On 14:38-20220427, Aradhya Bhatia wrote:
> Add DT nodes for sil9022 HDMI transmitter (tx), HDMI connector and the
> HDMI fixed master clock on the am625-sk board.
>
> Additionally, add and connect output port for DSS (vp2), input and output
> ports for the sil9022 HDMI tx and the input port for the HDMI connector.
>
> The sil9022 HDMI tx is connected on the i2c1 bus. The HDMI connector on
> the board is of type "a". The clock frequency of the master clock that
> supports the HDMI tx is 12.288 MHz.
>
> The dpi output signals from the vp2 of DSS are fed into the sil9022 HDMI
> transmitter. These signals are converted into HDMI signals which are
> further passed on to the HDMI connector on the board, on which display
> can be connected via appropriate HDMI cables.
>
> Signed-off-by: Aradhya Bhatia <a-bhatia1@xxxxxx>
> ---
> arch/arm64/boot/dts/ti/k3-am625-sk.dts | 63 ++++++++++++++++++++++++++
> 1 file changed, 63 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> index 96414c5dacf7..9567fa4a447b 100644
> --- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> @@ -134,6 +134,23 @@ led-0 {
> default-state = "off";
> };
> };
> +
> + hdmi_mstrclk: hdmi-mstrclk {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <12288000>;
> + };
> +
> + hdmi: connector {
> + compatible = "hdmi-connector";
> + label = "hdmi";
> + type = "a";
> + port {
> + hdmi_connector_in: endpoint {
> + remote-endpoint = <&sii9022_out>;
> + };
> + };
> + };
> };
>
> &main_pmx0 {
> @@ -385,6 +402,38 @@ exp1: gpio@22 {
> pinctrl-names = "default";
> pinctrl-0 = <&main_gpio1_ioexp_intr_pins_default>;
> };
> +
> + sii9022: sii9022@3b {
> + compatible = "sil,sii9022";
> + reg = <0x3b>;
> +
> + clocks = <&hdmi_mstrclk>;
> + clock-names = "mclk";
> +
> + interrupt-parent = <&exp1>;
> + interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + sii9022_in: endpoint {
> + remote-endpoint = <&dpi1_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + sii9022_out: endpoint {
> + remote-endpoint = <&hdmi_connector_in>;
> + };
> + };
> + };
> + };
> };
>
> &main_i2c2 {
> @@ -450,6 +499,20 @@ &dss {
> pinctrl-0 = <&main_dss0_pins_default>;
> };
>
> +&dss_ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + /* VP2: DPI Output */
> + port@1 {
> + reg = <1>;
> +
> + dpi1_out: endpoint {
> + remote-endpoint = <&sii9022_in>;
> + };
> + };
> +};
> +
> &mailbox0_cluster0 {
> mbox_m4_0: mbox-m4-0 {
> ti,mbox-rx = <0 0 0>;
> --
> 2.36.0
>
Reviewed-by: Rahul T R <r-ravikumar@xxxxxx>
