On Tue, 23 Mar 2021 13:09:29 +0530, 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. > > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/mtd/nand-controller.yaml | 7 +++++++ > 1 file changed, 7 insertions(+) > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>