Re: [PATCH v4 6/8] dt-bindings: i2c: iproc: add "brcm,iproc-nic-i2c" compatible string

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On Wed, Feb 13, 2019 at 4:09 PM Ray Jui <ray.jui@xxxxxxxxxxxx> wrote:
>
>
>
> On 2/13/2019 1:18 PM, Rob Herring wrote:
> > On Mon, Feb 04, 2019 at 03:15:52PM -0800, Ray Jui wrote:
> >> From: Rayagonda Kokatanur <rayagonda.kokatanur@xxxxxxxxxxxx>
> >>
> >> Update iProc I2C binding document to add new compatible string
> >> "brcm,iproc-nic-i2c". Optional property "brcm,ape-hsls-addr-mask" is
> >> also added that allows configuration of the host view into the APE's
> >> address for "brcm,iproc-nic-i2c"
> >>
> >> Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@xxxxxxxxxxxx>
> >> Signed-off-by: Ray Jui <ray.jui@xxxxxxxxxxxx>
> >> ---
> >>  Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt | 5 ++++-
> >>  1 file changed, 4 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt b/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt
> >> index d3a3620b1f06..02e82d20239e 100644
> >> --- a/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt
> >> +++ b/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt
> >> @@ -3,7 +3,7 @@ Broadcom iProc I2C controller
> >>  Required properties:
> >>
> >>  - compatible:
> >> -    Must be "brcm,iproc-i2c"
> >> +    Must be "brcm,iproc-i2c" or "brcm,iproc-nic-i2c"
> >>
> >>  - reg:
> >>      Define the base and range of the I/O address space that contain the iProc
> >> @@ -24,6 +24,9 @@ Optional properties:
> >>      Should contain the I2C interrupt. If unspecified, driver will fall back to
> >>      polling mode
> >>
> >> +- brcm,ape-hsls-addr-mask:
> >> +    Required for "brcm,iproc-nic-i2c". Host view of address mask into the
> >> +    'APE' co-processor
> >
> > What's the data type and size? What are valid values?
>
> It's an unsigned u32 mask value. An example of a valid value is for
> example 0x03400000. Do you want any of these added to the paragraph above?

Yes. Bindings should define constraints.

Rob



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