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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id t13sm3050904oic.4.2020.12.07.09.21.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Dec 2020 09:21:12 -0800 (PST) Received: (nullmailer pid 465658 invoked by uid 1000); Mon, 07 Dec 2020 17:21:11 -0000 Date: Mon, 7 Dec 2020 11:21:11 -0600 From: Rob Herring To: Chris Ruehl Subject: Re: [PATCH 2/2] devicetree: phy: rockchip-emmc add output-tapdelay-select Message-ID: <20201207172039.GA463809@robh.at.kernel.org> References: <20201202082507.3536-1-chris.ruehl@gtsys.com.hk> <20201202082507.3536-3-chris.ruehl@gtsys.com.hk> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201202082507.3536-3-chris.ruehl@gtsys.com.hk> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201207_122748_270030_BC52F866 X-CRM114-Status: GOOD ( 18.92 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Heiko Stuebner , linux-kernel@vger.kernel.org, Kishon Vijay Abraham I , linux-rockchip@lists.infradead.org, Vinod Koul , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Dec 02, 2020 at 04:25:07PM +0800, Chris Ruehl wrote: > Update the rockchip-emmc-phy.txt and add the u32 property > 'output-tapdelay-select'. This allow to set the otapdlysec register. > > Tested with our customized rk3399 board to tune eMMC. > > Signed-off-by: Chris Ruehl > --- > Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt b/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt > index 3e4d2d79a65d..00aa2d349e55 100644 > --- a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt > +++ b/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt > @@ -18,6 +18,9 @@ Optional properties: > If not set, the default value of 50 will be applied. > - enable-strobe-pulldown: Enable internal pull-down for the strobe line. > If not set, pull-down is not used. > + - output-tapdelay-select: Specifies the phyctrl_otapdlysec register. > + If not set, the register defaults to 0x4. > + Maximum value 0xf. Needs a vendor prefix. > > Example: > > -- > 2.20.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel