[PATCH v2 2/4] dt-bindings: snps,dw-apb-ssi: Add optional clock domain information

[Gareth Williams <gareth.williams.jx@xxxxxxxxxxx>]

Note in the bindings documentation that pclk should be renamed if a clock
domain is used to enable the optional bus clock.

Signed-off-by: Gareth Williams <gareth.williams.jx@xxxxxxxxxxx>
---
v2: Introduced this patch.
---
 Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
index f54c8c3..3ed08ee 100644
--- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
+++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
@@ -16,7 +16,8 @@ Required properties:
 Optional properties:
 - clock-names : Contains the names of the clocks:
     "ssi_clk", for the core clock used to generate the external SPI clock.
-    "pclk", the interface clock, required for register access.
+    "pclk", the interface clock, required for register access. If a clock domain
+     used to enable this clock then it should be named "pclk_clkdomain".
 - cs-gpios : Specifies the gpio pins to be used for chipselects.
 - num-cs : The number of chipselects. If omitted, this will default to 4.
 - reg-io-width : The I/O register width (in bytes) implemented by this
-- 
2.7.4