1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2019 BayLibre, SAS.
4 * Author: Jerome Brunet <jbrunet@baylibre.com>
7 #include <linux/clk-provider.h>
8 #include <linux/of_device.h>
9 #include <linux/platform_device.h>
10 #include <linux/mfd/syscon.h>
11 #include <linux/regmap.h>
13 #include "clk-regmap.h"
14 #include "meson-eeclk.h"
16 int meson_eeclkc_probe(struct platform_device *pdev)
18 const struct meson_eeclkc_data *data;
19 struct device *dev = &pdev->dev;
23 data = of_device_get_match_data(dev);
27 /* Get the hhi system controller node */
28 map = syscon_node_to_regmap(of_get_parent(dev->of_node));
31 "failed to get HHI regmap\n");
36 regmap_multi_reg_write(map, data->init_regs, data->init_count);
38 /* Populate regmap for the regmap backed clocks */
39 for (i = 0; i < data->regmap_clk_num; i++)
40 data->regmap_clks[i]->map = map;
42 for (i = 0; i < data->hw_onecell_data->num; i++) {
43 /* array might be sparse */
44 if (!data->hw_onecell_data->hws[i])
47 ret = devm_clk_hw_register(dev, data->hw_onecell_data->hws[i]);
49 dev_err(dev, "Clock registration failed\n");
54 return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
55 data->hw_onecell_data);