mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-25 03:55:09 +08:00
20425f6319
Make it possible to build all clk drivers as modules, but default remains built-in. No functional changes. Signed-off-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Acked-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20201118191405.36798-1-khilman@baylibre.com
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2019 BayLibre, SAS.
|
|
* Author: Jerome Brunet <jbrunet@baylibre.com>
|
|
*/
|
|
|
|
#include <linux/clk-provider.h>
|
|
#include <linux/of_device.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/mfd/syscon.h>
|
|
#include <linux/regmap.h>
|
|
#include <linux/module.h>
|
|
|
|
#include "clk-regmap.h"
|
|
#include "meson-eeclk.h"
|
|
|
|
int meson_eeclkc_probe(struct platform_device *pdev)
|
|
{
|
|
const struct meson_eeclkc_data *data;
|
|
struct device *dev = &pdev->dev;
|
|
struct regmap *map;
|
|
int ret, i;
|
|
|
|
data = of_device_get_match_data(dev);
|
|
if (!data)
|
|
return -EINVAL;
|
|
|
|
/* Get the hhi system controller node */
|
|
map = syscon_node_to_regmap(of_get_parent(dev->of_node));
|
|
if (IS_ERR(map)) {
|
|
dev_err(dev,
|
|
"failed to get HHI regmap\n");
|
|
return PTR_ERR(map);
|
|
}
|
|
|
|
if (data->init_count)
|
|
regmap_multi_reg_write(map, data->init_regs, data->init_count);
|
|
|
|
/* Populate regmap for the regmap backed clocks */
|
|
for (i = 0; i < data->regmap_clk_num; i++)
|
|
data->regmap_clks[i]->map = map;
|
|
|
|
for (i = 0; i < data->hw_onecell_data->num; i++) {
|
|
/* array might be sparse */
|
|
if (!data->hw_onecell_data->hws[i])
|
|
continue;
|
|
|
|
ret = devm_clk_hw_register(dev, data->hw_onecell_data->hws[i]);
|
|
if (ret) {
|
|
dev_err(dev, "Clock registration failed\n");
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
|
|
data->hw_onecell_data);
|
|
}
|
|
EXPORT_SYMBOL_GPL(meson_eeclkc_probe);
|
|
MODULE_LICENSE("GPL v2");
|