gpio.c File Reference

#include <device/mmio.h>
#include <gpio.h>
#include <soc/iomap.h>

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Functions
static int	gpio_not_valid (gpio_t gpio)
void	gpio_tlmm_config_set (gpio_t gpio, unsigned int func, unsigned int pull, unsigned int drvstr, unsigned int enable)
void	gpio_tlmm_config_get (gpio_t gpio, unsigned int *func, unsigned int *pull, unsigned int *drvstr, unsigned int *enable)
int	gpio_get (gpio_t gpio)
void	gpio_set (gpio_t gpio, int value)
void	gpio_input_pulldown (gpio_t gpio)
void	gpio_input_pullup (gpio_t gpio)
void	gpio_input (gpio_t gpio)

Function Documentation

gpio_get()

int gpio_get

(

gpio_t

gpio

)

Definition at line 88 of file gpio.c.

References GPIO_IN_OUT_ADDR, GPIO_IO_IN_MASK, GPIO_IO_IN_SHIFT, gpio_not_valid(), and read32().

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gpio_input()

void gpio_input

(

gpio_t

gpio

)

Definition at line 117 of file gpio.c.

References GPIO_2MA, GPIO_DISABLE, GPIO_FUNC_DISABLE, GPIO_NO_PULL, and gpio_tlmm_config_set().

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gpio_input_pulldown()

void gpio_input_pulldown

(

gpio_t

gpio

)

Definition at line 105 of file gpio.c.

References GPIO_2MA, GPIO_DISABLE, GPIO_FUNC_DISABLE, GPIO_PULL_DOWN, and gpio_tlmm_config_set().

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gpio_input_pullup()

void gpio_input_pullup

(

gpio_t

gpio

)

Definition at line 111 of file gpio.c.

References GPIO_2MA, GPIO_DISABLE, GPIO_FUNC_DISABLE, GPIO_PULL_UP, and gpio_tlmm_config_set().

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gpio_not_valid()

static int gpio_not_valid ( gpio_t  gpio )

inlinestatic

Definition at line 15 of file gpio.c.

References GPIO_MAX_NUM.

Referenced by gpio_get(), gpio_set(), gpio_tlmm_config_get(), and gpio_tlmm_config_set().

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gpio_set()

void gpio_set	(	gpio_t	gpio,
		int	value
	)

Definition at line 97 of file gpio.c.

References GPIO_IN_OUT_ADDR, GPIO_IO_OUT_SHIFT, gpio_not_valid(), value, and write32().

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gpio_tlmm_config_get()

void gpio_tlmm_config_get	(	gpio_t	gpio,
		unsigned int *	func,
		unsigned int *	pull,
		unsigned int *	drvstr,
		unsigned int *	enable
	)

Definition at line 61 of file gpio.c.

References addr, GPIO_CFG_DRV_MASK, GPIO_CFG_DRV_SHIFT, GPIO_CFG_FUNC_MASK, GPIO_CFG_FUNC_SHIFT, GPIO_CFG_OE_MASK, GPIO_CFG_OE_SHIFT, GPIO_CFG_PULL_MASK, GPIO_CFG_PULL_SHIFT, GPIO_CONFIG_ADDR, gpio_not_valid(), pull, read32(), and val.

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gpio_tlmm_config_set()

void gpio_tlmm_config_set	(	gpio_t	gpio,
		unsigned int	func,
		unsigned int	pull,
		unsigned int	drvstr,
		unsigned int	enable
	)

Definition at line 32 of file gpio.c.

References GPIO_CFG_DRV_MASK, GPIO_CFG_DRV_SHIFT, GPIO_CFG_FUNC_MASK, GPIO_CFG_FUNC_SHIFT, GPIO_CFG_OE_MASK, GPIO_CFG_OE_SHIFT, GPIO_CFG_PULL_MASK, GPIO_CFG_PULL_SHIFT, GPIO_CONFIG_ADDR, gpio_not_valid(), pull, val, and write32().

Referenced by assert_sw_reset(), blsp_i2c_init_board(), gpio_input(), gpio_input_pulldown(), gpio_input_pullup(), gsbi_init_board(), ipq_setup_tpm(), read_gpio(), setup_tpm(), and setup_usb().

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