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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id o18sm748300otb.47.2018.10.12.13.48.49 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 12 Oct 2018 13:48:49 -0700 (PDT) Date: Fri, 12 Oct 2018 15:48:48 -0500 From: Rob Herring To: Veerabhadrarao Badiganti Cc: adrian.hunter@intel.com, ulf.hansson@linaro.org, evgreen@chromium.org, dianders@google.com, asutoshd@codeaurora.org, riteshh@codeaurora.org, stummala@codeaurora.org, sayalil@codeaurora.org, linux-mmc@vger.kernel.org, linux-arm-msm@vger.kernel.org, Mark Rutland , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , open list Subject: Re: [PATCH V2 1/2] dt-bindings: mmc: sdhci-msm: Add new compatible string for sdcdc10 DLL Message-ID: <20181012204848.GA30953@bogus> References: <1539005138-32560-1-git-send-email-vbadigan@codeaurora.org> <1539005138-32560-2-git-send-email-vbadigan@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1539005138-32560-2-git-send-email-vbadigan@codeaurora.org> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 08, 2018 at 06:55:37PM +0530, Veerabhadrarao Badiganti wrote: > On the SDHC-MSM controllers which makes use of sdcdc10 variant DLLs, > the DLL configuration needs to be restored whenever controller clocks > are gated. This new compatible string denotes the sdhc-msm controller > variant which uses sdcdc10 DLL. What is sdcdc10 DLL? Seems like a work-around to not having SoC specific compatible strings. > > Signed-off-by: Veerabhadrarao Badiganti > --- > Documentation/devicetree/bindings/mmc/sdhci-msm.txt | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt > index 3720385..49b0a43 100644 > --- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt > +++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt > @@ -6,7 +6,11 @@ and the properties used by the sdhci-msm driver. > Required properties: > - compatible: Should contain: > "qcom,sdhci-msm-v4" for sdcc versions less than 5.0 > + "qcom,sdhci-msm-v4-sdcdc10" for sdcc versions < 5.0 and > + which makes use of sdcdc10 variant DLLs. > "qcom,sdhci-msm-v5" for sdcc versions >= 5.0 > + "qcom,sdhci-msm-v5-sdcdc10" for sdcc versions >= 5.0 and > + which makes use of sdcdc10 variant DLLs. > For SDCC version 5.0.0, MCI registers are removed from SDCC > interface and some registers are moved to HC. New compatible > string is added to support this change - "qcom,sdhci-msm-v5". > -- > Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc. > Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project. >