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 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel