On Tuesday 18 July 2017 05:01 PM, Sekhar Nori wrote:
> Hi Keerthy,
>
> On Tuesday 18 July 2017 04:27 PM, Keerthy wrote:
>> Add a separate compatible for keystone-k2g soc
>>
>> Signed-off-by: Keerthy <j-keerthy@xxxxxx>
>> ---
>> Documentation/devicetree/bindings/gpio/gpio-davinci.txt | 3 ++-
>> drivers/gpio/gpio-davinci.c | 1 +
>> 2 files changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/gpio/gpio-davinci.txt b/Documentation/devicetree/bindings/gpio/gpio-davinci.txt
>> index 5079ba7..1a5c1a2 100644
>> --- a/Documentation/devicetree/bindings/gpio/gpio-davinci.txt
>> +++ b/Documentation/devicetree/bindings/gpio/gpio-davinci.txt
>> @@ -1,7 +1,8 @@
>> Davinci/Keystone GPIO controller bindings
>>
>> Required Properties:
>> -- compatible: should be "ti,dm6441-gpio", "ti,keystone-gpio"
>> +- compatible: should be "ti,dm6441-gpio", "ti,keystone-gpio",
>> + "ti,keystone-k2g-gpio"
>>
>> - reg: Physical base address of the controller and the size of memory mapped
>> registers.
>> diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
>> index 932f270..a8d8dd9 100644
>> --- a/drivers/gpio/gpio-davinci.c
>> +++ b/drivers/gpio/gpio-davinci.c
>> @@ -610,6 +610,7 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev)
>> static const struct of_device_id davinci_gpio_ids[] = {
>> { .compatible = "ti,keystone-gpio", keystone_gpio_get_irq_chip},
>> { .compatible = "ti,dm6441-gpio", davinci_gpio_get_irq_chip},
>> + { .compatible = "ti,keystone-k2g-gpio", keystone_gpio_get_irq_chip},
>
> You don't have to add compatible matching to the driver if you don't
> need any special handling for K2G ATM. Your dts should have:
>
> compatible = "ti,keystone-k2g-gpio", "ti,keystone-gpio";
>
> this way, the driver continues to probe using "ti,keystone-gpio", and
> when you really discover a need to do some special handling for K2G, a
> kernel update will do without the need for a DT update.
Sure that is better to do as currently i do not see any differences
between k2g and other k2 devices.
>
> Thanks,
> Sekhar
>
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