diff options
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/Kconfig | 11 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/gpio.h | 157 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/portmux.h | 19 | ||||
| -rw-r--r-- | arch/blackfin/kernel/Makefile | 3 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf548/include/mach/portmux.h | 2 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf609/include/mach/portmux.h | 2 |
6 files changed, 50 insertions, 144 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index f78c9a2c7e28..74314bd8be39 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -52,6 +52,9 @@ config GENERIC_BUG config ZONE_DMA def_bool y +config GENERIC_GPIO + def_bool y + config FORCE_MAX_ZONEORDER int default "14" @@ -317,6 +320,14 @@ config BF53x depends on (BF531 || BF532 || BF533 || BF534 || BF536 || BF537) default y +config GPIO_ADI + def_bool y + depends on (BF51x || BF52x || BF53x || BF538 || BF539 || BF561) + +config PINCTRL + def_bool y + depends on BF54x || BF60x + config MEM_MT48LC64M4A2FB_7E bool depends on (BFIN533_STAMP) diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h index 98d0133346b5..99d338ca2ea4 100644 --- a/arch/blackfin/include/asm/gpio.h +++ b/arch/blackfin/include/asm/gpio.h @@ -25,8 +25,12 @@ #ifndef __ASSEMBLY__ +#ifndef CONFIG_PINCTRL + #include <linux/compiler.h> -#include <linux/gpio.h> +#include <asm/blackfin.h> +#include <asm/portmux.h> +#include <asm/irq_handler.h> /*********************************************************** * @@ -45,7 +49,6 @@ * MODIFICATION HISTORY : **************************************************************/ -#if !BFIN_GPIO_PINT void set_gpio_dir(unsigned, unsigned short); void set_gpio_inen(unsigned, unsigned short); void set_gpio_polar(unsigned, unsigned short); @@ -115,7 +118,6 @@ struct gpio_port_t { unsigned short dummy16; unsigned short inen; }; -#endif #ifdef BFIN_SPECIAL_GPIO_BANKS void bfin_special_gpio_free(unsigned gpio); @@ -127,25 +129,21 @@ void bfin_special_gpio_pm_hibernate_suspend(void); #endif #ifdef CONFIG_PM -int bfin_pm_standby_ctrl(unsigned ctrl); +void bfin_gpio_pm_hibernate_restore(void); +void bfin_gpio_pm_hibernate_suspend(void); +int bfin_gpio_pm_wakeup_ctrl(unsigned gpio, unsigned ctrl); +int bfin_gpio_pm_standby_ctrl(unsigned ctrl); static inline int bfin_pm_standby_setup(void) { - return bfin_pm_standby_ctrl(1); + return bfin_gpio_pm_standby_ctrl(1); } static inline void bfin_pm_standby_restore(void) { - bfin_pm_standby_ctrl(0); + bfin_gpio_pm_standby_ctrl(0); } -void bfin_gpio_pm_hibernate_restore(void); -void bfin_gpio_pm_hibernate_suspend(void); -void bfin_pint_suspend(void); -void bfin_pint_resume(void); - -# if !BFIN_GPIO_PINT -int gpio_pm_wakeup_ctrl(unsigned gpio, unsigned ctrl); struct gpio_port_s { unsigned short data; @@ -161,7 +159,6 @@ struct gpio_port_s { unsigned short reserved; unsigned short mux; }; -# endif #endif /*CONFIG_PM*/ /*********************************************************** @@ -178,36 +175,29 @@ struct gpio_port_s { ************************************************************* * MODIFICATION HISTORY : **************************************************************/ - -int bfin_gpio_request(unsigned gpio, const char *label); -void bfin_gpio_free(unsigned gpio); int bfin_gpio_irq_request(unsigned gpio, const char *label); void bfin_gpio_irq_free(unsigned gpio); -int bfin_gpio_direction_input(unsigned gpio); -int bfin_gpio_direction_output(unsigned gpio, int value); -int bfin_gpio_get_value(unsigned gpio); -void bfin_gpio_set_value(unsigned gpio, int value); +void bfin_gpio_irq_prepare(unsigned gpio); + +static inline int irq_to_gpio(unsigned irq) +{ + return irq - GPIO_IRQ_BASE; +} +#endif /* CONFIG_PINCTRL */ #include <asm/irq.h> #include <asm/errno.h> -#ifdef CONFIG_GPIOLIB #include <asm-generic/gpio.h> /* cansleep wrappers */ static inline int gpio_get_value(unsigned int gpio) { - if (gpio < MAX_BLACKFIN_GPIOS) - return bfin_gpio_get_value(gpio); - else - return __gpio_get_value(gpio); + return __gpio_get_value(gpio); } static inline void gpio_set_value(unsigned int gpio, int value) { - if (gpio < MAX_BLACKFIN_GPIOS) - bfin_gpio_set_value(gpio, value); - else - __gpio_set_value(gpio, value); + __gpio_set_value(gpio, value); } static inline int gpio_cansleep(unsigned int gpio) @@ -219,113 +209,6 @@ static inline int gpio_to_irq(unsigned gpio) { return __gpio_to_irq(gpio); } - -#else /* !CONFIG_GPIOLIB */ - -static inline int gpio_request(unsigned gpio, const char *label) -{ - return bfin_gpio_request(gpio, label); -} - -static inline void gpio_free(unsigned gpio) -{ - return bfin_gpio_free(gpio); -} - -static inline int gpio_direction_input(unsigned gpio) -{ - return bfin_gpio_direction_input(gpio); -} - -static inline int gpio_direction_output(unsigned gpio, int value) -{ - return bfin_gpio_direction_output(gpio, value); -} - -static inline int gpio_set_debounce(unsigned gpio, unsigned debounce) -{ - return -EINVAL; -} - -static inline int gpio_request_one(unsigned gpio, unsigned long flags, const char *label) -{ - int err; - - err = bfin_gpio_request(gpio, label); - if (err) - return err; - - if (flags & GPIOF_DIR_IN) - err = bfin_gpio_direction_input(gpio); - else - err = bfin_gpio_direction_output(gpio, - (flags & GPIOF_INIT_HIGH) ? 1 : 0); - - if (err) - bfin_gpio_free(gpio); - - return err; -} - -static inline int gpio_request_array(const struct gpio *array, size_t num) -{ - int i, err; - - for (i = 0; i < num; i++, array++) { - err = gpio_request_one(array->gpio, array->flags, array->label); - if (err) - goto err_free; - } - return 0; - -err_free: - while (i--) - bfin_gpio_free((--array)->gpio); - return err; -} - -static inline void gpio_free_array(const struct gpio *array, size_t num) -{ - while (num--) - bfin_gpio_free((array++)->gpio); -} - -static inline int __gpio_get_value(unsigned gpio) -{ - return bfin_gpio_get_value(gpio); -} - -static inline void __gpio_set_value(unsigned gpio, int value) -{ - return bfin_gpio_set_value(gpio, value); -} - -static inline int gpio_get_value(unsigned gpio) -{ - return __gpio_get_value(gpio); -} - -static inline void gpio_set_value(unsigned gpio, int value) -{ - return __gpio_set_value(gpio, value); -} - -static inline int gpio_to_irq(unsigned gpio) -{ - if (likely(gpio < MAX_BLACKFIN_GPIOS)) - return gpio + GPIO_IRQ_BASE; - - return -EINVAL; -} - -#include <asm-generic/gpio.h> /* cansleep wrappers */ -#endif /* !CONFIG_GPIOLIB */ - -static inline int irq_to_gpio(unsigned irq) -{ - return (irq - GPIO_IRQ_BASE); -} - #endif /* __ASSEMBLY__ */ #endif /* __ARCH_BLACKFIN_GPIO_H__ */ diff --git a/arch/blackfin/include/asm/portmux.h b/arch/blackfin/include/asm/portmux.h index 9b1e2c37b324..7aa20436e799 100644 --- a/arch/blackfin/include/asm/portmux.h +++ b/arch/blackfin/include/asm/portmux.h @@ -17,14 +17,29 @@ #define P_MAYSHARE 0x2000 #define P_DONTCARE 0x1000 - +#ifdef CONFIG_PINCTRL +#include <asm/irq_handler.h> + +#define gpio_pint_regs bfin_pint_regs +#define adi_internal_set_wake bfin_internal_set_wake + +#define peripheral_request(per, label) 0 +#define peripheral_free(per) +#define peripheral_request_list(per, label) \ + (pdev ? (IS_ERR(devm_pinctrl_get_select_default(&pdev->dev)) \ + ? -EINVAL : 0) : 0) +#define peripheral_free_list(per) +#else int peripheral_request(unsigned short per, const char *label); void peripheral_free(unsigned short per); int peripheral_request_list(const unsigned short per[], const char *label); void peripheral_free_list(const unsigned short per[]); +#endif -#include <asm/gpio.h> +#include <linux/err.h> +#include <linux/pinctrl/pinctrl.h> #include <mach/portmux.h> +#include <linux/gpio.h> #ifndef P_SPORT2_TFS #define P_SPORT2_TFS P_UNDEF diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile index 735f24e07425..703dc7cf2ecc 100644 --- a/arch/blackfin/kernel/Makefile +++ b/arch/blackfin/kernel/Makefile @@ -7,7 +7,7 @@ extra-y := vmlinux.lds obj-y := \ entry.o process.o bfin_ksyms.o ptrace.o setup.o signal.o \ sys_bfin.o traps.o irqchip.o dma-mapping.o flat.o \ - fixed_code.o reboot.o bfin_gpio.o bfin_dma.o \ + fixed_code.o reboot.o bfin_dma.o \ exception.o dumpstack.o ifeq ($(CONFIG_GENERIC_CLOCKEVENTS),y) @@ -16,6 +16,7 @@ else obj-y += time.o endif +obj-$(CONFIG_GPIO_ADI) += bfin_gpio.o obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o obj-$(CONFIG_FUNCTION_TRACER) += ftrace-entry.o obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o diff --git a/arch/blackfin/mach-bf548/include/mach/portmux.h b/arch/blackfin/mach-bf548/include/mach/portmux.h index e22246202730..d9f8632d7d09 100644 --- a/arch/blackfin/mach-bf548/include/mach/portmux.h +++ b/arch/blackfin/mach-bf548/include/mach/portmux.h @@ -7,8 +7,6 @@ #ifndef _MACH_PORTMUX_H_ #define _MACH_PORTMUX_H_ -#define MAX_RESOURCES MAX_BLACKFIN_GPIOS - #define P_SPORT2_TFS (P_DEFINED | P_IDENT(GPIO_PA0) | P_FUNCT(0)) #define P_SPORT2_DTSEC (P_DEFINED | P_IDENT(GPIO_PA1) | P_FUNCT(0)) #define P_SPORT2_DTPRI (P_DEFINED | P_IDENT(GPIO_PA2) | P_FUNCT(0)) diff --git a/arch/blackfin/mach-bf609/include/mach/portmux.h b/arch/blackfin/mach-bf609/include/mach/portmux.h index 2e1a51c25098..fe34191eef0b 100644 --- a/arch/blackfin/mach-bf609/include/mach/portmux.h +++ b/arch/blackfin/mach-bf609/include/mach/portmux.h @@ -7,8 +7,6 @@ #ifndef _MACH_PORTMUX_H_ #define _MACH_PORTMUX_H_ -#define MAX_RESOURCES MAX_BLACKFIN_GPIOS - /* EMAC RMII Port Mux */ #define P_MII0_MDC (P_DEFINED | P_IDENT(GPIO_PC6) | P_FUNCT(0)) #define P_MII0_MDIO (P_DEFINED | P_IDENT(GPIO_PC7) | P_FUNCT(0)) |