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-rw-r--r--arch/arm/plat-nomadik/include/plat/pincfg.h70
1 files changed, 55 insertions, 15 deletions
diff --git a/arch/arm/plat-nomadik/include/plat/pincfg.h b/arch/arm/plat-nomadik/include/plat/pincfg.h
index 8c5ae3f2acf8..05a3936ae6d1 100644
--- a/arch/arm/plat-nomadik/include/plat/pincfg.h
+++ b/arch/arm/plat-nomadik/include/plat/pincfg.h
@@ -19,16 +19,22 @@
19 * bit 9..10 - Alternate Function Selection 19 * bit 9..10 - Alternate Function Selection
20 * bit 11..12 - Pull up/down state 20 * bit 11..12 - Pull up/down state
21 * bit 13 - Sleep mode behaviour 21 * bit 13 - Sleep mode behaviour
22 * bit 14 - (sleep mode) Direction 22 * bit 14 - Direction
23 * bit 15 - (sleep mode) Value (if output) 23 * bit 15 - Value (if output)
24 * bit 16..18 - SLPM pull up/down state
25 * bit 19..20 - SLPM direction
26 * bit 21..22 - SLPM Value (if output)
24 * 27 *
25 * to facilitate the definition, the following macros are provided 28 * to facilitate the definition, the following macros are provided
26 * 29 *
27 * PIN_CFG_DEFAULT - default config (0): 30 * PIN_CFG_DEFAULT - default config (0):
28 * pull up/down = disabled 31 * pull up/down = disabled
29 * sleep mode = input/wakeup 32 * sleep mode = input/wakeup
30 * (sleep mode) direction = input 33 * direction = input
31 * (sleep mode) value = low 34 * value = low
35 * SLPM direction = same as normal
36 * SLPM pull = same as normal
37 * SLPM value = same as normal
32 * 38 *
33 * PIN_CFG - default config with alternate function 39 * PIN_CFG - default config with alternate function
34 * PIN_CFG_PULL - default config with alternate function and pull up/down 40 * PIN_CFG_PULL - default config with alternate function and pull up/down
@@ -75,30 +81,64 @@ typedef unsigned long pin_cfg_t;
75#define PIN_VAL_LOW (0 << PIN_VAL_SHIFT) 81#define PIN_VAL_LOW (0 << PIN_VAL_SHIFT)
76#define PIN_VAL_HIGH (1 << PIN_VAL_SHIFT) 82#define PIN_VAL_HIGH (1 << PIN_VAL_SHIFT)
77 83
78/* Shortcuts. Use these instead of separate DIR and VAL. */ 84#define PIN_SLPM_PULL_SHIFT 16
79#define PIN_INPUT PIN_DIR_INPUT 85#define PIN_SLPM_PULL_MASK (0x7 << PIN_SLPM_PULL_SHIFT)
86#define PIN_SLPM_PULL(x) \
87 (((x) & PIN_SLPM_PULL_MASK) >> PIN_SLPM_PULL_SHIFT)
88#define PIN_SLPM_PULL_NONE \
89 ((1 + NMK_GPIO_PULL_NONE) << PIN_SLPM_PULL_SHIFT)
90#define PIN_SLPM_PULL_UP \
91 ((1 + NMK_GPIO_PULL_UP) << PIN_SLPM_PULL_SHIFT)
92#define PIN_SLPM_PULL_DOWN \
93 ((1 + NMK_GPIO_PULL_DOWN) << PIN_SLPM_PULL_SHIFT)
94
95#define PIN_SLPM_DIR_SHIFT 19
96#define PIN_SLPM_DIR_MASK (0x3 << PIN_SLPM_DIR_SHIFT)
97#define PIN_SLPM_DIR(x) \
98 (((x) & PIN_SLPM_DIR_MASK) >> PIN_SLPM_DIR_SHIFT)
