[PATCH v5 1/3] dt-binding: mt8183: Add Mediatek MDP3 dt-bindings

Moudy Ho moudy.ho at mediatek.com
Mon Jul 19 00:46:38 PDT 2021


This patch adds DT binding document for Media Data Path 3 (MDP3)
a unit in multimedia system used for scaling and color format convert.

Signed-off-by: Ping-Hsun Wu <ping-hsun.wu at mediatek.com>
Signed-off-by: daoyuan huang <daoyuan.huang at mediatek.com>
Signed-off-by: Moudy Ho <moudy.ho at mediatek.com>
---
 .../bindings/media/mediatek-mdp3.yaml         | 274 ++++++++++++++++++
 1 file changed, 274 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/mediatek-mdp3.yaml

diff --git a/Documentation/devicetree/bindings/media/mediatek-mdp3.yaml b/Documentation/devicetree/bindings/media/mediatek-mdp3.yaml
new file mode 100644
index 000000000000..e3e10f0544ba
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/mediatek-mdp3.yaml
@@ -0,0 +1,274 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/mediatek-mdp3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek Media Data Path 3 Device Tree Bindings
+
+maintainers:
+  - Daoyuan Huang <daoyuan.huang at mediatek.com>
+  - Moudy Ho <moudy.ho at mediatek.com>
+
+description: |
+  Media Data Path 3 (MDP3) is used for scaling and color space conversion.
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+        - enum:
+          # controller node
+          - mediatek,mt8183-mdp3
+        - enum:
+          - mediatek,mt8183-mdp3-rdma
+
+      - items:
+        - enum:
+          # read DMA
+          - mediatek,mt8183-mdp3-rdma
+          # frame resizer
+          - mediatek,mt8183-mdp3-rsz
+          # write DMA
+          - mediatek,mt8183-mdp3-wdma
+          # write DMA with frame rotation
+          - mediatek,mt8183-mdp3-wrot
+          # color correction with 3X3 matrix
+          - mediatek,mt8183-mdp3-ccorr
+
+  mediatek,scp:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    maxItems: 1
+    description: |
+      The node of system control processor (SCP), using
+      the remoteproc & rpmsg framework.
+      $ref: /schemas/remoteproc/mtk,scp.yaml
+
+  mediatek,mdp3-id:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    maxItems: 1
+    description: |
+      HW index to distinguish same functionality modules.
+
+  mdp3-comps:
+    $ref: /schemas/types.yaml#/definitions/string-array
+    description: |
+      Subcomponent, the number aligns with
+      mdp_sub_comp_dt_ids[] in mtk-mdp3-comp.c.
+
+  mdp3-comp-ids:
+    maxItems: 1
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: |
+      Index of the modules, the number list in
+      mdp_comp_matches[] in mtk-mdp3-comp.c.
+
+  reg:
+    description: |
+      Physical base address and length of the function block
+      register space, the number aligns with the component
+      and its own subcomponent.
+
+  mediatek,gce-client-reg:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description: |
+      sub-system id corresponding to the global command engine (GCE)
+      register address.
+      $ref: /schemas/mailbox/mtk-gce.txt
+
+  power-domains:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+    maxItems: 6
+
+  iommus:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: |
+      Should point to the respective IOMMU block with master
+      port as argument.
+      $ref: /schemas/iommu/mediatek,iommu.yaml
+
+  mediatek,mmsys:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    maxItems: 1
+    description: |
+      The node of mux(multiplexer) controller for HW connections.
+
+  mediatek,mm-mutex:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    maxItems: 1
+    description: |
+      The node of sof(start of frame) signal controller.
+
+  mediatek,mailbox-gce:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: |
+      The node of global command engine (GCE), used to read/write
+      registers with critical time limitation.
+      $ref: /schemas/mailbox/mtk-gce.txt
+
+  mboxes:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description: |
+      $ref: /schemas/mailbox/mailbox.txt
+
+  gce-subsys:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description: |
+      sub-system id corresponding to the global command engine (GCE)
+      register address.
+      $ref: /schemas/mailbox/mtk-gce.txt
+
+  mediatek,gce-events:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: |
+      In use event IDs list, all IDs are defined in
+      'dt-bindings/gce/mt8183-gce.h'.
+      $ref: /schemas/mailbox/mtk-gce.txt
+
+if:
+  properties:
+    compatible:
+      items:
+        - enum:
+          - mediatek,mt8183-mdp3
+        - enum:
+          - mediatek,mt8183-mdp3-rdma
+
+then:
+  required:
+    - mediatek,scp
+    - mediatek,mmsys
+    - mediatek,mm-mutex
+    - mediatek,gce-events
+    - mediatek,mailbox-gce
+    - mboxes
+    - gce-subsys
+
+required:
+  - compatible
+  - mediatek,mdp3-id
+  - reg
+  - clocks
+  - mediatek,gce-client-reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/mt8183-clk.h>
