From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Subject: Re: [PATCH v2 1/8] ARM: dts: dra7: Initialize USB_DPLL Date: Mon, 10 Mar 2014 15:32:13 +0200 Message-ID: <531DBEDD.9050400@ti.com> References: <1394197751-28984-2-git-send-email-rogerq@ti.com> <1394455761-19226-1-git-send-email-rogerq@ti.com> <531DBE03.2070603@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <531DBE03.2070603@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: Tero Kristo , tony@atomide.com Cc: devicetree@vger.kernel.org, george.cherian@ti.com, Mike Turquette , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, balbi@ti.com, kishon@ti.com, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org On 03/10/2014 03:28 PM, Tero Kristo wrote: > On 03/10/2014 02:49 PM, Roger Quadros wrote: >> USB_DPLL must be initialized and locked at boot so that >> USB modules can work. >> >> Program USB_DLL_M2 output to half rate as well. >> >> Patch depends on >> https://www.mail-archive.com/linux-omap@vger.kernel.org/msg101300.html >> >> CC: Mike Turquette >> CC: Tero Kristo >> Signed-off-by: Roger Quadros >> --- >> arch/arm/boot/dts/dra7.dtsi | 8 ++++++++ >> 1 file changed, 8 insertions(+) >> >> diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi >> index 597979b..f376923 100644 >> --- a/arch/arm/boot/dts/dra7.dtsi >> +++ b/arch/arm/boot/dts/dra7.dtsi >> @@ -815,3 +815,11 @@ >> }; >> >> /include/ "dra7xx-clocks.dtsi" >> + >> +&dpll_usb_ck { >> + default-rate = <960000000>; >> +}; >> + >> +&dpll_usb_m2_ck { >> + default-rate = <480000000>; >> +}; >> > > You can add these directly under the dra7xx-clocks.dtsi file as well, as I don't think anybody needs to modify these. And the properties can be added directly under the nodes themselves. > > However, this patch can't be acked yet as we have no feedback from Mike for the default-rate proposal. OK. I'll wait for the "default-rate" patch to be approved first and then revise this patch based on your suggestion. Thanks for the review. cheers, -roger