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mfd: qcom-i2c-pmic: add debugfs register read/write support

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Add support for fine-grain PMIC register reading and writing via
debugfs.

Change-Id: Ia4d15615478df36bb632e450a5d9f7ace1b8ba50
Signed-off-by: David Collins <collinsd@codeaurora.org>
This commit is contained in:
David Collins 2020-10-21 17:33:07 -07:00 committed by David Collins
parent 6fbee21063
commit d973d28aed
1 changed files with 4 additions and 1 deletions
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5
drivers/mfd/qcom-i2c-pmic.c
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
* Copyright (c) 2016-2018, 2020, The Linux Foundation. All rights reserved.
*/
#define pr_fmt(fmt) "I2C PMIC: %s: " fmt, __func__
@ -13,6 +13,7 @@
#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/pinctrl/consumer.h>
#include <linux/qti-regmap-debugfs.h>
#include <linux/regmap.h>
#include <linux/slab.h>
@ -534,6 +535,8 @@ static int i2c_pmic_probe(struct i2c_client *client,
if (!chip->regmap)
return -ENODEV;
devm_regmap_qti_debugfs_register(chip->dev, chip->regmap);
i2c_set_clientdata(client, chip);
if (!of_property_read_bool(chip->dev->of_node, "interrupt-controller"))
goto probe_children;