[PATCH v11 2/4] dt-bindings: mtd: Add a property to declare secure regions in NAND chips

Miquel Raynal miquel.raynal at bootlin.com
Wed Apr 7 10:06:51 BST 2021


On Fri, 2021-04-02 at 15:01:26 UTC, Manivannan Sadhasivam wrote:
> On a typical end product, a vendor may choose to secure some regions in
> the NAND memory which are supposed to stay intact between FW upgrades.
> The access to those regions will be blocked by a secure element like
> Trustzone. So the normal world software like Linux kernel should not
> touch these regions (including reading).
> 
> So let's add a property for declaring such secure regions so that the
> drivers can skip touching them.
> 
> Reviewed-by: Rob Herring <robh at kernel.org>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel



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