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authorLinus Walleij <linus.walleij@linaro.org>2013-11-21 13:55:14 +0100
committerLinus Walleij <linus.walleij@linaro.org>2013-12-03 11:26:06 +0100
commiteef80f333fe659b2a5782abcaae93848d3963b57 (patch)
tree1b3d535d3b5ea771d175ed1dec4c57f4a17978e8 /include
parentd0c15054a31e0432dce13f47a05d3fd8a66759d8 (diff)
ARM: lpc32xx: move custom GPIO header
Move <mach/gpio-lpc32xx.h> to <linux/platform_data/gpio-lpc32xx.h>. Acked-by: Roland Stigge <stigge@antcom.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/platform_data/gpio-lpc32xx.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/include/linux/platform_data/gpio-lpc32xx.h b/include/linux/platform_data/gpio-lpc32xx.h
new file mode 100644
index 000000000000..a544e962a818
--- /dev/null
+++ b/include/linux/platform_data/gpio-lpc32xx.h
@@ -0,0 +1,50 @@
+/*
+ * Author: Kevin Wells <kevin.wells@nxp.com>
+ *
+ * Copyright (C) 2010 NXP Semiconductors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MACH_GPIO_LPC32XX_H
+#define __MACH_GPIO_LPC32XX_H
+
+/*
+ * Note!
+ * Muxed GP pins need to be setup to the GP state in the board level
+ * code prior to using this driver.
+ * GPI pins : 28xP3 group
+ * GPO pins : 24xP3 group
+ * GPIO pins: 8xP0 group, 24xP1 group, 13xP2 group, 6xP3 group
+ */
+
+#define LPC32XX_GPIO_P0_MAX 8
+#define LPC32XX_GPIO_P1_MAX 24
+#define LPC32XX_GPIO_P2_MAX 13
+#define LPC32XX_GPIO_P3_MAX 6
+#define LPC32XX_GPI_P3_MAX 29
+#define LPC32XX_GPO_P3_MAX 24
+
+#define LPC32XX_GPIO_P0_GRP 0
+#define LPC32XX_GPIO_P1_GRP (LPC32XX_GPIO_P0_GRP + LPC32XX_GPIO_P0_MAX)
+#define LPC32XX_GPIO_P2_GRP (LPC32XX_GPIO_P1_GRP + LPC32XX_GPIO_P1_MAX)
+#define LPC32XX_GPIO_P3_GRP (LPC32XX_GPIO_P2_GRP + LPC32XX_GPIO_P2_MAX)
+#define LPC32XX_GPI_P3_GRP (LPC32XX_GPIO_P3_GRP + LPC32XX_GPIO_P3_MAX)
+#define LPC32XX_GPO_P3_GRP (LPC32XX_GPI_P3_GRP + LPC32XX_GPI_P3_MAX)
+
+/*
+ * A specific GPIO can be selected with this macro
+ * ie, GPIO_05 can be selected with LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 5)
+ * See the LPC32x0 User's guide for GPIO group numbers
+ */
+#define LPC32XX_GPIO(x, y) ((x) + (y))
+
+#endif /* __MACH_GPIO_LPC32XX_H */