ARM: dts: qcom: msm8916: Add include for SMP without PSCI on ARM32
authorStephan Gerhold <stephan@gerhold.net>
Mon, 4 Oct 2021 20:49:54 +0000 (22:49 +0200)
committerBjorn Andersson <bjorn.andersson@linaro.org>
Sun, 24 Oct 2021 03:35:38 +0000 (22:35 -0500)
Add a special device tree include for MSM8916 on ARM32 that sets up
SMP and cpuidle without PSCI. This is meant for devices with signed
firmware that does not support PSCI and only allows booting ARM32 kernels.

Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004204955.21077-14-stephan@gerhold.net
arch/arm/boot/dts/qcom-msm8916-smp.dtsi [new file with mode: 0644]

diff --git a/arch/arm/boot/dts/qcom-msm8916-smp.dtsi b/arch/arm/boot/dts/qcom-msm8916-smp.dtsi
new file mode 100644 (file)
index 0000000..36328db
--- /dev/null
@@ -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";
+};