linux-kernel - [PATCH v5 1/3] dt-bindings: phy: Add Stingray USB PHY binding document

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Message-Id: <1552406781-5180-2-git-send-email-srinath.mannam@broadcom.com>
Date:   Tue, 12 Mar 2019 21:36:19 +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 <jnair@...iumnetworks.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        Srinath Mannam <srinath.mannam@...adcom.com>
Subject: [PATCH v5 1/3] dt-bindings: phy: Add Stingray USB PHY binding document

Add DT binding document for Stingray USB PHY.

Signed-off-by: Srinath Mannam <srinath.mannam@...adcom.com>
---
 .../bindings/phy/brcm,stingray-usb-phy.txt         | 40 ++++++++++++++++++++++
 1 file changed, 40 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..51c3d73
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/brcm,stingray-usb-phy.txt
@@ -0,0 +1,40 @@
+Broadcom Stingray USB PHY
+
+Required properties:
+ - compatible : should be one of the listed compatibles
+	- "brcm,sr-usb-combo-phy" is combo PHY has two PHYs, one SS and one HS.
+	- "brcm,sr-usb-hs-phy" is a single HS PHY.
+ - reg: offset and length of the PHY blocks registers
+ - address-cells: should be 1
+ - size-cells: should be 0
+ - #phy-cells:
+   - Must be 1 for brcm,sr-usb-combo-phy as it expects one argument to indicate
+     the PHY number of two PHYs. 0 for HS PHY and 1 for SS PHY.
+   - Must be 0 for brcm,sr-usb-hs-phy.
+
+Refer to phy/phy-bindings.txt for the generic PHY binding properties
+
+Example:
+	usbphy0: usb-phy@0 {
+		compatible = "brcm,sr-usb-combo-phy";
+		reg = <0x00000000 0x100>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		#phy-cells = <1>;
+	};
+
+	usbphy1: usb-phy@...00 {
+		compatible = "brcm,sr-usb-combo-phy";
+		reg = <0x00010000 0x100>,
+		#address-cells = <1>;
+		#size-cells = <0>;
+		#phy-cells = <1>;
+	};
+
+	usbphy2: usb-phy@...00 {
+		compatible = "brcm,sr-usb-hs-phy";
+		reg = <0x00020000 0x100>,
+		#address-cells = <1>;
+		#size-cells = <0>;
+		#phy-cells = <0>;
+	};
-- 
2.7.4