cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pinctrl-mxs.h (1708B)

      1/* SPDX-License-Identifier: GPL-2.0+ */
      2/*
      3 * Copyright 2012 Freescale Semiconductor, Inc.
      4 */
      5
      6#ifndef __PINCTRL_MXS_H
      7#define __PINCTRL_MXS_H
      8
      9#include <linux/platform_device.h>
     10#include <linux/pinctrl/pinctrl.h>
     11
     12#define SET	0x4
     13#define CLR	0x8
     14#define TOG	0xc
     15
     16#define MXS_PINCTRL_PIN(pin)	PINCTRL_PIN(pin, #pin)
     17#define PINID(bank, pin)	((bank) * 32 + (pin))
     18
     19/*
     20 * pinmux-id bit field definitions
     21 *
     22 * bank:	15..12	(4)
     23 * pin:		11..4	(8)
     24 * muxsel:	3..0	(4)
     25 */
     26#define MUXID_TO_PINID(m)	PINID((m) >> 12 & 0xf, (m) >> 4 & 0xff)
     27#define MUXID_TO_MUXSEL(m)	((m) & 0xf)
     28
     29#define PINID_TO_BANK(p)	((p) >> 5)
     30#define PINID_TO_PIN(p)		((p) % 32)
     31
     32/*
     33 * pin config bit field definitions
     34 *
     35 * pull-up:	6..5	(2)
     36 * voltage:	4..3	(2)
     37 * mA:		2..0	(3)
     38 *
     39 * MSB of each field is presence bit for the config.
     40 */
     41#define PULL_PRESENT		(1 << 6)
     42#define PULL_SHIFT		5
     43#define VOL_PRESENT		(1 << 4)
     44#define VOL_SHIFT		3
     45#define MA_PRESENT		(1 << 2)
     46#define MA_SHIFT		0
     47#define CONFIG_TO_PULL(c)	((c) >> PULL_SHIFT & 0x1)
     48#define CONFIG_TO_VOL(c)	((c) >> VOL_SHIFT & 0x1)
     49#define CONFIG_TO_MA(c)		((c) >> MA_SHIFT & 0x3)
     50
     51struct mxs_function {
     52	const char *name;
     53	const char **groups;
     54	unsigned ngroups;
     55};
     56
     57struct mxs_group {
     58	const char *name;
     59	unsigned int *pins;
     60	unsigned npins;
     61	u8 *muxsel;
     62	u8 config;
     63};
     64
     65struct mxs_regs {
     66	u16 muxsel;
     67	u16 drive;
     68	u16 pull;
     69};
     70
     71struct mxs_pinctrl_soc_data {
     72	const struct mxs_regs *regs;
     73	const struct pinctrl_pin_desc *pins;
     74	unsigned npins;
     75	struct mxs_function *functions;
     76	unsigned nfunctions;
     77	struct mxs_group *groups;
     78	unsigned ngroups;
     79};
     80
     81int mxs_pinctrl_probe(struct platform_device *pdev,
     82		      struct mxs_pinctrl_soc_data *soc);
     83
     84#endif /* __PINCTRL_MXS_H */