For 28nm STB chips, based on BCM7445.
Signed-off-by: Brian Norris <computersforpeace@xxxxxxxxx>
---
.../bindings/phy/brcm,brcmstb-sata-phy.txt | 40 ++++++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 Documentation/devicetree/bindings/phy/brcm,brcmstb-sata-phy.txt
diff --git a/Documentation/devicetree/bindings/phy/brcm,brcmstb-sata-phy.txt b/Documentation/devicetree/bindings/phy/brcm,brcmstb-sata-phy.txt
new file mode 100644
index 000000000000..39eddd53b318
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/brcm,brcmstb-sata-phy.txt
@@ -0,0 +1,40 @@
+* Broadcom SATA3 PHY for STB
+
+Required properties:
+- compatible: should be one or more of
+ "brcm,bcm7445-sata-phy"
+ "brcm,phy-sata3"
+- address-cells: should be 1
+- size-cells: should be 0
+- phy-cells: generic PHY binding; must be 1
+- reg: register ranges for the PHY PCB interface, and for the PHY port control
+ registers found in the SATA_TOP_CTRL block (i.e., PHY_CTRL 1/2/3/4)
+- reg-names: should be "phy" and "port-ctrl"
+
+Sub-nodes:
+ Each port's PHY should be represented as a sub-node.
+
+Sub-nodes required properties:
+- reg: the PHY number
+Optional:
+- brcm,enable-ssc: use spread spectrum clocking (SSC) on this port
+
+
+Example:
+
+ sata-phy@f0458100 {
+ compatible = "brcm,bcm7445-sata-phy", "brcm,phy-sata3";
+ reg = <0xf0458100 0x1e00>, <0xf045804c 0x10>;
+ reg-names = "phy", "port-ctrl";
+ #phy-cells = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sata-phy@0 {
+ reg = <0>;
+ };
+
+ sata-phy@1 {
+ reg = <1>;
+ };
+ };
--
1.9.1
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