drivers/pinctrl/nxp/pinctrl-imx.h

   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 */