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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: axentia.se X-MS-Exchange-CrossTenant-Network-Message-Id: a17466f9-ee70-45e0-e3f8-08d677d819fa X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Jan 2019 15:18:54.5703 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 4ee68585-03e1-4785-942a-df9c1871a234 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR02MB3735 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 --- .../bindings/display/bridge/lvds-transmitter.txt | 10 ++-- .../bindings/display/bridge/ti,ds90c185.txt | 55 ++++++++++++++++++= ++++ 2 files changed, 59 insertions(+), 6 deletions(-) create mode 100644 Documentation/devicetree/bindings/display/bridge/ti,ds9= 0c185.txt diff --git a/Documentation/devicetree/bindings/display/bridge/lvds-transmit= ter.txt b/Documentation/devicetree/bindings/display/bridge/lvds-transmitter= .txt index 50220190c203..bc6960741cb5 100644 --- a/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt +++ b/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt @@ -22,13 +22,11 @@ among others. =20 Required properties: =20 -- 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 +- compatible: Must be "lvds-encoder" =20 - When compatible with the generic version, nodes must list the - device-specific version corresponding to the device first - followed by the generic version. + Any encoder compatible with this generic binding, but with additional + properties not listed here, must list a device specific compatible first + followed by this generic compatible. =20 Required nodes: =20 diff --git a/Documentation/devicetree/bindings/display/bridge/ti,ds90c185.t= xt 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 =3D "ti,ds90c185", "lvds-encoder"; + + powerdown-gpios =3D <&gpio 17 GPIO_ACTIVE_LOW>; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + lvds_enc_in: endpoint { + remote-endpoint =3D <&lcdc_out_rgb>; + }; + }; + + port@1 { + reg =3D <1>; + + lvds_enc_out: endpoint { + remote-endpoint =3D <&lvds_panel_in>; + }; + }; + }; +}; --=20 2.11.0