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"
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_rcg2 apcs_alias0_clk_src = {
39 .parent_map = parents_apcs_alias0_clk_src_map,
40 .clkr.hw.init = &(struct clk_init_data){
41 .name = "apcs_alias0_clk_src",
42 .parent_data = parents_apcs_alias0_clk_src,
43 .num_parents = ARRAY_SIZE(parents_apcs_alias0_clk_src),
44 .ops = &clk_rcg2_mux_closest_ops,
45 .flags = CLK_SET_RATE_PARENT,
49 static struct clk_branch apcs_alias0_core_clk = {
53 .enable_mask = BIT(0),
54 .hw.init = &(struct clk_init_data){
55 .name = "apcs_alias0_core_clk",
56 .parent_hws = (const struct clk_hw *[]){
57 &apcs_alias0_clk_src.clkr.hw },
59 .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
60 .ops = &clk_branch2_ops,
65 static const struct regmap_config apss_ipq6018_regmap_config = {
69 .max_register = 0x1000,
73 static struct clk_regmap *apss_ipq6018_clks[] = {
74 [APCS_ALIAS0_CLK_SRC] = &apcs_alias0_clk_src.clkr,
75 [APCS_ALIAS0_CORE_CLK] = &apcs_alias0_core_clk.clkr,
78 static const struct qcom_cc_desc apss_ipq6018_desc = {
79 .config = &apss_ipq6018_regmap_config,
80 .clks = apss_ipq6018_clks,
81 .num_clks = ARRAY_SIZE(apss_ipq6018_clks),
84 static int apss_ipq6018_probe(struct platform_device *pdev)
86 struct regmap *regmap;
88 regmap = dev_get_regmap(pdev->dev.parent, NULL);
92 return qcom_cc_really_probe(pdev, &apss_ipq6018_desc, regmap);
95 static struct platform_driver apss_ipq6018_driver = {
96 .probe = apss_ipq6018_probe,
98 .name = "qcom,apss-ipq6018-clk",
102 module_platform_driver(apss_ipq6018_driver);
104 MODULE_DESCRIPTION("QCOM APSS IPQ 6018 CLK Driver");
105 MODULE_LICENSE("GPL v2");