1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * LPC32xx GPIO interface macro for pin mapping. 4 * 5 * (C) Copyright 2015 DENX Software Engineering GmbH 6 * Written-by: Sylvain Lemieux <slemieux@@tycoint.com> 7 */ 8 9 #ifndef _LPC32XX_GPIO_GRP_H 10 #define _LPC32XX_GPIO_GRP_H 11 12 /* 13 * Macro to map the pin for the lpc32xx_gpio driver. 14 * Note: - GPIOS are considered here as homogeneous and linear from 0 to 159; 15 * mapping is done per register, as group of 32. 16 * (see drivers/gpio/lpc32xx_gpio.c for details). 17 * - macros can be use with the following pins: 18 * P0.0 - P0.7 19 * P1.0 - P1.23 20 * P2.0 - P2.12 21 * P3 GPI_0 - GPI_9 / GPI_15 - GPI_23 / GPI_25 / GPI_27 - GPI_28 22 * P3 GPO_0 - GPO_23 23 * P3 GPIO_0 - GPIO_5 (output register only) 24 */ 25 #define LPC32XX_GPIO_P0_GRP 0 26 #define LPC32XX_GPIO_P1_GRP 32 27 #define LPC32XX_GPIO_P2_GRP 64 28 #define LPC32XX_GPO_P3_GRP 96 29 #define LPC32XX_GPIO_P3_GRP (LPC32XX_GPO_P3_GRP + 25) 30 #define LPC32XX_GPI_P3_GRP 128 31 32 /* 33 * A specific GPIO can be selected with this macro 34 * ie, GPIO P0.1 can be selected with LPC32XX_GPIO(LPC32XX_GPIO_P0_GRP, 1) 35 * See the LPC32x0 User's guide for GPIO group numbers 36 */ 37 #define LPC32XX_GPIO(x, y) ((x) + (y)) 38 39 #endif /* _LPC32XX_GPIO_GRP_H */ 40