From: Bartosz Golaszewski <brgl@bgdev.pl> To: Sekhar Nori <nsekhar@ti.com>, Kevin Hilman <khilman@kernel.org>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, David Lechner <david@lechnology.com>, Adam Ford <aford173@gmail.com> Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski <bgolaszewski@baylibre.com> Subject: [PATCH v5 1/5] ARM: dts: da850: add cpu node and operating points to DT Date: Wed, 17 Apr 2019 17:26:57 +0200 [thread overview] Message-ID: <20190417152701.23391-2-brgl@bgdev.pl> (raw) In-Reply-To: <20190417152701.23391-1-brgl@bgdev.pl> From: David Lechner <david@lechnology.com> This adds a cpu node and operating points to the common da850.dtsi file. All operating points above 300MHz are disabled by default. Regulators need to be hooked up on a per-board basis. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> --- arch/arm/boot/dts/da850.dtsi | 50 ++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi index 559659b399d0..0c9a8e78f748 100644 --- a/arch/arm/boot/dts/da850.dtsi +++ b/arch/arm/boot/dts/da850.dtsi @@ -20,6 +20,56 @@ reg = <0xc0000000 0x0>; }; + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu: cpu@0 { + compatible = "arm,arm926ej-s"; + device_type = "cpu"; + reg = <0>; + clocks = <&psc0 14>; + operating-points-v2 = <&opp_table>; + }; + }; + + opp_table: opp-table { + compatible = "operating-points-v2"; + + opp_100: opp100-100000000 { + opp-hz = /bits/ 64 <100000000>; + opp-microvolt = <1000000 950000 1050000>; + }; + + opp_200: opp110-200000000 { + opp-hz = /bits/ 64 <200000000>; + opp-microvolt = <1100000 1050000 1160000>; + }; + + opp_300: opp120-300000000 { + opp-hz = /bits/ 64 <300000000>; + opp-microvolt = <1200000 1140000 1320000>; + }; + + /* + * Original silicon was 300MHz max, so higher frequencies + * need to be enabled on a per-board basis if the chip is + * capable. + */ + + opp_375: opp120-375000000 { + status = "disabled"; + opp-hz = /bits/ 64 <375000000>; + opp-microvolt = <1200000 1140000 1320000>; + }; + + opp_456: opp130-456000000 { + status = "disabled"; + opp-hz = /bits/ 64 <456000000>; + opp-microvolt = <1300000 1250000 1350000>; + }; + }; + arm { #address-cells = <1>; #size-cells = <1>; -- 2.21.0
WARNING: multiple messages have this Message-ID (diff)
From: Bartosz Golaszewski <brgl@bgdev.pl> To: Sekhar Nori <nsekhar@ti.com>, Kevin Hilman <khilman@kernel.org>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, David Lechner <david@lechnology.com>, Adam Ford <aford173@gmail.com> Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Bartosz Golaszewski <bgolaszewski@baylibre.com> Subject: [PATCH v5 1/5] ARM: dts: da850: add cpu node and operating points to DT Date: Wed, 17 Apr 2019 17:26:57 +0200 [thread overview] Message-ID: <20190417152701.23391-2-brgl@bgdev.pl> (raw) In-Reply-To: <20190417152701.23391-1-brgl@bgdev.pl> From: David Lechner <david@lechnology.com> This adds a cpu node and operating points to the common da850.dtsi file. All operating points above 300MHz are disabled by default. Regulators need to be hooked up on a per-board basis. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> --- arch/arm/boot/dts/da850.dtsi | 50 ++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi index 559659b399d0..0c9a8e78f748 100644 --- a/arch/arm/boot/dts/da850.dtsi +++ b/arch/arm/boot/dts/da850.dtsi @@ -20,6 +20,56 @@ reg = <0xc0000000 0x0>; }; + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu: cpu@0 { + compatible = "arm,arm926ej-s"; + device_type = "cpu"; + reg = <0>; + clocks = <&psc0 14>; + operating-points-v2 = <&opp_table>; + }; + }; + + opp_table: opp-table { + compatible = "operating-points-v2"; + + opp_100: opp100-100000000 { + opp-hz = /bits/ 64 <100000000>; + opp-microvolt = <1000000 950000 1050000>; + }; + + opp_200: opp110-200000000 { + opp-hz = /bits/ 64 <200000000>; + opp-microvolt = <1100000 1050000 1160000>; + }; + + opp_300: opp120-300000000 { + opp-hz = /bits/ 64 <300000000>; + opp-microvolt = <1200000 1140000 1320000>; + }; + + /* + * Original silicon was 300MHz max, so higher frequencies + * need to be enabled on a per-board basis if the chip is + * capable. + */ + + opp_375: opp120-375000000 { + status = "disabled"; + opp-hz = /bits/ 64 <375000000>; + opp-microvolt = <1200000 1140000 1320000>; + }; + + opp_456: opp130-456000000 { + status = "disabled"; + opp-hz = /bits/ 64 <456000000>; + opp-microvolt = <1300000 1250000 1350000>; + }; + }; + arm { #address-cells = <1>; #size-cells = <1>; -- 2.21.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-04-17 15:27 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-04-17 15:26 [PATCH v5 0/5] ARM: da850: enable cpufreq in DT mode Bartosz Golaszewski 2019-04-17 15:26 ` Bartosz Golaszewski 2019-04-17 15:26 ` Bartosz Golaszewski [this message] 2019-04-17 15:26 ` [PATCH v5 1/5] ARM: dts: da850: add cpu node and operating points to DT Bartosz Golaszewski 2019-04-17 15:26 ` [PATCH v5 2/5] ARM: dts: da850-lego-ev3: enable cpufreq Bartosz Golaszewski 2019-04-17 15:26 ` Bartosz Golaszewski 2019-04-17 15:26 ` [PATCH v5 3/5] ARM: dts: da850-lcdk: " Bartosz Golaszewski 2019-04-17 15:26 ` Bartosz Golaszewski 2019-04-17 15:27 ` [PATCH v5 4/5] ARM: dts: da850-evm: " Bartosz Golaszewski 2019-04-17 15:27 ` Bartosz Golaszewski 2019-04-17 17:09 ` Adam Ford 2019-04-17 17:09 ` Adam Ford 2019-04-23 9:15 ` Bartosz Golaszewski 2019-04-23 9:15 ` Bartosz Golaszewski 2019-05-24 16:58 ` Bartosz Golaszewski 2019-05-24 16:58 ` Bartosz Golaszewski 2019-04-17 15:27 ` [PATCH v5 5/5] ARM: davinci_all_defconfig: Enable CPUFREQ_DT Bartosz Golaszewski 2019-04-17 15:27 ` Bartosz Golaszewski
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