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[109.252.193.186]) by smtp.gmail.com with ESMTPSA id k13sm932423ljh.136.2020.10.25.15.18.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 Oct 2020 15:18:17 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Georgi Djakov , Rob Herring , Michael Turquette , Stephen Boyd , Peter De Schrijver , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Mikko Perttunen , Viresh Kumar , Peter Geis , Nicolas Chauvet , Krzysztof Kozlowski Cc: linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org Subject: [PATCH v6 26/52] ARM: tegra: Add DVFS properties to Tegra30 EMC and ACTMON device-tree nodes Date: Mon, 26 Oct 2020 01:17:09 +0300 Message-Id: <20201025221735.3062-27-digetx@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201025221735.3062-1-digetx@gmail.com> References: <20201025221735.3062-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add EMC OPP DVFS/DFS tables and interconnect paths that will be used for dynamic memory bandwidth scaling based on memory utilization statistics. Update board device-trees with optional EMC core supply and remove unsupported OPPs. Note that ACTMON watches all memory interconnect paths, but we use a single CPU-READ interconnect path for driving memory bandwidth, for simplicity. Signed-off-by: Dmitry Osipenko --- .../tegra30-asus-nexus7-grouper-common.dtsi | 16 + .../arm/boot/dts/tegra30-peripherals-opp.dtsi | 383 ++++++++++++++++++ arch/arm/boot/dts/tegra30.dtsi | 6 + 3 files changed, 405 insertions(+) create mode 100644 arch/arm/boot/dts/tegra30-peripherals-opp.dtsi diff --git a/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi b/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi index 88ca03f57b3b..8758bd39e0db 100644 --- a/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi +++ b/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi @@ -956,6 +956,22 @@ pmc@7000e400 { nvidia,sys-clock-req-active-high; }; + emc_opp_table0 { + /delete-node/ opp@750000000,1300; + /delete-node/ opp@800000000,1300; + /delete-node/ opp@900000000,1350; + }; + + emc_opp_table1 { + /delete-node/ opp@750000000; + /delete-node/ opp@800000000; + /delete-node/ opp@900000000; + }; + + memory-controller@7000f400 { + core-supply = <&vdd_core>; + }; + ahub@70080000 { i2s@70080400 { status = "okay"; diff --git a/arch/arm/boot/dts/tegra30-peripherals-opp.dtsi b/arch/arm/boot/dts/tegra30-peripherals-opp.dtsi new file mode 100644 index 000000000000..a6e171f65f6c --- /dev/null +++ b/arch/arm/boot/dts/tegra30-peripherals-opp.dtsi @@ -0,0 +1,383 @@ +// SPDX-License-Identifier: GPL-2.0 + +/ { + emc_icc_dvfs_opp_table: emc_opp_table0 { + compatible = "operating-points-v2"; + + opp@12750000,950 { + opp-microvolt = <950000 950000 1350000>; + opp-hz = /bits/ 64 <12750000>; + opp-supported-hw = <0x0006>; + }; + + opp@12750000,1000 { + opp-microvolt = <1000000 1000000 1350000>; + opp-hz = /bits/ 64 <12750000>; + opp-supported-hw = <0x0001>; + }; + + opp@12750000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <12750000>; + opp-supported-hw = <0x0008>; + }; + + opp@25500000,950 { + opp-microvolt = <950000 950000 1350000>; + opp-hz = /bits/ 64 <25500000>; + opp-supported-hw = <0x0006>; + }; + + opp@25500000,1000 { + opp-microvolt = <1000000 1000000 1350000>; + opp-hz = /bits/ 64 <25500000>; + opp-supported-hw = <0x0001>; + }; + + opp@25500000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <25500000>; + opp-supported-hw = <0x0008>; + }; + + opp@27000000,950 { + opp-microvolt = <950000 950000 1350000>; + opp-hz = /bits/ 64 <27000000>; + opp-supported-hw = <0x0006>; + }; + + opp@27000000,1000 { + opp-microvolt = <1000000 1000000 1350000>; + opp-hz = /bits/ 64 <27000000>; + opp-supported-hw = <0x0001>; + }; + + opp@27000000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <27000000>; + opp-supported-hw = <0x0008>; + }; + + opp@51000000,950 { + opp-microvolt = <950000 950000 1350000>; + opp-hz = /bits/ 64 <51000000>; + opp-supported-hw = <0x0006>; + }; + + opp@51000000,1000 { + opp-microvolt = <1000000 1000000 1350000>; + opp-hz = /bits/ 64 <51000000>; + opp-supported-hw = <0x0001>; + }; + + opp@51000000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <51000000>; + opp-supported-hw = <0x0008>; + }; + + opp@54000000,950 { + opp-microvolt = <950000 950000 1350000>; + opp-hz = /bits/ 64 <54000000>; + opp-supported-hw = <0x0006>; + }; + + opp@54000000,1000 { + opp-microvolt = <1000000 1000000 1350000>; + opp-hz = /bits/ 64 <54000000>; + opp-supported-hw = <0x0001>; + }; + + opp@54000000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <54000000>; + opp-supported-hw = <0x0008>; + }; + + opp@102000000,950 { + opp-microvolt = <950000 950000 1350000>; + opp-hz = /bits/ 64 <102000000>; + opp-supported-hw = <0x0006>; + }; + + opp@102000000,1000 { + opp-microvolt = <1000000 1000000 1350000>; + opp-hz = /bits/ 64 <102000000>; + opp-supported-hw = <0x0001>; + }; + + opp@102000000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <102000000>; + opp-supported-hw = <0x0008>; + }; + + opp@108000000,1000 { + opp-microvolt = <1000000 1000000 1350000>; + opp-hz = /bits/ 64 <108000000>; + opp-supported-hw = <0x0007>; + }; + + opp@108000000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <108000000>; + opp-supported-hw = <0x0008>; + }; + + opp@204000000,1000 { + opp-microvolt = <1000000 1000000 1350000>; + opp-hz = /bits/ 64 <204000000>; + opp-supported-hw = <0x0007>; + }; + + opp@204000000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <204000000>; + opp-supported-hw = <0x0008>; + }; + + opp@333500000,1000 { + opp-microvolt = <1000000 1000000 1350000>; + opp-hz = /bits/ 64 <333500000>; + opp-supported-hw = <0x0006>; + }; + + opp@333500000,1200 { + opp-microvolt = <1200000 1200000 1350000>; + opp-hz = /bits/ 64 <333500000>; + opp-supported-hw = <0x0001>; + }; + + opp@333500000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <333500000>; + opp-supported-hw = <0x0008>; + }; + + opp@375000000,1000 { + opp-microvolt = <1000000 1000000 1350000>; + opp-hz = /bits/ 64 <375000000>; + opp-supported-hw = <0x0006>; + }; + + opp@375000000,1200 { + opp-microvolt = <1200000 1200000 1350000>; + opp-hz = /bits/ 64 <375000000>; + opp-supported-hw = <0x0001>; + }; + + opp@375000000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <375000000>; + opp-supported-hw = <0x0008>; + }; + + opp@400000000,1000 { + opp-microvolt = <1000000 1000000 1350000>; + opp-hz = /bits/ 64 <400000000>; + opp-supported-hw = <0x0006>; + }; + + opp@400000000,1200 { + opp-microvolt = <1200000 1200000 1350000>; + opp-hz = /bits/ 64 <400000000>; + opp-supported-hw = <0x0001>; + }; + + opp@400000000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <400000000>; + opp-supported-hw = <0x0008>; + }; + + opp@416000000,1200 { + opp-microvolt = <1200000 1200000 1350000>; + opp-hz = /bits/ 64 <416000000>; + opp-supported-hw = <0x0007>; + }; + + opp@416000000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <416000000>; + opp-supported-hw = <0x0008>; + }; + + opp@450000000,1200 { + opp-microvolt = <1200000 1200000 1350000>; + opp-hz = /bits/ 64 <450000000>; + opp-supported-hw = <0x0007>; + }; + + opp@450000000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <450000000>; + opp-supported-hw = <0x0008>; + }; + + opp@533000000,1200 { + opp-microvolt = <1200000 1200000 1350000>; + opp-hz = /bits/ 64 <533000000>; + opp-supported-hw = <0x0007>; + }; + + opp@533000000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <533000000>; + opp-supported-hw = <0x0008>; + }; + + opp@625000000,1200 { + opp-microvolt = <1200000 1200000 1350000>; + opp-hz = /bits/ 64 <625000000>; + opp-supported-hw = <0x0006>; + }; + + opp@625000000,1250 { + opp-microvolt = <1250000 1250000 1350000>; + opp-hz = /bits/ 64 <625000000>; + opp-supported-hw = <0x0008>; + }; + + opp@667000000,1200 { + opp-microvolt = <1200000 1200000 1350000>; + opp-hz = /bits/ 64 <667000000>; + opp-supported-hw = <0x0006>; + }; + + opp@750000000,1300 { + opp-microvolt = <1300000 1300000 1350000>; + opp-hz = /bits/ 64 <750000000>; + opp-supported-hw = <0x0004>; + }; + + opp@800000000,1300 { + opp-microvolt = <1300000 1300000 1350000>; + opp-hz = /bits/ 64 <800000000>; + opp-supported-hw = <0x0004>; + }; + + opp@900000000,1350 { + opp-microvolt = <1350000 1350000 1350000>; + opp-hz = /bits/ 64 <900000000>; + opp-supported-hw = <0x0004>; + }; + }; + + emc_bw_dfs_opp_table: emc_opp_table1 { + compatible = "operating-points-v2"; + + opp@12750000 { + opp-hz = /bits/ 64 <12750000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <102000>; + }; + + opp@25500000 { + opp-hz = /bits/ 64 <25500000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <204000>; + }; + + opp@27000000 { + opp-hz = /bits/ 64 <27000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <216000>; + }; + + opp@51000000 { + opp-hz = /bits/ 64 <51000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <408000>; + }; + + opp@54000000 { + opp-hz = /bits/ 64 <54000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <432000>; + }; + + opp@102000000 { + opp-hz = /bits/ 64 <102000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <816000>; + }; + + opp@108000000 { + opp-hz = /bits/ 64 <108000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <864000>; + }; + + opp@204000000 { + opp-hz = /bits/ 64 <204000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <1632000>; + }; + + opp@333500000 { + opp-hz = /bits/ 64 <333500000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <2668000>; + }; + + opp@375000000 { + opp-hz = /bits/ 64 <375000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <3000000>; + }; + + opp@400000000 { + opp-hz = /bits/ 64 <400000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <3200000>; + }; + + opp@416000000 { + opp-hz = /bits/ 64 <416000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <3328000>; + }; + + opp@450000000 { + opp-hz = /bits/ 64 <450000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <3600000>; + }; + + opp@533000000 { + opp-hz = /bits/ 64 <533000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <4264000>; + }; + + opp@625000000 { + opp-hz = /bits/ 64 <625000000>; + opp-supported-hw = <0x000E>; + opp-peak-kBps = <5000000>; + }; + + opp@667000000 { + opp-hz = /bits/ 64 <667000000>; + opp-supported-hw = <0x0006>; + opp-peak-kBps = <5336000>; + }; + + opp@750000000 { + opp-hz = /bits/ 64 <750000000>; + opp-supported-hw = <0x0004>; + opp-peak-kBps = <6000000>; + }; + + opp@800000000 { + opp-hz = /bits/ 64 <800000000>; + opp-supported-hw = <0x0004>; + opp-peak-kBps = <6400000>; + }; + + opp@900000000 { + opp-hz = /bits/ 64 <900000000>; + opp-supported-hw = <0x0004>; + opp-peak-kBps = <7200000>; + }; + }; +}; diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi index 2caf6cc6f4b1..44a6dbba7081 100644 --- a/arch/arm/boot/dts/tegra30.dtsi +++ b/arch/arm/boot/dts/tegra30.dtsi @@ -6,6 +6,8 @@ #include #include +#include "tegra30-peripherals-opp.dtsi" + / { compatible = "nvidia,tegra30"; interrupt-parent = <&lic>; @@ -417,6 +419,9 @@ actmon@6000c800 { clock-names = "actmon", "emc"; resets = <&tegra_car TEGRA30_CLK_ACTMON>; reset-names = "actmon"; + operating-points-v2 = <&emc_bw_dfs_opp_table>; + interconnects = <&mc TEGRA30_MC_MPCORER &emc>; + interconnect-names = "cpu-read"; }; gpio: gpio@6000d000 { @@ -780,6 +785,7 @@ emc: memory-controller@7000f400 { clocks = <&tegra_car TEGRA30_CLK_EMC>; nvidia,memory-controller = <&mc>; + operating-points-v2 = <&emc_icc_dvfs_opp_table>; #interconnect-cells = <0>; };