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Message-Id: <1497005631-2836-2-git-send-email-raviteja.garimella@broadcom.com>
Date: Fri, 9 Jun 2017 16:23:49 +0530
From: Raviteja Garimella <raviteja.garimella@...adcom.com>
To: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Kishon Vijay Abraham I <kishon@...com>,
Ray Jui <rjui@...adcom.com>,
Scott Branden <sbranden@...adcom.com>,
Jon Mason <jonmason@...adcom.com>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will.deacon@....com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
bcm-kernel-feedback-list@...adcom.com,
linux-arm-kernel@...ts.infradead.org
Subject: [RESEND PATCH v8 1/3] dt-bindings: phy: Add DT bindings documentation for NS2 USB DRD PHY
This patch adds DT bindings documentation for NS2 DRD PHY driver.
Signed-off-by: Raviteja Garimella <raviteja.garimella@...adcom.com>
Acked-by: Rob Herring <robh@...nel.org>
---
.../devicetree/bindings/phy/brcm,ns2-drd-phy.txt | 30 ++++++++++++++++++++++
1 file changed, 30 insertions(+)
create mode 100644 Documentation/devicetree/bindings/phy/brcm,ns2-drd-phy.txt
diff --git a/Documentation/devicetree/bindings/phy/brcm,ns2-drd-phy.txt b/Documentation/devicetree/bindings/phy/brcm,ns2-drd-phy.txt
new file mode 100644
index 0000000..04f063a
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/brcm,ns2-drd-phy.txt
@@ -0,0 +1,30 @@
+BROADCOM NORTHSTAR2 USB2 (DUAL ROLE DEVICE) PHY
+
+Required properties:
+ - compatible: brcm,ns2-drd-phy
+ - reg: offset and length of the NS2 PHY related registers.
+ - reg-names
+ The below registers must be provided.
+ icfg - for DRD ICFG configurations
+ rst-ctrl - for DRD IDM reset
+ crmu-ctrl - for CRMU core vdd, PHY and PHY PLL reset
+ usb2-strap - for port over current polarity reversal
+ - #phy-cells: Must be 0. No args required.
+ - vbus-gpios: vbus gpio binding
+ - id-gpios: id gpio binding
+
+Refer to phy/phy-bindings.txt for the generic PHY binding properties
+
+Example:
+ usbdrd_phy: phy@...00960 {
+ #phy-cells = <0>;
+ compatible = "brcm,ns2-drd-phy";
+ reg = <0x66000960 0x24>,
+ <0x67012800 0x4>,
+ <0x6501d148 0x4>,
+ <0x664d0700 0x4>;
+ reg-names = "icfg", "rst-ctrl",
+ "crmu-ctrl", "usb2-strap";
+ id-gpios = <&gpio_g 30 0>;
+ vbus-gpios = <&gpio_g 31 0>;
+ };
--
2.1.0
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