On Wed, May 15, 2019 at 01:09:12PM +0100, Biju Das wrote:
> This patch enables TI HD3SS3220 device and support usb role switch
> for the CAT 874 platform.
>
> Signed-off-by: Biju Das <biju.das@xxxxxxxxxxxxxx>
> ---
> V5-->V6
> * No change
> V4-->V5
> * No change
> V3-->V4
> * No change
> V2-->V3
> * Used "renesas,usb-role-switch" instead of generic "usb-role-switch"
> property
> V1-->V2
> * New patch
> ---
> arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts | 39 +++++++++++++++++++++++++
> 1 file changed, 39 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts
> index b9ae7db..124ed58 100644
> --- a/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts
> @@ -85,6 +85,34 @@
> clock-frequency = <48000000>;
> };
>
> +&i2c0 {
> + status = "okay";
> + clock-frequency = <100000>;
> +
> + hd3ss3220@47 {
> + compatible = "ti,hd3ss3220";
> + reg = <0x47>;
> + interrupt-parent = <&gpio6>;
> + interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
> +
> + usb_con: connector {
> + compatible = "usb-c-connector";
> + label = "USB-C";
> + data-role = "dual";
> + };
> +
> + port {
port should be a child of 'connector' node. It should also be port #1 if
this is a SuperSpeed controller. Port #0 is HS.
As there are multiple ports possible, there should be a 'ports' node
too.
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + hd3ss3220_ep: endpoint@0 {
> + reg = <0>;
Don't need reg when there is only 1. Build your dtb with W=1 as that
will tell you this.
> + remote-endpoint = <&usb3peri_role_switch>;
> + };
> + };
> + };
> +};
> +
> &i2c1 {
> pinctrl-0 = <&i2c1_pins>;
> pinctrl-names = "default";
> @@ -175,6 +203,17 @@
> &usb3_peri0 {
> companion = <&xhci0>;
> status = "okay";
> + usb-role-switch;
> +
> + port {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + usb3peri_role_switch: endpoint@0 {
> + reg = <0>;
> + remote-endpoint = <&hd3ss3220_ep>;
> + };
> + };
> };
>
> &xhci0 {
> --
> 2.7.4
>
