On Mon, Feb 28, 2022 at 02:12:50PM +0100, Rafał Miłecki wrote: > From: Rafał Miłecki <rafal@xxxxxxxxxx> > > U-Boot uses environment variables for storing device setup data. It > usually needs to be accessed by a bootloader, kernel and often > user-space. > > This binding allows describing environment data located in a raw flash > partition. It's treated as NVMEM device and can be reused later for > other storage devices. > > Using DT should be cleaner than hardcoding & duplicating such info in > multiple places. Bootloader & kernel can share DTS and user-space can > try reading it too or just have correct data exposed by a kernel. > > A custom "compatible" string allows system to automatically load > relevant NVMEM driver but phandle can be also used for reading raw > location. > > Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx> Reviewed-by: Tom Rini <trini@xxxxxxxxxxxx> -- Tom
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