On Thu, 2024-09-26 at 15:45 +0800, Jamin Lin wrote: > AST2700 integrates two set of Parallel GPIO Controller > with maximum 212 control pins, which are 27 groups. > (H, exclude pin: H7 H6 H5 H4) > > In the previous design of ASPEED SOCs, > one register is used for setting one function for one set which are 32 pins > and 4 groups. > ex: GPIO000 is used for setting data value for GPIO A, B, C and D in AST2600. > ex: GPIO004 is used for setting direction for GPIO A, B, C and D in AST2600. > > However, the register set have a significant change since AST2700. > Each GPIO pin has their own individual control register. In other words, > users are able to > set one GPIO pin’s direction, interrupt enable, input mask and so on > in the same one register. > > Currently, aspeed_gpio_read/aspeed_gpio_write callback functions > are not compatible AST2700. > Introduce new aspeed_gpio_2700_read/aspeed_gpio_2700_write callback functions > and aspeed_gpio_2700_ops memory region operation for AST2700. > Introduce a new ast2700 class to support AST2700. > > Signed-off-by: Jamin Lin <jamin_...@aspeedtech.com>
Some of the wrapping in the commit message could be improved, but otherwise: Reviewed-by: Andrew Jeffery <and...@codeconstruct.com.au>
