[PATCH v8 2/2] phy: qcom: Add device tree bindings for IPQ806x SATA PHY

[Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>]

Add binding spec for Qualcomm SoC PHYs, starting with the SATA PHY on
the IPQ806x family of SoCs.

Signed-off-by: Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
---
v8, v7:
* no change

v6:
* Moved binding to qcom-ipq806x-sata-phy.txt instead of qcom-phy.txt

 .../bindings/phy/qcom-ipq806x-sata-phy.txt         | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/qcom-ipq806x-sata-phy.txt

diff --git a/Documentation/devicetree/bindings/phy/qcom-ipq806x-sata-phy.txt b/Documentation/devicetree/bindings/phy/qcom-ipq806x-sata-phy.txt
new file mode 100644
index 0000000..76bfbd0
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/qcom-ipq806x-sata-phy.txt
@@ -0,0 +1,23 @@
+Qualcomm IPQ806x SATA PHY Controller
+------------------------------------
+
+SATA PHY nodes are defined to describe on-chip SATA Physical layer controllers.
+Each SATA PHY controller should have its own node.
+
+Required properties:
+- compatible: compatible list, contains "qcom,ipq806x-sata-phy"
+- reg: offset and length of the SATA PHY register set;
+- #phy-cells: must be zero
+- clocks: must be exactly one entry
+- clock-names: must be "cfg"
+
+Example:
+	sata_phy: sata-phy@1b400000 {
+		compatible = "qcom,ipq806x-sata-phy";
+		reg = <0x1b400000 0x200>;
+
+		clocks = <&gcc SATA_PHY_CFG_CLK>;
+		clock-names = "cfg";
+
+		#phy-cells = <0>;
+	};
-- 
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