On 27.06.2018 19:57, Rob Herring wrote:
On Wed, Jun 20, 2018 at 03:28:27PM +0300, Mikko Perttunen wrote:
Add CPU and PSCI nodes to device tree. The Tegra194 SoC contains
eight NVIDIA Carmel CPUs.
Signed-off-by: Mikko Perttunen <mperttunen@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 40 +++++++++++++++++++
arch/arm64/boot/dts/nvidia/tegra194.dtsi | 53 ++++++++++++++++++++++++++
2 files changed, 93 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
index ecb034177fc2..859ab5af17c1 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -229,6 +229,46 @@
};
};
+ cpus {
+ cpu@0 {
+ enable-method = "psci";
+ };
Kind of strange to have this separated out. I guess you have non-PSCI
firmware too? In any case, unless things have changed, upstream is only
supporting spin-table or PSCI for arm64. So please combine this with the
rest of the cpu nodes.
This was copied from older Tegras - we might have had some systems in
the past with non-PSCI firmware, but certainly don't have that anymore.
I'll combine the nodes.
Mikko
Rob
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