linux/drivers/platform/x86/intel/bytcrc_pwrsrc.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Power-source driver for Bay Trail Crystal Cove PMIC
 *
 * Copyright (c) 2023 Hans de Goede <[email protected]>
 *
 * Based on intel_crystalcove_pwrsrc.c from Android kernel sources, which is:
 * Copyright (C) 2013 Intel Corporation
 */

#include <linux/debugfs.h>
#include <linux/mfd/intel_soc_pmic.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>

#define CRYSTALCOVE_SPWRSRC_REG …
#define CRYSTALCOVE_RESETSRC0_REG …
#define CRYSTALCOVE_RESETSRC1_REG …
#define CRYSTALCOVE_WAKESRC_REG …

struct crc_pwrsrc_data { … };

static const char * const pwrsrc_pwrsrc_info[] = …;

static const char * const pwrsrc_resetsrc0_info[] = …;

static const char * const pwrsrc_resetsrc1_info[] = …;

static const char * const pwrsrc_wakesrc_info[] = …;

static void crc_pwrsrc_log(struct seq_file *seq, const char *prefix,
			   const char * const *info, unsigned int reg_val)
{ … }

static int pwrsrc_show(struct seq_file *seq, void *unused)
{ … }

static int resetsrc_show(struct seq_file *seq, void *unused)
{ … }

static int wakesrc_show(struct seq_file *seq, void *unused)
{ … }

DEFINE_SHOW_ATTRIBUTE(…);
DEFINE_SHOW_ATTRIBUTE(…);
DEFINE_SHOW_ATTRIBUTE(…);

static int crc_pwrsrc_read_and_clear(struct crc_pwrsrc_data *data,
				     unsigned int reg, unsigned int *val)
{ … }

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

static void crc_pwrsrc_remove(struct platform_device *pdev)
{ … }

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

MODULE_ALIAS(…) …;
MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;