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  * @mux_mask: Used when SHARE_MUX_CONF_REG flag is added
15  */
16 struct imx_pinctrl_soc_info {
17 	void __iomem *base;
18 	void __iomem *input_sel_base;
19 	unsigned int flags;
20 	unsigned int mux_mask;
21 };
22 
23 /**
24  * @dev: a pointer back to containing device
25  * @info: the soc info
26  */
27 struct imx_pinctrl_priv {
28 	struct udevice *dev;
29 	struct imx_pinctrl_soc_info *info;
30 };
31 
32 extern const struct pinctrl_ops imx_pinctrl_ops;
33 
34 #define IMX_NO_PAD_CTL	0x80000000	/* no pin config need */
35 #define IMX_PAD_SION	0x40000000	/* set SION */
36 
37 /*
38  * Each pin represented in fsl,pins consists of 5 u32 PIN_FUNC_ID and
39  * 1 u32 CONFIG, so 24 types in total for each pin.
40  */
41 #define FSL_PIN_SIZE		24
42 #define SHARE_FSL_PIN_SIZE	20
43 
44 #define SHARE_MUX_CONF_REG	0x1
45 #define ZERO_OFFSET_VALID	0x2
46 #define CONFIG_IBE_OBE		0x4
47 
48 #define IOMUXC_CONFIG_SION	(0x1 << 4)
49 
50 int imx_pinctrl_probe(struct udevice *dev, struct imx_pinctrl_soc_info *info);
51 
52 int imx_pinctrl_remove(struct udevice *dev);
53 #endif /* __DRIVERS_PINCTRL_IMX_H */
54