On Wed, Aug 15, 2018 at 6:12 PM, Marek Vasut <ma...@denx.de> wrote:
> On 08/15/2018 08:05 PM, Ley Foon Tan wrote:
>> Enabled get_function support for dwapb where the function will
>> return the state of GPIO port.
>>
>> Signed-off-by: Chin Liang See <chin.liang....@intel.com>
>> Signed-off-by: Ley Foon Tan <ley.foon....@intel.com>
>> ---
>> drivers/gpio/dwapb_gpio.c | 15 +++++++++++++++
>> 1 file changed, 15 insertions(+)
>>
>> diff --git a/drivers/gpio/dwapb_gpio.c b/drivers/gpio/dwapb_gpio.c
>> index 680b11a..3b5c181 100644
>> --- a/drivers/gpio/dwapb_gpio.c
>> +++ b/drivers/gpio/dwapb_gpio.c
>> @@ -78,11 +78,26 @@ static int dwapb_gpio_set_value(struct udevice *dev,
>> unsigned pin, int val)
>> return 0;
>> }
>>
>> +static int dwapb_gpio_get_function(struct udevice *dev, unsigned offset)
>> +{
>> + struct gpio_dwapb_platdata *plat = dev_get_platdata(dev);
>> + int gpio;
>> +
>> + gpio = readl(plat->base + GPIO_SWPORT_DDR(plat->bank));
>> + gpio = (gpio >> offset) & 1;
>> +
>> + if (gpio)
>
> if (gpio & BIT(offset)) ?
Will change this.
>
>> + return GPIOF_OUTPUT;
>> + else
>> + return GPIOF_INPUT;
>> +}
>> +
>> static const struct dm_gpio_ops gpio_dwapb_ops = {
>> .direction_input = dwapb_gpio_direction_input,
>> .direction_output = dwapb_gpio_direction_output,
>> .get_value = dwapb_gpio_get_value,
>> .set_value = dwapb_gpio_set_value,
>> + .get_function = dwapb_gpio_get_function,
>> };
>>
>> static int gpio_dwapb_probe(struct udevice *dev)
>>
>
>
Regards
Ley Foon
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