[PATCH 03/16] ARM: dts: rockchip: Add usb host0 ohci node for rk3288

Kever Yang kever.yang at rock-chips.com
Tue Jul 21 05:17:53 CEST 2020


HI Jagan,

     Does patch 3~6 also from mainline kernel?

Thanks,

- Kever

On 2020/7/21 上午2:51, Jagan Teki wrote:
> rk3288 and rk3288w have a usb host0 ohci controller.
>
> Although rk3288 ohci doesn't actually work on hardware, but
> rk3288w ohci can work well.
>
> So add usb host0 ohci node in rk3288 dtsi and the quirk in
> ohci platform driver will disable ohci on rk3288.
>
> Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
> ---
>   arch/arm/dts/rk3288.dtsi | 11 ++++++++++-
>   1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/dts/rk3288.dtsi b/arch/arm/dts/rk3288.dtsi
> index 18b372db3a..22bb06cec5 100644
> --- a/arch/arm/dts/rk3288.dtsi
> +++ b/arch/arm/dts/rk3288.dtsi
> @@ -431,7 +431,16 @@
>   		status = "disabled";
>   	};
>   
> -	/* NOTE: ohci at ff520000 doesn't actually work on hardware */
> +	/* NOTE: doesn't work on RK3288, but fixed on RK3288W */
> +	usb_host0_ohci: usb at ff520000 {
> +		compatible = "generic-ohci";
> +		reg = <0x0 0xff520000 0x0 0x100>;
> +		interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&cru HCLK_USBHOST0>;
> +		phys = <&usbphy1>;
> +		phy-names = "usb";
> +		status = "disabled";
> +	};
>   
>   	usb_host1: usb at ff540000 {
>   		compatible = "rockchip,rk3288-usb", "rockchip,rk3066-usb",




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