[PATCH 1/3] Add DT bindings documentation for NS2 USB DRD phy
From: Raviteja Garimella <hidden>
Date: 2016-11-30 05:56:17
Also in:
linux-devicetree, lkml
Subsystem:
generic phy framework, open firmware and flattened device tree bindings, the rest · Maintainers:
Vinod Koul, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This patch adds documentation for NS2 DRD Phy driver DT bindings Signed-off-by: Raviteja Garimella <redacted> --- .../devicetree/bindings/phy/brcm,ns2-drd-phy.txt | 40 ++++++++++++++++++++++ 1 file changed, 40 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..5857f99
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/brcm,ns2-drd-phy.txt@@ -0,0 +1,40 @@ +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: + gpio_g: gpio at 660a0000 { + compatible = "brcm,iproc-gpio"; + reg = <0x660a0000 0x50>; + ngpios = <32>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + interrupts = <GIC_SPI 400 IRQ_TYPE_LEVEL_HIGH>; + }; + + usbdrd_phy: phy at 66000960 { + #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