From c34346d85dcb3fc84a110bf578b698c6a65af91d Mon Sep 17 00:00:00 2001 From: Bob Liu Date: Thu, 16 Aug 2012 11:40:30 +0800 Subject: blackfin: bf60x: add gpio support Signed-off-by: Bob Liu Signed-off-by: Sonic Zhang Signed-off-by: Sonic Zhang --- arch/blackfin/cpu/gpio.c | 36 +++++-- arch/blackfin/include/asm/gpio.h | 2 +- arch/blackfin/include/asm/mach-bf609/gpio.h | 151 ++++++++++++++++++++++++++++ 3 files changed, 181 insertions(+), 8 deletions(-) create mode 100644 arch/blackfin/include/asm/mach-bf609/gpio.h (limited to 'arch') diff --git a/arch/blackfin/cpu/gpio.c b/arch/blackfin/cpu/gpio.c index 5674d42b6d..f684be531c 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 224688fc54..05131b5e8b 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 0000000000..e297bcc833 --- /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_ */ -- cgit v1.2.1