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Sat, 29 Dec 2018 07:07:19 +0000 From: Peter Rosin To: "linux-kernel@vger.kernel.org" CC: Peter Rosin , David Airlie , Rob Herring , Mark Rutland , Archit Taneja , Andrzej Hajda , Laurent Pinchart , "dri-devel@lists.freedesktop.org" , "devicetree@vger.kernel.org" Subject: [PATCH v3 1/5] dt-bindings: display: bridge: fork out ti,ds90c185 from lvds-transmitter Thread-Topic: [PATCH v3 1/5] dt-bindings: display: bridge: fork out ti,ds90c185 from lvds-transmitter Thread-Index: AQHUn0UjTwFZ5Unco0Sw1517iPZW4g== Date: Sat, 29 Dec 2018 07:07:19 +0000 Message-ID: <20181229070649.21308-2-peda@axentia.se> References: <20181229070649.21308-1-peda@axentia.se> In-Reply-To: <20181229070649.21308-1-peda@axentia.se> Accept-Language: en-US, sv-SE Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.11.0 x-originating-ip: [85.226.244.23] x-clientproxiedby: HE1PR0502CA0002.eurprd05.prod.outlook.com (2603:10a6:3:e3::12) To AM0PR0202MB3267.eurprd02.prod.outlook.com (2603:10a6:208:5::20) authentication-results: spf=none (sender IP is ) smtp.mailfrom=peda@axentia.se; 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DIR:OUT; SFP:1102; SCL:1; SRVR:AM0PR0202MB3459; H:AM0PR0202MB3267.eurprd02.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: axentia.se does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: +5bm+Blk1x9G1h5YRLbnmUkckiSQz0IcASGxbJ1g5EN9Dz6AhDzAuloChrttuA+7FpU6jskqwHE0sAVk+9PtZKcfBkPzMfnEeUqcR80m7SJqJ+c86wDCXeH82OVAZOk1F2y4ve9wllXNkugj70X/vknVZK63uQ1O3olDRQCp5BWko2xtfV14cwGX54w1zZB6w1Rm/6LMuMUIEjPudAfOYSNDduhkDOt86VDOXUY5iDXM95HaSwbrhzDk+Tu1etbjd0gZVrifjSuSrQlDIhJZN5JZYbBFAcZfVsWzJi7EZN8yiaGnxXpJtaZGySlpJVA6 spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: axentia.se X-MS-Exchange-CrossTenant-Network-Message-Id: a5e9bb04-a616-4c90-5396-08d66d5c4568 X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Dec 2018 07:07:19.2280 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 4ee68585-03e1-4785-942a-df9c1871a234 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR0202MB3459 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org DS90C185 has a shutdown pin which does not fit in the lvds-transmitter binding, which is meant to be generic. The sister chip DS90C187 is similar to DS90C185, describe it here as well. Signed-off-by: Peter Rosin Reviewed-by: Laurent Pinchart --- .../bindings/display/bridge/lvds-transmitter.txt | 8 +--- .../bindings/display/bridge/ti,ds90c185.txt | 55 ++++++++++++++++++++++ 2 files changed, 56 insertions(+), 7 deletions(-) create mode 100644 Documentation/devicetree/bindings/display/bridge/ti,ds90c185.txt diff --git a/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt b/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt index 50220190c203..fd39ad34c383 100644 --- a/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt +++ b/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt @@ -22,13 +22,7 @@ among others. Required properties: -- compatible: Must be one or more of the following - - "ti,ds90c185" for the TI DS90C185 FPD-Link Serializer - - "lvds-encoder" for a generic LVDS encoder device - - When compatible with the generic version, nodes must list the - device-specific version corresponding to the device first - followed by the generic version. +- compatible: Must be "lvds-encoder" Required nodes: diff --git a/Documentation/devicetree/bindings/display/bridge/ti,ds90c185.txt b/Documentation/devicetree/bindings/display/bridge/ti,ds90c185.txt new file mode 100644 index 000000000000..e575f996959a --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/ti,ds90c185.txt @@ -0,0 +1,55 @@ +Texas Instruments FPD-Link (LVDS) Serializer +-------------------------------------------- + +The DS90C185 and DS90C187 are low-power serializers for portable +battery-powered applications that reduces the size of the RGB +interface between the host GPU and the display. + +Required