99#define PIN_SLPM_DIR_INPUT ((1 + 0) << PIN_SLPM_DIR_SHIFT)
100#define PIN_SLPM_DIR_OUTPUT ((1 + 1) << PIN_SLPM_DIR_SHIFT)
101
102#define PIN_SLPM_VAL_SHIFT 21
103#define PIN_SLPM_VAL_MASK (0x3 << PIN_SLPM_VAL_SHIFT)
104#define PIN_SLPM_VAL(x) \
105 (((x) & PIN_SLPM_VAL_MASK) >> PIN_SLPM_VAL_SHIFT)
106#define PIN_SLPM_VAL_LOW ((1 + 0) << PIN_SLPM_VAL_SHIFT)
107#define PIN_SLPM_VAL_HIGH ((1 + 1) << PIN_SLPM_VAL_SHIFT)
108
109/* Shortcuts. Use these instead of separate DIR, PULL, and VAL. */
110#define PIN_INPUT_PULLDOWN (PIN_DIR_INPUT | PIN_PULL_DOWN)
111#define PIN_INPUT_PULLUP (PIN_DIR_INPUT | PIN_PULL_UP)
112#define PIN_INPUT_NOPULL (PIN_DIR_INPUT | PIN_PULL_NONE)
80#define PIN_OUTPUT_LOW (PIN_DIR_OUTPUT | PIN_VAL_LOW) 113#define PIN_OUTPUT_LOW (PIN_DIR_OUTPUT | PIN_VAL_LOW)
81#define PIN_OUTPUT_HIGH (PIN_DIR_OUTPUT | PIN_VAL_HIGH) 114#define PIN_OUTPUT_HIGH (PIN_DIR_OUTPUT | PIN_VAL_HIGH)
82 115
83/* 116#define PIN_SLPM_INPUT_PULLDOWN (PIN_SLPM_DIR_INPUT | PIN_SLPM_PULL_DOWN)
84 * These are the same as the ones above, but should make more sense to the 117#define PIN_SLPM_INPUT_PULLUP (PIN_SLPM_DIR_INPUT | PIN_SLPM_PULL_UP)
85 * reader when seen along with a setting a pin to AF mode. 118#define PIN_SLPM_INPUT_NOPULL (PIN_SLPM_DIR_INPUT | PIN_SLPM_PULL_NONE)
86 */ 119#define PIN_SLPM_OUTPUT_LOW (PIN_SLPM_DIR_OUTPUT | PIN_SLPM_VAL_LOW)
87#define PIN_SLPM_INPUT PIN_INPUT 120#define PIN_SLPM_OUTPUT_HIGH (PIN_SLPM_DIR_OUTPUT | PIN_SLPM_VAL_HIGH)
88#define PIN_SLPM_OUTPUT_LOW PIN_OUTPUT_LOW
89#define PIN_SLPM_OUTPUT_HIGH PIN_OUTPUT_HIGH
90 121
91#define PIN_CFG_DEFAULT (PIN_PULL_NONE | PIN_SLPM_INPUT) 122#define PIN_CFG_DEFAULT (0)
92 123
93#define PIN_CFG(num, alt) \ 124#define PIN_CFG(num, alt) \
94 (PIN_CFG_DEFAULT |\ 125 (PIN_CFG_DEFAULT |\
95 (PIN_NUM(num) | PIN_##alt)) 126 (PIN_NUM(num) | PIN_##alt))
96 127
128#define PIN_CFG_INPUT(num, alt, pull) \
129 (PIN_CFG_DEFAULT |\
130 (PIN_NUM(num) | PIN_##alt | PIN_INPUT_##pull))
131
132#define PIN_CFG_OUTPUT(num, alt, val) \
133 (PIN_CFG_DEFAULT |\
134 (PIN_NUM(num) | PIN_##alt | PIN_OUTPUT_##val))
135
97#define PIN_CFG_PULL(num, alt, pull) \ 136#define PIN_CFG_PULL(num, alt, pull) \
98 ((PIN_CFG_DEFAULT & ~PIN_PULL_MASK) |\ 137 ((PIN_CFG_DEFAULT & ~PIN_PULL_MASK) |\
99 (PIN_NUM(num) | PIN_##alt | PIN_PULL_##pull)) 138 (PIN_NUM(num) | PIN_##alt | PIN_PULL_##pull))
100 139
101extern int nmk_config_pin(pin_cfg_t cfg); 140extern int nmk_config_pin(pin_cfg_t cfg, bool sleep);
102extern int nmk_config_pins(pin_cfg_t *cfgs, int num); 141extern int nmk_config_pins(pin_cfg_t *cfgs, int num);
142extern int nmk_config_pins_sleep(pin_cfg_t *cfgs, int num);
103 143
104#endif 144#endif