提交 216e3b7a 编写于 作者: D Daniel Ribeiro 提交者: Eric Miao

[ARM] pxa: allow gpio_reset drive high during normal work

I want to reuse tosa/spitz gpio_reset code, but my board needs the reset
gpio to be driven high during normal operation.
Signed-off-by: NDaniel Ribeiro <drwyrm@gmail.com>
Acked-by: NDmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: NEric Miao <eric.miao@marvell.com>
上级 818bc814
......@@ -13,8 +13,9 @@ extern void clear_reset_status(unsigned int mask);
/**
* init_gpio_reset() - register GPIO as reset generator
* @gpio: gpio nr
* @output: set gpio as out/low instead of input during normal work
* @output: set gpio as output instead of input during normal work
* @level: output level
*/
extern int init_gpio_reset(int gpio, int output);
extern int init_gpio_reset(int gpio, int output, int level);
#endif /* __ASM_ARCH_RESET_H */
......@@ -20,7 +20,7 @@ static void do_hw_reset(void);
static int reset_gpio = -1;
int init_gpio_reset(int gpio, int output)
int init_gpio_reset(int gpio, int output, int level)
{
int rc;
......@@ -31,7 +31,7 @@ int init_gpio_reset(int gpio, int output)
}
if (output)
rc = gpio_direction_output(gpio, 0);
rc = gpio_direction_output(gpio, level);
else
rc = gpio_direction_input(gpio);
if (rc) {
......
......@@ -731,7 +731,7 @@ static void spitz_restart(char mode, const char *cmd)
static void __init common_init(void)
{
init_gpio_reset(SPITZ_GPIO_ON_RESET, 1);
init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
pm_power_off = spitz_poweroff;
arm_pm_restart = spitz_restart;
......
......@@ -897,7 +897,7 @@ static void __init tosa_init(void)
gpio_set_wake(MFP_PIN_GPIO1, 1);
/* We can't pass to gpio-keys since it will drop the Reset altfunc */
init_gpio_reset(TOSA_GPIO_ON_RESET, 0);
init_gpio_reset(TOSA_GPIO_ON_RESET, 0, 0);
pm_power_off = tosa_poweroff;
arm_pm_restart = tosa_restart;
......
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