From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [RFC PATCH v2 1/4] dt: bindings: Add SD tap value properties details for 'xlnx,zynqmp-8.9a' Date: Fri, 12 Oct 2018 11:29:56 -0500 Message-ID: <20181012162956.GA7339@bogus> References: <1537435845-6682-1-git-send-email-manish.narani@xilinx.com> <1537435845-6682-2-git-send-email-manish.narani@xilinx.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1537435845-6682-2-git-send-email-manish.narani@xilinx.com> Sender: linux-kernel-owner@vger.kernel.org To: Manish Narani Cc: ulf.hansson@linaro.org, mark.rutland@arm.com, michal.simek@xilinx.com, adrian.hunter@intel.com, amit.kucheria@linaro.org, sudeep.holla@arm.com, leoyang.li@nxp.com, jollys@xilinx.com, rajanv@xilinx.com, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: linux-mmc@vger.kernel.org On Thu, Sep 20, 2018 at 03:00:42PM +0530, Manish Narani wrote: > Add documentation for MIO bank required property and Tap Delays optional > properties in devicetree bindings. > > Signed-off-by: Manish Narani > --- > .../devicetree/bindings/mmc/arasan,sdhci.txt | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > index 72769e0..6cc95fa 100644 > --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > @@ -27,6 +27,7 @@ Required Properties for "arasan,sdhci-5.1": > > Required Properties for "xlnx,zynqmp-8.9a": > - xlnx,device_id: SD controller device ID. Must be either <0> or <1>. > + - xlnx,mio-bank: The value will be 0/1/2 depending on MIO bank selection. > > Optional Properties: > - arasan,soc-ctl-syscon: A phandle to a syscon device (see ../mfd/syscon.txt) > @@ -44,6 +45,24 @@ Optional Properties: > - xlnx,int-clock-stable-broken: when present, the controller always reports > that the internal clock is stable even when it is not. > > +Optional Properties for "xlnx,zynqmp-8.9a": > + - xlnx,itap-delay-sd-hsd: Input Tap Delay for SD HS. > + - xlnx,itap-delay-sdr25: Input Tap Delay for SDR25. > + - xlnx,itap-delay-sdr50: Input Tap Delay for SDR50. > + - xlnx,itap-delay-sdr104: Input Tap Delay for SDR104. > + - xlnx,itap-delay-sd-ddr50: Input Tap Delay for SD DDR50. > + - xlnx,itap-delay-mmc-hsd: Input Tap Delay for MMC HS. > + - xlnx,itap-delay-mmc-ddr52: Input Tap Delay for MMC DDR52. > + - xlnx,itap-delay-mmc-hs200: Input Tap Delay for MMC HS200. > + - xlnx,otap-delay-sd-hsd: Output Tap Delay for SD HS. > + - xlnx,otap-delay-sdr25: Output Tap Delay for SDR25. > + - xlnx,otap-delay-sdr50: Output Tap Delay for SDR50. > + - xlnx,otap-delay-sdr104: Output Tap Delay for SDR104. > + - xlnx,otap-delay-sd-ddr50: Output Tap Delay for DDR50. > + - xlnx,otap-delay-mmc-hsd: Output Tap Delay for MMC HS. > + - xlnx,otap-delay-mmc-ddr52: Output Tap Delay for MMC DDR52. > + - xlnx,otap-delay-mmc-hs200: Output Tap Delay for MMC HS200. type, values, units for all of these? Perhaps combine to pairs of values for input and output delays? > + > Example: > sdhci@e0100000 { > compatible = "arasan,sdhci-8.9a"; > -- > 2.1.1 >