[PATCH v3 7/8] mips: octeon: Add USB DT nodes

Bin Meng bmeng.cn at gmail.com
Fri Aug 21 08:29:12 CEST 2020


Hi Stefan,

On Fri, Aug 21, 2020 at 1:34 PM Stefan Roese <sr at denx.de> wrote:
>
> Add the USB device tree nodes to the Octeon dts/dtsi files.
>
> Signed-off-by: Stefan Roese <sr at denx.de>
> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
>
> ---
>
> Changes in v3:
> - Add Reviewed-by tag from Bin
> - Correct multi-line comment style
>
>  arch/mips/dts/mrvl,cn73xx.dtsi        | 60 +++++++++++++++++++++++++++
>  arch/mips/dts/mrvl,octeon-ebb7304.dts | 22 ++++++++++
>  2 files changed, 82 insertions(+)
>
> diff --git a/arch/mips/dts/mrvl,cn73xx.dtsi b/arch/mips/dts/mrvl,cn73xx.dtsi
> index 44a5a03014..40eb85ee0c 100644
> --- a/arch/mips/dts/mrvl,cn73xx.dtsi
> +++ b/arch/mips/dts/mrvl,cn73xx.dtsi
> @@ -143,5 +143,65 @@
>                         spi-max-frequency = <25000000>;
>                         clocks = <&clk OCTEON_CLK_IO>;
>                 };
> +
> +               /* USB 0 */
> +               usb0: uctl at 1180068000000 {
> +                       compatible = "cavium,octeon-7130-usb-uctl";
> +                       reg = <0x11800 0x68000000 0x0 0x100>;
> +                       ranges; /* Direct mapping */
> +                       #address-cells = <2>;
> +                       #size-cells = <2>;
> +                       /* Only 100MHz allowed */
> +                       refclk-frequency = <100000000>;
> +                       /* Only "dlmc_ref_clk0" is supported for 73xx */
> +                       refclk-type-ss = "dlmc_ref_clk0";
> +                       /* Only "dlmc_ref_clk0" is supported for 73xx */
> +                       refclk-type-hs = "dlmc_ref_clk0";
> +
> +                       /*
> +                        * Power is specified by three parts:
> +                        * 1) GPIO handle (must be &gpio)
> +                        * 2) GPIO pin number
> +                        * 3) Active high (0) or active low (1)
> +                        */
> +                       xhci at 1680000000000 {
> +                               compatible = "cavium,octeon-7130-xhci","synopsys,dwc3","snps,dwc3";
> +                               reg = <0x16800 0x00000000 0x10 0x0>;
> +                               interrupts = <0x68080 4>; /* UAHC_IMAN, level */
> +                               maximum-speed = "super-speed";
> +                               dr_mode = "host";
> +                               snps,dis_u3_susphy_quirk;
> +                               snps,dis_u2_susphy_quirk;
> +                               snps,dis_enblslpm_quirk;
> +                       };
> +               };
> +
> +               /* USB 1 */
> +               usb1: uctl at 1180069000000 {
> +                       compatible = "cavium,octeon-7130-usb-uctl";
> +                       reg = <0x11800 0x69000000 0x0 0x100>;
> +                       ranges; /* Direct mapping */
> +                       #address-cells = <2>;
> +                       #size-cells = <2>;
> +                       /* 50MHz, 100MHz and 125MHz allowed */
> +                       refclk-frequency = <100000000>;
> +                       /* Either "dlmc_ref_clk0" or "dlmc_ref_clk0" */
> +                       refclk-type-ss = "dlmc_ref_clk0";
> +                       /* Either "dlmc_ref_clk0" "dlmc_ref_clk1" or "pll_ref_clk" */
> +                       refclk-type-hs = "dlmc_ref_clk0";
> +
> +                       /*
> +                        * Power is specified by three parts:
> +                        * 1) GPIO handle (must be &gpio)
> +                        * 2) GPIO pin number
> +                        * 3) Active high (0) or active low (1)
> +                        */
> +                       xhci at 1690000000000 {
> +                               compatible = "cavium,octeon-7130-xhci","synopsys,dwc3","snps,dwc3";
> +                               reg = <0x16900 0x00000000 0x10 0x0>;
> +                               interrupts = <0x69080 4>; /* UAHC_IMAN, level */
> +                               dr_mode = "host";
> +                       };
> +               };
>         };
>  };
> diff --git a/arch/mips/dts/mrvl,octeon-ebb7304.dts b/arch/mips/dts/mrvl,octeon-ebb7304.dts
> index 6b2e5e84bc..cd576db478 100644
> --- a/arch/mips/dts/mrvl,octeon-ebb7304.dts
> +++ b/arch/mips/dts/mrvl,octeon-ebb7304.dts
> @@ -113,3 +113,25 @@
>                 reg = <0>;
>         };
>  };
> +
> +/* USB 0 */
> +&usb0 {
> +       status = "okay";
> +       /* Power is specified by three parts:

Looks this was missed

> +        * 1) GPIO handle (must be &gpio)
> +        * 2) GPIO pin number
> +        * 3) Active high (0) or active low (1)
> +        */
> +       power = <&gpio 20 0>;
> +};
> +
> +/* USB 1 */
> +&usb1 {
> +       status = "okay";
> +       /* Power is specified by three parts:

ditto

> +        * 1) GPIO handle (must be &gpio)
> +        * 2) GPIO pin number
> +        * 3) Active high (0) or active low (1)
> +        */
> +       power = <&gpio 21 0>;
> +};
> --

Regards,
Bin


More information about the U-Boot mailing list