[linux-sunxi][PATCH] ARM: dts: sunxi: h3/h5: Add DAI node for HDMI

[maxime ripard]

On Wed, Jan 31, 2018 at 10:54:29AM +0100, Code Kipper wrote:
> On 31 January 2018 at 08:16, maxime ripard
> <maxime.ripard at free-electrons.com> wrote:
> > On Mon, Jan 29, 2018 at 11:35:27AM +0100, Jernej Škrabec wrote:
> >> Hi Maxime,
> >>
> >> (previously I respond only to linux-sunxi mailing list)
> >>
> >> >On Mon, Jan 29, 2018 at 10:22:23AM +0100, codekipper at gmail.com wrote:
> >> >> From: Marcus Cooper <codekipper at gmail.com>
> >> >>
> >> >> Add the new DAI block for I2S2 which is used for HDMI audio.
> >> >>
> >> >> Signed-off-by: Marcus Cooper <codekipper at gmail.com>
> >> >
> >> >queued for 4.17, thanks!
> >> >Maxime
> >>
> >> Please note that HDMI I2S has usable 4 I2S lanes, since HDMI
> >> supports 8 channel audio. As Marcus said, other blocks probably
> >> support them too, they are just not wired out on pins.
> >
> > I've dropped those patches for now.
> >
> >> Should we change compatible for HDMI?
> >
> > I guess, another way of doing things if they are strictly identical
> > but for the number of lanes they support would be to add a DT property
> > for that number of lanes.
> >
> That's fine...I'll look into adding a dt property and how we would map
> channels to lanes.
> Do you know of any examples?,

Grepping for of_property_read_u32 should give you plenty of examples :)

maxime

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