dt-bindings: imx-gpc: correct the DOMAIN_INDEX using

Actually DOMAIN_INDEX is not used by the client devices to refer to
the power domain, it uses phandle. Corrent the binding doc a bit
to avoid confusing.

Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/Documentation/devicetree/bindings/power/fsl,imx-gpc.txt b/Documentation/devicetree/bindings/power/fsl,imx-gpc.txt
index 06040a4..58d323c 100644 (file)
--- a/Documentation/devicetree/bindings/power/fsl,imx-gpc.txt
+++ b/Documentation/devicetree/bindings/power/fsl,imx-gpc.txt
@@ -20,8 +20,7 @@ subnodes of the power gating controller 'pgc' node of the GPC and should
 contain the following:
 
 Required properties:
-- reg: the DOMAIN_INDEX as used by the client devices to refer to this
-  power domain
+- reg: Must contain the DOMAIN_INDEX of this power domain
   The following DOMAIN_INDEX values are valid for i.MX6Q:
   ARM_DOMAIN     0
   PU_DOMAIN      1
@@ -54,6 +53,7 @@ Example:
                                reg = <0>;
                                #power-domain-cells = <0>;
                        };
+
                        pd_pu: power-domain@1 {
                                reg = <1>;
                                #power-domain-cells = <0>;