Thread (52 messages) 52 messages, 11 authors, 2017-06-29

[PATCH v1 1/6] DT bindings: add bindings for ov965x camera module

From: afaerber@suse.de (Andreas Färber)
Date: 2017-06-23 10:46:15
Also in: linux-devicetree, linux-media, lkml

Hi,

Am 23.06.2017 um 12:25 schrieb H. Nikolaus Schaller:
quoted
diff --git a/Documentation/devicetree/bindings/media/i2c/ov965x.txt b/Documentation/devicetree/bindings/media/i2c/ov965x.txt
new file mode 100644
index 0000000..0e0de1f
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/ov965x.txt
@@ -0,0 +1,37 @@
+* Omnivision OV9650/9652/9655 CMOS sensor
+
+The Omnivision OV965x sensor support multiple resolutions output, such as
+CIF, SVGA, UXGA. It also can support YUV422/420, RGB565/555 or raw RGB
+output format.
+
+Required Properties:
+- compatible: should be one of
+	"ovti,ov9650"
+	"ovti,ov9652"
+	"ovti,ov9655"
+- clocks: reference to the mclk input clock.
I wonder why you have removed the clock-frequency property?

In some situations the camera driver must be able to tell the clock source
which frequency it wants to see.
That's what assigned-clock-rates property is for:

https://www.kernel.org/doc/Documentation/devicetree/bindings/clock/clock-bindings.txt

AFAIU clock-frequency on devices is deprecated and equivalent to having
a clocks property pointing to a fixed-clock, which is different from a
clock with varying rate.

Regards,
Andreas

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