Hi Aradhya, > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/ti/ti,am625-oldi.yaml > @@ -0,0 +1,80 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/ti/ti,am625-oldi.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Texas Instruments AM625 OLDI Transmitter > + > +maintainers: > + - Tomi Valkeinen <tomi.valkei...@ideasonboard.com> > + - Aradhya Bhatia <aradhya.bha...@linux.dev> > + > +description: > + The AM625 TI Keystone OpenLDI transmitter (OLDI TX) supports serialized RGB > + pixel data transmission between host and flat panel display over LVDS (Low > + Voltage Differential Sampling) interface. The OLDI TX consists of 7-to-1 > data > + serializers, and 4-data and 1-clock LVDS outputs. It supports the LVDS > output > + formats "jeida-18", "jeida-24" and "vesa-18", and can accept 24-bit RGB or > + padded and un-padded 18-bit RGB bus formats as input. > + > +properties: > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + description: serial clock input for the OLDI transmitters > + > + clock-names: > + const: serial > + > + ti,companion-oldi: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: > + phandle to companion OLDI transmitter. This property is mandatory for > the > + primarty OLDI TX if the OLDI TXes are expected to work either in > dual-lvds
primary
> + mode or in clone mode. This property should point to the secondary OLDI
> + TX.
You should mention that the second OLDI should also point back to
the primary OLDI using this property.
> + ti,secondary-oldi:
> + type: boolean
> + description:
> + Boolean property to mark the OLDI transmitter as the secondary one,
> when the
> + OLDI hardware is expected to run as a companion HW, in cases of
> dual-lvds
> + mode or clone mode. The primary OLDI hardware is responsible for all
> the
> + hardware configuration.
> +
> --- a/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
> +++ b/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
..
> @@ -190,3 +244,105 @@ examples:
> };
> };
> };
> +
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + #include <dt-bindings/soc/ti,sci_pm_domain.h>
> +
> + bus {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + dss1: dss@30200000 {
> + compatible = "ti,am625-dss";
> + reg = <0x00 0x30200000 0x00 0x1000>, /* common */
> + <0x00 0x30202000 0x00 0x1000>, /* vidl1 */
> + <0x00 0x30206000 0x00 0x1000>, /* vid */
> + <0x00 0x30207000 0x00 0x1000>, /* ovr1 */
> + <0x00 0x30208000 0x00 0x1000>, /* ovr2 */
> + <0x00 0x3020a000 0x00 0x1000>, /* vp1 */
> + <0x00 0x3020b000 0x00 0x1000>, /* vp2 */
> + <0x00 0x30201000 0x00 0x1000>; /* common1 */
> + reg-names = "common", "vidl1", "vid",
> + "ovr1", "ovr2", "vp1", "vp2", "common1";
> + power-domains = <&k3_pds 186 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 186 6>,
> + <&vp1_clock>,
> + <&k3_clks 186 2>;
> + clock-names = "fck", "vp1", "vp2";
> + interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
> + oldi-transmitters {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + oldi0: oldi@0 {
> + reg = <0>;
> + clocks = <&k3_clks 186 0>;
> + clock-names = "serial";
> + ti,companion-oldi = <&oldi1>;
> + ti,oldi-io-ctrl = <&dss_oldi_io_ctrl>;
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + port@0 {
> + reg = <0>;
> + oldi0_in: endpoint {
> + remote-endpoint = <&dpi0_out0>;
> + };
> + };
> + port@1 {
> + reg = <1>;
> + oldi0_out: endpoint {
> + remote-endpoint = <&panel_in0>;
> + };
> + };
> + };
> + };
> + oldi1: oldi@1 {
> + reg = <1>;
> + clocks = <&k3_clks 186 0>;
> + clock-names = "serial";
.. and update this example :)
-michael
> + ti,secondary-oldi;
> + ti,oldi-io-ctrl = <&dss_oldi_io_ctrl>;
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + port@0 {
> + reg = <0>;
> + oldi1_in: endpoint {
> + remote-endpoint = <&dpi0_out1>;
> + };
> + };
> + port@1 {
> + reg = <1>;
> + oldi1_out: endpoint {
> + remote-endpoint = <&panel_in1>;
> + };
> + };
> + };
> + };
> + };
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + port@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + dpi0_out0: endpoint@0 {
> + reg = <0>;
> + remote-endpoint = <&oldi0_in>;
> + };
> + dpi0_out1: endpoint@1 {
> + reg = <1>;
> + remote-endpoint = <&oldi1_in>;
> + };
> + };
> + port@1 {
> + reg = <1>;
> + dpi1_out: endpoint {
> + remote-endpoint = <&hdmi_bridge>;
> + };
> + };
> + };
> + };
> + };
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