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Commit 62022894 authored by Ludovic Barre's avatar Ludovic Barre Committed by Ulf Hansson
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dt-bindings: mmci: add stm32 sdmmc variant 



This patch adds properties for stm32 sdmmc variant.

Signed-off-by: default avatarLudovic Barre <ludovic.barre@st.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent f3f64334

Documentation/devicetree/bindings/mmc/mmci.txt

+10 −0
Original line number Diff line number Diff line
@@ -16,8 +16,10 @@ Optional properties: 
- arm,primecell-periphid : contains the PrimeCell Peripheral ID, it overrides

                           the ID provided by the HW

- resets                 : phandle to internal reset line.

			   Should be defined for sdmmc variant.

- vqmmc-supply           : phandle to the regulator device tree node, mentioned

                           as the VCCQ/VDD_IO supply in the eMMC/SD specs.

specific for ux500 variant:

- st,sig-dir-dat0        : bus signal direction pin used for DAT[0].

- st,sig-dir-dat2        : bus signal direction pin used for DAT[2].

- st,sig-dir-dat31       : bus signal direction pin used for DAT[3] and DAT[1].
@@ -25,6 +27,14 @@ Optional properties: 
- st,sig-dir-cmd         : cmd signal direction pin used for CMD.

- st,sig-pin-fbclk       : feedback clock signal pin used.



specific for sdmmc variant:

- st,sig-dir             : signal direction polarity used for cmd, dat0 dat123.

- st,neg-edge            : data & command phase relation, generated on

                           sd clock falling edge.

- st,use-ckin            : use ckin pin from an external driver to sample

                           the receive data (example: with voltage

			   switch transceiver).



Deprecated properties:

- mmc-cap-mmc-highspeed  : indicates whether MMC is high speed capable.

- mmc-cap-sd-highspeed   : indicates whether SD is high speed capable.