ARM: imx: dynamically allocate imx-keypad devices

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
diff --git a/arch/arm/mach-imx/devices-imx27.h b/arch/arm/mach-imx/devices-imx27.h
index 51bb42d..f1272d4 100644
--- a/arch/arm/mach-imx/devices-imx27.h
+++ b/arch/arm/mach-imx/devices-imx27.h
@@ -29,6 +29,10 @@
 #define imx27_add_imx_i2c(id, pdata)	\
 	imx_add_imx_i2c(&imx27_imx_i2c_data[id], pdata)
 
+extern const struct imx_imx_keypad_data imx27_imx_keypad_data __initconst;
+#define imx27_add_imx_keypad(pdata)	\
+	imx_add_imx_keypad(&imx27_imx_keypad_data, pdata)
+
 extern const struct imx_imx_ssi_data imx27_imx_ssi_data[] __initconst;
 #define imx27_add_imx_ssi(id, pdata)    \
 	imx_add_imx_ssi(&imx27_imx_ssi_data[id], pdata)