Signed-off-by: Jingchang Lu <jingchang.lu@xxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/arm/fsl.txt | 37 +++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/fsl.txt b/Documentation/devicetree/bindings/arm/fsl.txt
index e935d7d..c962124 100644
--- a/Documentation/devicetree/bindings/arm/fsl.txt
+++ b/Documentation/devicetree/bindings/arm/fsl.txt
@@ -74,3 +74,40 @@ Required root node properties:
i.MX6q generic board
Required root node properties:
- compatible = "fsl,imx6q";
+
+
+Freescale LS1021A Platform Device Tree Bindings
+------------------------------------------------
+
+Required root node compatible properties:
+ - compatible = "fsl,ls1021a";
+
+SoC-specific device tree bindings for system configuration
+-------------------------------------------
+
+Required device node compatible properties:
+
+ - compatible = "fsl,ls1021a-scfg":
+ scfg is the supplemental configuration unit, provides SoC specific
+ configuration and status registers for the chip. There is no dedicate
+ driver for it, but for device whose configuration and status register
+ locates in this space should operate on it. Such as getting PEX port
+ status.
+
+ - compatible = "fsl,ls1021a-dcfg":
+ dcfg is the device configuration unit that provides general purpose
+ configuration and status for the device, there is no dedicate driver
+ for it, but for device whose configuration and status register locates
+ in this space should operate on it. Such as setting the secondary core
+ start address and release the secondary core from holdoff and startup.
+
+Example:
+ scfg: scfg@1570000 {
+ compatible = "fsl,ls1021a-scfg";
+ reg = <0x0 0x1570000 0x0 0x10000>;
+ };
+
+ dcfg: dcfg@1ee0000 {
+ compatible = "fsl,ls1021a-dcfg";
+ reg = <0x0 0x1ee0000 0x0 0x10000>;
+ };
--
1.8.0
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