Re: [PATCH 2/2] arm64: dts: mediatek: mt8395-genio-1200-evk: add support for TCPC port

From: Rob Herring
Date: Tue Oct 15 2024 - 16:56:47 EST


On Tue, Oct 15, 2024 at 06:33:37PM +0800, Macpaul Lin wrote:
> From: Fabien Parent <fparent@xxxxxxxxxxxx>
>
> Enable USB Type-C support on MediaTek MT8395 Genio 1200 EVK by adding
> configuration for TCPC Port, USB-C connector, and related settings.
>
> Configure dual role switch capability, set up PD (Power Delivery) profiles,
> and establish endpoints for SSUSB (SuperSpeed USB).
>
> Update pinctrl configurations for U3 P0 VBus default pins and set dr_mode
> to "otg" for OTG (On-The-Go) mode operation.
>
> Signed-off-by: Fabien Parent <fparent@xxxxxxxxxxxx>
> Signed-off-by: Simon Sun <simon.sun@xxxxxxxxxxxxxxx>
> Signed-off-by: Macpaul Lin <macpaul.lin@xxxxxxxxxxxx>
> ---
> .../dts/mediatek/mt8395-genio-1200-evk.dts | 51 +++++++++++++++++++
> 1 file changed, 51 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts b/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts
> index 5f16fb820580..b91a46f4a702 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts
> @@ -249,6 +249,39 @@ mt6360: pmic@34 {
> #interrupt-cells = <1>;
> pinctrl-0 = <&mt6360_pins>;
>
> + tcpc {
> + compatible = "mediatek,mt6360-tcpc";
> + interrupts-extended = <&pio 17 IRQ_TYPE_LEVEL_LOW>;
> + interrupt-names = "PD_IRQB";
> +
> + connector {
> + compatible = "usb-c-connector";
> + label = "USB-C";
> + data-role = "dual";
> + power-role = "dual";
> + try-power-role = "sink";
> + source-pdos = <PDO_FIXED(5000, 1000, \
> + PDO_FIXED_DUAL_ROLE | \
> + PDO_FIXED_DATA_SWAP)>;
> + sink-pdos = <PDO_FIXED(5000, 2000, \
> + PDO_FIXED_DUAL_ROLE | \
> + PDO_FIXED_DATA_SWAP)>;
> + op-sink-microwatt = <10000000>;
> + };
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + mt6360_ssusb_ep: endpoint {
> + remote-endpoint = <&ssusb_ep>;

No, this is wrong. This should go to 'port@1' in the connector node.
That is the SS connection.

Rob