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79 lines
2.0 KiB
79 lines
2.0 KiB
/* Copyright (c) 2016-2017, 2019 The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/err.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#include <linux/mfd/syscon.h>
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#include <linux/regmap.h>
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static int qcom_llcc_core_probe(struct platform_device *pdev)
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{
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struct regmap *llcc_regmap;
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struct device *dev = &pdev->dev;
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u32 b_off = 0;
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int ret = 0;
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llcc_regmap = syscon_node_to_regmap(dev->of_node);
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if (IS_ERR(llcc_regmap)) {
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dev_err(&pdev->dev, "Cannot find regmap for llcc\n");
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return PTR_ERR(llcc_regmap);
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}
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ret = of_property_read_u32(dev->of_node,
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"qcom,llcc-broadcast-off", &b_off);
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if (ret) {
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dev_err(&pdev->dev, "Unable to read broadcast-off\n");
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return -EINVAL;
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}
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return 0;
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}
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static int qcom_llcc_core_remove(struct platform_device *pdev)
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{
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return 0;
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}
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static const struct of_device_id qcom_llcc_core_match_table[] = {
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{ .compatible = "qcom,llcc-core" },
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{ },
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};
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static struct platform_driver qcom_llcc_core_driver = {
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.probe = qcom_llcc_core_probe,
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.remove = qcom_llcc_core_remove,
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.driver = {
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.name = "qcom_llcc_core",
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.owner = THIS_MODULE,
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.of_match_table = qcom_llcc_core_match_table,
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},
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};
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static int __init qcom_llcc_core_init(void)
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{
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return platform_driver_register(&qcom_llcc_core_driver);
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}
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module_init(qcom_llcc_core_init);
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static void __exit qcom_llcc_core_exit(void)
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{
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platform_driver_unregister(&qcom_llcc_core_driver);
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}
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module_exit(qcom_llcc_core_exit);
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MODULE_DESCRIPTION("Qualcomm Technologies Inc LLCC Core Driver");
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MODULE_LICENSE("GPL v2");
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