mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.4 KiB
44 lines
1.4 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
/* |
|
* Intel Cherry Trail Crystal Cove PMIC operation region driver |
|
* |
|
* Copyright (C) 2019 Hans de Goede <[email protected]> |
|
*/ |
|
|
|
#include <linux/acpi.h> |
|
#include <linux/init.h> |
|
#include <linux/mfd/intel_soc_pmic.h> |
|
#include <linux/platform_device.h> |
|
#include <linux/regmap.h> |
|
#include "intel_pmic.h" |
|
|
|
/* |
|
* We have no docs for the CHT Crystal Cove PMIC. The Asus Zenfone-2 kernel |
|
* code has 2 Crystal Cove regulator drivers, one calls the PMIC a "Crystal |
|
* Cove Plus" PMIC and talks about Cherry Trail, so presuambly that one |
|
* could be used to get register info for the regulators if we need to |
|
* implement regulator support in the future. |
|
* |
|
* For now the sole purpose of this driver is to make |
|
* intel_soc_pmic_exec_mipi_pmic_seq_element work on devices with a |
|
* CHT Crystal Cove PMIC. |
|
*/ |
|
static struct intel_pmic_opregion_data intel_chtcrc_pmic_opregion_data = { |
|
.pmic_i2c_address = 0x6e, |
|
}; |
|
|
|
static int intel_chtcrc_pmic_opregion_probe(struct platform_device *pdev) |
|
{ |
|
struct intel_soc_pmic *pmic = dev_get_drvdata(pdev->dev.parent); |
|
return intel_pmic_install_opregion_handler(&pdev->dev, |
|
ACPI_HANDLE(pdev->dev.parent), pmic->regmap, |
|
&intel_chtcrc_pmic_opregion_data); |
|
} |
|
|
|
static struct platform_driver intel_chtcrc_pmic_opregion_driver = { |
|
.probe = intel_chtcrc_pmic_opregion_probe, |
|
.driver = { |
|
.name = "cht_crystal_cove_pmic", |
|
}, |
|
}; |
|
builtin_platform_driver(intel_chtcrc_pmic_opregion_driver);
|
|
|