| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * Table of the Omap register configurations for the FUNC_MUX and |
| * PULL_DWN combinations. |
| * |
| * Copyright (C) 2004 - 2008 Texas Instruments Inc. |
| * Copyright (C) 2003 - 2008 Nokia Corporation |
| * |
| * Written by Tony Lindgren |
| * |
| * NOTE: Please use the following naming style for new pin entries. |
| * For example, W8_1610_MMC2_DAT0, where: |
| * - W8 = ball |
| * - 1610 = 1510 or 1610, none if common for both 1510 and 1610 |
| * - MMC2_DAT0 = function |
| */ |
| |
| #ifndef __ASM_ARCH_MUX_H |
| #define __ASM_ARCH_MUX_H |
| |
| #include <linux/soc/ti/omap1-mux.h> |
| |
| #define PU_PD_SEL_NA 0 /* No pu_pd reg available */ |
| #define PULL_DWN_CTRL_NA 0 /* No pull-down control needed */ |
| |
| #ifdef CONFIG_OMAP_MUX_DEBUG |
| #define MUX_REG(reg, mode_offset, mode) .mux_reg_name = "FUNC_MUX_CTRL_"#reg, \ |
| .mux_reg = FUNC_MUX_CTRL_##reg, \ |
| .mask_offset = mode_offset, \ |
| .mask = mode, |
| |
| #define PULL_REG(reg, bit, status) .pull_name = "PULL_DWN_CTRL_"#reg, \ |
| .pull_reg = PULL_DWN_CTRL_##reg, \ |
| .pull_bit = bit, \ |
| .pull_val = status, |
| |
| #define PU_PD_REG(reg, status) .pu_pd_name = "PU_PD_SEL_"#reg, \ |
| .pu_pd_reg = PU_PD_SEL_##reg, \ |
| .pu_pd_val = status, |
| |
| #define MUX_REG_7XX(reg, mode_offset, mode) .mux_reg_name = "OMAP7XX_IO_CONF_"#reg, \ |
| .mux_reg = OMAP7XX_IO_CONF_##reg, \ |
| .mask_offset = mode_offset, \ |
| .mask = mode, |
| |
| #define PULL_REG_7XX(reg, bit, status) .pull_name = "OMAP7XX_IO_CONF_"#reg, \ |
| .pull_reg = OMAP7XX_IO_CONF_##reg, \ |
| .pull_bit = bit, \ |
| .pull_val = status, |
| |
| #else |
| |
| #define MUX_REG(reg, mode_offset, mode) .mux_reg = FUNC_MUX_CTRL_##reg, \ |
| .mask_offset = mode_offset, \ |
| .mask = mode, |
| |
| #define PULL_REG(reg, bit, status) .pull_reg = PULL_DWN_CTRL_##reg, \ |
| .pull_bit = bit, \ |
| .pull_val = status, |
| |
| #define PU_PD_REG(reg, status) .pu_pd_reg = PU_PD_SEL_##reg, \ |
| .pu_pd_val = status, |
| |
| #define MUX_REG_7XX(reg, mode_offset, mode) \ |
| .mux_reg = OMAP7XX_IO_CONF_##reg, \ |
| .mask_offset = mode_offset, \ |
| .mask = mode, |
| |
| #define PULL_REG_7XX(reg, bit, status) .pull_reg = OMAP7XX_IO_CONF_##reg, \ |
| .pull_bit = bit, \ |
| .pull_val = status, |
| |
| #endif /* CONFIG_OMAP_MUX_DEBUG */ |
| |
| #define MUX_CFG(desc, mux_reg, mode_offset, mode, \ |
| pull_reg, pull_bit, pull_status, \ |
| pu_pd_reg, pu_pd_status, debug_status) \ |
| { \ |
| .name = desc, \ |
| .debug = debug_status, \ |
| MUX_REG(mux_reg, mode_offset, mode) \ |
| PULL_REG(pull_reg, pull_bit, pull_status) \ |
| PU_PD_REG(pu_pd_reg, pu_pd_status) \ |
| }, |
| |
| |
| /* |
| * OMAP730/850 has a slightly different config for the pin mux. |
| * - config regs are the OMAP7XX_IO_CONF_x regs (see omap7xx.h) regs and |
| * not the FUNC_MUX_CTRL_x regs from hardware.h |
| * - for pull-up/down, only has one enable bit which is in the same register |
| * as mux config |
| */ |
| #define MUX_CFG_7XX(desc, mux_reg, mode_offset, mode, \ |
| pull_bit, pull_status, debug_status)\ |
| { \ |
| .name = desc, \ |
| .debug = debug_status, \ |
| MUX_REG_7XX(mux_reg, mode_offset, mode) \ |
| PULL_REG_7XX(mux_reg, pull_bit, pull_status) \ |
| PU_PD_REG(NA, 0) \ |
| }, |
| |
| struct pin_config { |
| char *name; |
| const unsigned int mux_reg; |
| unsigned char debug; |
| |
| const unsigned char mask_offset; |
| const unsigned char mask; |
| |
| const char *pull_name; |
| const unsigned int pull_reg; |
| const unsigned char pull_val; |
| const unsigned char pull_bit; |
| |
| const char *pu_pd_name; |
| const unsigned int pu_pd_reg; |
| const unsigned char pu_pd_val; |
| |
| #if defined(CONFIG_OMAP_MUX_DEBUG) || defined(CONFIG_OMAP_MUX_WARNINGS) |
| const char *mux_reg_name; |
| #endif |
| |
| }; |
| |
| struct omap_mux_cfg { |
| struct pin_config *pins; |
| unsigned long size; |
| int (*cfg_reg)(const struct pin_config *cfg); |
| }; |
| |
| #ifdef CONFIG_OMAP_MUX |
| /* setup pin muxing in Linux */ |
| extern int omap1_mux_init(void); |
| extern int omap_mux_register(struct omap_mux_cfg *); |
| #else |
| /* boot loader does it all (no warnings from CONFIG_OMAP_MUX_WARNINGS) */ |
| static inline int omap1_mux_init(void) { return 0; } |
| #endif |
| |
| extern int omap2_mux_init(void); |
| |
| #endif |