From mboxrd@z Thu Jan 1 00:00:00 1970 From: lukma@denx.de (Lukasz Majewski) Date: Sat, 4 Feb 2017 00:06:15 +0100 Subject: [PATCH 2/2] DTS: dra7: Add "opp_high" opp node to support 1.5 GHz SoC operation In-Reply-To: References: <1486135491-14223-1-git-send-email-lukma@denx.de> <1486135491-14223-2-git-send-email-lukma@denx.de> Message-ID: <20170204000615.4417940f@jawa> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Nishanth, > On 02/03/2017 09:24 AM, Lukasz Majewski wrote: > > The "opp_high" property brings support for 1.5 GHz CPU frequency > > for TI's am57xx line of processors. > > > > Signed-off-by: Lukasz Majewski > > --- > > arch/arm/boot/dts/dra7.dtsi | 5 +++++ > > 1 file changed, 5 insertions(+) > > > > diff --git a/arch/arm/boot/dts/dra7.dtsi > > b/arch/arm/boot/dts/dra7.dtsi index a860a56..5e678cd 100644 > > --- a/arch/arm/boot/dts/dra7.dtsi > > +++ b/arch/arm/boot/dts/dra7.dtsi > > @@ -108,6 +108,11 @@ > > opp-hz = /bits/ 64 <1176000000>; > > opp-microvolt = <1160000 885000 1160000>; > > }; > > + > > + opp_high at 1500000000 { > > + opp-hz = /bits/ 64 <1500000000>; > > + opp-microvolt = <1210000 950000 1250000>; > > + }; > > }; > > > > /* > > > Please keep this out of the way till we get the AVS class0 integrated > in. devices wont be save at 1.5GHz without the opp powerdomain + AVS > Class0 implementation. > Yes, correct. My AM5728 works with this opp, but AM5718 hangs when this frequency is enabled. 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 at denx.de