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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-29 00:03:14 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-29 00:03:14 +0300 |
commit | 0fe41b8982001cd14ee2c77cd776735a5024e98b (patch) | |
tree | 83e65d595c413d55259ea14fb97748ce5efe5707 /arch/arm/plat-mxc/include/mach/iomux.h | |
parent | eedf2c5296a8dfaaf9aec1a938c1d3bd73159a30 (diff) | |
parent | 9759d22c8348343b0da4e25d6150c41712686c14 (diff) | |
download | linux-0fe41b8982001cd14ee2c77cd776735a5024e98b.tar.xz |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (422 commits)
[ARM] 5435/1: fix compile warning in sanity_check_meminfo()
[ARM] 5434/1: ARM: OMAP: Fix mailbox compile for 24xx
[ARM] pxa: fix the bad assumption that PCMCIA sockets always start with 0
[ARM] pxa: fix Colibri PXA300 and PXA320 LCD backlight pins
imxfb: Fix TFT mode
i.MX21/27: remove ifdef CONFIG_FB_IMX
imxfb: add clock support
mxc: add arch_reset() function
clkdev: add possibility to get a clock based on the device name
i.MX1: remove fb support from mach-imx
[ARM] pxa: build arch/arm/plat-pxa/mfp.c only when PXA3xx or ARCH_MMP defined
Gemini: Add support for Teltonika RUT100
Gemini: gpiolib based GPIO support v2
MAINTAINERS: add myself as Gemini architecture maintainer
ARM: Add Gemini architecture v3
[ARM] OMAP: Fix compile for omap2_init_common_hw()
MAINTAINERS: Add myself as Faraday ARM core variant maintainer
ARM: Add support for FA526 v2
[ARM] acorn,ebsa110,footbridge,integrator,sa1100: Convert asm/io.h to linux/io.h
[ARM] collie: fix two minor formatting nits
...
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/iomux.h')
-rw-r--r-- | arch/arm/plat-mxc/include/mach/iomux.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/iomux.h b/arch/arm/plat-mxc/include/mach/iomux.h new file mode 100644 index 000000000000..171f8adc1109 --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/iomux.h @@ -0,0 +1,127 @@ +/* +* Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de> +* Copyright (C) 2009 by Holger Schurig <hs4233@mail.mn-solutions.de> +* +* 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. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, +* MA 02110-1301, USA. +*/ + +#ifndef _MXC_IOMUX_H +#define _MXC_IOMUX_H + +/* +* GPIO Module and I/O Multiplexer +* x = 0..3 for reg_A, reg_B, reg_C, reg_D +*/ +#define VA_GPIO_BASE IO_ADDRESS(GPIO_BASE_ADDR) +#define MXC_DDIR(x) (0x00 + ((x) << 8)) +#define MXC_OCR1(x) (0x04 + ((x) << 8)) +#define MXC_OCR2(x) (0x08 + ((x) << 8)) +#define MXC_ICONFA1(x) (0x0c + ((x) << 8)) +#define MXC_ICONFA2(x) (0x10 + ((x) << 8)) +#define MXC_ICONFB1(x) (0x14 + ((x) << 8)) +#define MXC_ICONFB2(x) (0x18 + ((x) << 8)) +#define MXC_DR(x) (0x1c + ((x) << 8)) +#define MXC_GIUS(x) (0x20 + ((x) << 8)) +#define MXC_SSR(x) (0x24 + ((x) << 8)) +#define MXC_ICR1(x) (0x28 + ((x) << 8)) +#define MXC_ICR2(x) (0x2c + ((x) << 8)) +#define MXC_IMR(x) (0x30 + ((x) << 8)) +#define MXC_ISR(x) (0x34 + ((x) << 8)) +#define MXC_GPR(x) (0x38 + ((x) << 8)) +#define MXC_SWR(x) (0x3c + ((x) << 8)) +#define MXC_PUEN(x) (0x40 + ((x) << 8)) + +#ifdef CONFIG_ARCH_MX1 +# define GPIO_PORT_MAX 3 +#endif +#ifdef CONFIG_ARCH_MX2 +# define GPIO_PORT_MAX 5 +#endif + +#ifndef GPIO_PORT_MAX +# error "GPIO config port count unknown!" +#endif + +#define GPIO_PIN_MASK 0x1f + +#define GPIO_PORT_SHIFT 5 +#define GPIO_PORT_MASK (0x7 << GPIO_PORT_SHIFT) + +#define GPIO_PORTA (0 << GPIO_PORT_SHIFT) +#define GPIO_PORTB (1 << GPIO_PORT_SHIFT) +#define GPIO_PORTC (2 << GPIO_PORT_SHIFT) +#define GPIO_PORTD (3 << GPIO_PORT_SHIFT) +#define GPIO_PORTE (4 << GPIO_PORT_SHIFT) +#define GPIO_PORTF (5 << GPIO_PORT_SHIFT) + +#define GPIO_OUT (1 << 8) +#define GPIO_IN (0 << 8) +#define GPIO_PUEN (1 << 9) + +#define GPIO_PF (1 << 10) +#define GPIO_AF (1 << 11) + +#define GPIO_OCR_SHIFT 12 +#define GPIO_OCR_MASK (3 << GPIO_OCR_SHIFT) +#define GPIO_AIN (0 << GPIO_OCR_SHIFT) +#define GPIO_BIN (1 << GPIO_OCR_SHIFT) +#define GPIO_CIN (2 << GPIO_OCR_SHIFT) +#define GPIO_GPIO (3 << GPIO_OCR_SHIFT) + +#define GPIO_AOUT_SHIFT 14 +#define GPIO_AOUT_MASK (3 << GPIO_AOUT_SHIFT) +#define GPIO_AOUT (0 << GPIO_AOUT_SHIFT) +#define GPIO_AOUT_ISR (1 << GPIO_AOUT_SHIFT) +#define GPIO_AOUT_0 (2 << GPIO_AOUT_SHIFT) +#define GPIO_AOUT_1 (3 << GPIO_AOUT_SHIFT) + +#define GPIO_BOUT_SHIFT 16 +#define GPIO_BOUT_MASK (3 << GPIO_BOUT_SHIFT) +#define GPIO_BOUT (0 << GPIO_BOUT_SHIFT) +#define GPIO_BOUT_ISR (1 << GPIO_BOUT_SHIFT) +#define GPIO_BOUT_0 (2 << GPIO_BOUT_SHIFT) +#define GPIO_BOUT_1 (3 << GPIO_BOUT_SHIFT) + + +#ifdef CONFIG_ARCH_MX1 +#include <mach/iomux-mx1.h> +#endif +#ifdef CONFIG_ARCH_MX2 +#include <mach/iomux-mx2x.h> +#ifdef CONFIG_MACH_MX21 +#include <mach/iomux-mx21.h> +#endif +#ifdef CONFIG_MACH_MX27 +#include <mach/iomux-mx27.h> +#endif +#endif + + +/* decode irq number to use with IMR(x), ISR(x) and friends */ +#define IRQ_TO_REG(irq) ((irq - MXC_INTERNAL_IRQS) >> 5) + +#define IRQ_GPIOA(x) (MXC_GPIO_IRQ_START + x) +#define IRQ_GPIOB(x) (IRQ_GPIOA(32) + x) +#define IRQ_GPIOC(x) (IRQ_GPIOB(32) + x) +#define IRQ_GPIOD(x) (IRQ_GPIOC(32) + x) +#define IRQ_GPIOE(x) (IRQ_GPIOD(32) + x) + + +extern void mxc_gpio_mode(int gpio_mode); +extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count, + const char *label); +extern void mxc_gpio_release_multiple_pins(const int *pin_list, int count); + +#endif |