linux-kernel - [PATCH v4 01/10] media: dt-bindings: marvell,mmp2-ccic: Add Marvell MMP2 camera

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Date:   Mon, 29 Apr 2019 11:16:23 +0200
From:   Lubomir Rintel <lkundrak@...sk>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Jonathan Corbet <corbet@....net>, linux-media@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        James Cameron <quozl@...top.org>, Pavel Machek <pavel@....cz>,
        Libin Yang <lbyang@...vell.com>,
        Albert Wang <twang13@...vell.com>,
        jacopo mondi <jacopo@...ndi.org>,
        Sakari Ailus <sakari.ailus@....fi>,
        Lubomir Rintel <lkundrak@...sk>
Subject: [PATCH v4 01/10] media: dt-bindings: marvell,mmp2-ccic: Add Marvell MMP2 camera

Add Marvell MMP2 camera host interface.

Signed-off-by: Lubomir Rintel <lkundrak@...sk>

---
Changes since v3:
- Dropped the video-interfaces.txt reference
- Clarify "clocks", "clock-names" and "clock-output-names" descriptions
- Refer to other documentation by full path

Changes since v2:
- Added #clock-cells, clock-names, port

Signed-off-by: Lubomir Rintel <lkundrak@...sk>
 
.../bindings/media/marvell,mmp2-ccic.txt      | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/marvell,mmp2-ccic.txt

diff --git a/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.txt b/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.txt
new file mode 100644
index 000000000000..cf7767268c52
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.txt
@@ -0,0 +1,38 @@
+Marvell MMP2 camera host interface
+
+Required properties:
+ - compatible: Should be "marvell,mmp2-ccic".
+ - reg: Register base and size.
+ - interrupts: The interrupt number.
+ - #clock-cells: Nust be 0.
+
+Optional properties:
+ - clocks: Reference to the input clock as specified by
+           Documentation/devicetree/bindings/clock/clock-bindings.txt.
+ - clock-names: Names of the clocks used; "axi" for the AXI bus interface,
+                "func" for the peripheral clock and "phy" for the parallel
+                video bus interface.
+ - clock-output-names: Optional clock source for sensors. Shall be "mclk".
+
+Required subnodes:
+ - port: The parallel bus interface port with a single endpoint linked to
+         the sensor's endpoint as described in
+         Documentation/devicetree/bindings/media/video-interfaces.txt.
+
+Example:
+
+	camera0: camera@...0a000 {
+		compatible = "marvell,mmp2-ccic";
+		reg = <0xd420a000 0x800>;
+		interrupts = <42>;
+		clocks = <&soc_clocks MMP2_CLK_CCIC0>;
+		clock-names = "axi";
+		#clock-cells = <0>;
+		clock-output-names = "mclk";
+
+		port {
+			camera0_0: endpoint {
+				remote-endpoint = <&ov7670_0>;
+			};
+		};
+	};
-- 
2.21.0