1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2019 BayLibre, SAS.
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-input.h"
14 #include "clk-regmap.h"
15 #include "meson-eeclk.h"
17 int meson_eeclkc_probe(struct platform_device *pdev)
19 const struct meson_eeclkc_data *data;
20 struct device *dev = &pdev->dev;
25 data = of_device_get_match_data(dev);
29 /* Get the hhi system controller node */
30 map = syscon_node_to_regmap(of_get_parent(dev->of_node));
33 "failed to get HHI regmap\n");
37 input = meson_clk_hw_register_input(dev, "xtal", IN_PREFIX "xtal", 0);
40 if (ret != -EPROBE_DEFER)
41 dev_err(dev, "failed to get input clock");
45 /* Populate regmap for the regmap backed clocks */
46 for (i = 0; i < data->regmap_clk_num; i++)
47 data->regmap_clks[i]->map = map;
49 for (i = 0; i < data->hw_onecell_data->num; i++) {
50 /* array might be sparse */
51 if (!data->hw_onecell_data->hws[i])
54 ret = devm_clk_hw_register(dev, data->hw_onecell_data->hws[i]);
56 dev_err(dev, "Clock registration failed\n");
61 return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
62 data->hw_onecell_data);