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yaml
---
r: 123650
b: refs/heads/master
c: 9968711
h: refs/heads/master
v: v3
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Robert Jarzmik authored and Eric Miao committed Dec 2, 2008
1 parent b1c4897 commit d086ade
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Showing 2 changed files with 30 additions and 3 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: afb5b5c9adb66c73b83dc39319efbacb6fb26a7d
refs/heads/master: 9968711468570c5dc5f96c415e73cb3282e857fc
31 changes: 29 additions & 2 deletions trunk/arch/arm/mach-pxa/mfp-pxa2xx.c
Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@ struct gpio_desc {
unsigned can_wakeup : 1;
unsigned keypad_gpio : 1;
unsigned int mask; /* bit mask in PWER or PKWR */
unsigned int mux_mask; /* bit mask of muxed gpio bits, 0 if no mux */
unsigned long config;
};

Expand Down Expand Up @@ -169,7 +170,7 @@ void pxa2xx_mfp_set_lpm(int mfp, unsigned long lpm)
int gpio_set_wake(unsigned int gpio, unsigned int on)
{
struct gpio_desc *d;
unsigned long c;
unsigned long c, mux_taken;

if (gpio > mfp_to_gpio(MFP_PIN_GPIO127))
return -EINVAL;
Expand All @@ -183,9 +184,13 @@ int gpio_set_wake(unsigned int gpio, unsigned int on)
if (d->keypad_gpio)
return -EINVAL;

mux_taken = (PWER & d->mux_mask) & (~d->mask);
if (on && mux_taken)
return -EBUSY;

if (d->can_wakeup && (c & MFP_LPM_CAN_WAKEUP)) {
if (on) {
PWER |= d->mask;
PWER = (PWER & ~d->mux_mask) | d->mask;

if (c & MFP_LPM_EDGE_RISE)
PRER |= d->mask;
Expand Down Expand Up @@ -251,6 +256,22 @@ int keypad_set_wake(unsigned int on)
return 0;
}

#define PWER_WEMUX2_GPIO38 (1 << 16)
#define PWER_WEMUX2_GPIO53 (2 << 16)
#define PWER_WEMUX2_GPIO40 (3 << 16)
#define PWER_WEMUX2_GPIO36 (4 << 16)
#define PWER_WEMUX2_MASK (7 << 16)
#define PWER_WEMUX3_GPIO31 (1 << 19)
#define PWER_WEMUX3_GPIO113 (2 << 19)
#define PWER_WEMUX3_MASK (3 << 19)

#define INIT_GPIO_DESC_MUXED(mux, gpio) \
do { \
gpio_desc[(gpio)].can_wakeup = 1; \
gpio_desc[(gpio)].mask = PWER_ ## mux ## _GPIO ##gpio; \
gpio_desc[(gpio)].mux_mask = PWER_ ## mux ## _MASK; \
} while (0)

static void __init pxa27x_mfp_init(void)
{
int i, gpio;
Expand Down Expand Up @@ -286,6 +307,12 @@ static void __init pxa27x_mfp_init(void)
gpio_desc[35].can_wakeup = 1;
gpio_desc[35].mask = PWER_WE35;

INIT_GPIO_DESC_MUXED(WEMUX3, 31);
INIT_GPIO_DESC_MUXED(WEMUX3, 113);
INIT_GPIO_DESC_MUXED(WEMUX2, 38);
INIT_GPIO_DESC_MUXED(WEMUX2, 53);
INIT_GPIO_DESC_MUXED(WEMUX2, 40);
INIT_GPIO_DESC_MUXED(WEMUX2, 36);
gpio_nr = 121;
}
#else
Expand Down

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