[PATCH v2 14/15] ARM: dts: qcom: msm8916: Add include for SMP without PSCI on ARM32
From: Stephan Gerhold <stephan@gerhold.net>
Date: 2021-10-04 20:51:31
Also in:
linux-arm-kernel, linux-arm-msm, phone-devel
Subsystem:
the rest · Maintainer:
Linus Torvalds
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> --- Changes in v2: Clarify commit message very slightly --- 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