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Wed, 03 Mar 2021 22:08:21 -0800 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 4 Mar 2021 06:08:20 +0000 Received: from skomatineni-linux.nvidia.com (172.20.145.6) by mail.nvidia.com (172.20.187.10) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 4 Mar 2021 06:08:20 +0000 From: Sowjanya Komatineni To: , , , , CC: , , , , , Subject: [PATCH v1 5/5] arm64: dts: tegra194: Add CPU idle states Date: Wed, 3 Mar 2021 22:08:12 -0800 Message-ID: <1614838092-30398-6-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1614838092-30398-1-git-send-email-skomatineni@nvidia.com> References: <1614838092-30398-1-git-send-email-skomatineni@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1614838101; bh=RzsRJmF/fyXlMNdfcnWNDfADO93LDhVHrFuKPCvUYIY=; h=From:To:CC:Subject:Date:Message-ID:X-Mailer:In-Reply-To: References:X-NVConfidentiality:MIME-Version:Content-Type; b=AnvZFBIIXacAaimPcUM/bxF8QJBfikH/qg3ymiHv6yiRdkcDIqzbGM+rWJ/9T9mD0 8O921BI+nIfkbf+qhLilZeW9/97Iwp/rHu8zQQzTmBdREUSzcVlySlrKjdSHau0h++ Rxt7STuDiIJK1J+U9xdsU9UBVtg6liBr78m6MhY3OfLZu/WCPBBbjveKqeZIz6agSH mK/g4U3E2MnXeda/U4mMnBBUSP+/XyWSwfCfAbGuZPKdrRDrxM6Sk2hZWbLEWn/ypT n9njpPu8U97bHrhuH3vSbKYTBbVftESmMWI6dvFuYbc41e7Hj1D3O8Sq1MP8MF8OBZ pJtcycV91fIdw== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds CPU core and cluster idle states to Tegra194 device tree Signed-off-by: Sowjanya Komatineni --- arch/arm64/boot/dts/nvidia/tegra194.dtsi | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index 9449156..f9c2731 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -2155,12 +2155,14 @@ nvidia,bpmp = <&bpmp>; #address-cells = <1>; #size-cells = <0>; + cluster-deepest-power-state = <0x6>; cpu0_0: cpu@0 { compatible = "nvidia,tegra194-carmel"; device_type = "cpu"; reg = <0x000>; enable-method = "psci"; + cpu-idle-states = <&C6>; i-cache-size = <131072>; i-cache-line-size = <64>; i-cache-sets = <512>; @@ -2175,6 +2177,7 @@ device_type = "cpu"; reg = <0x001>; enable-method = "psci"; + cpu-idle-states = <&C6>; i-cache-size = <131072>; i-cache-line-size = <64>; i-cache-sets = <512>; @@ -2189,6 +2192,7 @@ device_type = "cpu"; reg = <0x100>; enable-method = "psci"; + cpu-idle-states = <&C6>; i-cache-size = <131072>; i-cache-line-size = <64>; i-cache-sets = <512>; @@ -2203,6 +2207,7 @@ device_type = "cpu"; reg = <0x101>; enable-method = "psci"; + cpu-idle-states = <&C6>; i-cache-size = <131072>; i-cache-line-size = <64>; i-cache-sets = <512>; @@ -2217,6 +2222,7 @@ device_type = "cpu"; reg = <0x200>; enable-method = "psci"; + cpu-idle-states = <&C6>; i-cache-size = <131072>; i-cache-line-size = <64>; i-cache-sets = <512>; @@ -2231,6 +2237,7 @@ device_type = "cpu"; reg = <0x201>; enable-method = "psci"; + cpu-idle-states = <&C6>; i-cache-size = <131072>; i-cache-line-size = <64>; i-cache-sets = <512>; @@ -2245,6 +2252,7 @@ device_type = "cpu"; reg = <0x300>; enable-method = "psci"; + cpu-idle-states = <&C6>; i-cache-size = <131072>; i-cache-line-size = <64>; i-cache-sets = <512>; @@ -2259,6 +2267,7 @@ device_type = "cpu"; reg = <0x301>; enable-method = "psci"; + cpu-idle-states = <&C6>; i-cache-size = <131072>; i-cache-line-size = <64>; i-cache-sets = <512>; @@ -2343,12 +2352,31 @@ cache-line-size = <64>; cache-sets = <4096>; }; + + cpu_core_power_states { + C6: c6 { + compatible = "nvidia,tegra194-cpuidle-core"; + idle-state-name = "CPU powergated, state retained"; + wakeup-latency-us = <2000>; + min-residency-us = <30000>; + arm,psci-suspend-param = <0x6>; + status = "okay"; + }; + }; + + cpu_crossover_thresholds { + thresholds { + crossover_c1_c6 = <30000>; + crossover_cc1_cc6 = <80000>; + }; + }; }; psci { compatible = "arm,psci-1.0"; status = "okay"; method = "smc"; + cpu_suspend = <0xC4000001>; }; sound { -- 2.7.4