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SubjectRe: [PATCH 06/17] Documentation: Define the MOP500 Audio Machine Driver Device Tree bindings
On Tue, Sep 11, 2012 at 11:06:00AM +0200, Ola Lilja wrote:
> On 09/10/2012 06:44 PM, Lee Jones wrote:
>
> > Ola poke.
> >
> > On Fri, Aug 24, 2012 at 03:01:42PM +0100, Lee Jones wrote:
> >> Here we add the required documentation for the new Device Tree
> >> bindings pertaining to the MOP500 Audio Machine driver.
> >>
> >> CC: alsa-devel@alsa-project.org
> >> Signed-off-by: Lee Jones <lee.jones@linaro.org>
> >> ---
> >> .../devicetree/bindings/sound/ux500-mop500.txt | 39 ++++++++++++++++++++
> >> 1 file changed, 39 insertions(+)
> >> create mode 100644 Documentation/devicetree/bindings/sound/ux500-mop500.txt
> >>
> >> diff --git a/Documentation/devicetree/bindings/sound/ux500-mop500.txt b/Documentation/devicetree/bindings/sound/ux500-mop500.txt
> >> new file mode 100644
> >> index 0000000..48e071c
> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/sound/ux500-mop500.txt
> >> @@ -0,0 +1,39 @@
> >> +* MOP500 Audio Machine Driver
> >> +
> >> +This node is responsible for linking together all ux500 Audio Driver components.
> >> +
> >> +Required properties:
> >> + - compatible : "stericsson,snd-soc-mop500"
> >> +
> >> +Non-standard properties:
> >> + - stericsson,cpu-dai : Phandle to the CPU-side DAI
> >> + - stericsson,audio-codec : Phandle to the Audio CODEC
> >> + - stericsson,card-name : Over-ride default card name
> >> +
> >> +Example:
> >> +
> >> + sound {
> >> + compatible = "stericsson,snd-soc-mop500";
> >> +
> >> + stericsson,cpu-dai = <&msp1 &msp3>;
> >> + stericsson,audio-codec = <&codec>;
> >> + };
> >> +
> >> + msp1: msp@80124000 {
> >> + compatible = "stericsson,ux500-msp-i2s";
> >> + reg = <0x80124000 0x1000>;
> >> + interrupts = <0 62 0x4>;
> >> + v-ape-supply = <&db8500_vape_reg>;
>
>
> I'm no DT-expert, but why are you adding MSP-stuff in the machine-driver? They
> are also added in the next patch.

This is a documentation file. Duplication is not important, as it's only there
for reference.

> >> + };
> >> +
> >> + msp3: msp@80125000 {
> >> + compatible = "stericsson,ux500-msp-i2s";
> >> + reg = <0x80125000 0x1000>;
> >> + interrupts = <0 62 0x4>;
> >> + v-ape-supply = <&db8500_vape_reg>;
> >> + };
> >> +
> >> + codec: ab8500-codec {
> >> + compatible = "stericsson,ab8500-codec";
> >> + stericsson,earpeice-cmv = <950>; /* Units in mV. */
>
>
> Only four voltages are allowed here. Maybe enumerate them in the comment?

This isn't the ab8500-codec documentation. For valid earpiece values please
see the documentation in patch "Documentation: Add the AB8500 CODEC device
to the MFD AB8500 doc"

Apart from these comments does the patch looks okay?

--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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