The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/include/dt-bindings/gpio/aspeed-gpio.h

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    1 /* SPDX-License-Identifier: GPL-2.0+ */
    2 /*
    3  * This header provides constants for binding aspeed,*-gpio.
    4  *
    5  * The first cell in Aspeed's GPIO specifier is the GPIO ID. The macros below
    6  * provide names for this.
    7  *
    8  * The second cell contains standard flag values specified in gpio.h.
    9  */
   10 
   11 #ifndef _DT_BINDINGS_GPIO_ASPEED_GPIO_H
   12 #define _DT_BINDINGS_GPIO_ASPEED_GPIO_H
   13 
   14 #include <dt-bindings/gpio/gpio.h>
   15 
   16 #define ASPEED_GPIO_PORT_A 0
   17 #define ASPEED_GPIO_PORT_B 1
   18 #define ASPEED_GPIO_PORT_C 2
   19 #define ASPEED_GPIO_PORT_D 3
   20 #define ASPEED_GPIO_PORT_E 4
   21 #define ASPEED_GPIO_PORT_F 5
   22 #define ASPEED_GPIO_PORT_G 6
   23 #define ASPEED_GPIO_PORT_H 7
   24 #define ASPEED_GPIO_PORT_I 8
   25 #define ASPEED_GPIO_PORT_J 9
   26 #define ASPEED_GPIO_PORT_K 10
   27 #define ASPEED_GPIO_PORT_L 11
   28 #define ASPEED_GPIO_PORT_M 12
   29 #define ASPEED_GPIO_PORT_N 13
   30 #define ASPEED_GPIO_PORT_O 14
   31 #define ASPEED_GPIO_PORT_P 15
   32 #define ASPEED_GPIO_PORT_Q 16
   33 #define ASPEED_GPIO_PORT_R 17
   34 #define ASPEED_GPIO_PORT_S 18
   35 #define ASPEED_GPIO_PORT_T 19
   36 #define ASPEED_GPIO_PORT_U 20
   37 #define ASPEED_GPIO_PORT_V 21
   38 #define ASPEED_GPIO_PORT_W 22
   39 #define ASPEED_GPIO_PORT_X 23
   40 #define ASPEED_GPIO_PORT_Y 24
   41 #define ASPEED_GPIO_PORT_Z 25
   42 #define ASPEED_GPIO_PORT_AA 26
   43 #define ASPEED_GPIO_PORT_AB 27
   44 #define ASPEED_GPIO_PORT_AC 28
   45 
   46 #define ASPEED_GPIO(port, offset) \
   47         ((ASPEED_GPIO_PORT_##port * 8) + offset)
   48 
   49 #endif

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