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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
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')
-rw-r--r--arch/blackfin/cpu/gpio.c36
-rw-r--r--arch/blackfin/include/asm/gpio.h2
-rw-r--r--arch/blackfin/include/asm/mach-bf609/gpio.h151
3 files changed, 181 insertions, 8 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;
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
index 224688f..05131b5 100644
--- a/arch/blackfin/include/asm/gpio.h
+++ b/arch/blackfin/include/asm/gpio.h
@@ -68,7 +68,7 @@
#ifndef __ASSEMBLY__
-#ifndef CONFIG_BF54x
+#if !defined(CONFIG_BF54x) && !defined(CONFIG_BF60x)
void set_gpio_dir(unsigned, unsigned short);
void set_gpio_inen(unsigned, unsigned short);
void set_gpio_polar(unsigned, unsigned short);
diff --git a/arch/blackfin/include/asm/mach-bf609/gpio.h b/arch/blackfin/include/asm/mach-bf609/gpio.h
new file mode 100644
index 0000000..e297bcc
--- /dev/null
+++ b/arch/blackfin/include/asm/mach-bf609/gpio.h
@@ -0,0 +1,151 @@
+/*
+ * Copyright (C) 2008 Analog Devices Inc.
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _MACH_GPIO_H_
+#define _MACH_GPIO_H_
+
+#define MAX_BLACKFIN_GPIOS 112
+
+#define GPIO_PA0 0
+#define GPIO_PA1 1
+#define GPIO_PA2 2
+#define GPIO_PA3 3
+#define GPIO_PA4 4
+#define GPIO_PA5 5
+#define GPIO_PA6 6
+#define GPIO_PA7 7
+#define GPIO_PA8 8
+#define GPIO_PA9 9
+#define GPIO_PA10 10
+#define GPIO_PA11 11
+#define GPIO_PA12 12
+#define GPIO_PA13 13
+#define GPIO_PA14 14
+#define GPIO_PA15 15
+#define GPIO_PB0 16
+#define GPIO_PB1 17
+#define GPIO_PB2 18
+#define GPIO_PB3 19
+#define GPIO_PB4 20
+#define GPIO_PB5 21
+#define GPIO_PB6 22
+#define GPIO_PB7 23
+#define GPIO_PB8 24
+#define GPIO_PB9 25
+#define GPIO_PB10 26
+#define GPIO_PB11 27
+#define GPIO_PB12 28
+#define GPIO_PB13 29
+#define GPIO_PB14 30
+#define GPIO_PB15 31
+#define GPIO_PC0 32
+#define GPIO_PC1 33
+#define GPIO_PC2 34
+#define GPIO_PC3 35
+#define GPIO_PC4 36
+#define GPIO_PC5 37
+#define GPIO_PC6 38
+#define GPIO_PC7 39
+#define GPIO_PC8 40
+#define GPIO_PC9 41
+#define GPIO_PC10 42
+#define GPIO_PC11 43
+#define GPIO_PC12 44
+#define GPIO_PC13 45
+#define GPIO_PC14 46
+#define GPIO_PC15 47
+#define GPIO_PD0 48
+#define GPIO_PD1 49
+#define GPIO_PD2 50
+#define GPIO_PD3 51
+#define GPIO_PD4 52
+#define GPIO_PD5 53
+#define GPIO_PD6 54
+#define GPIO_PD7 55
+#define GPIO_PD8 56
+#define GPIO_PD9 57
+#define GPIO_PD10 58
+#define GPIO_PD11 59
+#define GPIO_PD12 60
+#define GPIO_PD13 61
+#define GPIO_PD14 62
+#define GPIO_PD15 63
+#define GPIO_PE0 64
+#define GPIO_PE1 65
+#define GPIO_PE2 66
+#define GPIO_PE3 67
+#define GPIO_PE4 68
+#define GPIO_PE5 69
+#define GPIO_PE6 70
+#define GPIO_PE7 71
+#define GPIO_PE8 72
+#define GPIO_PE9 73
+#define GPIO_PE10 74
+#define GPIO_PE11 75
+#define GPIO_PE12 76
+#define GPIO_PE13 77
+#define GPIO_PE14 78
+#define GPIO_PE15 79
+#define GPIO_PF0 80
+#define GPIO_PF1 81
+#define GPIO_PF2 82
+#define GPIO_PF3 83
+#define GPIO_PF4 84
+#define GPIO_PF5 85
+#define GPIO_PF6 86
+#define GPIO_PF7 87
+#define GPIO_PF8 88
+#define GPIO_PF9 89
+#define GPIO_PF10 90
+#define GPIO_PF11 91
+#define GPIO_PF12 92
+#define GPIO_PF13 93
+#define GPIO_PF14 94
+#define GPIO_PF15 95
+#define GPIO_PG0 96
+#define GPIO_PG1 97
+#define GPIO_PG2 98
+#define GPIO_PG3 99
+#define GPIO_PG4 100
+#define GPIO_PG5 101
+#define GPIO_PG6 102
+#define GPIO_PG7 103
+#define GPIO_PG8 104
+#define GPIO_PG9 105
+#define GPIO_PG10 106
+#define GPIO_PG11 107
+#define GPIO_PG12 108
+#define GPIO_PG13 109
+#define GPIO_PG14 110
+#define GPIO_PG15 111
+
+#ifndef __ASSEMBLY__
+
+struct gpio_port_t {
+ unsigned long port_fer;
+ unsigned long port_fer_set;
+ unsigned long port_fer_clear;
+ unsigned long data;
+ unsigned long data_set;
+ unsigned long data_clear;
+ unsigned long dir;
+ unsigned long dir_set;
+ unsigned long dir_clear;
+ unsigned long inen;
+ unsigned long inen_set;
+ unsigned long inen_clear;
+ unsigned long port_mux;
+ unsigned long toggle;
+ unsigned long polar;
+ unsigned long polar_set;
+ unsigned long polar_clear;
+ unsigned long lock;
+ unsigned long spare;
+ unsigned long revid;
+};
+
+#endif
+
+#endif /* _MACH_GPIO_H_ */