Quoting Yossi Mansharoff (2018-04-17 06:56:30)
> We currently have three device nodes for the same USB hardware
> block, as evident by the reuse of the same reg address multiple
> times. Now that the chipidea driver fully supports OTG with the
> MSM wrapper we can collapse all these nodes into one USB device
> node, reflecting the true nature of the hardware.
None of this makes sense. Commit text is totally bogus now.
>
> diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
> index 9ff8487..1505921 100644
> --- a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
> +++ b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
> @@ -371,18 +372,18 @@
> adp-disable;
> hnp-disable;
> srp-disable;
> - dr_mode = "host";
> - pinctrl-names = "default";
> - pinctrl-0 = <&usb_sw_sel_pm>;
> + mux-controls = <&usb_switch>;
> + mux-control-names = "usb_switch";
> +
> ulpi {
> phy {
> v1p8-supply = <&pm8916_l7>;
> v3p3-supply = <&pm8916_l13>;
> - extcon = <&usb_id>;
> };
> };
> };
>
> +
Why the newline?
> lpass@7708000 {
> status = "okay";
> };
> @@ -512,11 +513,17 @@
>
> usb_id: usb-id {
> compatible = "linux,extcon-usb-gpio";
> - vbus-gpio = <&msmgpio 121 GPIO_ACTIVE_HIGH>;
> + id-gpio = <&msmgpio 121 GPIO_ACTIVE_HIGH>;
Hmm?
> pinctrl-names = "default";
> pinctrl-0 = <&usb_id_default>;
> };
>
> + usb_switch: usb-switch {
> + compatible = "gpio-mux";
Needs a better compatible string for the actual mux part. The gpio-mux
can come after that because it's generic, but it's good to record the
actual mux part too.
> + mux-gpios = <&pm8916_gpios 4 GPIO_ACTIVE_HIGH>;
> + #mux-control-cells = <0>;
> + };
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