Re: [PATCH v7 8/9] arm64: dts: qcom: sa8295p: Enable tertiary controller and its 4 USB ports
From: Konrad Dybcio
Date: Thu May 04 2023 - 02:37:59 EST
On 3.05.2023 05:55, Krishna Kurapati PSSNV wrote:
>
>
> On 5/2/2023 4:36 PM, Konrad Dybcio wrote:
>>
>>
>> On 1.05.2023 16:34, Krishna Kurapati wrote:
>>> Enable tertiary controller for SA8295P (based on SC8280XP).
>>> Add pinctrl support for usb ports to provide VBUS to connected peripherals.
>>>
>>> Signed-off-by: Krishna Kurapati <quic_kriskura@xxxxxxxxxxx>
>>> ---
>>> arch/arm64/boot/dts/qcom/sa8295p-adp.dts | 47 ++++++++++++++++++++++++
>>> 1 file changed, 47 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
>>> index fd253942e5e5..7e6061c43835 100644
>>> --- a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
>>> +++ b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
>>> @@ -584,6 +584,19 @@ &usb_1_qmpphy {
>>> status = "okay";
>>> };
>>> +&usb_2 {
>>> + pinctrl-names = "default";
>>> + pinctrl-0 = <&usb2_en_state>,
>>> + <&usb3_en_state>,
>>> + <&usb4_en_state>,
>>> + <&usb5_en_state>;
>> This is misaligned. Also, please do property-n before property-names.
>>
>>> + status = "okay";
>>> +};
>>> +
>>> +&usb_2_dwc3 {
>>> + dr_mode = "host";
>>> +};
>>> +
>>> &usb_2_hsphy0 {
>>> vdda-pll-supply = <&vreg_l5a>;
>>> vdda18-supply = <&vreg_l7g>;
>>> @@ -729,3 +742,37 @@ wake-n-pins {
>>> };
>>> };
>>> };
>>> +
>>> +&pmm8540c_gpios {
>>> + usb2_en_state: usb2-en-state {
>>> + pins = "gpio9";
>>> + function = "normal";
>>> + output-high;
>>> + power-source = <0>;
>> No drive-strength values?
>>
>> Konrad
>
> Hi Konrad,
>
> TBH, I didn't add the drive strength values as things worked out of the box with the current changes (may be the default value of drive strength is sufficient for us).
>
> Let me know if it is mandatory, I will add it up in the next version.
It's not, but it helps eliminate one more potential inconsistency
Konrad
>
> Regards,
> Krishna,
>
>>> + };
>>> +};
>>> +
>>> +&pmm8540e_gpios {
>>> + usb3_en_state: usb3-en-state {
>>> + pins = "gpio5";
>>> + function = "normal";
>>> + output-high;
>>> + power-source = <0>;
>>> + };
>>> +};
>>> +
>>> +&pmm8540g_gpios {
>>> + usb4_en_state: usb4-en-state {
>>> + pins = "gpio5";
>>> + function = "normal";
>>> + output-high;
>>> + power-source = <0>;
>>> + };
>>> +
>>> + usb5_en_state: usb5-en-state {
>>> + pins = "gpio9";
>>> + function = "normal";
>>> + output-high;
>>> + power-source = <0>;
>>> + };
>>> +};