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ARM: dts: qcom: msm8226: Add IMEM node

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This enables userspace to signal the bootloader to go into the
bootloader or recovery mode.

The magic values can be found in both the downstream kernel and the LK
kernel (bootloader).

Signed-off-by: Matti Lehtimäki <matti.lehtimaki@gmail.com>
Reviewed-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230520121933.15533-5-matti.lehtimaki@gmail.com
This commit is contained in:
Matti Lehtimäki 2023-05-20 15:19:33 +03:00 committed by Bjorn Andersson
parent a22a576af3
commit 9cf9832d4f
1 changed files with 14 additions and 0 deletions
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14
arch/arm/boot/dts/qcom-msm8226.dtsi
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@ -647,6 +647,20 @@ smd-edge {
label = "lpass";
};
};
sram@fe805000 {
compatible = "qcom,msm8226-imem", "syscon", "simple-mfd";
reg = <0xfe805000 0x1000>;
reboot-mode {
compatible = "syscon-reboot-mode";
offset = <0x65c>;
mode-bootloader = <0x77665500>;
mode-normal = <0x77665501>;
mode-recovery = <0x77665502>;
};
};
};
timer {