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

Stefan Roese sr at denx.de
Fri Aug 21 09:53:16 CEST 2020


Hi Bin,

On 21.08.20 08:29, Bin Meng wrote:
> 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

Ups, too bad. Next version will be final (I hope). ;)

Thanks,
Stefan

>> +        * 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
> 


Viele Grüße,
Stefan

-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: sr at denx.de


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