[PATCH RFC 04/13] dt-bindings: display: bridge: Add starfive,jh7110-hdmi-controller

[Michal Wilczynski]

Add the dt-binding for the StarFive JH7110 Innosilicon HDMI controller
(DRM bridge).

This device is the second child of the starfive,jh7110-hdmi-mfd node. It
consumes register access clocks (sys, mclk, bclk) from the voutcrg and
both the pixel clock (pclk) and the PHY from its hdmi_phy sibling.

Signed-off-by: Michal Wilczynski <m.wilczynski at samsung.com>
---
 .../starfive,jh7110-inno-hdmi-controller.yaml      | 123 +++++++++++++++++++++
 MAINTAINERS                                        |   1 +
 2 files changed, 124 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/bridge/starfive,jh7110-inno-hdmi-controller.yaml b/Documentation/devicetree/bindings/display/bridge/starfive,jh7110-inno-hdmi-controller.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..3707c9dbff9c9fdc0ed7db4720a6dd8eabeeb774
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/starfive,jh7110-inno-hdmi-controller.yaml
@@ -0,0 +1,123 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/starfive,jh7110-inno-hdmi-controller.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 Innosilicon HDMI Controller
+
+maintainers:
+  - Michal Wilczynski <m.wilczynski at samsung.com>
+
+description:
+  The controller portion of the StarFive JH7110 INNO HDMI IP.
+
+properties:
+  compatible:
+    const: starfive,jh7110-inno-hdmi-controller
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: System clock for register access
+      - description: Module clock
+      - description: Bus clock
+      - description: Pixel clock from PHY
+
+  clock-names:
+    items:
+      - const: sys
+      - const: mclk
+      - const: bclk
+      - const: pclk
+
+  resets:
+    maxItems: 1
+
+  reset-names:
+    const: hdmi_tx
+
+  phys:
+    maxItems: 1
+
+  phy-names:
+    const: hdmi-phy
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+    description:
+      A graph node with one input port and one output port.
+
+required:
+  - compatible
+  - interrupts
+  - clocks
+  - clock-names
+  - resets
+  - reset-names
+  - phys
+  - phy-names
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/starfive,jh7110-crg.h>
+    #include <dt-bindings/reset/starfive,jh7110-crg.h>
+
+    soc {
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        hdmi_mfd: hdmi at 29590000 {
+            compatible = "starfive,jh7110-hdmi-mfd";
+            reg = <0x29590000 0x4000>;
+
+            hdmi_phy: phy {
+                compatible = "starfive,jh7110-inno-hdmi-phy";
+                clocks = <&xin24m>;
+                clock-names = "refoclk";
+                #clock-cells = <0>;
+                clock-output-names = "hdmi_pclk";
+                #phy-cells = <0>;
+            };
+
+            hdmi_controller: controller {
+                compatible = "starfive,jh7110-inno-hdmi-controller";
+                interrupts = <99>;
+                clocks = <&voutcrg JH7110_VOUTCLK_HDMI_TX_SYS>,
+                         <&voutcrg JH7110_VOUTCLK_HDMI_TX_MCLK>,
+                         <&voutcrg JH7110_VOUTCLK_HDMI_TX_BCLK>,
+                         <&hdmi_phy>;
+                clock-names = "sys", "mclk", "bclk", "pclk";
+                resets = <&voutcrg JH7110_VOUTRST_HDMI_TX_HDMI>;
+                reset-names = "hdmi_tx";
+                phys = <&hdmi_phy>;
+                phy-names = "hdmi-phy";
+
+                ports {
+                    #address-cells = <1>;
+                    #size-cells = <0>;
+
+                    port at 0 {
+                        reg = <0>;
+                        hdmi_in: endpoint {
+                            remote-endpoint = <&dpu_out_dpi0>;
+                        };
+                    };
+
+                    port at 1 {
+                        reg = <1>;
+                        hdmi_out: endpoint {
+                            remote-endpoint = <&hdmi_con_in>;
+                        };
+                    };
+                };
+            };
+        };
+    };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index a75ba7a44ee84db6a75b91c1a0867a37db2ebcdb..66fab45bbee8c1a5f73d09bb470d28029b8c6139 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -24047,6 +24047,7 @@ F:	drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c
 STARFIVE JH7110 DISPLAY SUBSYSTEM
 M:	Michal Wilczynski <m.wilczynski at samsung.com>
 S:	Maintained
+F:	Documentation/devicetree/bindings/display/bridge/starfive,jh7110-inno-hdmi-controller.yaml
 F:	Documentation/devicetree/bindings/phy/starfive,jh7110-inno-hdmi-phy.yaml
 F:	Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-vout-subsystem.yaml
 

-- 
2.34.1