mfp-pxa2xx.h (5546B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __ASM_ARCH_MFP_PXA2XX_H 3#define __ASM_ARCH_MFP_PXA2XX_H 4 5#include <linux/soc/pxa/mfp.h> 6 7/* 8 * the following MFP_xxx bit definitions in mfp.h are re-used for pxa2xx: 9 * 10 * MFP_PIN(x) 11 * MFP_AFx 12 * MFP_LPM_DRIVE_{LOW, HIGH} 13 * MFP_LPM_EDGE_x 14 * 15 * other MFP_x bit definitions will be ignored 16 * 17 * and adds the below two bits specifically for pxa2xx: 18 * 19 * bit 23 - Input/Output (PXA2xx specific) 20 * bit 24 - Wakeup Enable(PXA2xx specific) 21 * bit 25 - Keep Output (PXA2xx specific) 22 */ 23 24#define MFP_DIR_IN (0x0 << 23) 25#define MFP_DIR_OUT (0x1 << 23) 26#define MFP_DIR_MASK (0x1 << 23) 27#define MFP_DIR(x) (((x) >> 23) & 0x1) 28 29#define MFP_LPM_CAN_WAKEUP (0x1 << 24) 30 31/* 32 * MFP_LPM_KEEP_OUTPUT must be specified for pins that need to 33 * retain their last output level (low or high). 34 * Note: MFP_LPM_KEEP_OUTPUT has no effect on pins configured for input. 35 */ 36#define MFP_LPM_KEEP_OUTPUT (0x1 << 25) 37 38#define WAKEUP_ON_EDGE_RISE (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_RISE) 39#define WAKEUP_ON_EDGE_FALL (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_FALL) 40#define WAKEUP_ON_EDGE_BOTH (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_BOTH) 41 42/* specifically for enabling wakeup on keypad GPIOs */ 43#define WAKEUP_ON_LEVEL_HIGH (MFP_LPM_CAN_WAKEUP) 44 45#define MFP_CFG_IN(pin, af) \ 46 ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DIR_MASK)) |\ 47 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DIR_IN)) 48 49/* NOTE: pins configured as output _must_ provide a low power state, 50 * and this state should help to minimize the power dissipation. 51 */ 52#define MFP_CFG_OUT(pin, af, state) \ 53 ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DIR_MASK | MFP_LPM_STATE_MASK)) |\ 54 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DIR_OUT | MFP_LPM_##state)) 55 56/* Common configurations for pxa25x and pxa27x 57 * 58 * Note: pins configured as GPIO are always initialized to input 59 * so not to cause any side effect 60 */ 61#define GPIO0_GPIO MFP_CFG_IN(GPIO0, AF0) 62#define GPIO1_GPIO MFP_CFG_IN(GPIO1, AF0) 63#define GPIO9_GPIO MFP_CFG_IN(GPIO9, AF0) 64#define GPIO10_GPIO MFP_CFG_IN(GPIO10, AF0) 65#define GPIO11_GPIO MFP_CFG_IN(GPIO11, AF0) 66#define GPIO12_GPIO MFP_CFG_IN(GPIO12, AF0) 67#define GPIO13_GPIO MFP_CFG_IN(GPIO13, AF0) 68#define GPIO14_GPIO MFP_CFG_IN(GPIO14, AF0) 69#define GPIO15_GPIO MFP_CFG_IN(GPIO15, AF0) 70#define GPIO16_GPIO MFP_CFG_IN(GPIO16, AF0) 71#define GPIO17_GPIO MFP_CFG_IN(GPIO17, AF0) 72#define GPIO18_GPIO MFP_CFG_IN(GPIO18, AF0) 73#define GPIO19_GPIO MFP_CFG_IN(GPIO19, AF0) 74#define GPIO20_GPIO MFP_CFG_IN(GPIO20, AF0) 75#define GPIO21_GPIO MFP_CFG_IN(GPIO21, AF0) 76#define GPIO22_GPIO MFP_CFG_IN(GPIO22, AF0) 77#define GPIO23_GPIO MFP_CFG_IN(GPIO23, AF0) 78#define GPIO24_GPIO MFP_CFG_IN(GPIO24, AF0) 79#define GPIO25_GPIO MFP_CFG_IN(GPIO25, AF0) 