Message ID | 1386897825-6130-5-git-send-email-peter.chen@freescale.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Fri, Dec 13, 2013 at 09:23:34AM +0800, Peter Chen wrote: > Add anatop phandle which is used to access anatop registers to > control PHY's power and other USB operations. no related to this patch, but this feels like OMAP's System Control Module (a rather simplistic IP which control power for a few other IPs). We're starting to see a pattern here, eventually we will need a more generic approach to such types of modules. For now, don't worry :-)
On Fri, Dec 13, 2013 at 12:25 PM, Felipe Balbi <balbi@ti.com> wrote: > On Fri, Dec 13, 2013 at 09:23:34AM +0800, Peter Chen wrote: >> Add anatop phandle which is used to access anatop registers to >> control PHY's power and other USB operations. > > no related to this patch, but this feels like OMAP's System Control > Module (a rather simplistic IP which control power for a few other IPs). > > We're starting to see a pattern here, eventually we will need a more > generic approach to such types of modules. For now, don't worry :-) > We use syscon (system controller) driver (drivers/mfd/syscon.c) to handle it, syscon uses regmap to visit register which can keep register access exclusively.
diff --git a/Documentation/devicetree/bindings/usb/mxs-phy.txt b/Documentation/devicetree/bindings/usb/mxs-phy.txt index d850e55..059536c 100644 --- a/Documentation/devicetree/bindings/usb/mxs-phy.txt +++ b/Documentation/devicetree/bindings/usb/mxs-phy.txt @@ -5,10 +5,12 @@ Required properties: for imx6dq and imx6dl, "fsl,imx6sl-usbphy" for imx6sl - reg: Should contain registers location and length - interrupts: Should contain phy interrupt +- fsl,anatop: phandle for anatop register, it is only for imx6 SoC series Example: usbphy1: usbphy@020c9000 { compatible = "fsl,imx6q-usbphy", "fsl,imx23-usbphy"; reg = <0x020c9000 0x1000>; interrupts = <0 44 0x04>; + fsl,anatop = <&anatop>; };
Add anatop phandle which is used to access anatop registers to control PHY's power and other USB operations. Signed-off-by: Peter Chen <peter.chen@freescale.com> --- Documentation/devicetree/bindings/usb/mxs-phy.txt | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)