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Diffstat (limited to 'include/asm-arm/arch-imx/iomux-v3.h')
| -rw-r--r-- | include/asm-arm/arch-imx/iomux-v3.h | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/include/asm-arm/arch-imx/iomux-v3.h b/include/asm-arm/arch-imx/iomux-v3.h deleted file mode 100644 index 8b2f1ae7f9..0000000000 --- a/include/asm-arm/arch-imx/iomux-v3.h +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Copyright (C) 2009 by Jan Weitzel Phytec Messtechnik GmbH, - * <armlinux@phytec.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 __MACH_IOMUX_V3_H__ -#define __MACH_IOMUX_V3_H__ - -/* - * build IOMUX_PAD structure - * - * This iomux scheme is based around pads, which are the physical balls - * on the processor. - * - * - Each pad has a pad control register (IOMUXC_SW_PAD_CTRL_x) which controls - * things like driving strength and pullup/pulldown. - * - Each pad can have but not necessarily does have an output routing register - * (IOMUXC_SW_MUX_CTL_PAD_x). - * - Each pad can have but not necessarily does have an input routing register - * (IOMUXC_x_SELECT_INPUT) - * - * The three register sets do not have a fixed offset to each other, - * hence we order this table by pad control registers (which all pads - * have) and put the optional i/o routing registers into additional - * fields. - * - * The naming convention for the pad modes is MX35_PAD_<padname>__<padmode> - * If <padname> or <padmode> refers to a GPIO, it is named - * GPIO_<unit>_<num> - * - */ - -struct pad_desc { - unsigned mux_ctrl_ofs:12; /* IOMUXC_SW_MUX_CTL_PAD offset */ - unsigned mux_mode:8; - unsigned pad_ctrl_ofs:12; /* IOMUXC_SW_PAD_CTRL offset */ -#define NO_PAD_CTRL (1 << 16) - unsigned pad_ctrl:17; - unsigned select_input_ofs:12; /* IOMUXC_SELECT_INPUT offset */ - unsigned select_input:3; -}; - -#define IOMUX_PAD(_pad_ctrl_ofs, _mux_ctrl_ofs, _mux_mode, _select_input_ofs, \ - _select_input, _pad_ctrl) \ - { \ - .mux_ctrl_ofs = _mux_ctrl_ofs, \ - .mux_mode = _mux_mode, \ - .pad_ctrl_ofs = _pad_ctrl_ofs, \ - .pad_ctrl = _pad_ctrl, \ - .select_input_ofs = _select_input_ofs, \ - .select_input = _select_input, \ - } - -/* - * Use to set PAD control - */ -#define PAD_CTL_DRIVE_VOLTAGE_3_3_V 0 -#define PAD_CTL_DRIVE_VOLTAGE_1_8_V 1 - -#define PAD_CTL_NO_HYSTERESIS 0 -#define PAD_CTL_HYSTERESIS 1 - -#define PAD_CTL_PULL_DISABLED 0x0 -#define PAD_CTL_PULL_KEEPER 0xa -#define PAD_CTL_PULL_DOWN_100K 0xc -#define PAD_CTL_PULL_UP_47K 0xd -#define PAD_CTL_PULL_UP_100K 0xe -#define PAD_CTL_PULL_UP_22K 0xf - -#define PAD_CTL_OUTPUT_CMOS 0 -#define PAD_CTL_OUTPUT_OPEN_DRAIN 1 - -#define PAD_CTL_DRIVE_STRENGTH_NORM 0 -#define PAD_CTL_DRIVE_STRENGTH_HIGH 1 -#define PAD_CTL_DRIVE_STRENGTH_MAX 2 - -#define PAD_CTL_SLEW_RATE_SLOW 0 -#define PAD_CTL_SLEW_RATE_FAST 1 - -/* - * setups a single pad: - * - reserves the pad so that it is not claimed by another driver - * - setups the iomux according to the configuration - */ -int mxc_iomux_v3_setup_pad(struct pad_desc *pad); - -/* - * setups mutliple pads - * convenient way to call the above function with tables - */ -int mxc_iomux_v3_setup_multiple_pads(struct pad_desc *pad_list, unsigned count); - -#endif /* __MACH_IOMUX_V3_H__*/ |