diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-03-24 14:45:04 +0100 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2015-03-25 09:46:35 +0100 |
| commit | 07bf2b54cd8555390cf5fced9471689ebf7fd56c (patch) | |
| tree | 04cf9a0bfd91feebfb890daf89d955ea6a3c258d /Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt | |
| parent | 9369c97cc7eca4a73baf382cfabe92ed20ea04ed (diff) | |
mmc: sdhci-esdhc-imx: support voltage-range property
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt index 9046ba06c47a..415c5575cbf7 100644 --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt @@ -17,6 +17,10 @@ Optional properties: to select a proper data sampling window in case the clock quality is not good due to signal path is too long on the board. Please refer to eSDHC/uSDHC chapter, DLL (Delay Line) section in RM for details. +- voltage-ranges : Specify the voltage range in case there are software + transparent level shifters on the outputs of the controller. Two cells are + required, first cell specifies minimum slot voltage (mV), second cell + specifies maximum slot voltage (mV). Several ranges could be specified. Examples: |