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    Subject[PATCH v2 4/5] arm64: dts: librem5: protect some partitions of the nor-flash
    Date
    From: Angus Ainslie <angus@akkea.ca>

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

    Signed-off-by: Angus Ainslie <angus@akkea.ca>
    Signed-off-by: Martin Kepplinger <martin.kepplinger@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..3c0462f81b3a 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@0 {
    + label = "protected0";
    + reg = <0x00000000 0x00030000>;
    + read-only;
    + };
    + partition@30000 {
    + label = "protected1";
    + reg = <0x00030000 0x00010000>;
    + read-only;
    + };
    + partition@40000 {
    + label = "rw";
    + reg = <0x00040000 0x001C0000>;
    + };
    };
    };

    --
    2.20.1
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