[PATCH 1/2] dt/bindings: Add binding for the DA8xx MUSB driver

[PATCH 1/2] dt/bindings: Add binding for the DA8xx MUSB driver

[Petr Kulhavy]

This adds DT support for the TI DA830 and DA850 MUSB driver.

Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>
---
 .../devicetree/bindings/usb/da8xx-usb.txt          | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/da8xx-usb.txt

diff --git a/Documentation/devicetree/bindings/usb/da8xx-usb.txt b/Documentation/devicetree/bindings/usb/da8xx-usb.txt
new file mode 100644
index 0000000..175e32b
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/da8xx-usb.txt
@@ -0,0 +1,47 @@
+TI DA8xx MUSB
+~~~~~~~~~~~~~
+For DA830 and DA850 platforms.
+
+Required properties:
+~~~~~~~~~~~~~~~~~~~~
+ - compatible : Should be set to "ti,da830-musb".
+
+ - reg: Offset and length of the USB controller register set.
+
+ - interrupts: The USB interrupt number.
+
+ - interrupt-names: Should be set to "mc".
+
+ - dr_mode: The USB operation mode. Should be one of "host", "peripheral" or "otg".
+
+ - mentor,power : Specifies the maximum current in milli-amperes the controller can
+     supply in host mode.
+
+
+Optional properties:
+~~~~~~~~~~~~~~~~~~~~
+ - ti,phy20-clkmux-pll: Boolean. Defines the USB 2.0 PHY reference clock source.
+     If set the internal PLL is used as a clock source, otherwise the external pin is used.
+
+ - ti,phy20-refclock-frequency : Integer. Defines the USB 2.0 PHY reference clock input
+     frequency in Hz in case the clock is generated by the internal PLL.
+     Supported values are 12MHz, 13MHz, 19.2MHz, 20MHz, 24MHz, 26MHz, 38.4MHz, 40MHz, 48MHz
+
+
+Example:
+
+	usb20: usb@1e00000 {
+		compatible = "ti,da830-musb";
+		reg =   <0x00200000 0x10000>;
+		interrupt-parent = <&intc>;
+		interrupts = <58>;
+		interrupt-names = "mc";
+
+		dr_mode = "host";
+		mentor,power = <500>;
+
+		ti,phy20-clkmux-pll;
+		ti,phy20-refclock-frequency = <24000000>;
+
+		status = "okay";
+	};
-- 
1.9.1

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