1 /*
2  * Copyright (C) 2016 Peng Fan <van.freenix@gmail.com>
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #ifndef __DRIVERS_PINCTRL_IMX_H
8 #define __DRIVERS_PINCTRL_IMX_H
9 
10 /**
11  * @base: the address to the controller in virtual memory
12  * @input_sel_base: the address of the select input in virtual memory.
13  * @flags: flags specific for each soc
14  */
15 struct imx_pinctrl_soc_info {
16 	void __iomem *base;
17 	void __iomem *input_sel_base;
18 	unsigned int flags;
19 };
20 
21 /**
22  * @dev: a pointer back to containing device
23  * @info: the soc info
24  */
25 struct imx_pinctrl_priv {
26 	struct udevice *dev;
27 	struct imx_pinctrl_soc_info *info;
28 };
29 
30 extern const struct pinctrl_ops imx_pinctrl_ops;
31 
32 #define IMX_NO_PAD_CTL	0x80000000	/* no pin config need */
33 #define IMX_PAD_SION	0x40000000	/* set SION */
34 
35 /*
36  * Each pin represented in fsl,pins consists of 5 u32 PIN_FUNC_ID and
37  * 1 u32 CONFIG, so 24 types in total for each pin.
38  */
39 #define FSL_PIN_SIZE		24
40 #define SHARE_FSL_PIN_SIZE	20
41 
42 #define SHARE_MUX_CONF_REG	0x1
43 #define ZERO_OFFSET_VALID	0x2
44 
45 #define IOMUXC_CONFIG_SION	(0x1 << 4)
46 
47 int imx_pinctrl_probe(struct udevice *dev, struct imx_pinctrl_soc_info *info);
48 
49 int imx_pinctrl_remove(struct udevice *dev);
50 #endif /* __DRIVERS_PINCTRL_IMX_H */
51