properties: + +- compatible: Should be + "ti,ds90c185", "lvds-encoder" for the TI DS90C185 FPD-Link Serializer + "ti,ds90c187", "lvds-encoder" for the TI DS90C187 FPD-Link Serializer + +Optional properties: + +- powerdown-gpios: Power down control GPIO (the PDB pin, active-low) + +Required nodes: + +The devices have two video ports. Their connections are modeled using the OF +graph bindings specified in Documentation/devicetree/bindings/graph.txt. + +- Video port 0 for parallel input +- Video port 1 for LVDS output + + +Example +------- + +lvds-encoder { + compatible = "ti,ds90c185", "lvds-encoder"; + + powerdown-gpios = <&gpio 17 GPIO_ACTIVE_LOW>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + lvds_enc_in: endpoint { + remote-endpoint = <&lcdc_out_rgb>; + }; + }; + + port@1 { + reg = <1>; + + lvds_enc_out: endpoint { + remote-endpoint = <&lvds_panel_in>; + }; + }; + }; +}; From patchwork Sat Dec 29 07:07:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Rosin X-Patchwork-Id: 1019303 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; 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Reviewed-by: Rob Herring Signed-off-by: Peter Rosin Reviewed-by: Laurent Pinchart --- Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt | 2 -- 1 file changed, 2 deletions(-) diff --git a/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt b/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt index fd39ad34c383..36ce07c8d8e6 100644 --- a/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt +++ b/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt @@ -38,8 +38,6 @@ Example lvds-encoder { compatible = "lvds-encoder"; - #address-cells = <1>; - #size-cells = <0>; ports { #address-cells = <1>; From patchwork Sat Dec 29 07:07:31 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Rosin X-Patchwork-Id: 1019305 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; 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DIR:OUT; SFP:1102; SCL:1; SRVR:AM0PR0202MB3459; H:AM0PR0202MB3267.eurprd02.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: axentia.se does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: Hl7ipg8EJV2zG7rLTEYfHNGr79MVOVfSi41pIpLxFV89GEr1eivOFijZ/JADGmQK/u5UYAlP2tWsmusHco2FRUxHDqegnuwaqz9s6ueeeHaO5CvwKPBUuKkONYS9YC99v72ywzYlHq36JtNYzAvg0rhnYUw7giIc9oGQAl/pMh1EuM9UIChctA4rKvJQZaM9VXP1W+v1UjAgg2OmM+koJ2aS3SL/1W/0GUpB/t2KuyYwI9Td/X0vFCkmQEAJSquPrZwhOCcVz2GCYC26oWEHCw71qcfS9qlfB3dTnVLDkBJ25v+vKWx3wkY7X6SpWf3B spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: axentia.se X-MS-Exchange-CrossTenant-Network-Message-Id: 4dc5473c-bf53-4367-cabd-08d66d5c4c8b X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Dec 2018 07:07:31.7298 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 4ee68585-03e1-4785-942a-df9c1871a234 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR0202MB3459 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The name powerdown-gpios is the standard property name for the functionality covered by the previous pwdn-gpios name. This rename should be safe to do since the linux driver supporting the binding (lvds-encoder.c) never implemented the property, and no dts file names it. At least not upstream. Signed-off-by: Peter Rosin Reviewed-by: Rob Herring Reviewed-by: Laurent Pinchart --- Documentation/devicetree/bindings/display/bridge/thine,thc63lvdm83d.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/display/bridge/thine,thc63lvdm83d.txt b/Documentation/devicetree/bindings/display/bridge/thine,thc63lvdm83d.txt index 527e236e9a2a..fee3c88e1a17 100644 --- a/Documentation/devicetree/bindings/display/bridge/thine,thc63lvdm83d.txt +++ b/Documentation/devicetree/bindings/display/bridge/thine,thc63lvdm83d.txt @@ -10,7 +10,7 @@ Required properties: Optional properties: -- pwdn-gpios: Power down control GPIO +- powerdown-gpios: Power down control GPIO (the /PWDN pin, active low). Required nodes: