diff options
author | Sudhakar Rajashekhara <sudhakar.raj@ti.com> | 2009-08-13 12:11:56 -0400 |
---|---|---|
committer | Kevin Hilman <khilman@deeprootsystems.com> | 2009-08-26 04:55:54 -0400 |
commit | b1466376b22e1ec6395ccda7580deb72d3a809ad (patch) | |
tree | fc75734a70d8958036db79c3f28bc7bc175fb608 /arch/arm | |
parent | 491214e1f8129844289869bb6c231dc4542b11e3 (diff) |
davinci: Macro to convert GPIO signal to GPIO pin number
Adds a macro to convert the GPIO signal passed as bank number
and signal to GPIO pin number.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-davinci/include/mach/gpio.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h index 4f032b38cd6e..f3b8ef878158 100644 --- a/arch/arm/mach-davinci/include/mach/gpio.h +++ b/arch/arm/mach-davinci/include/mach/gpio.h | |||
@@ -42,6 +42,9 @@ | |||
42 | */ | 42 | */ |
43 | #define GPIO(X) (X) /* 0 <= X <= (DAVINCI_N_GPIO - 1) */ | 43 | #define GPIO(X) (X) /* 0 <= X <= (DAVINCI_N_GPIO - 1) */ |
44 | 44 | ||
45 | /* Convert GPIO signal to GPIO pin number */ | ||
46 | #define GPIO_TO_PIN(bank, gpio) (16 * (bank) + (gpio)) | ||
47 | |||
45 | struct gpio_controller { | 48 | struct gpio_controller { |
46 | u32 dir; | 49 | u32 dir; |
47 | u32 out_data; | 50 | u32 out_data; |