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| author | Sudhakar Rajashekhara <sudhakar.raj@ti.com> | 2009-08-13 12:11:56 -0400 |
|---|---|---|
| committer | Kevin Hilman <khilman@deeprootsystems.com> | 2009-08-26 11:55:54 +0300 |
| commit | b1466376b22e1ec6395ccda7580deb72d3a809ad (patch) | |
| tree | fc75734a70d8958036db79c3f28bc7bc175fb608 /arch/arm | |
| parent | 491214e1f8129844289869bb6c231dc4542b11e3 (diff) | |
| download | linux-b1466376b22e1ec6395ccda7580deb72d3a809ad.tar.gz linux-b1466376b22e1ec6395ccda7580deb72d3a809ad.tar.bz2 linux-b1466376b22e1ec6395ccda7580deb72d3a809ad.zip | |
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 @@ */ #define GPIO(X) (X) /* 0 <= X <= (DAVINCI_N_GPIO - 1) */ +/* Convert GPIO signal to GPIO pin number */ +#define GPIO_TO_PIN(bank, gpio) (16 * (bank) + (gpio)) + struct gpio_controller { u32 dir; u32 out_data; |