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SubjectRe: [PATCH 2/2] arm64: dts: ti: k3-j721e-common-proc-board: add DP to j7 evm
From
On 22/02/2022 18:32, Rahul T R wrote:
> From: Tomi Valkeinen <tomi.valkeinen@ti.com>
>
> Add the endpoint nodes to describe connection from
> DSS => MHDP => DisplayPort connector.
> Also add the required pinmux nodes for hotplug.
>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
> Signed-off-by: Rahul T R <r-ravikumar@ti.com>
> ---
> .../dts/ti/k3-j721e-common-proc-board.dts | 66 +++++++++++++++++--
> 1 file changed, 62 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
> index 2d7596911b27..fe20c193f299 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
> +++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
> @@ -148,6 +148,28 @@
> pinctrl-0 = <&main_mcan2_gpio_pins_default>;
> standby-gpios = <&main_gpio0 127 GPIO_ACTIVE_HIGH>;
> };
> +
> + dp_pwr_3v3: fixedregulator-dp-prw {
> + compatible = "regulator-fixed";
> + regulator-name = "dp-pwr";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&exp4 0 0>; /* P0 - DP0_PWR_SW_EN */
> + enable-active-high;
> + };
> +
> + dp0: connector {
> + compatible = "dp-connector";
> + label = "DP0";
> + type = "full-size";
> + dp-pwr-supply = <&dp_pwr_3v3>;
> +
> + port {
> + dp_connector_in: endpoint {
> + remote-endpoint = <&dp0_out>;
> + };
> + };
> + };
> };
>
> &main_pmx0 {
> @@ -190,6 +212,12 @@
> >;
> };
>
> + dp0_pins_default: dp0-pins-default {
> + pinctrl-single,pins = <
> + J721E_IOPAD(0x1c4, PIN_INPUT, 5) /* SPI0_CS1.DP0_HPD */
> + >;
> + };
> +
> main_i2c1_exp4_pins_default: main-i2c1-exp4-pins-default {
> pinctrl-single,pins = <
> J721E_IOPAD(0x230, PIN_INPUT, 7) /* (U2) ECAP0_IN_APWM_OUT.GPIO1_11 */
> @@ -660,6 +688,40 @@
> <&k3_clks 152 18>; /* PLL23_HSDIV0 */
> };
>
> +&dss_ports {
> + port@0 {
> + reg = <0>;
> +
> + dpi0_out: endpoint {
> + remote-endpoint = <&dp0_in>;
> + };
> + };
> +};
> +
> +&mhdp {
> + pinctrl-names = "default";
> + pinctrl-0 = <&dp0_pins_default>;
> +};
> +
> +&dp0_ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + dp0_in: endpoint {
> + remote-endpoint = <&dpi0_out>;
> + };
> + };
> +
> + port@4 {
> + reg = <4>;
> + dp0_out: endpoint {
> + remote-endpoint = <&dp_connector_in>;
> + };
> + };
> +};
> +
> &mcasp0 {
> status = "disabled";
> };
> @@ -845,10 +907,6 @@
> status = "disabled";
> };
>
> -&dss {
> - status = "disabled";
> -};
> -
> &icssg0_mdio {
> status = "disabled";
> };

Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>

Tomi

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