linux-kernel - [PATCH 1/3] dt-bindings: phy: Add binding document for stingray usb phy

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Message-Id: <1542082418-16675-2-git-send-email-srinath.mannam@broadcom.com>
Date:   Tue, 13 Nov 2018 09:43:36 +0530
From:   Srinath Mannam <srinath.mannam@...adcom.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kishon Vijay Abraham I <kishon@...com>
Cc:     Tejun Heo <tj@...nel.org>,
        "Jayachandran C --cc=devicetree @ vger . kernel . org" 
        <jnair@...iumnetworks.com>, linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        Srinath Mannam <srinath.mannam@...adcom.com>
Subject: [PATCH 1/3] dt-bindings: phy: Add binding document for stingray usb phy

Add DT binding document for stingray usb phy.

Signed-off-by: Srinath Mannam <srinath.mannam@...adcom.com>
Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
Reviewed-by: Scott Branden <scott.branden@...adcom.com>
---
 .../bindings/phy/brcm,stingray-usb-phy.txt         | 62 ++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/brcm,stingray-usb-phy.txt

diff --git a/Documentation/devicetree/bindings/phy/brcm,stingray-usb-phy.txt b/Documentation/devicetree/bindings/phy/brcm,stingray-usb-phy.txt
new file mode 100644
index 0000000..bfe1367
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/brcm,stingray-usb-phy.txt
@@ -0,0 +1,62 @@
+Broadcom Stingray USB PHY
+
+Required properties:
+ - compatible : should be one of the listed compatibles
+	- "brcm,sr-usb-phy"
+	- "brcm,sr-usb-phy-v2"
+ - reg: offset and length of the PHY blocks registers
+ - address-cells: should be 1
+ - size-cells: should be 0
+
+Sub-nodes:
+  Each port's PHY should be represented as a sub-node.
+
+Sub-nodes required properties:
+ - reg: required for brcm,sr-usb-phy model phy.
+	reg value 0 is HS phy and 1 is SS phy.
+ - phy-cells: generic PHY binding; must be 0
+
+Refer to phy/phy-bindings.txt for the generic PHY binding properties
+
+Example:
+	usbphy0: usb-phy@0 {
+		compatible = "brcm,sr-usb-phy";
+		reg = <0x00000000 0x100>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		usb0_phy0: phy@0 {
+			reg = <0>;
+			#phy-cells = <0>;
+		};
+
+		usb0_phy1: phy@1 {
+			reg = <1>;
+			#phy-cells = <0>;
+		};
+	};
+
+	usbphy1: usb-phy@...00 {
+		compatible = "brcm,sr-usb-phy";
+		reg = <0x00010000 0x100>,
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		usb1_phy0: phy@0 {
+			reg = <0>;
+			#phy-cells = <0>;
+		};
+
+		usb1_phy1: phy@1 {
+			reg = <1>;
+			#phy-cells = <0>;
+		};
+	};
+
+	usbphy2: usb-phy@...00 {
+		compatible = "brcm,sr-usb-phy-v2";
+		reg = <0x00020000 0x100>,
+		#address-cells = <1>;
+		#size-cells = <0>;
+		#phy-cells = <0>;
+	};
-- 
2.7.4