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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Qualcomm common pin control data.
*
* Copyright (C) 2023 Linaro Ltd.
*/
#ifndef _QCOM_GPIO_H_
#define _QCOM_GPIO_H_
#include <asm/types.h>
#include <stdbool.h>
struct msm_special_pin_data {
char *name;
u32 ctl_reg;
u32 io_reg;
unsigned pull_bit:5;
unsigned drv_bit:5;
unsigned oe_bit:5;
unsigned in_bit:5;
unsigned out_bit:5;
};
struct msm_pin_data {
int pin_count;
const unsigned int *pin_offsets;
unsigned int special_pins_start;
const struct msm_special_pin_data *special_pins_data;
};
static inline u32 qcom_pin_offset(const unsigned int *offs, unsigned int selector)
{
u32 out = (selector * 0x1000);
if (offs)
return out + offs[selector];
return out;
}
static inline bool qcom_is_special_pin(const struct msm_pin_data *pindata, unsigned int pin)
{
return pindata->special_pins_start && pin >= pindata->special_pins_start;
}
struct udevice;
/**
* msm_pinctrl_is_reserved() - Check if a pin lies in a reserved range
*
* @dev: pinctrl device
* @pin: Pin number
*
* Returns: true if pin is reserved, otherwise false
*
* Call using dev_get_parent() from the GPIO device, it is a child of
* the pinctrl device.
*/
bool msm_pinctrl_is_reserved(struct udevice *dev, unsigned int pin);
#endif /* _QCOM_GPIO_H_ */
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