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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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f18198c0de
The SG2044 TOP device provide PLL clock function in its area. Add a mfd definition for it. Link: https://lore.kernel.org/r/20250418020325.421257-3-inochiama@gmail.com Signed-off-by: Inochi Amaoto <inochiama@gmail.com> Signed-off-by: Chen Wang <unicorn_wang@outlook.com> Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Sophgo SG2044 multi-function system controller driver
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*
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* Copyright (C) 2025 Inochi Amaoto <inochiama@gmail.com>
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*/
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#include <linux/mfd/core.h>
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include <linux/property.h>
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#include <linux/resource.h>
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static const struct mfd_cell sg2044_topsys_subdev[] = {
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{
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.name = "sg2044-pll",
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},
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};
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static int sg2044_topsys_probe(struct platform_device *pdev)
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{
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return devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_AUTO,
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sg2044_topsys_subdev,
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ARRAY_SIZE(sg2044_topsys_subdev),
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NULL, 0, NULL);
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}
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static const struct of_device_id sg2044_topsys_of_match[] = {
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{ .compatible = "sophgo,sg2044-top-syscon" },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(of, sg2044_topsys_of_match);
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static struct platform_driver sg2044_topsys_driver = {
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.probe = sg2044_topsys_probe,
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.driver = {
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.name = "sg2044-topsys",
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.of_match_table = sg2044_topsys_of_match,
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},
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};
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module_platform_driver(sg2044_topsys_driver);
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MODULE_AUTHOR("Inochi Amaoto <inochiama@gmail.com>");
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MODULE_DESCRIPTION("Sophgo SG2044 multi-function system controller driver");
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MODULE_LICENSE("GPL");
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