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[PATCH 1/3] Add DT bindings documentation for NS2 USB DRD phy

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  [PATCH 1/3] Add DT bindings documentation for NS2 USB DRD phy Raviteja Garimella <raviteja.garimella@broadcom.com> - 2016-11-30 07:00 +0100
    Re: [PATCH 1/3] Add DT bindings documentation for NS2 USB DRD phy Rob Herring <robh@kernel.org> - 2016-12-06 00:10 +0100

#1532969 — [PATCH 1/3] Add DT bindings documentation for NS2 USB DRD phy

This patch adds documentation for NS2 DRD Phy driver DT bindings

Signed-off-by: Raviteja Garimella <raviteja.garimella@broadcom.com>
---
 .../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@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@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

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#1536512

On Wed, Nov 30, 2016 at 11:25:36AM +0530, Raviteja Garimella wrote:
> This patch adds documentation for NS2 DRD Phy driver DT bindings
> 
> Signed-off-by: Raviteja Garimella <raviteja.garimella@broadcom.com>
> ---
>  .../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@660a0000 {

You don't really need to show gpio node for the example. Otherwise,

Acked-by: Rob Herring <robh@kernel.org>

Rob

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