1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __ASM_ARCH_MFP_PXA2XX_H 3 #define __ASM_ARCH_MFP_PXA2XX_H 4 5 #include <plat/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) 139 140 extern void pxa2xx_mfp_config(unsigned long *mfp_cfgs, int num); 141 extern void pxa2xx_mfp_set_lpm(int mfp, unsigned long lpm); 142 extern int gpio_set_wake(unsigned int gpio, unsigned int on); 143 #endif /* __ASM_ARCH_MFP_PXA2XX_H */ 144