[U-Boot] [u-boot PATCH v3 1/8] ARM: OMAP5+: GPIO: Add GPIO_TO_PIN() macro
Roger Quadros
rogerq at ti.com
Mon Feb 6 09:36:08 UTC 2017
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 at ti.com>
Reviewed-by: Tom Rini <trini at konsulko.com>
Reviewed-by: Lokesh Vutla <lokeshvutla at ti.com>
---
arch/arm/include/asm/arch-omap5/gpio.h | 4 ++++
1 file changed, 4 insertions(+)
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 */
--
2.7.4
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