| /* |
| * Based on Linux i.MX iomux-v3.h file: |
| * Copyright (C) 2009 by Jan Weitzel Phytec Messtechnik GmbH, |
| * <armlinux@phytec.de> |
| * |
| * Copyright (C) 2011 Freescale Semiconductor, Inc. |
| * |
| * 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 SOC_PAD_<padname>__<padmode> |
| * If <padname> or <padmode> refers to a GPIO, it is named GPIO_<unit>_<num> |
| * |
| * IOMUX/PAD Bit field definitions |
| * |
| * MUX_CTRL_OFS: 0..11 (12) |
| * PAD_CTRL_OFS: 12..23 (12) |
| * SEL_INPUT_OFS: 24..35 (12) |
| * MUX_MODE + SION: 36..40 (5) |
| * PAD_CTRL + NO_PAD_CTRL: 41..58 (18) |
| * SEL_INP: 59..62 (4) |
| * reserved: 63 (1) |
| */ |
| |
| typedef u64 iomux_v3_cfg_t; |
| |
| #define MUX_CTRL_OFS_SHIFT 0 |
| #define MUX_CTRL_OFS_MASK ((iomux_v3_cfg_t)0xfff << MUX_CTRL_OFS_SHIFT) |
| #define MUX_PAD_CTRL_OFS_SHIFT 12 |
| #define MUX_PAD_CTRL_OFS_MASK ((iomux_v3_cfg_t)0xfff << \ |
| MUX_PAD_CTRL_OFS_SHIFT) |
| #define MUX_SEL_INPUT_OFS_SHIFT 24 |
| #define MUX_SEL_INPUT_OFS_MASK ((iomux_v3_cfg_t)0xfff << \ |
| MUX_SEL_INPUT_OFS_SHIFT) |
| |
| #define MUX_MODE_SHIFT 36 |
| #define MUX_MODE_MASK ((iomux_v3_cfg_t)0x1f << MUX_MODE_SHIFT) |
| #define MUX_PAD_CTRL_SHIFT 41 |
| #define MUX_PAD_CTRL_MASK ((iomux_v3_cfg_t)0x3ffff << MUX_PAD_CTRL_SHIFT) |
| #define MUX_SEL_INPUT_SHIFT 59 |
| #define MUX_SEL_INPUT_MASK ((iomux_v3_cfg_t)0xf << MUX_SEL_INPUT_SHIFT) |
| |
| #define MUX_PAD_CTRL(x) ((iomux_v3_cfg_t)(x) << MUX_PAD_CTRL_SHIFT) |
| |
| #define IOMUX_PAD(pad_ctrl_ofs, mux_ctrl_ofs, mux_mode, sel_input_ofs, \ |
| sel_input, pad_ctrl) \ |
| (((iomux_v3_cfg_t)(mux_ctrl_ofs) << MUX_CTRL_OFS_SHIFT) | \ |
| ((iomux_v3_cfg_t)(mux_mode) << MUX_MODE_SHIFT) | \ |
| ((iomux_v3_cfg_t)(pad_ctrl_ofs) << MUX_PAD_CTRL_OFS_SHIFT) | \ |
| ((iomux_v3_cfg_t)(pad_ctrl) << MUX_PAD_CTRL_SHIFT) | \ |
| ((iomux_v3_cfg_t)(sel_input_ofs) << MUX_SEL_INPUT_OFS_SHIFT)| \ |
| ((iomux_v3_cfg_t)(sel_input) << MUX_SEL_INPUT_SHIFT)) |
| |
| #define NO_PAD_CTRL (1 << 17) |
| #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 MUX_CONFIG_SION (0x1 << 4) |
| |
| int imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad); |
| int imx_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t *pad_list, unsigned count); |
| |
| #endif /* __MACH_IOMUX_V3_H__*/ |