[PATCH v6 02/16] dt-bindings: media: mediatek: mdp3: split out general properties

Moudy Ho
2023-09-22T07:23:45Z

In order to minimize duplication and standardize the document style,
it is necessary to separate the general properties specific to
MediaTek MDP3 RDMA.

Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
---
.../media/mediatek,mdp3-rdma-common.yaml | 72 +++++++++++++++++++
1 file changed, 72 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-rdma-common.yaml

diff --git a/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma-common.yaml b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma-common.yaml
new file mode 100644
index 000000000000..8d2085f67d43
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma-common.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/mediatek,mdp3-rdma-common.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek Read Direct Memory Access
+
+maintainers:
+ - Matthias Brugger <matthias.bgg@gmail.com>
+ - Moudy Ho <moudy.ho@mediatek.com>
+
+description: |
+ MediaTek Read Direct Memory Access(RDMA) component used to do read DMA.
+ It contains one line buffer to store the sufficient pixel data, and
+ must be siblings to the central MMSYS_CONFIG node.
+ For a description of the MMSYS_CONFIG binding, see
+ Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
+ for details.
+
+properties:
+ reg:
+ maxItems: 1
+
+ mediatek,gce-client-reg:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ items:
+ items:
+ - description: phandle of GCE
+ - description: GCE subsys id
+ - description: register offset
+ - description: register size
+ description: The register of client driver can be configured by gce with
+ 4 arguments defined in this property. Each GCE subsys id is mapping to
+ a client defined in the header include/dt-bindings/gce/<chip>-gce.h.
+ maxItems: 1
+
+ mediatek,gce-events:
+ description:
+ The event id which is mapping to the specific hardware event signal
+ to gce. The event id is defined in the gce header
+ include/dt-bindings/gce/<chip>-gce.h of each chips.
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ maxItems: 2
+
+ power-domains:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ maxItems: 2
+
+ iommus:
+ maxItems: 1
+
+ mboxes:
+ minItems: 1
+ maxItems: 5
+
+ '#dma-cells':
+ const: 1
+
+required:
+ - reg
+ - mediatek,gce-client-reg
+ - power-domains
+ - clocks
+ - iommus
+ - '#dma-cells'
+
+additionalProperties: true
--
2.18.0