[PATCH v4 01/17] dt-bindings: mediatek: add vdosys1 RDMA definition for mt8195

[Nancy.Lin <nancy.lin@mediatek.com>]

Add vdosys1 RDMA definition.

Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com>
---
 .../display/mediatek/mediatek,mdp-rdma.yaml   | 77 +++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml
new file mode 100644
index 000000000000..3610093848e1
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/mediatek/mediatek,mdp-rdma.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: mediatek display MDP RDMA
+
+maintainers:
+  - CK Hu <ck.hu@mediatek.com>
+
+description: |
+  The mediatek display MDP RDMA stands for Read Direct Memory Access.
+  It provides real time data to the back-end panel driver, such as DSI,
+  DPI and DP_INTF.
+  It contains one line buffer to store the sufficient pixel data.
+  RDMA device node 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:
+  compatible:
+    oneOf:
+      - items:
+          - const: mediatek,mt8195-vdo1-rdma
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  power-domains:
+    description: A phandle and PM domain specifier as defined by bindings of
+      the power controller specified by phandle. See
+      Documentation/devicetree/bindings/power/power-domain.yaml for details.
+
+  clocks:
+    items:
+      - description: RDMA Clock
+
+  iommus:
+    description:
+      This property should point to the respective IOMMU block with master port as argument,
+      see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml for details.
+
+  mediatek,gce-client-reg:
+    description:
+      The register of display function block to be set by gce. There are 4 arguments,
+      such as gce node, subsys id, offset and register size. The subsys id that is
+      mapping to the register of display function blocks is defined in the gce header
+      include/include/dt-bindings/gce/<chip>-gce.h of each chips.
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - power-domains
+  - clocks
+  - iommus
+
+additionalProperties: false
+
+examples:
+  - |
+
+    vdo1_rdma0: vdo1_rdma@1c104000 {
+        compatible = "mediatek,mt8195-vdo1-rdma";
+        reg = <0 0x1c104000 0 0x1000>;
+        interrupts = <GIC_SPI 495 IRQ_TYPE_LEVEL_HIGH 0>;
+        clocks = <&vdosys1 CLK_VDO1_MDP_RDMA0>;
+        power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS1>;
+        iommus = <&iommu_vdo M4U_PORT_L2_MDP_RDMA0>;
+        mediatek,gce-client-reg = <&gce1 SUBSYS_1c10XXXX 0x4000 0x1000>;
+    };
+
-- 
2.18.0
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