[linux-sunxi][PATCH 2/3] ARM: dts: sun6i: Add the SPDIF block to the A31

[Maxime Ripard]

On Tue, Dec 20, 2016 at 03:34:10PM +0100, Code Kipper wrote:
> On 20 December 2016 at 15:07, Maxime Ripard
> <maxime.ripard at free-electrons.com> wrote:
> > Hi,
> >
> > On Tue, Dec 20, 2016 at 11:40:37AM +0100, codekipper at gmail.com wrote:
> >> From: Marcus Cooper <codekipper at gmail.com>
> >>
> >> Add the SPDIF transceiver controller block to the A31 dtsi.
> >>
> >> Signed-off-by: Marcus Cooper <codekipper at gmail.com>
> >> ---
> >>  arch/arm/boot/dts/sun6i-a31.dtsi | 14 ++++++++++++++
> >>  1 file changed, 14 insertions(+)
> >>
> >> diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
> >> index 7370ba6c9993..559c53efa7e6 100644
> >> --- a/arch/arm/boot/dts/sun6i-a31.dtsi
> >> +++ b/arch/arm/boot/dts/sun6i-a31.dtsi
> >> @@ -613,6 +613,20 @@
> >>                       reg = <0x01c20ca0 0x20>;
> >>               };
> >>
> >> +             spdif: spdif at 01c21000 {
> >> +                     #sound-dai-cells = <0>;
> >> +                     compatible = "allwinner,sun6i-a31-spdif";
> >> +                     reg = <0x01c21000 0x400>;
> >> +                     interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
> >> +                     clocks = <&ccu CLK_APB1_SPDIF>, <&ccu CLK_SPDIF>;
> >> +                     resets = <&ccu RST_APB1_SPDIF>;
> >> +                     clock-names = "apb", "spdif";
> >> +                     dmas = <&dma 2>, <&dma 2>;
> >> +                     dma-names = "rx", "tx";
> >> +                     spdif-out = "disabled";
> >
> > That property isn't documented anywhere, and doesn't seem to be used
> > in your driver either.
>
> Ooops....do you want me to respin a new patch or will you do your
> magic with 'dd'?

Sorry, it's C-w for me :)

> It fell through the cracks as it was cherry picked from my dev
> branch where I was at one time playing with spdif-in. This has
> pretty much been relegated to the bottom of my todo/finish list.

I fixed and applied.

> > On a separate topic, is the channel inversion bug also found on the
> > A31?
>
> I have seen this and I'm sure that was also on my A31 hardware but
> I've just fired her up and the speaker test worked as expected. I also
> repeated the test on my A10 device and didn't hear the issue.

Ok.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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