From mboxrd@z Thu Jan 1 00:00:00 1970 From: mperttunen@nvidia.com (Mikko Perttunen) Date: Wed, 20 Jun 2018 15:28:27 +0300 Subject: [PATCH 2/2] arm64: tegra: Add CPU nodes to Tegra194 device tree In-Reply-To: <20180620122827.14165-1-mperttunen@nvidia.com> References: <20180620122827.14165-1-mperttunen@nvidia.com> Message-ID: <20180620122827.14165-2-mperttunen@nvidia.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add CPU and PSCI nodes to device tree. The Tegra194 SoC contains eight NVIDIA Carmel CPUs. Signed-off-by: Mikko Perttunen --- 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 at 0 { + enable-method = "psci"; + }; + + cpu at 1 { + enable-method = "psci"; + }; + + cpu at 2 { + enable-method = "psci"; + }; + + cpu at 3 { + enable-method = "psci"; + }; + + cpu at 4 { + enable-method = "psci"; + }; + + cpu at 5 { + enable-method = "psci"; + }; + + cpu at 6 { + enable-method = "psci"; + }; + + cpu at 7 { + enable-method = "psci"; + }; + }; + + psci { + compatible = "arm,psci-1.0"; + status = "okay"; + method = "smc"; + }; + regulators { compatible = "simple-bus"; #address-cells = <1>; diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index 6322ef265c2f..6d699815a84f 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -329,6 +329,59 @@ }; }; + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu at 0 { + compatible = "nvidia,tegra194-carmel", "arm,armv8"; + device_type = "cpu"; + reg = <0x10000>; + }; + + cpu at 1 { + compatible = "nvidia,tegra194-carmel", "arm,armv8"; + device_type = "cpu"; + reg = <0x10001>; + }; + + cpu at 2 { + compatible = "nvidia,tegra194-carmel", "arm,armv8"; + device_type = "cpu"; + reg = <0x100>; + }; + + cpu at 3 { + compatible = "nvidia,tegra194-carmel", "arm,armv8"; + device_type = "cpu"; + reg = <0x101>; + }; + + cpu at 4 { + compatible = "nvidia,tegra194-carmel", "arm,armv8"; + device_type = "cpu"; + reg = <0x200>; + }; + + cpu at 5 { + compatible = "nvidia,tegra194-carmel", "arm,armv8"; + device_type = "cpu"; + reg = <0x201>; + }; + + cpu at 6 { + compatible = "nvidia,tegra194-carmel", "arm,armv8"; + device_type = "cpu"; + reg = <0x10300>; + }; + + cpu at 7 { + compatible = "nvidia,tegra194-carmel", "arm,armv8"; + device_type = "cpu"; + reg = <0x10301>; + }; + }; + timer { compatible = "arm,armv8-timer"; interrupts =