From d468f825b3fddef9f844365073745cbd0e319e8d Mon Sep 17 00:00:00 2001
From: Stephan Gerhold <stephan@gerhold.net>
Date: Mon, 4 Oct 2021 22:49:54 +0200
Subject: [PATCH] ARM: dts: qcom: msm8916: Add include for SMP without PSCI on
ARM32
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 | 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 0000000000000..36328dbe4212b
--- /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";
+};
--
2.30.2