[PATCH v2] gpio: aspeed: port Linux dt-bindings header file

[Billy Tsai]

Thanks.

Reviewed-by: Billy Tsai <billy_tsai at aspeedtech.com>

On 2022/8/4, 9:02 AM, "Dhananjay Phadke" <dphadke at linux.microsoft.com> wrote:

    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..adab2f56c2
    --- /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