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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-27 08:39:10 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-27 08:39:10 +0200
commitca90666287401b475d9e0becf85bd02f069f1de8 (patch)
treead4dd789f8d5ab639c78997d3655b94fcbf660ef /arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h
parentfs/Makefile: Stupid typo breakage of exofs inclusion (diff)
parentARM: 7135/1: ep93xx: bring back missing <mach/gpio.h> (diff)
downloadlinux-ca90666287401b475d9e0becf85bd02f069f1de8.tar.xz
linux-ca90666287401b475d9e0becf85bd02f069f1de8.zip
Merge branch 'gpio' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'gpio' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: (43 commits) ARM: 7135/1: ep93xx: bring back missing <mach/gpio.h> ARM: 7104/1: plat-pxa: break out GPIO driver specifics ARM: 7103/1: plat-pxa: move PXA GPIO driver to GPIO subsystem ARM: 7042/3: mach-ep93xx: break out GPIO driver specifics ARM: 7101/1: arm/tegra: Replace <mach/gpio.h> with <mach/gpio-tegra.h> ARM: 7094/1: arm/tegra: Move EN_VDD_1V05_GPIO to board-harmony.h ARM: 7083/1: rewrite U300 GPIO to use gpiolib ARM: 7074/1: gpio: davinci: eliminate unused variable warnings ARM: 7063/1: Orion: gpio: add missing include of linux/types.h ARM: 7055/1: arm/tegra: mach/gpio.h: include linux/types.h to fix build ARM: 7054/1: arm/tegra: Delete custom gpio_to_irq, and irq_to_gpio ARM: 7053/1: gpio/tegra: Implement gpio_chip.to_irq ARM: 7052/1: gpio/tegra: Remove use of irq_to_gpio ARM: 7057/1: mach-pnx4008: rename GPIO header ARM: 7056/1: plat-nomadik: kill off <plat/gpio.h> ARM: 7050/1: mach-sa1100: delete irq_to_gpio() function ARM: 7049/1: mach-sa1100: move SA1100 GPIO driver to GPIO subsystem ARM: 7045/1: mach-lpc32xx: break out GPIO driver specifics ARM: 7044/1: mach-lpc32xx: move LPC32XX GPIO driver to GPIO subsystem ARM: 7043/1: mach-ixp2000: rename GPIO header ... Fix up trivial conflicts in arch/arm/mach-u300/Kconfig manually
Diffstat (limited to 'arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h')
-rw-r--r--arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h b/arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h
new file mode 100644
index 000000000000..1816e22a3479
--- /dev/null
+++ b/arch/arm/mach-lpc32xx/include/mach/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 28
+#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 */