For some Spreadtrum platforms like SC9860 platform, we should enable another gate clock '2x_enable' to make the SD host controller work well. Thus add documentation for this optional clock. Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxx> --- .../devicetree/bindings/mmc/sdhci-sprd.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt b/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt index 45c9978..a285c77 100644 --- a/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt +++ b/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt @@ -14,6 +14,7 @@ Required properties: - clock-names: Should contain the following: "sdio" - SDIO source clock (required) "enable" - gate clock which used for enabling/disabling the device (required) + "2x_enable" - gate clock controlling the device for some special platforms (optional) Optional properties: - assigned-clocks: the same with "sdio" clock -- 1.7.9.5