[PATCH] gpio: aspeed: port Linux dt-bindings header file

[ChiaWei Wang]

Acked-by: Chia-Wei Wang <chiawei_wang at aspeedtech.com>

> From: Dhananjay Phadke <dphadke at linux.microsoft.com>
> Sent: Wednesday, August 3, 2022 4:55 AM
> 
> Ported as is, makes it easier to add readable GPIO definitions in DTS files.
> 
> Signed-off-by: Dhananjay Phadke <dphadke at linux.microsoft.com>
> ---
>  include/dt-bindings/gpio/aspeed-gpio.h | 49 ++++++++++++++++++++++++++
>  1 file changed, 49 insertions(+)
>  create mode 100644 include/dt-bindings/gpio/aspeed-gpio.h
> 
> diff --git a/include/dt-bindings/gpio/aspeed-gpio.h
> b/include/dt-bindings/gpio/aspeed-gpio.h
> new file mode 100644
> index 0000000000..56fc4889b2
> --- /dev/null
> +++ b/include/dt-bindings/gpio/aspeed-gpio.h
> @@ -0,0 +1,49 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * This header provides constants for binding aspeed,*-gpio.
> + *
> + * The first cell in Aspeed's GPIO specifier is the GPIO ID. The macros
> +below
> + * provide names for this.
> + *
> + * The second cell contains standard flag values specified in gpio.h.
> + */
> +
> +#ifndef _DT_BINDINGS_GPIO_ASPEED_GPIO_H #define
> +_DT_BINDINGS_GPIO_ASPEED_GPIO_H
> +
> +#include <dt-bindings/gpio/gpio.h>
> +
> +#define ASPEED_GPIO_PORT_A 0
> +#define ASPEED_GPIO_PORT_B 1
> +#define ASPEED_GPIO_PORT_C 2
> +#define ASPEED_GPIO_PORT_D 3
> +#define ASPEED_GPIO_PORT_E 4
> +#define ASPEED_GPIO_PORT_F 5
> +#define ASPEED_GPIO_PORT_G 6
> +#define ASPEED_GPIO_PORT_H 7
> +#define ASPEED_GPIO_PORT_I 8
> +#define ASPEED_GPIO_PORT_J 9
> +#define ASPEED_GPIO_PORT_K 10
> +#define ASPEED_GPIO_PORT_L 11
> +#define ASPEED_GPIO_PORT_M 12
> +#define ASPEED_GPIO_PORT_N 13
> +#define ASPEED_GPIO_PORT_O 14
> +#define ASPEED_GPIO_PORT_P 15
> +#define ASPEED_GPIO_PORT_Q 16
> +#define ASPEED_GPIO_PORT_R 17
> +#define ASPEED_GPIO_PORT_S 18
> +#define ASPEED_GPIO_PORT_T 19
> +#define ASPEED_GPIO_PORT_U 20
> +#define ASPEED_GPIO_PORT_V 21
> +#define ASPEED_GPIO_PORT_W 22
> +#define ASPEED_GPIO_PORT_X 23
> +#define ASPEED_GPIO_PORT_Y 24
> +#define ASPEED_GPIO_PORT_Z 25
> +#define ASPEED_GPIO_PORT_AA 26
> +#define ASPEED_GPIO_PORT_AB 27
> +#define ASPEED_GPIO_PORT_AC 28
> +
> +#define ASPEED_GPIO(port, offset) \
> +	((ASPEED_GPIO_PORT_##port * 8) + offset)
> +
> +#endif
> --
> 2.25.1