dt-bindings: sdhci-msm: Add xo value

Add "xo" value which is tcxo clock to sdhci-msm
DT binding properties.

Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
index 485483a..0576264 100644 (file)
--- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
+++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
@@ -17,6 +17,7 @@ Required properties:
        "iface" - Main peripheral bus clock (PCLK/HCLK - AHB Bus clock) (required)
        "core"  - SDC MMC clock (MCLK) (required)
        "bus"   - SDCC bus voter clock (optional)
+       "xo"    - TCXO clock (optional)
 
 Example: