From: "pi-cheng.chen" <pi-cheng.chen@linaro.org> To: Viresh Kumar <viresh.kumar@linaro.org>, Matthias Brugger <matthias.bgg@gmail.com>, Rob Herring <robh+dt@kernel.org>, "Rafael J. Wysocki" <rjw@rjwysocki.net>, Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Pawel Moll <pawel.moll@arm.com>, Mark Rutland <mark.rutland@arm.com>, Ian Campbell <ijc+devicetree@hellion.org.uk>, Kumar Gala <galak@codeaurora.org>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, "pi-cheng.chen" <pi-cheng.chen@linaro.org>, "Joe.C" <yingjoe.chen@mediatek.com>, Eddie Huang <eddie.huang@mediatek.com>, Howard Chen <ibanezchen@gmail.com>, Ashwin Chaugule <ashwin.chaugule@linaro.org>, Mike Turquette <mturquette@linaro.org>, fan.chen@mediatek.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linaro-kernel@lists.linaro.org, linux-mediatek@lists.infradead.org Subject: [PATCH v2 4/4] ARM64: dts: mediatek: add cpufreq dts for MT8173 SoC Date: Wed, 4 Mar 2015 16:49:16 +0800 [thread overview] Message-ID: <1425458956-20665-5-git-send-email-pi-cheng.chen@linaro.org> (raw) In-Reply-To: <1425458956-20665-1-git-send-email-pi-cheng.chen@linaro.org> This patch illustrates how to enable mtk-cpufreq driver for a Mediatek SoC in device tree using MT8173 as an example. This patch was tested on MT8173 EVB with several patches which are not yet posted on public mailing list. Signed-off-by: pi-cheng.chen <pi-cheng.chen@linaro.org> --- arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 10 ++++++++++ arch/arm64/boot/dts/mediatek/mt8173.dtsi | 25 +++++++++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts index b57f095..cc3b954 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts +++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts @@ -417,3 +417,13 @@ status = "okay"; clock-frequency = <100000>; }; + +&cpu0 { + cpu-supply = <&mt6397_vpca15_reg>; + voltage-tolerance = <1>; +}; + +&cpu2 { + proc-supply = <&da9211_vcpu_reg>; + sram-supply = <&mt6397_vsramca7_reg>; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi index dd0a445..4ad75a6 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -51,6 +51,16 @@ device_type = "cpu"; compatible = "arm,cortex-a53"; reg = <0x000>; + clocks = <&infracfg INFRA_CA53SEL>; + operating-points = < + 1508000 1109000 + 1404000 1083000 + 1183000 1028000 + 1105000 1009000 + 1001000 983000 + 702000 908000 + 507000 859000 + >; }; cpu1: cpu@1 { @@ -65,6 +75,16 @@ compatible = "arm,cortex-a57"; reg = <0x100>; enable-method = "psci"; + clocks = <&infracfg INFRA_CA57SEL>; + operating-points = < + 1807000 1089000 + 1612000 1049000 + 1404000 1007000 + 1209000 968000 + 1001000 927000 + 702000 867000 + 507000 828000 + >; }; cpu3: cpu@101 { @@ -75,6 +95,11 @@ }; }; + cpufreq { + compatible = "mediatek,mtk-cpufreq"; + clocks = <&apmixedsys APMIXED_MAINPLL>; + }; + psci { compatible = "arm,psci"; method = "smc"; -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: pi-cheng.chen@linaro.org (pi-cheng.chen) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 4/4] ARM64: dts: mediatek: add cpufreq dts for MT8173 SoC Date: Wed, 4 Mar 2015 16:49:16 +0800 [thread overview] Message-ID: <1425458956-20665-5-git-send-email-pi-cheng.chen@linaro.org> (raw) In-Reply-To: <1425458956-20665-1-git-send-email-pi-cheng.chen@linaro.org> This patch illustrates how to enable mtk-cpufreq driver for a Mediatek SoC in device tree using MT8173 as an example. This patch was tested on MT8173 EVB with several patches which are not yet posted on public mailing list. Signed-off-by: pi-cheng.chen <pi-cheng.chen@linaro.org> --- arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 10 ++++++++++ arch/arm64/boot/dts/mediatek/mt8173.dtsi | 25 +++++++++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts index b57f095..cc3b954 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts +++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts @@ -417,3 +417,13 @@ status = "okay"; clock-frequency = <100000>; }; + +&cpu0 { + cpu-supply = <&mt6397_vpca15_reg>; + voltage-tolerance = <1>; +}; + +&cpu2 { + proc-supply = <&da9211_vcpu_reg>; + sram-supply = <&mt6397_vsramca7_reg>; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi index dd0a445..4ad75a6 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -51,6 +51,16 @@ device_type = "cpu"; compatible = "arm,cortex-a53"; reg = <0x000>; + clocks = <&infracfg INFRA_CA53SEL>; + operating-points = < + 1508000 1109000 + 1404000 1083000 + 1183000 1028000 + 1105000 1009000 + 1001000 983000 + 702000 908000 + 507000 859000 + >; }; cpu1: cpu at 1 { @@ -65,6 +75,16 @@ compatible = "arm,cortex-a57"; reg = <0x100>; enable-method = "psci"; + clocks = <&infracfg INFRA_CA57SEL>; + operating-points = < + 1807000 1089000 + 1612000 1049000 + 1404000 1007000 + 1209000 968000 + 1001000 927000 + 702000 867000 + 507000 828000 + >; }; cpu3: cpu at 101 { @@ -75,6 +95,11 @@ }; }; + cpufreq { + compatible = "mediatek,mtk-cpufreq"; + clocks = <&apmixedsys APMIXED_MAINPLL>; + }; + psci { compatible = "arm,psci"; method = "smc"; -- 1.9.1
next prev parent reply other threads:[~2015-03-04 8:50 UTC|newest] Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-03-04 8:49 [PATCH v2 0/4] cpufreq: add cpufreq driver for Mediatek MT8173 SoC pi-cheng.chen 2015-03-04 8:49 ` pi-cheng.chen 2015-03-04 8:49 ` [PATCH v2 1/4] cpufreq-dt: add clock domain and intermediate frequency support pi-cheng.chen 2015-03-04 8:49 ` pi-cheng.chen 2015-03-04 8:49 ` pi-cheng.chen 2015-03-04 10:15 ` Viresh Kumar 2015-03-04 10:15 ` Viresh Kumar 2015-03-04 10:15 ` Viresh Kumar 2015-03-04 10:17 ` Viresh Kumar 2015-03-04 10:17 ` Viresh Kumar 2015-03-04 10:17 ` Viresh Kumar 2015-03-05 3:32 ` Pi-Cheng Chen 2015-03-05 3:32 ` Pi-Cheng Chen 2015-03-05 3:32 ` Pi-Cheng Chen 2015-03-05 3:58 ` Viresh Kumar 2015-03-05 3:58 ` Viresh Kumar 2015-03-05 3:58 ` Viresh Kumar 2015-03-05 7:28 ` Pi-Cheng Chen 2015-03-05 7:28 ` Pi-Cheng Chen 2015-03-05 7:28 ` Pi-Cheng Chen 2015-03-04 8:49 ` [PATCH v2 2/4] cpufreq: dt-bindings: add bindings for mtk-cpufreq driver pi-cheng.chen 2015-03-04 8:49 ` pi-cheng.chen 2015-03-04 10:29 ` Viresh Kumar 2015-03-04 10:29 ` Viresh Kumar 2015-03-04 10:29 ` Viresh Kumar 2015-03-04 8:49 ` [PATCH v2 3/4] cpufreq: mediatek: add Mediatek cpufreq driver pi-cheng.chen 2015-03-04 8:49 ` pi-cheng.chen 2015-03-04 11:09 ` Viresh Kumar 2015-03-04 11:09 ` Viresh Kumar 2015-03-04 11:09 ` Viresh Kumar 2015-03-05 7:27 ` Pi-Cheng Chen 2015-03-05 7:27 ` Pi-Cheng Chen 2015-03-05 7:27 ` Pi-Cheng Chen 2015-03-05 9:55 ` Viresh Kumar 2015-03-05 9:55 ` Viresh Kumar 2015-03-05 9:55 ` Viresh Kumar 2015-03-06 5:49 ` Pi-Cheng Chen 2015-03-06 5:49 ` Pi-Cheng Chen 2015-03-06 5:49 ` Pi-Cheng Chen 2015-03-10 2:50 ` Viresh Kumar 2015-03-10 2:50 ` Viresh Kumar 2015-03-10 2:50 ` Viresh Kumar 2015-03-11 10:53 ` Mark Brown 2015-03-11 10:53 ` Mark Brown 2015-03-11 10:53 ` Mark Brown 2015-03-11 11:03 ` Viresh Kumar 2015-03-11 11:03 ` Viresh Kumar 2015-03-11 11:03 ` Viresh Kumar 2015-03-11 11:42 ` Lucas Stach 2015-03-11 11:42 ` Lucas Stach 2015-03-11 11:42 ` Lucas Stach 2015-03-11 11:46 ` Viresh Kumar 2015-03-11 11:46 ` Viresh Kumar 2015-03-11 11:46 ` Viresh Kumar 2015-03-11 12:46 ` Mark Brown 2015-03-11 12:46 ` Mark Brown 2015-03-11 12:46 ` Mark Brown 2015-03-11 12:45 ` Mark Brown 2015-03-11 12:45 ` Mark Brown 2015-03-11 12:45 ` Mark Brown 2015-03-12 9:28 ` Viresh Kumar 2015-03-12 9:28 ` Viresh Kumar 2015-03-12 9:28 ` Viresh Kumar 2015-03-12 11:15 ` Pi-Cheng Chen 2015-03-12 11:15 ` Pi-Cheng Chen 2015-03-12 11:15 ` Pi-Cheng Chen 2015-03-18 6:59 ` Viresh Kumar 2015-03-18 6:59 ` Viresh Kumar 2015-03-18 6:59 ` Viresh Kumar 2015-03-09 16:28 ` Russell King - ARM Linux 2015-03-09 16:28 ` Russell King - ARM Linux 2015-03-10 1:57 ` Pi-Cheng Chen 2015-03-10 1:57 ` Pi-Cheng Chen 2015-03-10 1:57 ` Pi-Cheng Chen 2015-03-04 8:49 ` pi-cheng.chen [this message] 2015-03-04 8:49 ` [PATCH v2 4/4] ARM64: dts: mediatek: add cpufreq dts for MT8173 SoC pi-cheng.chen
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