1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2016 Peng Fan <van.freenix@gmail.com> 4 */ 5 6 #ifndef __DRIVERS_PINCTRL_IMX_H 7 #define __DRIVERS_PINCTRL_IMX_H 8 9 /** 10 * @base: the address to the controller in virtual memory 11 * @input_sel_base: the address of the select input in virtual memory. 12 * @flags: flags specific for each soc 13 * @mux_mask: Used when SHARE_MUX_CONF_REG flag is added 14 */ 15 struct imx_pinctrl_soc_info { 16 void __iomem *base; 17 void __iomem *input_sel_base; 18 unsigned int flags; 19 unsigned int mux_mask; 20 }; 21 22 /** 23 * @dev: a pointer back to containing device 24 * @info: the soc info 25 */ 26 struct imx_pinctrl_priv { 27 struct udevice *dev; 28 struct imx_pinctrl_soc_info *info; 29 }; 30 31 extern const struct pinctrl_ops imx_pinctrl_ops; 32 33 #define IMX_NO_PAD_CTL 0x80000000 /* no pin config need */ 34 #define IMX_PAD_SION 0x40000000 /* set SION */ 35 36 /* 37 * Each pin represented in fsl,pins consists of 5 u32 PIN_FUNC_ID and 38 * 1 u32 CONFIG, so 24 types in total for each pin. 39 */ 40 #define FSL_PIN_SIZE 24 41 #define SHARE_FSL_PIN_SIZE 20 42 43 /* Each pin on imx8qm/qxp consists of 2 u32 PIN_FUNC_ID and 1 u32 CONFIG */ 44 #define SHARE_IMX8_PIN_SIZE 12 45 46 #define SHARE_MUX_CONF_REG 0x1 47 #define ZERO_OFFSET_VALID 0x2 48 #define CONFIG_IBE_OBE 0x4 49 #define IMX8_USE_SCU 0x8 50 51 #define IOMUXC_CONFIG_SION (0x1 << 4) 52 53 int imx_pinctrl_probe(struct udevice *dev, struct imx_pinctrl_soc_info *info); 54 55 int imx_pinctrl_remove(struct udevice *dev); 56 57 #ifdef CONFIG_PINCTRL_IMX_SCU 58 int imx_pinctrl_scu_conf_pins(struct imx_pinctrl_soc_info *info, 59 u32 *pin_data, int npins); 60 #else 61 static inline int imx_pinctrl_scu_conf_pins(struct imx_pinctrl_soc_info *info, 62 u32 *pin_data, int npins) 63 { 64 return 0; 65 } 66 #endif 67 68 #endif /* __DRIVERS_PINCTRL_IMX_H */ 69