Re: [PATCH v3 2/2] dt-bindings: net: bluetooth: Add device property firmware-name for QCA6174

From: Rob Herring
Date: Fri Apr 26 2019 - 13:45:28 EST


On Wed, Apr 24, 2019 at 1:19 AM Rocky Liao <rjliao@xxxxxxxxxxxxxx> wrote:
>
> On 2019-04-24 01:06, Marcel Holtmann wrote:
> > Hi Rocky,
> >
> >> This patch adds an optional device property "firmware-name" to allow
> >> the
> >> driver to load customized nvm firmware file based on this property.
> >>
> >> Signed-off-by: Rocky Liao <rjliao@xxxxxxxxxxxxxx>
> >> ---
> >> Changes in v3:
> >> * added firmware-name instead of nvm-postfix to specify full firmware
> >> name
> >> ---
> >> Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt | 2 ++
> >> 1 file changed, 2 insertions(+)
> >>
> >> diff --git
> >> a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
> >> b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
> >> index 824c0e2..2bcea50 100644
> >> --- a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
> >> +++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
> >> @@ -16,6 +16,7 @@ Optional properties for compatible string
> >> qcom,qca6174-bt:
> >>
> >> - enable-gpios: gpio specifier used to enable chip
> >> - clocks: clock provided to the controller (SUSCLK_32KHZ)
> >> + - firmware-name: specify the name of nvm firmware to load
> >>
> >> Required properties for compatible string qcom,wcn3990-bt:
> >>
> >> @@ -39,6 +40,7 @@ serial@7570000 {
> >>
> >> enable-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>;
> >> clocks = <&divclk4>;
> >> + firmware-name = "nvm_00440302.bin";
> >> };
> >
> > and how is this a firmware-name property. Wouldnât this be more like
> > nvm-file or something along these lines. This really needs to be
> > cleared with Rob to pick the right property name.
> >
> > Regards
> >
> > Marcel
>
> Hi Rob,
>
> Are you OK to use a property name "nvm-file" or "firmware-nvm-file"?
> Actually we have two firmware files, one is the patch file which is
> common to all of the products, the other is the nvm file which is
> customized. Using a "nvm-file" or "firmware-nvm-file" property name
> would be more clear.

'firmware-name' is the standard name for specifying firmware file names.

Rob