diff options
Diffstat (limited to 'arch/arm/mach-mxs/include/mach/iomux.h')
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/iomux.h | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/arch/arm/mach-mxs/include/mach/iomux.h b/arch/arm/mach-mxs/include/mach/iomux.h deleted file mode 100644 index 7abdf58b8bb..00000000000 --- a/arch/arm/mach-mxs/include/mach/iomux.h +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Copyright (C) 2009 by Jan Weitzel Phytec Messtechnik GmbH, - * <armlinux@phytec.de> - * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved. - * - * 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 __MACH_MXS_IOMUX_H__ -#define __MACH_MXS_IOMUX_H__ - -/* - * IOMUX/PAD Bit field definitions - * - * PAD_BANK: 0..2 (3) - * PAD_PIN: 3..7 (5) - * PAD_MUXSEL: 8..9 (2) - * PAD_MA: 10..11 (2) - * PAD_MA_VALID: 12 (1) - * PAD_VOL: 13 (1) - * PAD_VOL_VALID: 14 (1) - * PAD_PULL: 15 (1) - * PAD_PULL_VALID: 16 (1) - * RESERVED: 17..31 (15) - */ -typedef u32 iomux_cfg_t; - -#define MXS_PAD_BANK_SHIFT 0 -#define MXS_PAD_BANK_MASK ((iomux_cfg_t)0x7 << MXS_PAD_BANK_SHIFT) -#define MXS_PAD_PIN_SHIFT 3 -#define MXS_PAD_PIN_MASK ((iomux_cfg_t)0x1f << MXS_PAD_PIN_SHIFT) -#define MXS_PAD_MUXSEL_SHIFT 8 -#define MXS_PAD_MUXSEL_MASK ((iomux_cfg_t)0x3 << MXS_PAD_MUXSEL_SHIFT) -#define MXS_PAD_MA_SHIFT 10 -#define MXS_PAD_MA_MASK ((iomux_cfg_t)0x3 << MXS_PAD_MA_SHIFT) -#define MXS_PAD_MA_VALID_SHIFT 12 -#define MXS_PAD_MA_VALID_MASK ((iomux_cfg_t)0x1 << MXS_PAD_MA_VALID_SHIFT) -#define MXS_PAD_VOL_SHIFT 13 -#define MXS_PAD_VOL_MASK ((iomux_cfg_t)0x1 << MXS_PAD_VOL_SHIFT) -#define MXS_PAD_VOL_VALID_SHIFT 14 -#define MXS_PAD_VOL_VALID_MASK ((iomux_cfg_t)0x1 << MXS_PAD_VOL_VALID_SHIFT) -#define MXS_PAD_PULL_SHIFT 15 -#define MXS_PAD_PULL_MASK ((iomux_cfg_t)0x1 << MXS_PAD_PULL_SHIFT) -#define MXS_PAD_PULL_VALID_SHIFT 16 -#define MXS_PAD_PULL_VALID_MASK ((iomux_cfg_t)0x1 << MXS_PAD_PULL_VALID_SHIFT) - -#define PAD_MUXSEL_0 0 -#define PAD_MUXSEL_1 1 -#define PAD_MUXSEL_2 2 -#define PAD_MUXSEL_GPIO 3 - -#define PAD_4MA 0 -#define PAD_8MA 1 -#define PAD_12MA 2 -#define PAD_16MA 3 - -#define PAD_1V8 0 -#define PAD_3V3 1 - -#define PAD_NOPULL 0 -#define PAD_PULLUP 1 - -#define MXS_PAD_4MA ((PAD_4MA << MXS_PAD_MA_SHIFT) | \ - MXS_PAD_MA_VALID_MASK) -#define MXS_PAD_8MA ((PAD_8MA << MXS_PAD_MA_SHIFT) | \ - MXS_PAD_MA_VALID_MASK) -#define MXS_PAD_12MA ((PAD_12MA << MXS_PAD_MA_SHIFT) | \ - MXS_PAD_MA_VALID_MASK) -#define MXS_PAD_16MA ((PAD_16MA << MXS_PAD_MA_SHIFT) | \ - MXS_PAD_MA_VALID_MASK) - -#define MXS_PAD_1V8 ((PAD_1V8 << MXS_PAD_VOL_SHIFT) | \ - MXS_PAD_VOL_VALID_MASK) -#define MXS_PAD_3V3 ((PAD_3V3 << MXS_PAD_VOL_SHIFT) | \ - MXS_PAD_VOL_VALID_MASK) - -#define MXS_PAD_NOPULL ((PAD_NOPULL << MXS_PAD_PULL_SHIFT) | \ - MXS_PAD_PULL_VALID_MASK) -#define MXS_PAD_PULLUP ((PAD_PULLUP << MXS_PAD_PULL_SHIFT) | \ - MXS_PAD_PULL_VALID_MASK) - -/* generic pad control used in most cases */ -#define MXS_PAD_CTRL (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL) - -#define MXS_IOMUX_PAD(_bank, _pin, _muxsel, _ma, _vol, _pull) \ - (((iomux_cfg_t)(_bank) << MXS_PAD_BANK_SHIFT) | \ - ((iomux_cfg_t)(_pin) << MXS_PAD_PIN_SHIFT) | \ - ((iomux_cfg_t)(_muxsel) << MXS_PAD_MUXSEL_SHIFT) | \ - ((iomux_cfg_t)(_ma) << MXS_PAD_MA_SHIFT) | \ - ((iomux_cfg_t)(_vol) << MXS_PAD_VOL_SHIFT) | \ - ((iomux_cfg_t)(_pull) << MXS_PAD_PULL_SHIFT)) - -/* - * A pad becomes naked, when none of mA, vol or pull - * validity bits is set. - */ -#define MXS_IOMUX_PAD_NAKED(_bank, _pin, _muxsel) \ - MXS_IOMUX_PAD(_bank, _pin, _muxsel, 0, 0, 0) - -static inline unsigned int PAD_BANK(iomux_cfg_t pad) -{ - return (pad & MXS_PAD_BANK_MASK) >> MXS_PAD_BANK_SHIFT; -} - -static inline unsigned int PAD_PIN(iomux_cfg_t pad) -{ - return (pad & MXS_PAD_PIN_MASK) >> MXS_PAD_PIN_SHIFT; -} - -static inline unsigned int PAD_MUXSEL(iomux_cfg_t pad) -{ - return (pad & MXS_PAD_MUXSEL_MASK) >> MXS_PAD_MUXSEL_SHIFT; -} - -static inline unsigned int PAD_MA(iomux_cfg_t pad) -{ - return (pad & MXS_PAD_MA_MASK) >> MXS_PAD_MA_SHIFT; -} - -static inline unsigned int PAD_MA_VALID(iomux_cfg_t pad) -{ - return (pad & MXS_PAD_MA_VALID_MASK) >> MXS_PAD_MA_VALID_SHIFT; -} - -static inline unsigned int PAD_VOL(iomux_cfg_t pad) -{ - return (pad & MXS_PAD_VOL_MASK) >> MXS_PAD_VOL_SHIFT; -} - -static inline unsigned int PAD_VOL_VALID(iomux_cfg_t pad) -{ - return (pad & MXS_PAD_VOL_VALID_MASK) >> MXS_PAD_VOL_VALID_SHIFT; -} - -static inline unsigned int PAD_PULL(iomux_cfg_t pad) -{ - return (pad & MXS_PAD_PULL_MASK) >> MXS_PAD_PULL_SHIFT; -} - -static inline unsigned int PAD_PULL_VALID(iomux_cfg_t pad) -{ - return (pad & MXS_PAD_PULL_VALID_MASK) >> MXS_PAD_PULL_VALID_SHIFT; -} - -/* - * configures a single pad in the iomuxer - */ -int mxs_iomux_setup_pad(iomux_cfg_t pad); - -/* - * configures multiple pads - * convenient way to call the above function with tables - */ -int mxs_iomux_setup_multiple_pads(const iomux_cfg_t *pad_list, unsigned count); - -#endif /* __MACH_MXS_IOMUX_H__*/ |