C mode switch if present. + + required: + - remote-endpoint required: - port@0 @@ -186,3 +218,53 @@ examples: }; }; }; + - | + i2c3 { + #address-cells = <1>; + #size-cells = <0>; + + encoder@58 { + compatible = "analogix,anx7625"; + reg = <0x58>; + pinctrl-names = "default"; + pinctrl-0 = <&anx7625_dp_pins>; + enable-gpios = <&pio 176 GPIO_ACTIVE_HIGH>; + reset-gpios = <&pio 177 GPIO_ACTIVE_HIGH>; + vdd10-supply = <&pp1100_dpbrdg>; + vdd18-supply = <&pp1800_dpbrdg_dx>; + vdd33-supply = <&pp3300_dpbrdg_dx>; + analogix,audio-enable; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + anx7625_dp_in: endpoint { + bus-type = <7>; + remote-endpoint = <&dpi_out>; + }; + }; + + port@1 { + #address-cells = <1>; + #size-cells = <0>; + + reg = <1>; + anx_typec0: endpoint@0 { + reg = <0>; + mode-switch; + data-lanes = <0 1>; + remote-endpoint = <&typec_port0>; + }; + anx_typec1: endpoint@1 { + reg = <1>; + mode-switch; + data-lanes = <2 3>; + remote-endpoint = <&typec_port1>; + }; + }; + }; + }; + };