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From: Aradhya Bhatia <a-bhatia1@ti.com>
To: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
        Jyri Sarha
	<jyri.sarha@iki.fi>,
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	<krzk+dt@kernel.org>,
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CC: DRI Development List <dri-devel@lists.freedesktop.org>,
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	<devicetree@vger.kernel.org>,
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        Nishanth Menon <nm@ti.com>, Vignesh
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        Alexander
 Sverdlin <alexander.sverdlin@siemens.com>,
        Randolph Sapp <rs@ti.com>, Devarsh
 Thakkar <devarsht@ti.com>,
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        Aradhya Bhatia <a-bhatia1@ti.com>
Subject: [PATCH 3/4] dt-bindings: display: ti,am65x-dss: Add OLDI properties for AM625 DSS
Date: Sun, 12 May 2024 01:00:54 +0530
Message-ID: <20240511193055.1686149-4-a-bhatia1@ti.com>
In-Reply-To: <20240511193055.1686149-1-a-bhatia1@ti.com>
References: <20240511193055.1686149-1-a-bhatia1@ti.com>
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The DSS in AM625 SoC has 2 OLDI TXes. Refer the OLDI schema to add the
properties.

Signed-off-by: Aradhya Bhatia <a-bhatia1@ti.com>
---
 .../bindings/display/ti/ti,am65x-dss.yaml     | 136 +++++++++++++++++-
 1 file changed, 135 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml b/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
index 399d68986326..4aa2de59b32b 100644
--- a/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
+++ b/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
@@ -85,12 +85,30 @@ properties:
 
     properties:
       port@0:
-        $ref: /schemas/graph.yaml#/properties/port
+        $ref: /schemas/graph.yaml#/$defs/port-base
         description:
           For AM65x DSS, the OLDI output port node from video port 1.
           For AM625 DSS, the internal DPI output port node from video
           port 1.
           For AM62A7 DSS, the port is tied off inside the SoC.
+        properties:
+          endpoint@0:
+            $ref: /schemas/graph.yaml#/properties/endpoint
+            description:
+              For AM625 DSS, VP Connection to OLDI0.
+              For AM65X DSS, OLDI output from the SoC.
+
+          endpoint@1:
+            $ref: /schemas/graph.yaml#/properties/endpoint
+            description:
+              For AM625 DSS, VP Connection to OLDI1.
+
+        anyOf:
+          - required:
+              - endpoint
+          - required:
+              - endpoint@0
+              - endpoint@1
 
       port@1:
         $ref: /schemas/graph.yaml#/properties/port
@@ -112,6 +130,22 @@ properties:
       Input memory (from main memory to dispc) bandwidth limit in
       bytes per second
 
+  oldi-txes:
+    type: object
+    properties:
+      "#address-cells":
+        const: 1
+
+      "#size-cells":
+        const: 0
+
+    patternProperties:
+      '^oldi_tx@[0-1]$':
+        type: object
+        $ref: ti,am625-oldi.yaml#
+        unevaluatedProperties: false
+        description: OLDI transmitters connected to the DSS VPs
+
 allOf:
   - if:
       properties:
@@ -123,6 +157,19 @@ allOf:
         ports:
           properties:
             port@0: false
+            oldi_txes: false
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: ti,am65x-dss
+    then:
+      properties:
+        oldi_txes: false
+        port@0:
+          properties:
+            endpoint@1: false
 
 required:
   - compatible
@@ -171,3 +218,90 @@ 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-txes {
+                #address-cells = <1>;
+                #size-cells = <0>;
+                oldi0: oldi@0 {
+                    reg = <0>;
+                    clocks = <&k3_clks 186 0>;
+                    clock-names = "s_clk";
+                    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>;
+                            };
+                        };
+                    };
+                };
+                oldi1: oldi@1 {
+                    reg = <1>;
+                    ti,secondary-oldi;
+                    ports {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        port@0 {
+                            reg = <0>;
+                            oldi1_in: endpoint {
+                                remote-endpoint = <&dpi0_out1>;
+                            };
+                        };
+                    };
+                };
+            };
+            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>;
+                    };
+                };
+            };
+        };
+    };
-- 
2.34.1