Add SGPIO driver support for Aspeed AST2500 SoC.
Signed-off-by: Hongwei Zhang
---
drivers/gpio/sgpio-aspeed.c | 521
1 file changed, 521 insertions(+)
create mode 100644 drivers/gpio/sgpio-aspeed.c
diff --git a/drivers/gpio/sgpio-aspeed.c
On Mon, Jul 22, 2019 at 10:37 PM Hongwei Zhang wrote:
> As you suspected it correctly, AST2500 utilizes all the 32 bits of the
> registers
> (data value, interrupt, etc...), such that using 8-bit bands
> [7:0]/[15:8]/23:16]/[31:24] of GPIO_200H for SGPIO_A/B/C/D .
> so registering 10 gpiochip
9 3:37 AM
> To: Hongwei Zhang
> Cc: Andrew Jeffery; open list:GPIO SUBSYSTEM; Joel Stanley;
> linux-asp...@lists.ozlabs.org; Bartosz
> Golaszewski; linux-kernel@vger.kernel.org; Linux ARM
> Subject: Re: [v5 2/2] gpio: aspeed: Add SGPIO driver
>
> Hi Hongwei,
>
> th
Hi Hongwei,
thanks for your patch!
some comments and nitpicking below:
On Fri, Jul 19, 2019 at 9:25 PM Hongwei Zhang wrote:
> Add SGPIO driver support for Aspeed AST2500 SoC.
>
> Signed-off-by: Hongwei Zhang
> +// SPDX-License-Identifier: GPL-2.0+
I think the SPDX people prefer
Add SGPIO driver support for Aspeed AST2500 SoC.
Signed-off-by: Hongwei Zhang
---
drivers/gpio/sgpio-aspeed.c | 522
1 file changed, 522 insertions(+)
create mode 100644 drivers/gpio/sgpio-aspeed.c
diff --git a/drivers/gpio/sgpio-aspeed.c
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