Thread (34 messages) 34 messages, 4 authors, 2024-08-19
STALE694d
Revisions (9)
  1. v1 [diff vs current]
  2. v2 [diff vs current]
  3. v3 current
  4. v4 [diff vs current]
  5. v5 [diff vs current]
  6. v6 [diff vs current]
  7. v7 [diff vs current]
  8. v8 [diff vs current]
  9. v9 [diff vs current]

[PATCH v3 03/19] dt-bindings: display: imx: Add i.MX8qxp Display Controller display engine

From: Liu Ying <victor.liu@nxp.com>
Date: 2024-07-24 09:21:24
Also in: dri-devel, imx, linux-devicetree, linux-phy, lkml
Subsystem: drm drivers, drm drivers and misc gpu patches, drm drivers for freescale imx 5/6, drm drivers for freescale imx8 display controller, open firmware and flattened device tree bindings, the rest · Maintainers: David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Philipp Zabel, Liu Ying, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds

i.MX8qxp Display Controller display engine consists of all processing units
that operate in a display clock domain.

Signed-off-by: Liu Ying <victor.liu@nxp.com>
---
v3:
* No change.

v2:
* Drop fsl,dc-*-id DT properties. (Krzysztof)
* Drop port property. (Krzysztof)
* Fix register range sizes in example.

 .../imx/fsl,imx8qxp-dc-display-engine.yaml    | 152 ++++++++++++++++++
 1 file changed, 152 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-display-engine.yaml
diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-display-engine.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-display-engine.yaml
new file mode 100644
index 000000000000..91f3bb77d8d0
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-display-engine.yaml
@@ -0,0 +1,152 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-display-engine.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX8qxp Display Controller Display Engine
+
+description:
+  All Processing Units that operate in a display clock domain. Pixel pipeline
+  is driven by a video timing and cannot be stalled. Implements all display
+  specific processing.
+
+maintainers:
+  - Liu Ying <victor.liu@nxp.com>
+
+properties:
+  compatible:
+    const: fsl,imx8qxp-dc-display-engine
+
+  reg:
+    maxItems: 2
+
+  reg-names:
+    items:
+      - const: top
+      - const: cfg
+
+  resets:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 3
+
+  interrupt-names:
+    items:
+      - const: shdload
+      - const: framecomplete
+      - const: seqcomplete
+
+  power-domains:
+    maxItems: 1
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 1
+
+  ranges: true
+
+patternProperties:
+  "^dither@[0-9a-f]+$":
+    type: object
+    additionalProperties: true
+
+    properties:
+      compatible:
+        const: fsl,imx8qxp-dc-dither
+
+  "^framegen@[0-9a-f]+$":
+    type: object
+    additionalProperties: true
+
+    properties:
+      compatible:
+        const: fsl,imx8qxp-dc-framegen
+
+  "^gammacor@[0-9a-f]+$":
+    type: object
+    additionalProperties: true
+
+    properties:
+      compatible:
+        const: fsl,imx8qxp-dc-gammacor
+
+  "^matrix@[0-9a-f]+$":
+    type: object
+    additionalProperties: true
+
+    properties:
+      compatible:
+        const: fsl,imx8qxp-dc-matrix
+
+  "^signature@[0-9a-f]+$":
+    type: object
+    additionalProperties: true
+
+    properties:
+      compatible:
+        const: fsl,imx8qxp-dc-signature
+
+  "^tcon@[0-9a-f]+$":
+    type: object
+    additionalProperties: true
+
+    properties:
+      compatible:
+        const: fsl,imx8qxp-dc-tcon
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - interrupts
+  - interrupt-names
+  - power-domains
+  - "#address-cells"
+  - "#size-cells"
+  - ranges
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx8-lpcg.h>
+    #include <dt-bindings/firmware/imx/rsrc.h>
+
+    display-engine@5618b400 {
+        compatible = "fsl,imx8qxp-dc-display-engine";
+        reg = <0x5618b400 0x14>, <0x5618b800 0x1c00>;
+        reg-names = "top", "cfg";
+        interrupt-parent = <&dc0_intc>;
+        interrupts = <15>, <16>, <17>;
+        interrupt-names = "shdload", "framecomplete", "seqcomplete";
+        power-domains = <&pd IMX_SC_R_DC_0_PLL_0>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+        ranges;
+
+        framegen@5618b800 {
+            compatible = "fsl,imx8qxp-dc-framegen";
+            reg = <0x5618b800 0x98>;
+            clocks = <&dc0_disp_lpcg IMX_LPCG_CLK_0>;
+            interrupt-parent = <&dc0_intc>;
+            interrupts = <18>, <19>, <20>, <21>, <41>, <42>, <43>, <44>;
+            interrupt-names = "int0", "int1", "int2", "int3",
+                              "primsync_on", "primsync_off",
+                              "secsync_on", "secsync_off";
+        };
+
+        tcon@5618c800 {
+            compatible = "fsl,imx8qxp-dc-tcon";
+            reg = <0x5618c800 0x588>;
+
+            port {
+                dc0_disp0_dc0_pixel_combiner_ch0: endpoint {
+                    remote-endpoint = <&dc0_pixel_combiner_ch0_dc0_disp0>;
+                };
+            };
+        };
+    };
-- 
2.34.1

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