Messages in this thread | | | Date | Thu, 20 Mar 2014 13:32:24 +0100 | From | Sebastian Hesselbarth <> | Subject | Re: [PATCH] ASoC: tda998x: Fix lack of required reg in DT documentation |
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On 03/20/2014 09:58 AM, Jean-Francois Moine wrote: > The I2C address (reg) is required for the TDA998x driver to be loaded > and initialized. > > Signed-off-by: Jean-Francois Moine <moinejf@free.fr> > --- > This patch applies to linux-next. > --- > Documentation/devicetree/bindings/drm/i2c/tda998x.txt | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/drm/i2c/tda998x.txt b/Documentation/devicetree/bindings/drm/i2c/tda998x.txt > index d7df01c..fc7effa 100644 > --- a/Documentation/devicetree/bindings/drm/i2c/tda998x.txt > +++ b/Documentation/devicetree/bindings/drm/i2c/tda998x.txt > @@ -3,6 +3,8 @@ Device-Tree bindings for the NXP TDA998x HDMI transmitter > Required properties; > - compatible: must be "nxp,tda998x" > > + - reg: I2C address - must be <0x70>
TDA9983b datasheet says:
"Bits A0 and A1 of the I2C-bus device address are externally selected by pins A0 and A1."
Therefore, 0x70, 0x71, 0x72, and 0x73 are valid i2c addresses.
Sebastian
> Optional properties: > - interrupts: interrupt number and trigger type > default: polling >
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