Re: [PATCH v2 2/2] arm64: dts: ti: k3-am625-sk: Enable Type-C port for USB0

From: Nishanth Menon
Date: Tue Mar 28 2023 - 09:18:27 EST


On 15:43-20230328, Roger Quadros wrote:
> USB0 is a Type-C port with dual data role and power sink.
>
> Signed-off-by: Roger Quadros <rogerq@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts | 4 ++
> arch/arm64/boot/dts/ti/k3-am625-sk.dts | 44 ++++++++++++++++++-
> .../arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 4 --
> 3 files changed, 47 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts b/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
> index b2ca19e3042e..a3c3609833fd 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
> @@ -225,3 +225,7 @@ ldo4_reg: ldo4 {
> };
> };
> };
> +
> +&usb0 {
> + dr_mode = "peripheral";
> +};
> diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> index cdc0858dd1b2..13fdaa9ce4e7 100644
> --- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> @@ -136,6 +136,35 @@ AM62X_IOPAD(0x01d4, PIN_INPUT, 7) /* (B15) UART0_RTSn.GPIO1_23 */
> };
> };
>
> +&main_i2c0 {
> + typec_pd: tps6598x@3f {
> + compatible = "ti,tps6598x";
> + reg = <0x3f>;
> + interrupt-parent = <&exp1>;
> + interrupts = <17 IRQ_TYPE_EDGE_FALLING>;
> + interrupt-names = "irq";
> +
> + connector {
> + compatible = "usb-c-connector";
> + label = "USB-C";
> + self-powered;
> + data-role = "dual";
> + power-role = "sink";
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + usb_con_hs: endpoint {
> + remote-endpoint = <&usb0_hs_ep>;
> + };
> + };
> + };
> + };
> + };
> +};
> +
> &main_i2c1 {
> exp1: gpio@22 {
> compatible = "ti,tca6424";
> @@ -150,7 +179,7 @@ exp1: gpio@22 {
> "UART1_FET_BUF_EN", "WL_LT_EN",
> "GPIO_HDMI_RSTn", "CSI_GPIO1",
> "CSI_GPIO2", "PRU_3V3_EN",
> - "HDMI_INTn", "TEST_GPIO2",
> + "HDMI_INTn", "PD_I2C_IRQ",
> "MCASP1_FET_EN", "MCASP1_BUF_BT_EN",
> "MCASP1_FET_SEL", "UART1_FET_SEL",
> "TSINT#", "IO_EXP_TEST_LED";
> @@ -256,3 +285,16 @@ partition@3fc0000 {
> };
> };
> };
> +
> +&usb0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + usb-role-switch;
> +
> + port@0 {
> + reg = <0>;
> + usb0_hs_ep: endpoint {
> + remote-endpoint = <&usb_con_hs>;
> + };
> + };
> +};
> diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> index 80e8b9b9a5f5..e3223088b90c 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> @@ -264,10 +264,6 @@ &usbss1 {
> ti,vbus-divider;
> };
>
> -&usb0 {
> - dr_mode = "peripheral";
> -};
> -

How about sk-lp ?

> &usb1 {
> dr_mode = "host";
> pinctrl-names = "default";
> --
> 2.34.1
>

--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D