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authorBob Liu <lliubbo@gmail.com>2012-08-16 11:40:30 +0800
committersonic <sonic@sonic-linuxvm.(none)>2013-03-04 13:42:07 +0800
commitc34346d85dcb3fc84a110bf578b698c6a65af91d (patch)
treefa867c48403a4bc2dbe423dd14db6328740b1e7f /arch/blackfin/cpu
parent7677d65f6522b1a911ac3a24225ec29709106010 (diff)
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blackfin: bf60x: add gpio support
Signed-off-by: Bob Liu <lliubbo@gmail.com> Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Sonic Zhang <sonic.adi@gmail.com>
Diffstat (limited to 'arch/blackfin/cpu')
-rw-r--r--arch/blackfin/cpu/gpio.c36
1 files changed, 29 insertions, 7 deletions
diff --git a/arch/blackfin/cpu/gpio.c b/arch/blackfin/cpu/gpio.c
index 5674d42..f684be5 100644
--- a/arch/blackfin/cpu/gpio.c
+++ b/arch/blackfin/cpu/gpio.c
@@ -66,6 +66,14 @@ static struct gpio_port_t * const gpio_array[] = {
(struct gpio_port_t *)PORTH_FER,
(struct gpio_port_t *)PORTI_FER,
(struct gpio_port_t *)PORTJ_FER,
+#elif defined(CONFIG_BF60x)
+ (struct gpio_port_t *)PORTA_FER,
+ (struct gpio_port_t *)PORTB_FER,
+ (struct gpio_port_t *)PORTC_FER,
+ (struct gpio_port_t *)PORTD_FER,
+ (struct gpio_port_t *)PORTE_FER,
+ (struct gpio_port_t *)PORTF_FER,
+ (struct gpio_port_t *)PORTG_FER,
#else
# error no gpio arrays defined
#endif
@@ -216,6 +224,12 @@ static void port_setup(unsigned gpio, unsigned short usage)
else
gpio_array[gpio_bank(gpio)]->port_fer |= gpio_bit(gpio);
SSYNC();
+#elif defined(CONFIG_BF60x)
+ if (usage == GPIO_USAGE)
+ gpio_array[gpio_bank(gpio)]->port_fer_clear = gpio_bit(gpio);
+ else
+ gpio_array[gpio_bank(gpio)]->port_fer_set = gpio_bit(gpio);
+ SSYNC();
#endif
}
@@ -290,7 +304,7 @@ static void portmux_setup(unsigned short per)
}
}
}
-#elif defined(CONFIG_BF54x)
+#elif defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
inline void portmux_setup(unsigned short per)
{
u32 pmux;
@@ -330,7 +344,7 @@ inline void portmux_setup(unsigned short per)
# define portmux_setup(...) do { } while (0)
#endif
-#ifndef CONFIG_BF54x
+#if !defined(CONFIG_BF54x) && !defined(CONFIG_BF60x)
/***********************************************************
*
* FUNCTIONS: Blackfin General Purpose Ports Access Functions
@@ -534,7 +548,7 @@ int peripheral_request(unsigned short per, const char *label)
* be requested and used by several drivers
*/
-#ifdef CONFIG_BF54x
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
if (!((per & P_MAYSHARE) && get_portmux(per) == P_FUNCT2MUX(per))) {
#else
if (!(per & P_MAYSHARE)) {
@@ -651,7 +665,7 @@ int bfin_gpio_request(unsigned gpio, const char *label)
gpio, get_label(gpio));
return -EBUSY;
}
-#ifndef CONFIG_BF54x
+#if !defined(CONFIG_BF54x) && !defined(CONFIG_BF60x)
else { /* Reset POLAR setting when acquiring a gpio for the first time */
set_gpio_polar(gpio, 0);
}
@@ -732,12 +746,16 @@ void bfin_special_gpio_free(unsigned gpio)
static inline void __bfin_gpio_direction_input(unsigned gpio)
{
-#ifdef CONFIG_BF54x
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
gpio_array[gpio_bank(gpio)]->dir_clear = gpio_bit(gpio);
#else
gpio_array[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio);
#endif
+#if defined(CONFIG_BF60x)
+ gpio_array[gpio_bank(gpio)]->inen_set = gpio_bit(gpio);
+#else
gpio_array[gpio_bank(gpio)]->inen |= gpio_bit(gpio);
+#endif
}
int bfin_gpio_direction_input(unsigned gpio)
@@ -785,9 +803,13 @@ int bfin_gpio_direction_output(unsigned gpio, int value)
local_irq_save(flags);
+#if defined(CONFIG_BF60x)
+ gpio_array[gpio_bank(gpio)]->inen_clear = gpio_bit(gpio);
+#else
gpio_array[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio);
+#endif
gpio_set_value(gpio, value);
-#ifdef CONFIG_BF54x
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
gpio_array[gpio_bank(gpio)]->dir_set = gpio_bit(gpio);
#else
gpio_array[gpio_bank(gpio)]->dir |= gpio_bit(gpio);
@@ -801,7 +823,7 @@ int bfin_gpio_direction_output(unsigned gpio, int value)
int bfin_gpio_get_value(unsigned gpio)
{
-#ifdef CONFIG_BF54x
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
return (1 & (gpio_array[gpio_bank(gpio)]->data >> gpio_sub_n(gpio)));
#else
unsigned long flags;