[PATCH 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>
---
 .../arm64/boot/dts/freescale/imx8mq-librem5.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi 
b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index c2bbbdeb93e3..9867e2a50008 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -258,6 +258,22 @@
                compatible = "jedec,spi-nor";
                reg = <0>;
                spi-max-frequency = <1000000>;
+               #address-cells = <1>;
+               #size-cells = <1>;
+               partition@0x00000000 {
+                       label = "protected0";
+                       reg = <0x00000000 0x00030000>;
+                       read-only;
+               };
+               partition@0x00030000 {
+                       label = "protected1";
+                       reg = <0x00030000 0x00010000>;
+                       read-only;
+               };
+               partition@0x00040000 {
+                       label = "rw";
+                       reg = <0x00040000 0x001C0000>;
+               };
        };
 };
 
-- 
2.20.1