[PATCH v2 7/9] media: dt-bindings: Add Chameleon v3 framebuffer

Paweł Anikiel
2024-02-21T16:02:46Z

The Chameleon v3 uses the framebuffer IP core to take the video signal
from different sources and directly write frames into memory.

Signed-off-by: Paweł Anikiel <panikiel@google.com>
---
.../bindings/media/google,chv3-fb.yaml | 67 +++++++++++++++++++
1 file changed, 67 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/google,chv3-fb.yaml

diff --git a/Documentation/devicetree/bindings/media/google,chv3-fb.yaml b/Documentation/devicetree/bindings/media/google,chv3-fb.yaml
new file mode 100644
index 000000000000..7961c0ab66ec
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/google,chv3-fb.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/google,chv3-fb.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Google Chameleon v3 video framebuffer
+
+maintainers:
+ - Paweł Anikiel <panikiel@google.com>
+
+properties:
+ compatible:
+ const: google,chv3-fb
+
+ reg:
+ items:
+ - description: core registers
+ - description: irq registers
+
+ interrupts:
+ maxItems: 1
+
+ google,legacy-format:
+ type: boolean
+ description: The incoming video stream is in 32-bit padded mode.
+
+ port:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Connection to the video receiver - optional. If this isn't present,
+ the video interface still works on its own, but EDID control is
+ unavailable and DV timing information only reports the active
+ video width/height.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ video@c0060500 {
+ compatible = "google,chv3-fb";
+ reg = <0xc0060500 0x100>,
+ <0xc0060f20 0x10>;
+ interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+ google,legacy-format;
+ };
+
+ - |
+ video@c0060600 {
+ compatible = "google,chv3-fb";
+ reg = <0xc0060600 0x100>,
+ <0xc0060f30 0x10>;
+ interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
+
+ port {
+ fb_mst0_0: endpoint {
+ remote-endpoint = <&dprx_mst_0>;
+ };
+ };
+ };
--
2.44.0.rc0.258.g7320e95886-goog