[PATCH] gpio: Added zynq specific check for special pins on bank zero

Shubhrajyoti Datta shubhrajyoti.datta at gmail.com
Wed Sep 21 02:56:25 PDT 2016


On Tue, Sep 20, 2016 at 2:02 PM, Nava kishore Manne
<nava.manne at xilinx.com> wrote:
> From: Nava kishore Manne <nava.manne at xilinx.com>
>
> This patch adds zynq specific check for bank 0 pins 7 and 8
> are special and cannot be used as inputs

Is there any such pins for zynqmp?

>
> Signed-off-by: Nava kishore Manne <navam at xilinx.com>
> ---
>  drivers/gpio/gpio-zynq.c | 17 +++++++++++++++--
>  1 file changed, 15 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
> index e72794e..eae9d24 100644
> --- a/drivers/gpio/gpio-zynq.c
> +++ b/drivers/gpio/gpio-zynq.c
> @@ -96,6 +96,10 @@
>  /* GPIO upper 16 bit mask */
>  #define ZYNQ_GPIO_UPPER_MASK 0xFFFF0000
>
> +/* For GPIO quirks */
> +#define ZYNQ_GPIO      BIT(0)
> +#define ZYNQMP_GPIO    BIT(1)

if not can we remove ZYNQMP_GPIO    ?



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