On Wed, Nov 01, 2017 at 12:21:32AM +0000, Ard Biesheuvel wrote: > The Socionext SynQuacer SoC inherits this IP from Fujitsu, but > requires the F_SDH30_CMD_DAT_DELAY bit to be set in the > F_SDH30_ESD_CONTROL control register. > > So let's add an optional property to this device's binding, and > set the attribute if it is present in the DT node. > > Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt | 2 ++ > drivers/mmc/host/sdhci_f_sdh30.c | 18 +++++++++++++++++- > 2 files changed, 19 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt b/Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt > index de2c53cff4f1..9ad02f743ad0 100644 > --- a/Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt > +++ b/Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt > @@ -15,6 +15,8 @@ Required properties: > Optional properties: > - vqmmc-supply: phandle to the regulator device tree node, mentioned > as the VCCQ/VDD_IO supply in the eMMC/SD specs. > +- cmd-dat-delay-select: boolean property indicating that this host requires > + the CMD_DAT_DELAY control to be enabled. Needs a vendor prefix unless this is a standard SDHCI bit (in which case it should be documented in a common spot). Rob -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
