kpss-xcc.c (8bb5e7f4dcd9b9ef22a3ea25c9066a8a968f12dd) kpss-xcc.c (c3db5128e80e1437cb08d0d41aeb7163004897e7)
1// SPDX-License-Identifier: GPL-2.0
2// Copyright (c) 2018, The Linux Foundation. All rights reserved.
3
4#include <linux/kernel.h>
5#include <linux/init.h>
6#include <linux/module.h>
7#include <linux/platform_device.h>
8#include <linux/err.h>
9#include <linux/io.h>
10#include <linux/of.h>
11#include <linux/of_device.h>
12#include <linux/clk.h>
13#include <linux/clk-provider.h>
14
1// SPDX-License-Identifier: GPL-2.0
2// Copyright (c) 2018, The Linux Foundation. All rights reserved.
3
4#include <linux/kernel.h>
5#include <linux/init.h>
6#include <linux/module.h>
7#include <linux/platform_device.h>
8#include <linux/err.h>
9#include <linux/io.h>
10#include <linux/of.h>
11#include <linux/of_device.h>
12#include <linux/clk.h>
13#include <linux/clk-provider.h>
14
15static const char *aux_parents[] = {
16 "pll8_vote",
17 "pxo",
15static const struct clk_parent_data aux_parents[] = {
16 { .fw_name = "pll8_vote", .name = "pll8_vote" },
17 { .fw_name = "pxo", .name = "pxo_board" },
18};
19
20static const u32 aux_parent_map[] = {
21 3,
22 0,
23};
24
25static const struct of_device_id kpss_xcc_match_table[] = {
26 { .compatible = "qcom,kpss-acc-v1", .data = (void *)1UL },
27 { .compatible = "qcom,kpss-gcc" },
28 {}
29};
30MODULE_DEVICE_TABLE(of, kpss_xcc_match_table);
31
32static int kpss_xcc_driver_probe(struct platform_device *pdev)
33{
34 const struct of_device_id *id;
18};
19
20static const u32 aux_parent_map[] = {
21 3,
22 0,
23};
24
25static const struct of_device_id kpss_xcc_match_table[] = {
26 { .compatible = "qcom,kpss-acc-v1", .data = (void *)1UL },
27 { .compatible = "qcom,kpss-gcc" },
28 {}
29};
30MODULE_DEVICE_TABLE(of, kpss_xcc_match_table);
31
32static int kpss_xcc_driver_probe(struct platform_device *pdev)
33{
34 const struct of_device_id *id;
35 struct clk *clk;
36 void __iomem *base;
35 void __iomem *base;
36 struct clk_hw *hw;
37 const char *name;
38
39 id = of_match_device(kpss_xcc_match_table, &pdev->dev);
40 if (!id)
41 return -ENODEV;
42
43 base = devm_platform_ioremap_resource(pdev, 0);
44 if (IS_ERR(base))

--- 5 unchanged lines hidden (view full) ---

50 0, &name))
51 return -ENODEV;
52 base += 0x14;
53 } else {
54 name = "acpu_l2_aux";
55 base += 0x28;
56 }
57
37 const char *name;
38
39 id = of_match_device(kpss_xcc_match_table, &pdev->dev);
40 if (!id)
41 return -ENODEV;
42
43 base = devm_platform_ioremap_resource(pdev, 0);
44 if (IS_ERR(base))

--- 5 unchanged lines hidden (view full) ---

50 0, &name))
51 return -ENODEV;
52 base += 0x14;
53 } else {
54 name = "acpu_l2_aux";
55 base += 0x28;
56 }
57
58 clk = clk_register_mux_table(&pdev->dev, name, aux_parents,
59 ARRAY_SIZE(aux_parents), 0, base, 0, 0x3,
60 0, aux_parent_map, NULL);
58 hw = devm_clk_hw_register_mux_parent_data_table(&pdev->dev, name, aux_parents,
59 ARRAY_SIZE(aux_parents), 0,
60 base, 0, 0x3,
61 0, aux_parent_map, NULL);
61
62
62 platform_set_drvdata(pdev, clk);
63
64 return PTR_ERR_OR_ZERO(clk);
63 return PTR_ERR_OR_ZERO(hw);
65}
66
64}
65
67static int kpss_xcc_driver_remove(struct platform_device *pdev)
68{
69 clk_unregister_mux(platform_get_drvdata(pdev));
70 return 0;
71}
72
73static struct platform_driver kpss_xcc_driver = {
74 .probe = kpss_xcc_driver_probe,
66static struct platform_driver kpss_xcc_driver = {
67 .probe = kpss_xcc_driver_probe,
75 .remove = kpss_xcc_driver_remove,
76 .driver = {
77 .name = "kpss-xcc",
78 .of_match_table = kpss_xcc_match_table,
79 },
80};
81module_platform_driver(kpss_xcc_driver);
82
83MODULE_DESCRIPTION("Krait Processor Sub System (KPSS) Clock Driver");
84MODULE_LICENSE("GPL v2");
85MODULE_ALIAS("platform:kpss-xcc");
68 .driver = {
69 .name = "kpss-xcc",
70 .of_match_table = kpss_xcc_match_table,
71 },
72};
73module_platform_driver(kpss_xcc_driver);
74
75MODULE_DESCRIPTION("Krait Processor Sub System (KPSS) Clock Driver");
76MODULE_LICENSE("GPL v2");
77MODULE_ALIAS("platform:kpss-xcc");