write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 u-boot/include/dm/read.h
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@@ -271,6 +271,18 @@
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 int dev_read_addr_cells(struct udevice *dev);
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 /**
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+ * dev_remap_addr_index() - Get the indexed reg property of a device
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+ *                               as a memory-mapped I/O pointer
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+ *
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+ * @dev: Device to read from
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+ * @index: the 'reg' property can hold a list of <addr, size> pairs
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+ *         and @index is used to select which one is required
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+ *
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+ * Return: pointer or NULL if not found
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+ */
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+void *dev_remap_addr_index(struct udevice *dev, int index);
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+
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+/**
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  * dev_read_size_cells() - Get the number of size cells for a device's node
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  *
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  * This walks back up the tree to find the closest #size-cells property
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@@ -588,6 +600,11 @@
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 	return fdt_address_cells(gd->fdt_blob, dev_of_offset(dev));
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 }
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+static inline void *dev_remap_addr_index(struct udevice *dev, int index)
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+{
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+	return devfdt_remap_addr_index(dev, index);
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+}
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+
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 static inline int dev_read_size_cells(struct udevice *dev)
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 {
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 	/* NOTE: this call should walk up the parent stack */