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[v7,05/17] dt-bindings: media: Add bindings for ARM mali-c55

Message ID 20240906153406.650105-6-dan.scally@ideasonboard.com
State Not Applicable
Headers show
Series Add Arm Mali-C55 Image Signal Processor Driver | expand

Checks

Context Check Description
robh/checkpatch success
robh/patch-applied success
robh/dtbs-check warning build log
robh/dt-meta-schema success

Commit Message

Dan Scally Sept. 6, 2024, 3:33 p.m. UTC 
Add the yaml binding for ARM's Mali-C55 Image Signal Processor.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
---
Changes in v7:

	- None

Changes in v6:

	- None

Changes in v5:

	- None

Changes in v4:

	- Switched to port instead of ports

Changes in v3:

	- Dropped the video clock as suggested by Laurent. I didn't retain it
	for the purposes of the refcount since this driver will call .s_stream()
	for the sensor driver which will refcount the clock anyway.
	- Clarified that the port is a parallel input port rather (Sakari)

Changes in v2:

	- Added clocks information
	- Fixed the warnings raised by Rob

 .../bindings/media/arm,mali-c55.yaml          | 66 +++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/arm,mali-c55.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/media/arm,mali-c55.yaml b/Documentation/devicetree/bindings/media/arm,mali-c55.yaml
new file mode 100644
index 000000000000..9cc2481f2da3
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/arm,mali-c55.yaml
@@ -0,0 +1,66 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/arm,mali-c55.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ARM Mali-C55 Image Signal Processor
+
+maintainers:
+  - Daniel Scally <dan.scally@ideasonboard.com>
+  - Jacopo Mondi <jacopo.mondi@ideasonboard.com>
+
+properties:
+  compatible:
+    const: arm,mali-c55
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: ISP AXI clock
+      - description: ISP AHB-lite clock
+
+  clock-names:
+    items:
+      - const: aclk
+      - const: hclk
+
+  port:
+    $ref: /schemas/graph.yaml#/properties/port
+    description: Input parallel video bus
+
+    properties:
+      endpoint:
+        $ref: /schemas/graph.yaml#/properties/endpoint
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - port
+
+additionalProperties: false
+
+examples:
+  - |
+    mali_c55: isp@400000 {
+      compatible = "arm,mali-c55";
+      reg = <0x400000 0x200000>;
+      clocks = <&clk 0>, <&clk 1>;
+      clock-names = "aclk", "hclk";
+      interrupts = <0>;
+
+      port {
+        isp_in: endpoint {
+            remote-endpoint = <&csi2_rx_out>;
+        };
+      };
+    };
+...