Re: [PATCH 2/4] usb: host: ohci-platform: Add support for omap3 and later

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On 18/05/17 01:59, Tony Lindgren wrote:
> With the runtime PM implemented for ohci-platform driver, we can
> now support omap3 and later OHCI by adding one device tree
> property.
> 
> Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: Roger Quadros <rogerq@xxxxxx>
> Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>

Acked-by: Roger Quadros <rogerq@xxxxxx>

> ---
>  Documentation/devicetree/bindings/usb/usb-ohci.txt | 1 +
>  drivers/usb/host/ohci-platform.c                   | 5 +++++
>  2 files changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/usb-ohci.txt b/Documentation/devicetree/bindings/usb/usb-ohci.txt
> --- a/Documentation/devicetree/bindings/usb/usb-ohci.txt
> +++ b/Documentation/devicetree/bindings/usb/usb-ohci.txt
> @@ -10,6 +10,7 @@ Optional properties:
>  - big-endian-desc : boolean, set this for hcds with big-endian descriptors
>  - big-endian : boolean, for hcds with big-endian-regs + big-endian-desc
>  - no-big-frame-no : boolean, set if frame_no lives in bits [15:0] of HCCA
> +- remote-wakeup-connected: remote wakeup is wired on the platform
>  - num-ports : u32, to override the detected port count
>  - clocks : a list of phandle + clock specifier pairs
>  - phys : phandle + phy specifier pair
> diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
> --- a/drivers/usb/host/ohci-platform.c
> +++ b/drivers/usb/host/ohci-platform.c
> @@ -170,6 +170,10 @@ static int ohci_platform_probe(struct platform_device *dev)
>  		if (of_property_read_bool(dev->dev.of_node, "no-big-frame-no"))
>  			ohci->flags |= OHCI_QUIRK_FRAME_NO;
>  
> +		if (of_property_read_bool(dev->dev.of_node,
> +					  "remote-wakeup-connected"))
> +			ohci->hc_control = OHCI_CTRL_RWC;
> +
>  		of_property_read_u32(dev->dev.of_node, "num-ports",
>  				     &ohci->num_ports);
>  
> @@ -361,6 +365,7 @@ static int ohci_platform_resume(struct device *dev)
>  static const struct of_device_id ohci_platform_ids[] = {
>  	{ .compatible = "generic-ohci", },
>  	{ .compatible = "cavium,octeon-6335-ohci", },
> +	{ .compatible = "ti,ohci-omap3", },
>  	{ }
>  };
>  MODULE_DEVICE_TABLE(of, ohci_platform_ids);
> 

-- 
cheers,
-roger
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