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[217.229.28.128]) by smtp.gmail.com with ESMTPSA id y33-v6sm14145256wmh.37.2018.08.09.04.49.23 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 09 Aug 2018 04:49:23 -0700 (PDT) Date: Thu, 9 Aug 2018 13:49:22 +0200 From: Thierry Reding To: Aapo Vienamo Cc: Ulf Hansson , Rob Herring , Mark Rutland , Jonathan Hunter , Adrian Hunter , Mikko Perttunen , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 5/8] arm64: dts: tegra186: Add SDMMC4 DQS trim value Message-ID: <20180809114922.GN21639@ulmo> References: <1533650404-18125-1-git-send-email-avienamo@nvidia.com> <1533650404-18125-6-git-send-email-avienamo@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="uMPAU7A2Er6+wvsD" Content-Disposition: inline In-Reply-To: <1533650404-18125-6-git-send-email-avienamo@nvidia.com> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --uMPAU7A2Er6+wvsD Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Aug 07, 2018 at 05:00:01PM +0300, Aapo Vienamo wrote: > Add the HS400 DQS trim value for Tegra186 SDMMC4. >=20 > Signed-off-by: Aapo Vienamo > --- > arch/arm64/boot/dts/nvidia/tegra186.dtsi | 1 + > 1 file changed, 1 insertion(+) >=20 > diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/d= ts/nvidia/tegra186.dtsi > index 6e9ef26..9e07bc6 100644 > --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi > +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi > @@ -313,6 +313,7 @@ > nvidia,pad-autocal-pull-down-offset-1v8-timeout =3D <0x0a>; > nvidia,default-tap =3D <0x5>; > nvidia,default-trim =3D <0x9>; > + nvidia,dqs-trim =3D <63>; > status =3D "disabled"; > }; > =20 Isn't this technically dependent on the board layout and as such would belong in the board DTS file? Or does this value work on all existing Tegra186 platforms? 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