From: Rob Herring <robh@kernel.org> To: Ludovic Barre <ludovic.barre@st.com> Cc: Ulf Hansson <ulf.hansson@linaro.org>, srinivas.kandagatla@linaro.org, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Alexandre Torgue <alexandre.torgue@st.com>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mmc@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com Subject: Re: [PATCH 5/9] dt-bindings: mmc: mmci: add delay block base register for sdmmc Date: Wed, 15 Jan 2020 08:56:45 -0600 [thread overview] Message-ID: <20200115145645.GA599@bogus> (raw) In-Reply-To: <20200110134823.14882-6-ludovic.barre@st.com> On Fri, Jan 10, 2020 at 02:48:19PM +0100, Ludovic Barre wrote: > To support the sdr104 mode, the sdmmc variant has a > hardware delay block to manage the clock phase when sampling > data received by the card. > > This patch adds a second base register (optional) for > sdmmc delay block. > > Signed-off-by: Ludovic Barre <ludovic.barre@st.com> > --- > Documentation/devicetree/bindings/mmc/mmci.txt | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mmc/mmci.txt b/Documentation/devicetree/bindings/mmc/mmci.txt > index 6d3c626e017d..4ec921e4bf34 100644 > --- a/Documentation/devicetree/bindings/mmc/mmci.txt > +++ b/Documentation/devicetree/bindings/mmc/mmci.txt > @@ -28,6 +28,8 @@ specific for ux500 variant: > - st,sig-pin-fbclk : feedback clock signal pin used. > > specific for sdmmc variant: > +- reg : a second base register may be defined if a delay > + block is present and used for tuning. Which compatibles have a 2nd reg entry? > - st,sig-dir : signal direction polarity used for cmd, dat0 dat123. > - st,neg-edge : data & command phase relation, generated on > sd clock falling edge. > -- > 2.17.1 >
WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org> To: Ludovic Barre <ludovic.barre@st.com> Cc: devicetree@vger.kernel.org, Ulf Hansson <ulf.hansson@linaro.org>, Alexandre Torgue <alexandre.torgue@st.com>, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, srinivas.kandagatla@linaro.org, Maxime Coquelin <mcoquelin.stm32@gmail.com>, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 5/9] dt-bindings: mmc: mmci: add delay block base register for sdmmc Date: Wed, 15 Jan 2020 08:56:45 -0600 [thread overview] Message-ID: <20200115145645.GA599@bogus> (raw) In-Reply-To: <20200110134823.14882-6-ludovic.barre@st.com> On Fri, Jan 10, 2020 at 02:48:19PM +0100, Ludovic Barre wrote: > To support the sdr104 mode, the sdmmc variant has a > hardware delay block to manage the clock phase when sampling > data received by the card. > > This patch adds a second base register (optional) for > sdmmc delay block. > > Signed-off-by: Ludovic Barre <ludovic.barre@st.com> > --- > Documentation/devicetree/bindings/mmc/mmci.txt | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mmc/mmci.txt b/Documentation/devicetree/bindings/mmc/mmci.txt > index 6d3c626e017d..4ec921e4bf34 100644 > --- a/Documentation/devicetree/bindings/mmc/mmci.txt > +++ b/Documentation/devicetree/bindings/mmc/mmci.txt > @@ -28,6 +28,8 @@ specific for ux500 variant: > - st,sig-pin-fbclk : feedback clock signal pin used. > > specific for sdmmc variant: > +- reg : a second base register may be defined if a delay > + block is present and used for tuning. Which compatibles have a 2nd reg entry? > - st,sig-dir : signal direction polarity used for cmd, dat0 dat123. > - st,neg-edge : data & command phase relation, generated on > sd clock falling edge. > -- > 2.17.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-01-15 14:56 UTC|newest] Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-01-10 13:48 [PATCH 0/9] mmc: mmci: sdmmc: add sdr104 support Ludovic Barre 2020-01-10 13:48 ` Ludovic Barre 2020-01-10 13:48 ` [PATCH 1/9] mmc: mmci: sdmmc: replace sg_dma_xxx macros Ludovic Barre 2020-01-10 13:48 ` Ludovic Barre 2020-01-10 13:48 ` [PATCH 2/9] mmc: mmci: sdmmc: rename sdmmc_priv struct to sdmmc_idma Ludovic Barre 2020-01-10 13:48 ` Ludovic Barre 2020-01-10 13:48 ` [PATCH 3/9] mmc: mmci: add a reference at mmc_host_ops in mmci struct Ludovic Barre 2020-01-10 13:48 ` Ludovic Barre 2020-01-24 13:09 ` Ulf Hansson 2020-01-24 13:09 ` Ulf Hansson 2020-01-27 10:57 ` Ludovic BARRE 2020-01-27 10:57 ` Ludovic BARRE 2020-01-10 13:48 ` [PATCH 4/9] mmc: mmci: add private pointer for variant Ludovic Barre 2020-01-10 13:48 ` Ludovic Barre 2020-01-10 13:48 ` [PATCH 5/9] dt-bindings: mmc: mmci: add delay block base register for sdmmc Ludovic Barre 2020-01-10 13:48 ` Ludovic Barre 2020-01-15 14:56 ` Rob Herring [this message] 2020-01-15 14:56 ` Rob Herring 2020-01-16 9:20 ` Ludovic BARRE 2020-01-16 9:20 ` Ludovic BARRE 2020-01-16 14:33 ` Rob Herring 2020-01-16 14:33 ` Rob Herring 2020-01-16 14:52 ` Ludovic BARRE 2020-01-16 14:52 ` Ludovic BARRE 2020-01-10 13:48 ` [PATCH 6/9] mmc: mmci: sdmmc: add execute tuning with delay block Ludovic Barre 2020-01-10 13:48 ` Ludovic Barre 2020-01-24 13:10 ` Ulf Hansson 2020-01-24 13:10 ` Ulf Hansson 2020-01-27 13:19 ` Ludovic BARRE 2020-01-27 13:19 ` Ludovic BARRE 2020-01-10 13:48 ` [PATCH 7/9] mmc: mmci: add volt_switch callbacks Ludovic Barre 2020-01-10 13:48 ` Ludovic Barre 2020-01-24 13:12 ` Ulf Hansson 2020-01-24 13:12 ` Ulf Hansson 2020-01-27 13:21 ` Ludovic BARRE 2020-01-27 13:21 ` Ludovic BARRE 2020-01-10 13:48 ` [PATCH 8/9] mmc: mmci: sdmmc: add voltage switch functions Ludovic Barre 2020-01-10 13:48 ` Ludovic Barre 2020-01-24 13:16 ` Ulf Hansson 2020-01-24 13:16 ` Ulf Hansson 2020-01-27 13:50 ` Ludovic BARRE 2020-01-27 13:50 ` Ludovic BARRE 2020-01-10 13:48 ` [PATCH 9/9] mmc: mmci: add sdmmc variant revision 2.0 Ludovic Barre 2020-01-10 13:48 ` Ludovic Barre 2020-01-24 12:55 ` [PATCH 0/9] mmc: mmci: sdmmc: add sdr104 support Ludovic BARRE 2020-01-24 12:55 ` Ludovic BARRE 2020-01-24 13:19 ` Ulf Hansson 2020-01-24 13:19 ` Ulf Hansson 2020-01-27 13:52 ` Ludovic BARRE 2020-01-27 13:52 ` Ludovic BARRE
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