From: Yuti Amonkar <yamonkar@cadence.com>
To: <linux-kernel@vger.kernel.org>, <dri-devel@lists.freedesktop.org>,
<devicetree@vger.kernel.org>, <robh+dt@kernel.org>,
<maxime@cerno.tech>, <airlied@linux.ie>, <daniel@ffwll.ch>,
<mark.rutland@arm.com>, <a.hajda@samsung.com>,
<narmstrong@baylibre.com>, <Laurent.pinchart@ideasonboard.com>,
<jonas@kwiboo.se>, <jernej.skrabec@siol.net>
Cc: <praneeth@ti.com>, <jsarha@ti.com>, <tomi.valkeinen@ti.com>,
<mparab@cadence.com>, <sjakhade@cadence.com>,
<yamonkar@cadence.com>
Subject: [PATCH v3 1/3] dt-bindings: drm/bridge: Document Cadence MHDP bridge bindings in yaml format
Date: Wed, 22 Jan 2020 11:54:59 +0100 [thread overview]
Message-ID: <1579690501-10698-2-git-send-email-yamonkar@cadence.com> (raw)
In-Reply-To: <1579690501-10698-1-git-send-email-yamonkar@cadence.com>
Document the bindings used for the Cadence MHDP DPI/DP bridge in
yaml format.
Signed-off-by: Yuti Amonkar <yamonkar@cadence.com>
---
.../bindings/display/bridge/cdns,mhdp.yaml | 131 +++++++++++++++++++++
1 file changed, 131 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 0000000..696418a
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml
@@ -0,0 +1,131 @@
+%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 <sjakhade@cadence.com>
+ - Yuti Amonkar <yamonkar@cadence.com>
+
+properties:
+ compatible:
+ enum:
+ - cdns,mhdp8546
+ - ti,j721e-mhdp8546
+
+ reg:
+ minItems: 1
+ maxItems: 2
+ items:
+ - description:
+ Register block of mhdptx apb registers upto PHY mapped area(AUX_CONFIG_P).
+ The AUX and PMA registers are mapped to associated phy driver.
+ - 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, it's 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 DisplyPort phy.
+
+ phy-names:
+ const: dpphy
+
+ 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
+ maxItems: 2
+ reg-names:
+ minItems: 2
+ maxItems: 2
+
+required:
+ - compatible
+ - clocks
+ - reg
+ - reg-names
+ - phys
+ - phy-names
+ - 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>;
+ phy-names = "dpphy";
+
+ 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>;
+ };
+ };
+ };
+ };
+...
--
2.4.5
next prev parent reply other threads:[~2020-01-22 10:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-22 10:54 [PATCH v3 0/3] drm: Add support for Cadence MHDP DPI/DP bridge and J721E wrapper Yuti Amonkar
2020-01-22 10:54 ` Yuti Amonkar [this message]
2020-01-27 17:14 ` [PATCH v3 1/3] dt-bindings: drm/bridge: Document Cadence MHDP bridge bindings in yaml format Rob Herring
2020-01-22 10:55 ` [PATCH v3 2/3] drm: bridge: Add support for Cadence MHDP DPI/DP bridge Yuti Amonkar
2020-01-29 17:18 ` Jyri Sarha
2020-01-22 10:55 ` [PATCH v3 3/3] drm/mhdp: add j721e wrapper Yuti Amonkar
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