Release 4.7 drivers/regulator/mc13xxx-regulator-core.c
/*
* Regulator Driver for Freescale MC13xxx PMIC
*
* Copyright 2010 Yong Shen <yong.shen@linaro.org>
*
* Based on mc13783 regulator driver :
* Copyright (C) 2008 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
* Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Regs infos taken from mc13xxx drivers from freescale and mc13xxx.pdf file
* from freescale
*/
#include <linux/mfd/mc13xxx.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>
#include <linux/platform_device.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/of.h>
#include "mc13xxx.h"
static int mc13xxx_regulator_enable(struct regulator_dev *rdev)
{
struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators;
int id = rdev_get_id(rdev);
dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);
return mc13xxx_reg_rmw(priv->mc13xxx, mc13xxx_regulators[id].reg,
mc13xxx_regulators[id].enable_bit,
mc13xxx_regulators[id].enable_bit);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yong shen | yong shen | 80 | 98.77% | 1 | 50.00% |
| alexander shiyan | alexander shiyan | 1 | 1.23% | 1 | 50.00% |
| Total | 81 | 100.00% | 2 | 100.00% |
static int mc13xxx_regulator_disable(struct regulator_dev *rdev)
{
struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators;
int id = rdev_get_id(rdev);
dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);
return mc13xxx_reg_rmw(priv->mc13xxx, mc13xxx_regulators[id].reg,
mc13xxx_regulators[id].enable_bit, 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yong shen | yong shen | 75 | 98.68% | 1 | 50.00% |
| alexander shiyan | alexander shiyan | 1 | 1.32% | 1 | 50.00% |
| Total | 76 | 100.00% | 2 | 100.00% |
static int mc13xxx_regulator_is_enabled(struct regulator_dev *rdev)
{
struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators;
int ret, id = rdev_get_id(rdev);
unsigned int val;
ret = mc13xxx_reg_read(priv->mc13xxx, mc13xxx_regulators[id].reg, &val);
if (ret)
return ret;
return (val & mc13xxx_regulators[id].enable_bit) != 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yong shen | yong shen | 84 | 100.00% | 1 | 100.00% |
| Total | 84 | 100.00% | 1 | 100.00% |
static int mc13xxx_regulator_set_voltage_sel(struct regulator_dev *rdev,
unsigned selector)
{
struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators;
int id = rdev_get_id(rdev);
return mc13xxx_reg_rmw(priv->mc13xxx, mc13xxx_regulators[id].vsel_reg,
mc13xxx_regulators[id].vsel_mask,
selector << mc13xxx_regulators[id].vsel_shift);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yong shen | yong shen | 69 | 95.83% | 1 | 33.33% |
| axel lin | axel lin | 2 | 2.78% | 1 | 33.33% |
| alexander shiyan | alexander shiyan | 1 | 1.39% | 1 | 33.33% |
| Total | 72 | 100.00% | 3 | 100.00% |
static int mc13xxx_regulator_get_voltage(struct regulator_dev *rdev)
{
struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators;
int ret, id = rdev_get_id(rdev);
unsigned int val;
dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);
ret = mc13xxx_reg_read(priv->mc13xxx,
mc13xxx_regulators[id].vsel_reg, &val);
if (ret)
return ret;
val = (val & mc13xxx_regulators[id].vsel_mask)
>> mc13xxx_regulators[id].vsel_shift;
dev_dbg(rdev_get_dev(rdev), "%s id: %d val: %d\n", __func__, id, val);
BUG_ON(val >= mc13xxx_regulators[id].desc.n_voltages);
return rdev->desc->volt_table[val];
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yong shen | yong shen | 138 | 95.83% | 1 | 33.33% |
| axel lin | axel lin | 6 | 4.17% | 2 | 66.67% |
| Total | 144 | 100.00% | 3 | 100.00% |
struct regulator_ops mc13xxx_regulator_ops = {
.enable = mc13xxx_regulator_enable,
.disable = mc13xxx_regulator_disable,
.is_enabled = mc13xxx_regulator_is_enabled,
.list_voltage = regulator_list_voltage_table,
.set_voltage_sel = mc13xxx_regulator_set_voltage_sel,
.get_voltage = mc13xxx_regulator_get_voltage,
};
EXPORT_SYMBOL_GPL(mc13xxx_regulator_ops);
int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev, int min_uV,
int max_uV, unsigned *selector)
{
