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authorRoland Stigge <stigge@antcom.de>2012-05-18 10:19:52 +0200
committerGrant Likely <grant.likely@secretlab.ca>2012-05-18 16:48:36 -0600
commite92935e13a052df7e6bc274e00fc91b80531f1e4 (patch)
treeb04f80aa90bab2d71f2299b00f5cccc3e7ee9a7a /arch/arm/mach-lpc32xx
parent3d0f7cf0f3633f92ddeb767eb59cab73963d4dee (diff)
gpio/lpc32xx: Add device tree support
This patch adds device tree support for gpio-lpc32xx.c. To register the various GPIO banks as (struct) gpio_chips via the same DT gpio-controller, we utilize the adjusted of_xlate API to manipulate the actually used struct gpio_chip. Signed-off-by: Roland Stigge <stigge@antcom.de> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/arm/mach-lpc32xx')
-rw-r--r--arch/arm/mach-lpc32xx/include/mach/gpio.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mach-lpc32xx/include/mach/gpio.h b/arch/arm/mach-lpc32xx/include/mach/gpio.h
index 40a8c178f10d..2ba6ca412bef 100644
--- a/arch/arm/mach-lpc32xx/include/mach/gpio.h
+++ b/arch/arm/mach-lpc32xx/include/mach/gpio.h
@@ -1 +1,8 @@
-/* empty */
+#ifndef __MACH_GPIO_H
+#define __MACH_GPIO_H
+
+#include "gpio-lpc32xx.h"
+
+#define ARCH_NR_GPIOS (LPC32XX_GPO_P3_GRP + LPC32XX_GPO_P3_MAX)
+
+#endif /* __MACH_GPIO_H */