diff options
author | Daniel Ribeiro <drwyrm@gmail.com> | 2009-05-05 21:43:18 -0400 |
---|---|---|
committer | Eric Miao <eric.miao@marvell.com> | 2009-05-18 09:52:09 -0400 |
commit | 216e3b7abbd05c35d2d1a3f86629ade485351f0d (patch) | |
tree | fe89595dba787748fe311721cebd6a6101255752 /arch | |
parent | 818bc814447a35350ae90a329133e474bf1a2bd7 (diff) |
[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: Daniel Ribeiro <drwyrm@gmail.com>
Acked-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-pxa/include/mach/reset.h | 5 | ||||
-rw-r--r-- | arch/arm/mach-pxa/reset.c | 4 | ||||
-rw-r--r-- | arch/arm/mach-pxa/spitz.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-pxa/tosa.c | 2 |
4 files changed, 7 insertions, 6 deletions
diff --git a/arch/arm/mach-pxa/include/mach/reset.h b/arch/arm/mach-pxa/include/mach/reset.h index 31e6a7b6ad80..b6c10556fbc7 100644 --- a/arch/arm/mach-pxa/include/mach/reset.h +++ b/arch/arm/mach-pxa/include/mach/reset.h | |||
@@ -13,8 +13,9 @@ extern void clear_reset_status(unsigned int mask); | |||
13 | /** | 13 | /** |
14 | * init_gpio_reset() - register GPIO as reset generator | 14 | * init_gpio_reset() - register GPIO as reset generator |
15 | * @gpio: gpio nr | 15 | * @gpio: gpio nr |
16 | * @output: set gpio as out/low instead of input during normal work | 16 | * @output: set gpio as output instead of input during normal work |
17 | * @level: output level | ||
17 | */ | 18 | */ |
18 | extern int init_gpio_reset(int gpio, int output); | 19 | extern int init_gpio_reset(int gpio, int output, int level); |
19 | 20 | ||
20 | #endif /* __ASM_ARCH_RESET_H */ | 21 | #endif /* __ASM_ARCH_RESET_H */ |
diff --git a/arch/arm/mach-pxa/reset.c b/arch/arm/mach-pxa/reset.c index df29d45fb4e7..01e9d643394a 100644 --- a/arch/arm/mach-pxa/reset.c +++ b/arch/arm/mach-pxa/reset.c | |||
@@ -20,7 +20,7 @@ static void do_hw_reset(void); | |||
20 | 20 | ||
21 | static int reset_gpio = -1; | 21 | static int reset_gpio = -1; |
22 | 22 | ||
23 | int init_gpio_reset(int gpio, int output) | 23 | int init_gpio_reset(int gpio, int output, int level) |
24 | { | 24 | { |
25 | int rc; | 25 | int rc; |
26 | 26 | ||
@@ -31,7 +31,7 @@ int init_gpio_reset(int gpio, int output) | |||
31 | } | 31 | } |
32 | 32 | ||
33 | if (output) | 33 | if (output) |
34 | rc = gpio_direction_output(gpio, 0); | 34 | rc = gpio_direction_output(gpio, level); |
35 | else | 35 | else |
36 | rc = gpio_direction_input(gpio); | 36 | rc = gpio_direction_input(gpio); |
37 | if (rc) { | 37 | if (rc) { |
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index c18e34acafcb..cdacea09abfa 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c | |||
@@ -731,7 +731,7 @@ static void spitz_restart(char mode, const char *cmd) | |||
731 | 731 | ||
732 | static void __init common_init(void) | 732 | static void __init common_init(void) |
733 | { | 733 | { |
734 | init_gpio_reset(SPITZ_GPIO_ON_RESET, 1); | 734 | init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0); |
735 | pm_power_off = spitz_poweroff; | 735 | pm_power_off = spitz_poweroff; |
736 | arm_pm_restart = spitz_restart; | 736 | arm_pm_restart = spitz_restart; |
737 | 737 | ||
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c index afac5b6d3d78..a0bd46ef5d30 100644 --- a/arch/arm/mach-pxa/tosa.c +++ b/arch/arm/mach-pxa/tosa.c | |||
@@ -897,7 +897,7 @@ static void __init tosa_init(void) | |||
897 | gpio_set_wake(MFP_PIN_GPIO1, 1); | 897 | gpio_set_wake(MFP_PIN_GPIO1, 1); |
898 | /* We can't pass to gpio-keys since it will drop the Reset altfunc */ | 898 | /* We can't pass to gpio-keys since it will drop the Reset altfunc */ |
899 | 899 | ||
900 | init_gpio_reset(TOSA_GPIO_ON_RESET, 0); | 900 | init_gpio_reset(TOSA_GPIO_ON_RESET, 0, 0); |
901 | 901 | ||
902 | pm_power_off = tosa_poweroff; | 902 | pm_power_off = tosa_poweroff; |
903 | arm_pm_restart = tosa_restart; | 903 | arm_pm_restart = tosa_restart; |