1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2018, The Linux Foundation. All rights reserved.
4 #include <linux/kernel.h>
5 #include <linux/init.h>
6 #include <linux/module.h>
7 #include <linux/platform_device.h>
10 #include <linux/clk-provider.h>
11 #include <linux/regmap.h>
13 #include "clk-regmap.h"
14 #include "clk-hfpll.h"
16 static const struct hfpll_data hdata = {
23 .config_val = 0x430405d,
28 .user_vco_mask = 0x100000,
29 .low_vco_max_rate = 1248000000,
30 .min_rate = 537600000UL,
31 .max_rate = 2900000000UL,
34 static const struct of_device_id qcom_hfpll_match_table[] = {
35 { .compatible = "qcom,hfpll" },
38 MODULE_DEVICE_TABLE(of, qcom_hfpll_match_table);
40 static const struct regmap_config hfpll_regmap_config = {
48 static int qcom_hfpll_probe(struct platform_device *pdev)
51 struct device *dev = &pdev->dev;
53 struct regmap *regmap;
55 struct clk_init_data init = {
56 .parent_names = (const char *[]){ "xo" },
58 .ops = &clk_ops_hfpll,
61 h = devm_kzalloc(dev, sizeof(*h), GFP_KERNEL);
65 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
66 base = devm_ioremap_resource(dev, res);
70 regmap = devm_regmap_init_mmio(&pdev->dev, base, &hfpll_regmap_config);
72 return PTR_ERR(regmap);
74 if (of_property_read_string_index(dev->of_node, "clock-output-names",
79 h->clkr.hw.init = &init;
80 spin_lock_init(&h->lock);
82 return devm_clk_register_regmap(&pdev->dev, &h->clkr);
85 static struct platform_driver qcom_hfpll_driver = {
86 .probe = qcom_hfpll_probe,
89 .of_match_table = qcom_hfpll_match_table,
92 module_platform_driver(qcom_hfpll_driver);
94 MODULE_DESCRIPTION("QCOM HFPLL Clock Driver");
95 MODULE_LICENSE("GPL v2");
96 MODULE_ALIAS("platform:qcom-hfpll");