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

[Billy Tsai]

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

On 2022/8/3, 9:46 AM, "ChiaWei Wang" <chiawei_wang at aspeedtech.com> wrote:

    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