1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2018, The Linux Foundation. All rights reserved.
6 #include <linux/kernel.h>
8 #include <linux/platform_device.h>
9 #include <linux/clk-provider.h>
10 #include <linux/regmap.h>
11 #include <linux/module.h>
13 #include <dt-bindings/clock/qcom,apss-ipq.h>
16 #include "clk-regmap.h"
17 #include "clk-branch.h"
18 #include "clk-alpha-pll.h"
19 #include "clk-regmap-mux.h"
26 static const struct clk_parent_data parents_apcs_alias0_clk_src[] = {
31 static const struct parent_map parents_apcs_alias0_clk_src_map[] = {
33 { P_APSS_PLL_EARLY, 5 },
36 static struct clk_regmap_mux apcs_alias0_clk_src = {
40 .parent_map = parents_apcs_alias0_clk_src_map,
41 .clkr.hw.init = &(struct clk_init_data){
42 .name = "apcs_alias0_clk_src",
43 .parent_data = parents_apcs_alias0_clk_src,
45 .ops = &clk_regmap_mux_closest_ops,
46 .flags = CLK_SET_RATE_PARENT,
50 static struct clk_branch apcs_alias0_core_clk = {
54 .enable_mask = BIT(0),
55 .hw.init = &(struct clk_init_data){
56 .name = "apcs_alias0_core_clk",
57 .parent_hws = (const struct clk_hw *[]){
58 &apcs_alias0_clk_src.clkr.hw },
60 .flags = CLK_SET_RATE_PARENT,
61 .ops = &clk_branch2_ops,
66 static const struct regmap_config apss_ipq6018_regmap_config = {
70 .max_register = 0x1000,
74 static struct clk_regmap *apss_ipq6018_clks[] = {
75 [APCS_ALIAS0_CLK_SRC] = &apcs_alias0_clk_src.clkr,
76 [APCS_ALIAS0_CORE_CLK] = &apcs_alias0_core_clk.clkr,
79 static const struct qcom_cc_desc apss_ipq6018_desc = {
80 .config = &apss_ipq6018_regmap_config,
81 .clks = apss_ipq6018_clks,
82 .num_clks = ARRAY_SIZE(apss_ipq6018_clks),
85 static int apss_ipq6018_probe(struct platform_device *pdev)
87 struct regmap *regmap;
89 regmap = dev_get_regmap(pdev->dev.parent, NULL);
93 return qcom_cc_really_probe(pdev, &apss_ipq6018_desc, regmap);
96 static struct platform_driver apss_ipq6018_driver = {
97 .probe = apss_ipq6018_probe,
99 .name = "qcom,apss-ipq6018-clk",
103 module_platform_driver(apss_ipq6018_driver);
105 MODULE_DESCRIPTION("QCOM APSS IPQ 6018 CLK Driver");
106 MODULE_LICENSE("GPL v2");