From mboxrd@z Thu Jan 1 00:00:00 1970 From: d-gerlach@ti.com (Dave Gerlach) Date: Fri, 3 Feb 2017 10:56:57 -0600 Subject: [PATCH 2/2] DTS: dra7: Add "opp_high" opp node to support 1.5 GHz SoC operation In-Reply-To: <1486135491-14223-2-git-send-email-lukma@denx.de> References: <1486135491-14223-1-git-send-email-lukma@denx.de> <1486135491-14223-2-git-send-email-lukma@denx.de> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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(+) > This can't be blindly enabled for all am57xx SoCs, there is a forthcoming ti-cpufreq [1] driver that is needed that will decided which OPPs can and cannot be enabled for the specific variant in use. Regards, Dave [1] http://www.spinics.net/lists/devicetree/msg158967.html > 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>; > + }; > }; > > /* >