u-boot/drivers/pinctrl/nxp/pinctrl-imx.h

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2016 Peng Fan <van.freenix@gmail.com>
*/
#ifndef __DRIVERS_PINCTRL_IMX_H
#define __DRIVERS_PINCTRL_IMX_H
/**
* @base: the address to the controller in virtual memory
* @input_sel_base: the address of the select input in virtual memory.
* @flags: flags specific for each soc
* @mux_mask: Used when SHARE_MUX_CONF_REG flag is added
*/
struct imx_pinctrl_soc_info {
void __iomem *base;
void __iomem *input_sel_base;
unsigned int flags;
unsigned int mux_mask;
};
/**
* @dev: a pointer back to containing device
* @info: the soc info
*/
struct imx_pinctrl_priv {
struct udevice *dev;
struct imx_pinctrl_soc_info *info;
};
extern const struct pinctrl_ops imx_pinctrl_ops;
#define IMX_NO_PAD_CTL 0x80000000 /* no pin config need */
#define IMX_PAD_SION 0x40000000 /* set SION */
/*
* Each pin represented in fsl,pins consists of 5 u32 PIN_FUNC_ID and
* 1 u32 CONFIG, so 24 types in total for each pin.
*/
#define FSL_PIN_SIZE 24
#define SHARE_FSL_PIN_SIZE 20
/* Each pin on imx8qm/qxp consists of 2 u32 PIN_FUNC_ID and 1 u32 CONFIG */
#define SHARE_IMX8_PIN_SIZE 12
#define SHARE_MUX_CONF_REG 0x1
#define ZERO_OFFSET_VALID 0x2
#define CONFIG_IBE_OBE 0x4
#define IMX8_USE_SCU 0x8
#define IOMUXC_CONFIG_SION (0x1 << 4)
int imx_pinctrl_probe(struct udevice *dev, struct imx_pinctrl_soc_info *info);
int imx_pinctrl_remove(struct udevice *dev);
#ifdef CONFIG_PINCTRL_IMX_SCU
int imx_pinctrl_scu_conf_pins(struct imx_pinctrl_soc_info *info,
u32 *pin_data, int npins);
#else
static inline int imx_pinctrl_scu_conf_pins(struct imx_pinctrl_soc_info *info,
u32 *pin_data, int npins)
{
return 0;
}
#endif
#endif /* __DRIVERS_PINCTRL_IMX_H */