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-rw-r--r--drivers/nvmem/layouts/fixed-layout.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/nvmem/layouts/fixed-layout.c b/drivers/nvmem/layouts/fixed-layout.c
new file mode 100644
index 000000000..635d448b3
--- /dev/null
+++ b/drivers/nvmem/layouts/fixed-layout.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2026 Bootlin
+ *
+ * Authors: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
+ */
+
+#include <linux/nvmem-provider.h>
+#include <linux/of.h>
+
+#include "../internals.h"
+
+static int fixed_layout_add_cells(struct nvmem_layout *layout)
+{
+ struct device_node *np;
+ int ret;
+
+ np = of_nvmem_layout_get_container(layout->nvmem);
+ if (!np)
+ return -ENOENT;
+
+ ret = nvmem_add_cells_from_dt(layout->nvmem, np);
+ of_node_put(np);
+
+ return ret;
+}
+
+static int fixed_layout_probe(struct nvmem_layout *layout)
+{
+ layout->add_cells = fixed_layout_add_cells;
+
+ return nvmem_layout_register(layout);
+}
+
+static void fixed_layout_remove(struct nvmem_layout *layout)
+{
+ nvmem_layout_unregister(layout);
+}
+
+static const struct of_device_id fixed_layout_of_match_table[] = {
+ { .compatible = "fixed-layout", },
+ {},
+};
+
+static struct nvmem_layout_driver fixed_layout_layout = {
+ .driver = {
+ .name = "fixed-layout",
+ .of_match_table = fixed_layout_of_match_table,
+ },
+ .probe = fixed_layout_probe,
+ .remove = fixed_layout_remove,
+};
+module_nvmem_layout_driver(fixed_layout_layout);
+
+MODULE_AUTHOR("Mathieu Dubois-Briand");
+MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(of, fixed_layout_of_match_table);
+MODULE_DESCRIPTION("NVMEM fixed-layout driver");