ARM: dts: msm8974-FP2: add reboot-mode node

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).

Reviewed-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/arch/arm/boot/dts/qcom-msm8974-fairphone-fp2.dts b/arch/arm/boot/dts/qcom-msm8974-fairphone-fp2.dts
index dfab251..2616039 100644 (file)
--- a/arch/arm/boot/dts/qcom-msm8974-fairphone-fp2.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-fairphone-fp2.dts
@@ -338,6 +338,16 @@
                        };
                };
        };
+
+       imem@fe805000 {
+               status = "okay";
+
+               reboot-mode {
+                       mode-normal     = <0x77665501>;
+                       mode-bootloader = <0x77665500>;
+                       mode-recovery   = <0x77665502>;
+               };
+       };
 };
 
 &spmi_bus {

diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
index 369e58f..39a3a1d 100644 (file)
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
@@ -1217,6 +1217,17 @@
                                clock-names = "iface";
                        };
                };
+
+               imem@fe805000 {
+                       status = "disabled";
+                       compatible = "syscon", "simple-mfd";
+                       reg = <0xfe805000 0x1000>;
+
+                       reboot-mode {
+                               compatible = "syscon-reboot-mode";
+                               offset = <0x65c>;
+                       };
+               };
        };
 
        smd {