On Thu, Jan 10, 2019 at 02:44:29AM +0100, Marcin Wojtas wrote:
> This patch extends library with GPIO devices per-board
> description. Both embedded SoC controllers and
> I2C IO expanders are supported. Add a helper routine
> for obtaining information about the latter.
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Marcin Wojtas <m...@semihalf.com>

Reviewed-by: Leif Lindholm <leif.lindh...@linaro.org>

> ---
>  Silicon/Marvell/Include/Library/ArmadaBoardDescLib.h | 23 
> ++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/Silicon/Marvell/Include/Library/ArmadaBoardDescLib.h 
> b/Silicon/Marvell/Include/Library/ArmadaBoardDescLib.h
> index 3fe2988..6ec5ace 100644
> --- a/Silicon/Marvell/Include/Library/ArmadaBoardDescLib.h
> +++ b/Silicon/Marvell/Include/Library/ArmadaBoardDescLib.h
> @@ -25,6 +25,29 @@ typedef struct {
>  } MV_BOARD_COMPHY_DESC;
>  
>  //
> +// GPIO devices per-board description
> +//
> +typedef struct {
> +  UINTN ChipId;
> +  UINTN I2cAddress;
> +  UINTN I2cBus;
> +} MV_GPIO_EXPANDER;
> +
> +typedef struct {
> +  GPIO_CONTROLLER  *SoCGpio;
> +  UINTN             GpioDeviceCount;
> +  MV_GPIO_EXPANDER *GpioExpanders;
> +  UINTN             GpioExpanderCount;
> +} MV_BOARD_GPIO_DESCRIPTION;
> +
> +EFI_STATUS
> +EFIAPI
> +ArmadaBoardGpioExpanderGet (
> +  IN OUT MV_GPIO_EXPANDER **GpioExpanders,
> +  IN OUT UINTN             *GpioExpanderCount
> +  );
> +
> +//
>  // I2C devices per-board description
>  //
>  typedef struct {
> -- 
> 2.7.4
> 
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