80#define GPIO26_GPIO MFP_CFG_IN(GPIO26, AF0) 81#define GPIO27_GPIO MFP_CFG_IN(GPIO27, AF0) 82#define GPIO28_GPIO MFP_CFG_IN(GPIO28, AF0) 83#define GPIO29_GPIO MFP_CFG_IN(GPIO29, AF0) 84#define GPIO30_GPIO MFP_CFG_IN(GPIO30, AF0) 85#define GPIO31_GPIO MFP_CFG_IN(GPIO31, AF0) 86#define GPIO32_GPIO MFP_CFG_IN(GPIO32, AF0) 87#define GPIO33_GPIO MFP_CFG_IN(GPIO33, AF0) 88#define GPIO34_GPIO MFP_CFG_IN(GPIO34, AF0) 89#define GPIO35_GPIO MFP_CFG_IN(GPIO35, AF0) 90#define GPIO36_GPIO MFP_CFG_IN(GPIO36, AF0) 91#define GPIO37_GPIO MFP_CFG_IN(GPIO37, AF0) 92#define GPIO38_GPIO MFP_CFG_IN(GPIO38, AF0) 93#define GPIO39_GPIO MFP_CFG_IN(GPIO39, AF0) 94#define GPIO40_GPIO MFP_CFG_IN(GPIO40, AF0) 95#define GPIO41_GPIO MFP_CFG_IN(GPIO41, AF0) 96#define GPIO42_GPIO MFP_CFG_IN(GPIO42, AF0) 97#define GPIO43_GPIO MFP_CFG_IN(GPIO43, AF0) 98#define GPIO44_GPIO MFP_CFG_IN(GPIO44, AF0) 99#define GPIO45_GPIO MFP_CFG_IN(GPIO45, AF0) 100#define GPIO46_GPIO MFP_CFG_IN(GPIO46, AF0) 101#define GPIO47_GPIO MFP_CFG_IN(GPIO47, AF0) 102#define GPIO48_GPIO MFP_CFG_IN(GPIO48, AF0) 103#define GPIO49_GPIO MFP_CFG_IN(GPIO49, AF0) 104#define GPIO50_GPIO MFP_CFG_IN(GPIO50, AF0) 105#define GPIO51_GPIO MFP_CFG_IN(GPIO51, AF0) 106#define GPIO52_GPIO MFP_CFG_IN(GPIO52, AF0) 107#define GPIO53_GPIO MFP_CFG_IN(GPIO53, AF0) 108#define GPIO54_GPIO MFP_CFG_IN(GPIO54, AF0) 109#define GPIO55_GPIO MFP_CFG_IN(GPIO55, AF0) 110#define GPIO56_GPIO MFP_CFG_IN(GPIO56, AF0) 111#define GPIO57_GPIO MFP_CFG_IN(GPIO57, AF0) 112#define GPIO58_GPIO MFP_CFG_IN(GPIO58, AF0) 113#define GPIO59_GPIO MFP_CFG_IN(GPIO59, AF0) 114#define GPIO60_GPIO MFP_CFG_IN(GPIO60, AF0) 115#define GPIO61_GPIO MFP_CFG_IN(GPIO61, AF0) 116#define GPIO62_GPIO MFP_CFG_IN(GPIO62, AF0) 117#define GPIO63_GPIO MFP_CFG_IN(GPIO63, AF0) 118#define GPIO64_GPIO MFP_CFG_IN(GPIO64, AF0) 119#define GPIO65_GPIO MFP_CFG_IN(GPIO65, AF0) 120#define GPIO66_GPIO MFP_CFG_IN(GPIO66, AF0) 121#define GPIO67_GPIO MFP_CFG_IN(GPIO67, AF0) 122#define GPIO68_GPIO MFP_CFG_IN(GPIO68, AF0) 123#define GPIO69_GPIO MFP_CFG_IN(GPIO69, AF0) 124#define GPIO70_GPIO MFP_CFG_IN(GPIO70, AF0) 125#define GPIO71_GPIO MFP_CFG_IN(GPIO71, AF0) 126#define GPIO72_GPIO MFP_CFG_IN(GPIO72, AF0) 127#define GPIO73_GPIO MFP_CFG_IN(GPIO73, AF0) 128#define GPIO74_GPIO MFP_CFG_IN(GPIO74, AF0) 129#define GPIO75_GPIO MFP_CFG_IN(GPIO75, AF0) 130#define GPIO76_GPIO MFP_CFG_IN(GPIO76, AF0) 131#define GPIO77_GPIO MFP_CFG_IN(GPIO77, AF0) 132#define GPIO78_GPIO MFP_CFG_IN(GPIO78, AF0) 133#define GPIO79_GPIO MFP_CFG_IN(GPIO79, AF0) 134#define GPIO80_GPIO MFP_CFG_IN(GPIO80, AF0) 135#define GPIO81_GPIO MFP_CFG_IN(GPIO81, AF0) 136#define GPIO82_GPIO MFP_CFG_IN(GPIO82, AF0) 137#define GPIO83_GPIO MFP_CFG_IN(GPIO83, AF0) 138#define GPIO84_GPIO MFP_CFG_IN(GPIO84, AF0) 139 140extern void pxa2xx_mfp_config(unsigned long *mfp_cfgs, int num); 141extern void pxa2xx_mfp_set_lpm(int mfp, unsigned long lpm); 142extern int gpio_set_wake(unsigned int gpio, unsigned int on); 143#endif /* __ASM_ARCH_MFP_PXA2XX_H */