linux/drivers/regulator/stm32-pwr.c

// SPDX-License-Identifier: GPL-2.0
// Copyright (C) STMicroelectronics 2019
// Authors: Gabriel Fernandez <[email protected]>
//          Pascal Paillet <[email protected]>.

#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>

/*
 * Registers description
 */
#define REG_PWR_CR3 …

#define USB_3_3_EN …
#define USB_3_3_RDY …
#define REG_1_8_EN …
#define REG_1_8_RDY …
#define REG_1_1_EN …
#define REG_1_1_RDY …

/* list of supported regulators */
enum { … };

static u32 ready_mask_table[STM32PWR_REG_NUM_REGS] = …;

struct stm32_pwr_reg { … };

static int stm32_pwr_reg_is_ready(struct regulator_dev *rdev)
{ … }

static int stm32_pwr_reg_is_enabled(struct regulator_dev *rdev)
{ … }

static int stm32_pwr_reg_enable(struct regulator_dev *rdev)
{ … }

static int stm32_pwr_reg_disable(struct regulator_dev *rdev)
{ … }

static const struct regulator_ops stm32_pwr_reg_ops = …;

#define PWR_REG(_id, _name, _volt, _en, _supply) … \

static const struct regulator_desc stm32_pwr_desc[] = …;

static int stm32_pwr_regulator_probe(struct platform_device *pdev)
{ … }

static const struct of_device_id __maybe_unused stm32_pwr_of_match[] = …;
MODULE_DEVICE_TABLE(of, stm32_pwr_of_match);

static struct platform_driver stm32_pwr_driver = …;
module_platform_driver(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;