Release 4.14 drivers/soc/samsung/exynos-pmu.c
/*
* Copyright (c) 2011-2014 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* EXYNOS - CPU PMU(Power Management Unit) support
*
* 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.
*/
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/mfd/syscon.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/soc/samsung/exynos-regs-pmu.h>
#include <linux/soc/samsung/exynos-pmu.h>
#include "exynos-pmu.h"
struct exynos_pmu_context {
struct device *dev;
const struct exynos_pmu_data *pmu_data;
};
void __iomem *pmu_base_addr;
static struct exynos_pmu_context *pmu_context;
void pmu_raw_writel(u32 val, u32 offset)
{
writel_relaxed(val, pmu_base_addr + offset);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pankaj Dubey | 12 | 60.00% | 1 | 50.00% |
| Abhilash Kesavan | 8 | 40.00% | 1 | 50.00% |
| Total | 20 | 100.00% | 2 | 100.00% |
u32 pmu_raw_readl(u32 offset)
{
return readl_relaxed(pmu_base_addr + offset);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pankaj Dubey | 13 | 81.25% | 1 | 50.00% |
| Abhilash Kesavan | 3 | 18.75% | 1 | 50.00% |
| Total | 16 | 100.00% | 2 | 100.00% |
void exynos_sys_powerdown_conf(enum sys_powerdown mode)
{
unsigned int i;
const struct exynos_pmu_data *pmu_data;
if (!pmu_context || !pmu_context->pmu_data)
return;
pmu_data = pmu_context->pmu_data;
if (pmu_data->powerdown_conf)
pmu_data->powerdown_conf(mode);
if (pmu_data->pmu_config) {
for (i = 0; (pmu_data->pmu_config[i].offset != PMU_TABLE_END); i++)
pmu_raw_writel(pmu_data->pmu_config[i].val[mode],
pmu_data->pmu_config[i].offset);
}
if (pmu_data->powerdown_conf_extra)
pmu_data->powerdown_conf_extra(mode);
if (pmu_data->pmu_config_extra) {
for (i = 0; pmu_data->pmu_config_extra[i].offset != PMU_TABLE_END; i++)
pmu_raw_writel(pmu_data->pmu_config_extra[i].val[mode],
pmu_data->pmu_config_extra[i].offset);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pankaj Dubey | 51 | 30.36% | 3 | 30.00% |
| Inderpal Singh | 37 | 22.02% | 1 | 10.00% |
| Abhilash Kesavan | 26 | 15.48% | 1 | 10.00% |
| Jongpill Lee | 22 | 13.10% | 2 | 20.00% |
| Jaecheol Lee | 14 | 8.33% | 1 | 10.00% |
| Bartlomiej Zolnierkiewicz | 13 | 7.74% | 1 | 10.00% |
| Marek Szyprowski | 5 | 2.98% | 1 | 10.00% |
| Total | 168 | 100.00% | 10 | 100.00% |
/*
* Split the data between ARM architectures because it is relatively big
* and useless on other arch.
*/
#ifdef CONFIG_EXYNOS_PMU_ARM_DRIVERS
#define exynos_pmu_data_arm_ptr(data) (&data)
#else
#define exynos_pmu_data_arm_ptr(data) NULL
#endif
/*
* PMU platform driver and devicetree bindings.
*/
static const struct of_device_id exynos_pmu_of_device_ids[] = {
{
.compatible = "samsung,exynos3250-pmu",
.data = exynos_pmu_data_arm_ptr(exynos3250_pmu_data),
}, {
.compatible = "samsung,exynos4210-pmu",
.data = exynos_pmu_data_arm_ptr(exynos4210_pmu_data),
}, {
.compatible = "samsung,exynos4212-pmu",
.data = exynos_pmu_data_arm_ptr(exynos4212_pmu_data),
}, {
.compatible = "samsung,exynos4412-pmu",
.data = exynos_pmu_data_arm_ptr(exynos4412_pmu_data),
}, {
.compatible = "samsung,exynos5250-pmu",
.data = exynos_pmu_data_arm_ptr(exynos5250_pmu_data),
}, {
.compatible = "samsung,exynos5420-pmu",
.data = exynos_pmu_data_arm_ptr(exynos5420_pmu_data),
}, {
.compatible = "samsung,exynos5433-pmu",
},
{ /*sentinel*/ },
};
struct regmap *exynos_get_pmu_regmap(void)
{
struct device_node *np = of_find_matching_node(NULL,
exynos_pmu_of_device_ids);
if (np)
return syscon_node_to_regmap(np);
return ERR_PTR(-ENODEV);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Marek Szyprowski | 38 | 100.00% | 1 | 100.00% |
| Total | 38 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL_GPL(exynos_get_pmu_regmap);
static int exynos_pmu_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct resource *res;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
pmu_base_addr = devm_ioremap_resource(dev, res);
if (IS_ERR(pmu_base_addr))
return PTR_ERR(pmu_base_addr);
pmu_context = devm_kzalloc(&pdev->dev,
sizeof(struct exynos_pmu_context),
GFP_KERNEL);
if (!pmu_context)
return -ENOMEM;
pmu_context->dev = dev;
pmu_context->pmu_data = of_device_get_match_data(dev);
if (pmu_context->pmu_data && pmu_context->pmu_data->pmu_init)
pmu_context->pmu_data->pmu_init();
platform_set_drvdata(pdev, pmu_context);
dev_dbg(dev, "Exynos PMU Driver probe done\n");
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pankaj Dubey | 121 | 88.32% | 1 | 16.67% |
| Marek Szyprowski | 8 | 5.84% | 2 | 33.33% |
| Jongpill Lee | 7 | 5.11% | 2 | 33.33% |
| Jaecheol Lee | 1 | 0.73% | 1 | 16.67% |
| Total | 137 | 100.00% | 6 | 100.00% |
static struct platform_driver exynos_pmu_driver = {
.driver = {
.name = "exynos-pmu",
.of_match_table = exynos_pmu_of_device_ids,
},
.probe = exynos_pmu_probe,
};
static int __init exynos_pmu_init(void)
{
return platform_driver_register(&exynos_pmu_driver);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pankaj Dubey | 16 | 100.00% | 1 | 100.00% |
| Total | 16 | 100.00% | 1 | 100.00% |
postcore_initcall(exynos_pmu_init);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pankaj Dubey | 340 | 54.84% | 7 | 36.84% |
| Marek Szyprowski | 69 | 11.13% | 3 | 15.79% |
| Abhilash Kesavan | 55 | 8.87% | 1 | 5.26% |
| Krzysztof Kozlowski | 40 | 6.45% | 1 | 5.26% |
| Inderpal Singh | 37 | 5.97% | 1 | 5.26% |
| Jongpill Lee | 33 | 5.32% | 3 | 15.79% |
| Bartlomiej Zolnierkiewicz | 25 | 4.03% | 1 | 5.26% |
| Jaecheol Lee | 19 | 3.06% | 1 | 5.26% |
| Kukjin Kim | 2 | 0.32% | 1 | 5.26% |
| Total | 620 | 100.00% | 19 | 100.00% |
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