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