[v2,2/9] dt-bindings: mmc: sprd: Add another optional clock documentation
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Message ID 84abb6b282b1fbce0c39ebd2b42ca4c18118f863.1559635435.git.baolin.wang@linaro.org
State New
Headers show
Series
  • Add SD host controller support for SC9860 platform
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Commit Message

Baolin Wang June 4, 2019, 8:14 a.m. UTC
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@linaro.org>
---
 .../devicetree/bindings/mmc/sdhci-sprd.txt         |    1 +
 1 file changed, 1 insertion(+)

Patch
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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