diff options
| -rw-r--r-- | Documentation/devicetree/bindings/phy/pistachio-usb-phy.txt | 29 | ||||
| -rw-r--r-- | include/dt-bindings/phy/phy-pistachio-usb.h | 16 |
2 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/phy/pistachio-usb-phy.txt b/Documentation/devicetree/bindings/phy/pistachio-usb-phy.txt new file mode 100644 index 000000000000..afbc7e24a3de --- /dev/null +++ b/Documentation/devicetree/bindings/phy/pistachio-usb-phy.txt @@ -0,0 +1,29 @@ +IMG Pistachio USB PHY +===================== + +Required properties: +-------------------- + - compatible: Must be "img,pistachio-usb-phy". + - #phy-cells: Must be 0. See ./phy-bindings.txt for details. + - clocks: Must contain an entry for each entry in clock-names. + See ../clock/clock-bindings.txt for details. + - clock-names: Must include "usb_phy". + - img,cr-top: Must constain a phandle to the CR_TOP syscon node. + - img,refclk: Indicates the reference clock source for the USB PHY. + See <dt-bindings/phy/phy-pistachio-usb.h> for a list of valid values. + +Optional properties: +-------------------- + - phy-supply: USB VBUS supply. Must supply 5.0V. + +Example: +-------- +usb_phy: usb-phy { + compatible = "img,pistachio-usb-phy"; + clocks = <&clk_core CLK_USB_PHY>; + clock-names = "usb_phy"; + phy-supply = <&usb_vbus>; + img,refclk = <REFCLK_CLK_CORE>; + img,cr-top = <&cr_top>; + #phy-cells = <0>; +}; diff --git a/include/dt-bindings/phy/phy-pistachio-usb.h b/include/dt-bindings/phy/phy-pistachio-usb.h new file mode 100644 index 000000000000..d1877aa0a3f5 --- /dev/null +++ b/include/dt-bindings/phy/phy-pistachio-usb.h @@ -0,0 +1,16 @@ +/* + * Copyright (C) 2015 Google, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + */ + +#ifndef _DT_BINDINGS_PHY_PISTACHIO +#define _DT_BINDINGS_PHY_PISTACHIO + +#define REFCLK_XO_CRYSTAL 0x0 +#define REFCLK_X0_EXT_CLK 0x1 +#define REFCLK_CLK_CORE 0x2 + +#endif /* _DT_BINDINGS_PHY_PISTACHIO */ |