+    #include <dt-bindings/gce/mt8183-gce.h>
+    #include <dt-bindings/power/mt8183-power.h>
+    #include <dt-bindings/memory/mt8183-larb-port.h>
+
+    mdp3_rdma0: mdp3_rdma0 at 14001000 {
+      compatible = "mediatek,mt8183-mdp3",
+                   "mediatek,mt8183-mdp3-rdma";
+      mediatek,scp = <&scp>;
+      mediatek,mdp3-id = <0>;
+      mdp3-comps = "mediatek,mt8183-mdp3-dl", "mediatek,mt8183-mdp3-dl1",
+                   "mediatek,mt8183-mdp3-imgi", "mediatek,mt8183-mdp3-exto";
+      mdp3-comp-ids = <0 1 0 1>;
+      reg = <0x14001000 0x1000>,
+            <0x14000000 0x1000>,
+            <0x15020000 0x1000>;
+      mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x1000 0x1000>,
+                                <&gce SUBSYS_1400XXXX 0 0x1000>,
+                                <&gce SUBSYS_1502XXXX 0 0x1000>;
+      power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
+      clocks = <&mmsys CLK_MM_MDP_RDMA0>,
+               <&mmsys CLK_MM_MDP_RSZ1>,
+               <&mmsys CLK_MM_MDP_DL_TXCK>,
+               <&mmsys CLK_MM_MDP_DL_RX>,
+               <&mmsys CLK_MM_IPU_DL_TXCK>,
+               <&mmsys CLK_MM_IPU_DL_RX>;
+      iommus = <&iommu>;
+      mediatek,mmsys = <&mmsys>;
+      mediatek,mm-mutex = <&mutex>;
+      mediatek,mailbox-gce = <&gce>;
+      mboxes = <&gce 20 CMDQ_THR_PRIO_LOWEST 0>,
+               <&gce 21 CMDQ_THR_PRIO_LOWEST 0>,
+               <&gce 22 CMDQ_THR_PRIO_LOWEST 0>,
+               <&gce 23 CMDQ_THR_PRIO_LOWEST 0>;
+      gce-subsys = <&gce 0x14000000 SUBSYS_1400XXXX>,
+                   <&gce 0x14010000 SUBSYS_1401XXXX>,
+                   <&gce 0x14020000 SUBSYS_1402XXXX>,
+                   <&gce 0x15020000 SUBSYS_1502XXXX>;
+      mediatek,gce-events = <CMDQ_EVENT_MDP_RDMA0_SOF>,
+                            <CMDQ_EVENT_MDP_RDMA0_EOF>,
+                            <CMDQ_EVENT_MDP_RSZ0_SOF>,
+                            <CMDQ_EVENT_MDP_RSZ1_SOF>,
+                            <CMDQ_EVENT_MDP_TDSHP_SOF>,
+                            <CMDQ_EVENT_MDP_WROT0_SOF>,
+                            <CMDQ_EVENT_MDP_WROT0_EOF>,
+                            <CMDQ_EVENT_MDP_WDMA0_SOF>,
+                            <CMDQ_EVENT_MDP_WDMA0_EOF>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_0>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_1>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_2>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_3>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_4>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_5>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_6>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_7>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_8>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_9>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_10>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_11>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_12>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_13>,
+                            <CMDQ_EVENT_ISP_FRAME_DONE_P2_14>,
+                            <CMDQ_EVENT_WPE_A_DONE>,
+                            <CMDQ_EVENT_SPE_B_DONE>;
+    };
+
+    mdp3_rsz0: mdp3_rsz0 at 14003000 {
+      compatible = "mediatek,mt8183-mdp3-rsz";
+      mediatek,mdp3-id = <0>;
+      reg = <0x14003000 0x1000>;
+      mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x3000 0x1000>;
+      clocks = <&mmsys CLK_MM_MDP_RSZ0>;
+    };
+
+    mdp3_rsz1: mdp3_rsz1 at 14004000 {
+      compatible = "mediatek,mt8183-mdp3-rsz";
+      mediatek,mdp3-id = <1>;
+      reg = <0x14004000 0x1000>;
+      mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x4000 0x1000>;
+      clocks = <&mmsys CLK_MM_MDP_RSZ1>;
+    };
+
+    mdp3_wrot0: mdp3_wrot0 at 14005000 {
+      compatible = "mediatek,mt8183-mdp3-wrot";
+      mediatek,mdp3-id = <0>;
+      mdp3-comps = "mediatek,mt8183-mdp3-path";
+      mdp3-comp-ids = <0>;
+      reg = <0x14005000 0x1000>;
+      mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x5000 0x1000>;
+      power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
+      clocks = <&mmsys CLK_MM_MDP_WROT0>;
+      iommus = <&iommu>;
+    };
+
+    mdp3_wdma: mdp3_wdma at 14006000 {
+      compatible = "mediatek,mt8183-mdp3-wdma";
+      mediatek,mdp3-id = <0>;
+      mdp3-comps = "mediatek,mt8183-mdp3-path";
+      mdp3-comp-ids = <1>;
+      reg = <0x14006000 0x1000>;
+      mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x6000 0x1000>;
+      power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
+      clocks = <&mmsys CLK_MM_MDP_WDMA0>;
+      iommus = <&iommu>;
+    };
+
+    mdp3_ccorr: mdp3_ccorr at 1401c000 {
+      compatible = "mediatek,mt8183-mdp3-ccorr";
+      mediatek,mdp3-id = <0>;
+      reg = <0x1401c000 0x1000>;
+      mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0xc000 0x1000>;
+      clocks = <&mmsys CLK_MM_MDP_CCORR>;
+    };
+
-- 
2.18.0


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