mirror of
https://kernel.googlesource.com/pub/scm/linux/kernel/git/stable/linux-stable.git
synced 2025-11-04 07:44:51 +10:00
c3a973a770
The Qualcomm SPMI PMIC chips are components used with the Snapdragon 800 series SoC family. This driver exists largely as a glue mfd component, it exists to be an owner of an SPMI regmap for children devices described in device tree. Signed-off-by: Josh Cartwright <joshc@codeaurora.org> Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/*
|
|
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 and
|
|
* only version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/spmi.h>
|
|
#include <linux/regmap.h>
|
|
#include <linux/of_platform.h>
|
|
|
|
static const struct regmap_config spmi_regmap_config = {
|
|
.reg_bits = 16,
|
|
.val_bits = 8,
|
|
.max_register = 0xffff,
|
|
.fast_io = true,
|
|
};
|
|
|
|
static int pmic_spmi_probe(struct spmi_device *sdev)
|
|
{
|
|
struct device_node *root = sdev->dev.of_node;
|
|
struct regmap *regmap;
|
|
|
|
regmap = devm_regmap_init_spmi_ext(sdev, &spmi_regmap_config);
|
|
if (IS_ERR(regmap))
|
|
return PTR_ERR(regmap);
|
|
|
|
return of_platform_populate(root, NULL, NULL, &sdev->dev);
|
|
}
|
|
|
|
static void pmic_spmi_remove(struct spmi_device *sdev)
|
|
{
|
|
of_platform_depopulate(&sdev->dev);
|
|
}
|
|
|
|
static const struct of_device_id pmic_spmi_id_table[] = {
|
|
{ .compatible = "qcom,spmi-pmic" },
|
|
{ .compatible = "qcom,pm8941" },
|
|
{ .compatible = "qcom,pm8841" },
|
|
{ .compatible = "qcom,pma8084" },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, pmic_spmi_id_table);
|
|
|
|
static struct spmi_driver pmic_spmi_driver = {
|
|
.probe = pmic_spmi_probe,
|
|
.remove = pmic_spmi_remove,
|
|
.driver = {
|
|
.name = "pmic-spmi",
|
|
.of_match_table = pmic_spmi_id_table,
|
|
},
|
|
};
|
|
module_spmi_driver(pmic_spmi_driver);
|
|
|
|
MODULE_DESCRIPTION("Qualcomm SPMI PMIC driver");
|
|
MODULE_ALIAS("spmi:spmi-pmic");
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_AUTHOR("Josh Cartwright <joshc@codeaurora.org>");
|
|
MODULE_AUTHOR("Stanimir Varbanov <svarbanov@mm-sol.com>");
|