openwrt/target/linux/ipq40xx/patches-4.14/075-dt-bindings-phy-qcom-ipq4019-usb-add-binding-documen.patch

From 5f01733dc755dfadfa51b7b3c6c160e632fc6002 Mon Sep 17 00:00:00 2001
From: John Crispin <[email protected]>
Date: Tue, 24 Jul 2018 15:09:36 +0200
Subject: [PATCH 1/3] dt-bindings: phy-qcom-ipq4019-usb: add binding document

This patch adds the binding documentation for the HS/SS USB PHY found
inside Qualcom Dakota SoCs.

Signed-off-by: John Crispin <[email protected]>
---
 .../bindings/phy/phy-qcom-ipq4019-usb.txt           | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/phy-qcom-ipq4019-usb.txt

diff --git a/Documentation/devicetree/bindings/phy/phy-qcom-ipq4019-usb.txt b/Documentation/devicetree/bindings/phy/phy-qcom-ipq4019-usb.txt
new file mode 100644
index 000000000000..362877fcafed
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/phy-qcom-ipq4019-usb.txt
@@ -0,0 +1,21 @@
+Qualcom Dakota HS/SS USB PHY
+
+Required properties:
+ - compatible: "qcom,usb-ss-ipq4019-phy",
+	       "qcom,usb-hs-ipq4019-phy"
+ - reg: offset and length of the registers
+ - #phy-cells: should be 0
+ - resets: the reset controllers as listed below
+ - reset-names: the names of the reset controllers
+	"por_rst" - the POR reset line for SS and HS phys
+	"srif_rst" - the SRIF reset line for HS phys
+Example:
+
+hsphy@a8000 {
+	compatible = "qcom,usb-hs-ipq4019-phy";
+	phy-cells = <0>;
+	reg = <0xa8000 0x40>;
+	resets = <&gcc USB2_HSPHY_POR_ARES>,
+		 <&gcc USB2_HSPHY_S_ARES>;
+	reset-names = "por_rst", "srif_rst";
+};
-- 
2.11.0