[PATCH v3 4/5] arm64: dts: librem5: protect some partitions of the nor-flash

[Martin Kepplinger]

From: Angus Ainslie <an...@akkea.ca>

These sections should be read only as they contain important data.

Signed-off-by: Angus Ainslie <an...@akkea.ca>
Signed-off-by: Martin Kepplinger <martin.kepplin...@puri.sm>
---
 .../boot/dts/freescale/imx8mq-librem5.dtsi      | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi 
b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index c2bbbdeb93e3..d39ae27c8e42 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -258,6 +258,23 @@
                compatible = "jedec,spi-nor";
                reg = <0>;
                spi-max-frequency = <1000000>;
+               #address-cells = <1>;
+               #size-cells = <1>;
+
+               partition@0 {
+                       label = "protected0";
+                       reg = <0x0 0x30000>;
+                       read-only;
+               };
+               partition@30000 {
+                       label = "protected1";
+                       reg = <0x30000 0x10000>;
+                       read-only;
+               };
+               partition@40000 {
+                       label = "rw";
+                       reg = <0x40000 0x1C0000>;
+               };
        };
 };
 
-- 
2.20.1