int id = rdev_get_id(rdev);
dev_dbg(rdev_get_dev(rdev), "%s id: %d min_uV: %d max_uV: %d\n",
__func__, id, min_uV, max_uV);
if (min_uV <= rdev->desc->volt_table[0] &&
rdev->desc->volt_table[0] <= max_uV) {
*selector = 0;
return 0;
} else {
return -EINVAL;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yong shen | yong shen | 65 | 74.71% | 1 | 25.00% |
| axel lin | axel lin | 22 | 25.29% | 3 | 75.00% |
| Total | 87 | 100.00% | 4 | 100.00% |
EXPORT_SYMBOL_GPL(mc13xxx_fixed_regulator_set_voltage);
struct regulator_ops mc13xxx_fixed_regulator_ops = {
.enable = mc13xxx_regulator_enable,
.disable = mc13xxx_regulator_disable,
.is_enabled = mc13xxx_regulator_is_enabled,
.list_voltage = regulator_list_voltage_table,
.set_voltage = mc13xxx_fixed_regulator_set_voltage,
};
EXPORT_SYMBOL_GPL(mc13xxx_fixed_regulator_ops);
#ifdef CONFIG_OF
int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
{
struct device_node *parent;
int num;
if (!pdev->dev.parent->of_node)
return -ENODEV;
parent = of_get_child_by_name(pdev->dev.parent->of_node, "regulators");
if (!parent)
return -ENODEV;
num = of_get_child_count(parent);
of_node_put(parent);
return num;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| shawn guo | shawn guo | 50 | 69.44% | 1 | 16.67% |
| sachin kamat | sachin kamat | 9 | 12.50% | 2 | 33.33% |
| axel lin | axel lin | 9 | 12.50% | 2 | 33.33% |
| alexander shiyan | alexander shiyan | 4 | 5.56% | 1 | 16.67% |
| Total | 72 | 100.00% | 6 | 100.00% |
EXPORT_SYMBOL_GPL(mc13xxx_get_num_regulators_dt);
struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
struct platform_device *pdev, struct mc13xxx_regulator *regulators,
int num_regulators)
{
struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev);
struct mc13xxx_regulator_init_data *data, *p;
struct device_node *parent, *child;
int i, parsed = 0;
if (!pdev->dev.parent->of_node)
return NULL;
parent = of_get_child_by_name(pdev->dev.parent->of_node, "regulators");
if (!parent)
return NULL;
data = devm_kzalloc(&pdev->dev, sizeof(*data) * priv->num_regulators,
GFP_KERNEL);
if (!data) {
of_node_put(parent);
return NULL;
}
p = data;
for_each_child_of_node(parent, child) {
int found = 0;
for (i = 0; i < num_regulators; i++) {
if (!regulators[i].desc.name)
continue;
if (!of_node_cmp(child->name,
regulators[i].desc.name)) {
p->id = i;
p->init_data = of_get_regulator_init_data(
&pdev->dev, child,
®ulators[i].desc);
p->node = child;
p++;
parsed++;
found = 1;
break;
}
}
if (!found)
dev_warn(&pdev->dev,
"Unknown regulator: %s\n", child->name);
}
of_node_put(parent);
priv->num_regulators = parsed;
return data;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| shawn guo | shawn guo | 185 | 68.27% | 1 | 12.50% |
| alexander shiyan | alexander shiyan | 48 | 17.71% | 2 | 25.00% |
| axel lin | axel lin | 12 | 4.43% | 1 | 12.50% |
| matt sealey | matt sealey | 10 | 3.69% | 1 | 12.50% |
| javier martinez canillas | javier martinez canillas | 8 | 2.95% | 1 | 12.50% |
| sachin kamat | sachin kamat | 8 | 2.95% | 2 | 25.00% |
| Total | 271 | 100.00% | 8 | 100.00% |
EXPORT_SYMBOL_GPL(mc13xxx_parse_regulators_dt);
#endif
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Yong Shen <yong.shen@linaro.org>");
MODULE_DESCRIPTION("Regulator Driver for Freescale MC13xxx PMIC");
MODULE_ALIAS("mc13xxx-regulator-core");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| yong shen | yong shen | 622 | 59.75% | 1 | 5.26% |
| shawn guo | shawn guo | 246 | 23.63% | 1 | 5.26% |
| axel lin | axel lin | 55 | 5.28% | 7 | 36.84% |
| alexander shiyan | alexander shiyan | 55 | 5.28% | 3 | 15.79% |
| sachin kamat | sachin kamat | 17 | 1.63% | 2 | 10.53% |
| mark brown | mark brown | 15 | 1.44% | 1 | 5.26% |
| matt sealey | matt sealey | 10 | 0.96% | 1 | 5.26% |
| david s. miller | david s. miller | 10 | 0.96% | 1 | 5.26% |
| javier martinez canillas | javier martinez canillas | 8 | 0.77% | 1 | 5.26% |
| paul gortmaker | paul gortmaker | 3 | 0.29% | 1 | 5.26% |
| Total | 1041 | 100.00% | 19 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.