From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tero Kristo Subject: Re: [PATCH v3 2/3] ARM: dts: dra7: Add syscon-pllreset syscon to SATA PHY Date: Mon, 20 Jul 2015 15:08:21 +0300 Message-ID: <55ACE4B5.7000107@ti.com> References: <1437140844-6032-1-git-send-email-rogerq@ti.com> <1437140844-6032-3-git-send-email-rogerq@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1437140844-6032-3-git-send-email-rogerq@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Roger Quadros , kishon@ti.com, tony@atomide.com Cc: nm@ti.com, nsekhar@ti.com, balbi@ti.com, grygorii.strashko@ti.com, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-omap@vger.kernel.org On 07/17/2015 04:47 PM, Roger Quadros wrote: > This register is required to be passed to the SATA PHY driver > to workaround errata i783 (SATA Lockup After SATA DPLL Unlock/Relock). > > Signed-off-by: Roger Quadros > --- > arch/arm/boot/dts/dra7.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi > index 8f1e25b..4a0718c 100644 > --- a/arch/arm/boot/dts/dra7.dtsi > +++ b/arch/arm/boot/dts/dra7.dtsi > @@ -1140,6 +1140,7 @@ > ctrl-module = <&omap_control_sata>; > clocks = <&sys_clkin1>, <&sata_ref_clk>; > clock-names = "sysclk", "refclk"; > + syscon-pllreset = <&scm_conf 0x3fc>; > #phy-cells = <0>; > }; > > Looks fine to me. Make sure you use this register via regmap_update_bits only, seeing there is another potential user for the same register. -Tero