59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright 2026 Bootlin
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*
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* Authors: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
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*/
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#include <linux/nvmem-provider.h>
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#include <linux/of.h>
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#include "../internals.h"
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static int fixed_layout_add_cells(struct nvmem_layout *layout)
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{
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struct device_node *np;
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int ret;
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np = of_nvmem_layout_get_container(layout->nvmem);
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if (!np)
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return -ENOENT;
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ret = nvmem_add_cells_from_dt(layout->nvmem, np);
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of_node_put(np);
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return ret;
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}
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static int fixed_layout_probe(struct nvmem_layout *layout)
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{
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layout->add_cells = fixed_layout_add_cells;
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return nvmem_layout_register(layout);
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}
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static void fixed_layout_remove(struct nvmem_layout *layout)
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{
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nvmem_layout_unregister(layout);
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}
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static const struct of_device_id fixed_layout_of_match_table[] = {
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{ .compatible = "fixed-layout", },
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{},
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};
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static struct nvmem_layout_driver fixed_layout_layout = {
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.driver = {
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.name = "fixed-layout",
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.of_match_table = fixed_layout_of_match_table,
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},
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.probe = fixed_layout_probe,
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.remove = fixed_layout_remove,
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};
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module_nvmem_layout_driver(fixed_layout_layout);
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MODULE_AUTHOR("Mathieu Dubois-Briand");
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MODULE_LICENSE("GPL");
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MODULE_DEVICE_TABLE(of, fixed_layout_of_match_table);
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MODULE_DESCRIPTION("NVMEM fixed-layout driver");
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