/* * Copyright 2012 Freescale Semiconductor, Inc. * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License * Version 2 or later at the following locations: * * http://www.opensource.org/licenses/gpl-license.html * http://www.gnu.org/copyleft/gpl.html */ #ifndef __PINCTRL_MXS_H #define __PINCTRL_MXS_H #include <linux/platform_device.h> #include <linux/pinctrl/pinctrl.h> #define SET 0x4 #define CLR 0x8 #define TOG 0xc #define MXS_PINCTRL_PIN(pin) PINCTRL_PIN(pin, #pin) #define PINID(bank, pin) ((bank) * 32 + (pin)) /* * pinmux-id bit field definitions * * bank: 15..12 (4) * pin: 11..4 (8) * muxsel: 3..0 (4) */ #define MUXID_TO_PINID(m) PINID((m) >> 12 & 0xf, (m) >> 4 & 0xff) #define MUXID_TO_MUXSEL(m) ((m) & 0xf) #define PINID_TO_BANK(p) ((p) >> 5) #define PINID_TO_PIN(p) ((p) % 32) /* * pin config bit field definitions * * pull-up: 6..5 (2) * voltage: 4..3 (2) * mA: 2..0 (3) * * MSB of each field is presence bit for the config. */ #define PULL_PRESENT (1 << 6) #define PULL_SHIFT 5 #define VOL_PRESENT (1 << 4) #define VOL_SHIFT 3 #define MA_PRESENT (1 << 2) #define MA_SHIFT 0 #define CONFIG_TO_PULL(c) ((c) >> PULL_SHIFT & 0x1) #define CONFIG_TO_VOL(c) ((c) >> VOL_SHIFT & 0x1) #define CONFIG_TO_MA(c) ((c) >> MA_SHIFT & 0x3) struct mxs_function { const char *name; const char **groups; unsigned ngroups; }; struct mxs_group { const char *name; unsigned int *pins; unsigned npins; u8 *muxsel; u8 config; }; struct mxs_regs { u16 muxsel; u16 drive; u16 pull; }; struct mxs_pinctrl_soc_data { const struct mxs_regs *regs; const struct pinctrl_pin_desc *pins; unsigned npins; struct mxs_function *functions; unsigned nfunctions; struct mxs_group *groups; unsigned ngroups; }; int mxs_pinctrl_probe(struct platform_device *pdev, struct mxs_pinctrl_soc_data *soc); #endif /* __PINCTRL_MXS_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
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