From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lukasz Majewski Subject: Re: [PATCH 2/5] ARM: dts: am335x-boneblack: Enable 1GHz OPP for cpu Date: Mon, 6 Mar 2017 17:01:51 +0100 Message-ID: <20170306170151.0bb30576@jawa> References: <1488813822-26042-1-git-send-email-d-gerlach@ti.com> <1488813822-26042-3-git-send-email-d-gerlach@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1488813822-26042-3-git-send-email-d-gerlach@ti.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Dave Gerlach Cc: Nishanth Menon , devicetree@vger.kernel.org, linux-pm@vger.kernel.org, Tony Lindgren , Viresh Kumar , Yegor Yefremov , Rob Herring , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org On Mon, 6 Mar 2017 09:23:39 -0600 Dave Gerlach wrote: > Although all PG2.0 silicon may not support 1GHz OPP for the MPU, older > Beaglebone Blacks may have PG2.0 silicon populated and these > particular parts are guaranteed to support the OPP, so enable it for > PG2.0 on am335x-boneblack only. > > Signed-off-by: Dave Gerlach Reviewed-by: Lukasz Majewski > --- > arch/arm/boot/dts/am335x-boneblack.dts | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/arch/arm/boot/dts/am335x-boneblack.dts > b/arch/arm/boot/dts/am335x-boneblack.dts index > 77273df1a028..935ed17d22e4 100644 --- > a/arch/arm/boot/dts/am335x-boneblack.dts +++ > b/arch/arm/boot/dts/am335x-boneblack.dts @@ -15,3 +15,14 @@ > model = "TI AM335x BeagleBone Black"; > compatible = "ti,am335x-bone-black", "ti,am335x-bone", > "ti,am33xx"; }; > + > +&cpu0_opp_table { > + /* > + * All PG 2.0 silicon may not support 1GHz but some of the > early > + * BeagleBone Blacks have PG 2.0 silicon which is guaranteed > + * to support 1GHz OPP so enable it for PG 2.0 on this board. > + */ > + oppnitro@1000000000 { > + opp-supported-hw = <0x06 0x0100>; > + }; > +}; Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de