Add a special device tree include for MSM8916 on ARM32 that sets up
SMP and cpuidle without PSCI. This is meant for devices with outdated
(signed) firmware that does not support PSCI and only allows booting
ARM32 kernels.
Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx>
---
arch/arm/boot/dts/qcom-msm8916-smp.dtsi | 62 +++++++++++++++++++++++++
1 file changed, 62 insertions(+)
create mode 100644 arch/arm/boot/dts/qcom-msm8916-smp.dtsi
diff --git a/arch/arm/boot/dts/qcom-msm8916-smp.dtsi b/arch/arm/boot/dts/qcom-msm8916-smp.dtsi
new file mode 100644
index 000000000000..36328dbe4212
--- /dev/null
+++ b/arch/arm/boot/dts/qcom-msm8916-smp.dtsi
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/ {
+ cpus {
+ cpu@0 {
+ enable-method = "qcom,msm8916-smp";
+ };
+ cpu@1 {
+ enable-method = "qcom,msm8916-smp";
+ };
+ cpu@2 {
+ enable-method = "qcom,msm8916-smp";
+ };
+ cpu@3 {
+ enable-method = "qcom,msm8916-smp";
+ };
+
+ idle-states {
+ /delete-property/ entry-method;
+ };
+ };
+
+ psci {
+ status = "disabled";
+ };
+};
+
+&CPU_SLEEP_0 {
+ compatible = "qcom,idle-state-spc";
+};
+
+&cpu0_acc {
+ status = "okay";
+};
+
+&cpu0_saw {
+ status = "okay";
+};
+
+&cpu1_acc {
+ status = "okay";
+};
+
+&cpu1_saw {
+ status = "okay";
+};
+
+&cpu2_acc {
+ status = "okay";
+};
+
+&cpu2_saw {
+ status = "okay";
+};
+
+&cpu3_acc {
+ status = "okay";
+};
+
+&cpu3_saw {
+ status = "okay";
+};
--
2.33.0
