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[U-Boot,u-boot,v2,1/8] ARM: OMAP5+: GPIO: Add GPIO_TO_PIN() macro

Message ID 1485789316-22216-2-git-send-email-rogerq@ti.com
State Superseded
Delegated to: Tom Rini
Headers show

Commit Message

Roger Quadros Jan. 30, 2017, 3:15 p.m. UTC 
GPIO_TO_PIN(bank, bank_gpio) returns the GPIO index
from the GPIO bank number and bank's GPIO offset number.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
---
 arch/arm/include/asm/arch-omap5/gpio.h | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Lokesh Vutla Jan. 31, 2017, 4:08 a.m. UTC | #1 
On Monday 30 January 2017 08:45 PM, Quadros, Roger wrote:
> GPIO_TO_PIN(bank, bank_gpio) returns the GPIO index
> from the GPIO bank number and bank's GPIO offset number.
> 
> Signed-off-by: Roger Quadros <rogerq@ti.com>
> Reviewed-by: Tom Rini <trini@konsulko.com>

Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>

Thanks and regards,
Lokesh
diff mbox

Patch

diff --git a/arch/arm/include/asm/arch-omap5/gpio.h b/arch/arm/include/asm/arch-omap5/gpio.h
index 9dd03c9..48e8ca5 100644
--- a/arch/arm/include/asm/arch-omap5/gpio.h
+++ b/arch/arm/include/asm/arch-omap5/gpio.h
@@ -34,4 +34,8 @@ 
 #define OMAP54XX_GPIO7_BASE		0x48051000
 #define OMAP54XX_GPIO8_BASE		0x48053000
 
+
+/* Get the GPIO index from the given bank number and bank gpio */
+#define GPIO_TO_PIN(bank, bank_gpio)	(32 * (bank - 1) + (bank_gpio))
+
 #endif /* _GPIO_OMAP5_H */