nios2: add gpio_free
Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Signed-off-by: Scott McNutt <smcnutt@psyent.com>
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8d4addc3c3
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@ -26,6 +26,11 @@ static inline int gpio_request(unsigned gpio, const char *label)
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return 0;
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return 0;
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}
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}
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static inline int gpio_free(unsigned gpio)
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{
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return 0;
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}
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static inline int gpio_direction_input(unsigned gpio)
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static inline int gpio_direction_input(unsigned gpio)
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{
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{
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writel(1, CONFIG_SYS_GPIO_BASE + (gpio << 2));
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writel(1, CONFIG_SYS_GPIO_BASE + (gpio << 2));
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@ -49,6 +54,7 @@ static inline void gpio_set_value(unsigned gpio, int value)
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}
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}
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#else
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#else
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extern int gpio_request(unsigned gpio, const char *label);
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extern int gpio_request(unsigned gpio, const char *label);
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extern int gpio_free(unsigned gpio);
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extern int gpio_direction_input(unsigned gpio);
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extern int gpio_direction_input(unsigned gpio);
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extern int gpio_direction_output(unsigned gpio, int value);
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extern int gpio_direction_output(unsigned gpio, int value);
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extern int gpio_get_value(unsigned gpio);
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extern int gpio_get_value(unsigned gpio);
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@ -20,6 +20,11 @@ int gpio_request(unsigned gpio, const char *label)
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return 0;
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return 0;
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}
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}
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int gpio_free(unsigned gpio)
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{
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return 0;
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}
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int gpio_direction_input(unsigned gpio)
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int gpio_direction_input(unsigned gpio)
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{
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{
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u32 mask = 1 << gpio;
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u32 mask = 1 << gpio;
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