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Wed, 26 Feb 2020 11:23:01 +0100 From: Yuti Amonkar To: , , , , , , , , , , , , Subject: [PATCH v6 1/3] dt-bindings: drm/bridge: Document Cadence MHDP bridge bindings Date: Wed, 26 Feb 2020 11:22:57 +0100 Message-ID: <1582712579-28504-2-git-send-email-yamonkar@cadence.com> X-Mailer: git-send-email 2.4.5 In-Reply-To: <1582712579-28504-1-git-send-email-yamonkar@cadence.com> References: <1582712579-28504-1-git-send-email-yamonkar@cadence.com> MIME-Version: 1.0 X-OrganizationHeadersPreserved: maileu3.global.cadence.com X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:199.43.4.28; IPV:CAL; SCL:-1; CTRY:US; EFV:NLI; SFV:NSPM; SFS:(10009020)(4636009)(36092001)(199004)(189003)(498600001)(186003)(2616005)(42186006)(110136005)(36756003)(26005)(54906003)(26826003)(336012)(426003)(6666004)(356004)(107886003)(7416002)(2906002)(8936002)(81156014)(81166006)(5660300002)(70206006)(86362001)(70586007)(4326008)(8676002)(921003)(21314003)(2101003)(1121003)(83996005); DIR:OUT; SFP:1101; SCL:1; SRVR:CH2PR07MB6630; 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Ip=[199.43.4.28]; Helo=[rmmaillnx1.cadence.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR07MB6630 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-02-26_02:2020-02-26, 2020-02-26 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_check_notspam policy=outbound_check score=0 suspectscore=0 malwarescore=0 clxscore=1015 mlxscore=0 phishscore=0 lowpriorityscore=0 adultscore=0 mlxlogscore=999 spamscore=0 priorityscore=1501 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002260078 X-Mailman-Approved-At: Thu, 27 Feb 2020 08:13:09 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mparab@cadence.com, yamonkar@cadence.com, praneeth@ti.com, jsarha@ti.com, tomi.valkeinen@ti.com, sjakhade@cadence.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Document the bindings used for the Cadence MHDP DPI/DP bridge in yaml format. Signed-off-by: Yuti Amonkar Signed-off-by: Swapnil Jakhade Reviewed-by: Rob Herring Reviewed-by: Laurent Pinchart --- .../bindings/display/bridge/cdns,mhdp.yaml | 127 ++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml new file mode 100644 index 000000000000..cdf5760d4ec5 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml @@ -0,0 +1,127 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/display/bridge/cdns,mhdp.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Cadence MHDP bridge + +maintainers: + - Swapnil Jakhade + - Yuti Amonkar + +properties: + compatible: + enum: + - cdns,mhdp8546 + - ti,j721e-mhdp8546 + + reg: + minItems: 1 + maxItems: 2 + items: + - description: + Register block of mhdptx apb registers up to PHY mapped area (AUX_CONFIG_P). + The AUX and PMA registers are not part of this range, they are instead + included in the associated PHY. + - description: + Register block for DSS_EDP0_INTG_CFG_VP registers in case of TI J7 SoCs. + + reg-names: + minItems: 1 + maxItems: 2 + items: + - const: mhdptx + - const: j721e-intg + + clocks: + maxItems: 1 + description: + DP bridge clock, used by the IP to know how to translate a number of + clock cycles into a time (which is used to comply with DP standard timings + and delays). + + phys: + description: + phandle to the DisplayPort PHY. + + ports: + type: object + description: + Ports as described in Documentation/devicetree/bindings/graph.txt. + + properties: + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + port@0: + type: object + description: + Input port representing the DP bridge input. + + port@1: + type: object + description: + Output port representing the DP bridge output. + + required: + - port@0 + - port@1 + - '#address-cells' + - '#size-cells' + +allOf: + - if: + properties: + compatible: + contains: + const: ti,j721e-mhdp8546 + then: + properties: + reg: + minItems: 2 + reg-names: + minItems: 2 + +required: + - compatible + - clocks + - reg + - reg-names + - phys + - ports + +additionalProperties: false + +examples: + - | + mhdp: dp-bridge@f0fb000000 { + compatible = "cdns,mhdp8546"; + reg = <0xf0 0xfb000000 0x0 0x1000000>; + reg-names = "mhdptx"; + clocks = <&mhdp_clock>; + phys = <&dp_phy>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dp_bridge_input: endpoint { + remote-endpoint = <&xxx_dpi_output>; + }; + }; + + port@1 { + reg = <1>; + dp_bridge_output: endpoint { + remote-endpoint = <&xxx_dp_connector_input>; + }; + }; + }; + }; +...