[PATCH v3 2/2] media: soc_camera: pxa_camera documentation device-tree support
From: Robert Jarzmik <robert.jarzmik@free.fr>
Date: 2014-06-29 14:20:00
Also in:
linux-media
Subsystem:
media input infrastructure (v4l/dvb), open firmware and flattened device tree bindings, the rest · Maintainers:
Mauro Carvalho Chehab, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add device-tree bindings documentation for pxa_camera driver.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
---
Since V1: Mark's review
- wildcard pxa27x becomes pxa270
- clock name "camera" becomes "ciclk"
- add mclk clock provider
---
.../devicetree/bindings/media/pxa-camera.txt | 43 ++++++++++++++++++++++
1 file changed, 43 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/pxa-camera.txt
diff --git a/Documentation/devicetree/bindings/media/pxa-camera.txt b/Documentation/devicetree/bindings/media/pxa-camera.txt
new file mode 100644
index 0000000..11f5b5d
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/pxa-camera.txt@@ -0,0 +1,43 @@ +Marvell PXA camera host interface + +Required properties: + - compatible: Should be "marvell,pxa270-qci" + - reg: register base and size + - interrupts: the interrupt number + - any required generic properties defined in video-interfaces.txt + +Optional properties: + - clocks: input clock (see clock-bindings.txt) + - clock-output-names: should contain the name of the clock driving the + sensor master clock MCLK + - clock-frequency: host interface is driving MCLK, and MCLK rate is this rate + +Example: + + pxa_camera: pxa_camera@50000000 { + compatible = "marvell,pxa270-qci"; + reg = <0x50000000 0x1000>; + interrupts = <33>; + + clocks = <&pxa2xx_clks 24>; + clock-names = "ciclk"; + clock-frequency = <50000000>; + clock-output-names = "qci_mclk"; + + status = "okay"; + + port { + #address-cells = <1>; + #size-cells = <0>; + + /* Parallel bus endpoint */ + qci: endpoint@0 { + reg = <0>; /* Local endpoint # */ + remote-endpoint = <&mt9m111_1>; + bus-width = <8>; /* Used data lines */ + hsync-active = <0>; /* Active low */ + vsync-active = <0>; /* Active low */ + pclk-sample = <1>; /* Rising */ + }; + }; + };
--
2.0.0.rc2