root/arch/arm/mach-pxa/mfp-pxa2xx.h

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   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 */
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