From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH V2 1/3] dt-bindings: mmc: tegra: Add pinctrl for pad drive strength config Date: Thu, 27 Dec 2018 15:33:53 -0600 Message-ID: <20181227213353.GA8110@bogus> References: <1545260153-11338-1-git-send-email-skomatineni@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1545260153-11338-1-git-send-email-skomatineni@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: Sowjanya Komatineni Cc: mark.rutland@arm.com, mperttunen@nvidia.com, thierry.reding@gmail.com, jonathanh@nvidia.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, pchandru@nvidia.com, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org List-Id: devicetree@vger.kernel.org On Wed, Dec 19, 2018 at 02:55:51PM -0800, Sowjanya Komatineni wrote: > Add pinctrl for 3V3 and 1V8 pad drive strength configuration for > Tegra210 sdmmc which has pad configuration registers in the pinmux > reigster domain. typo > > Signed-off-by: Sowjanya Komatineni > --- > Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt > index 32b4b4e41923..2cecdc71d94c 100644 > --- a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt > +++ b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt > @@ -39,12 +39,16 @@ sdhci@c8000200 { > bus-width = <8>; > }; > > -Optional properties for Tegra210 and Tegra186: > +Optional properties for Tegra210, Tegra186 and Tegra194: Adding Tegra194, but this patch concerns Tegra210... > - pinctrl-names, pinctrl-0, pinctrl-1 : Specify pad voltage > configurations. Valid pinctrl-names are "sdmmc-3v3" and "sdmmc-1v8" > for controllers supporting multiple voltage levels. The order of names > should correspond to the pin configuration states in pinctrl-0 and > pinctrl-1. > +- pinctrl-names : "sdmmc-3v3-drv" and "sdmmc-1v8-drv" are applicable for These are in addition to the previous values? > + Tegra210 where pad config registers are in the pinmux register domain > + for pull-up-strength and pull-down-strength values configuration when > + using pads at 3V3 and 1V8 levels. > - nvidia,only-1-8-v : The presence of this property indicates that the > controller operates at a 1.8 V fixed I/O voltage. > - nvidia,pad-autocal-pull-up-offset-3v3, > -- > 2.7.4 >