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[90.86.90.248]) by smtp.gmail.com with ESMTPSA id s18sm9964672wmc.41.2019.04.12.06.44.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 12 Apr 2019 06:44:43 -0700 (PDT) From: Bartosz Golaszewski To: Sekhar Nori , Kevin Hilman , Rob Herring , Mark Rutland , David Lechner , Adam Ford Subject: [PATCH v4 2/5] ARM: dts: da850-lego-ev3: enable cpufreq Date: Fri, 12 Apr 2019 15:44:34 +0200 Message-Id: <20190412134437.14864-3-brgl@bgdev.pl> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190412134437.14864-1-brgl@bgdev.pl> References: <20190412134437.14864-1-brgl@bgdev.pl> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190412_064445_764456_45FCFBC2 X-CRM114-Status: GOOD ( 12.84 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Bartosz Golaszewski Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: David Lechner Add a fixed regulator for the LEGO EV3 board along with board-specific CPU configuration. Signed-off-by: David Lechner Signed-off-by: Bartosz Golaszewski --- arch/arm/boot/dts/da850-lego-ev3.dts | 30 ++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm/boot/dts/da850-lego-ev3.dts b/arch/arm/boot/dts/da850-lego-ev3.dts index 66fcadf0ba91..553717f84483 100644 --- a/arch/arm/boot/dts/da850-lego-ev3.dts +++ b/arch/arm/boot/dts/da850-lego-ev3.dts @@ -125,6 +125,15 @@ amp-supply = <&>; }; + cvdd: regulator0 { + compatible = "regulator-fixed"; + regulator-name = "cvdd"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + regulator-boot-on; + }; + /* * This is a 5V current limiting regulator that is shared by USB, * the sensor (input) ports, the motor (output) ports and the A/DC. @@ -204,6 +213,27 @@ clock-frequency = <24000000>; }; +&cpu { + cpu-supply = <&cvdd>; +}; + +/* since we have a fixed regulator, we can't run at these points */ +&opp_100 { + status = "disabled"; +}; + +&opp_200 { + status = "disabled"; +}; + +/* + * The SoC is actually the 456MHz version, but because of the fixed regulator + * This is the fastest we can go. + */ +&opp_375 { + status = "okay"; +}; + &pmx_core { status = "okay"; -- 2.21.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartosz Golaszewski Subject: [PATCH v4 2/5] ARM: dts: da850-lego-ev3: enable cpufreq Date: Fri, 12 Apr 2019 15:44:34 +0200 Message-ID: <20190412134437.14864-3-brgl@bgdev.pl> References: <20190412134437.14864-1-brgl@bgdev.pl> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190412134437.14864-1-brgl@bgdev.pl> Sender: linux-kernel-owner@vger.kernel.org To: Sekhar Nori , Kevin Hilman , Rob Herring , Mark Rutland , David Lechner , Adam Ford Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski List-Id: devicetree@vger.kernel.org From: David Lechner Add a fixed regulator for the LEGO EV3 board along with board-specific CPU configuration. Signed-off-by: David Lechner Signed-off-by: Bartosz Golaszewski --- arch/arm/boot/dts/da850-lego-ev3.dts | 30 ++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm/boot/dts/da850-lego-ev3.dts b/arch/arm/boot/dts/da850-lego-ev3.dts index 66fcadf0ba91..553717f84483 100644 --- a/arch/arm/boot/dts/da850-lego-ev3.dts +++ b/arch/arm/boot/dts/da850-lego-ev3.dts @@ -125,6 +125,15 @@ amp-supply = <&>; }; + cvdd: regulator0 { + compatible = "regulator-fixed"; + regulator-name = "cvdd"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + regulator-boot-on; + }; + /* * This is a 5V current limiting regulator that is shared by USB, * the sensor (input) ports, the motor (output) ports and the A/DC. @@ -204,6 +213,27 @@ clock-frequency = <24000000>; }; +&cpu { + cpu-supply = <&cvdd>; +}; + +/* since we have a fixed regulator, we can't run at these points */ +&opp_100 { + status = "disabled"; +}; + +&opp_200 { + status = "disabled"; +}; + +/* + * The SoC is actually the 456MHz version, but because of the fixed regulator + * This is the fastest we can go. + */ +&opp_375 { + status = "okay"; +}; + &pmx_core { status = "okay"; -- 2.21.0