linux-kernel - [PATCH v2 3/5] phy: cygnus: pcie: Define DT binding

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Message-ID: <1432256829-17931-4-git-send-email-rjui@broadcom.com>
Date:	Thu, 21 May 2015 18:07:07 -0700
From:	Ray Jui <rjui@...adcom.com>
To:	Kishon Vijay Abraham I <kishon@...com>,
	Arnd Bergmann <arnd@...db.de>
CC:	<linux-kernel@...r.kernel.org>,
	"JD (Jiandong) Zheng" <jdzheng@...adcom.com>,
	Arun Parameswaran <arunp@...adcom.com>,
	<bcm-kernel-feedback-list@...adcom.com>,
	Ray Jui <rjui@...adcom.com>
Subject: [PATCH v2 3/5] phy: cygnus: pcie: Define DT binding

Add DT binding document for Broadcom Cygnus PCIe PHY driver

Signed-off-by: Ray Jui <rjui@...adcom.com>
Reviewed-by: Arun Parameswaran <aparames@...adcom.com>
Reviewed-by: JD (Jiandong) Zheng <jdzheng@...adcom.com>
Reviewed-by: Scott Branden <sbranden@...adcom.com>
---
 .../bindings/phy/brcm,cygnus-pcie-phy.txt          |   34 ++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/brcm,cygnus-pcie-phy.txt

diff --git a/Documentation/devicetree/bindings/phy/brcm,cygnus-pcie-phy.txt b/Documentation/devicetree/bindings/phy/brcm,cygnus-pcie-phy.txt
new file mode 100644
index 0000000..1b1a7af
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/brcm,cygnus-pcie-phy.txt
@@ -0,0 +1,34 @@
+Broadcom Cygnus PCIe PHY
+
+Required properties:
+- compatible: Must be "brcm,cygnus-pcie-phy"
+- reg: base address and length of the CRMU block
+- #phy-cells: must be <2>
+The first cell is the PHY ID:
+0 - PCIe RC 0
+1 - PCIe RC 1
+The second cell is the internal PHY address
+
+Example:
+	mdio_bus {
+		...
+		phy: phy@...1d0a0 {
+			compatible = "brcm,cygnus-pcie-phy";
+			reg = <0x0301d0a0 0x14>;
+			#phy-cells = <2>;
+		};
+	};
+
+	pcie0: pcie@...12000 {
+		...
+		...
+		phys = <&phy 0 5>;
+		phy-names = "pcie-phy";
+	};
+
+	pcie1: pcie@...13000 {
+		...
+		...
+		phys = <&phy 1 6>;
+		phy-names = "pcie-phy";
+	};
-- 
1.7.9.5

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