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20118ff978
This patch adds a debug interface (if CONFIG_DEBUG_FS is selected) to display the basic configuration and current state of the GPIO pins on the Kendin/Micrel KS8695 processor. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
56 lines
2.2 KiB
C
56 lines
2.2 KiB
C
/*
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* include/asm-arm/arch-ks8695/regs-gpio.h
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*
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* Copyright (C) 2007 Andrew Victor
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*
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* KS8695 - GPIO control registers and bit definitions.
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#ifndef KS8695_GPIO_H
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#define KS8695_GPIO_H
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#define KS8695_GPIO_OFFSET (0xF0000 + 0xE600)
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#define KS8695_GPIO_VA (KS8695_IO_VA + KS8695_GPIO_OFFSET)
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#define KS8695_GPIO_PA (KS8695_IO_PA + KS8695_GPIO_OFFSET)
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#define KS8695_IOPM (0x00) /* I/O Port Mode Register */
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#define KS8695_IOPC (0x04) /* I/O Port Control Register */
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#define KS8695_IOPD (0x08) /* I/O Port Data Register */
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/* Port Mode Register */
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#define IOPM_(x) (1 << (x)) /* Mode for GPIO Pin x */
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/* Port Control Register */
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#define IOPC_IOTIM1EN (1 << 17) /* GPIO Pin for Timer1 Enable */
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#define IOPC_IOTIM0EN (1 << 16) /* GPIO Pin for Timer0 Enable */
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#define IOPC_IOEINT3EN (1 << 15) /* GPIO Pin for External/Soft Interrupt 3 Enable */
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#define IOPC_IOEINT3TM (7 << 12) /* GPIO Pin for External/Soft Interrupt 3 Trigger Mode */
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#define IOPC_IOEINT3_MODE(x) ((x) << 12)
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#define IOPC_IOEINT2EN (1 << 11) /* GPIO Pin for External/Soft Interrupt 2 Enable */
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#define IOPC_IOEINT2TM (7 << 8) /* GPIO Pin for External/Soft Interrupt 2 Trigger Mode */
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#define IOPC_IOEINT2_MODE(x) ((x) << 8)
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#define IOPC_IOEINT1EN (1 << 7) /* GPIO Pin for External/Soft Interrupt 1 Enable */
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#define IOPC_IOEINT1TM (7 << 4) /* GPIO Pin for External/Soft Interrupt 1 Trigger Mode */
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#define IOPC_IOEINT1_MODE(x) ((x) << 4)
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#define IOPC_IOEINT0EN (1 << 3) /* GPIO Pin for External/Soft Interrupt 0 Enable */
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#define IOPC_IOEINT0TM (7 << 0) /* GPIO Pin for External/Soft Interrupt 0 Trigger Mode */
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#define IOPC_IOEINT0_MODE(x) ((x) << 0)
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/* Trigger Modes */
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#define IOPC_TM_LOW (0) /* Level Detection (Active Low) */
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#define IOPC_TM_HIGH (1) /* Level Detection (Active High) */
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#define IOPC_TM_RISING (2) /* Rising Edge Detection */
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#define IOPC_TM_FALLING (4) /* Falling Edge Detection */
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#define IOPC_TM_EDGE (6) /* Both Edge Detection */
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/* Port Data Register */
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#define IOPD_(x) (1 << (x)) /* Signal Level of GPIO Pin x */
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#endif
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