[PATCH v2 04/13] dt-bindings: media: mediatek: add cam-yuv binding

shangyao lin shangyao.lin at mediatek.com
Mon Jul 7 01:31:45 UTC 2025


From: "shangyao.lin" <shangyao.lin at mediatek.com>

Add camera isp7x module device document.

---

Changes in v2:
  - Rename binding file to mediatek,mt8188-cam-yuv.yaml
  - Various fixes per review comments
  - Update maintainers list

Signed-off-by: shangyao.lin <shangyao.lin at mediatek.com>
---
 .../mediatek/mediatek,mt8188-cam-yuv.yaml     | 134 ++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100755 Documentation/devicetree/bindings/media/mediatek/mediatek,mt8188-cam-yuv.yaml

diff --git a/Documentation/devicetree/bindings/media/mediatek/mediatek,mt8188-cam-yuv.yaml b/Documentation/devicetree/bindings/media/mediatek/mediatek,mt8188-cam-yuv.yaml
new file mode 100755
index 000000000000..0de120d3c6e8
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/mediatek/mediatek,mt8188-cam-yuv.yaml
@@ -0,0 +1,134 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2024 MediaTek Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/mediatek/mediatek,cam-yuv.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: The cam-yuv unit of MediaTek ISP system
+
+maintainers:
+  - Shangyao Lin <shangyao.lin at mediatek.com>
+  - Shu-hsiang Yang <shu-hsiang.yang at mediatek.com>
+  - Shun-yi Wang <shun-yi.wang at mediatek.com>
+  - Teddy Chen <teddy.chen at mediatek.com>
+
+description:
+  MediaTek cam-yuv is the camera YUV processing unit in MediaTek SoC.
+
+properties:
+  compatible:
+    const: mediatek,mt8188-cam-yuv
+
+  reg:
+    minItems: 1
+    maxItems: 2
+    description:
+      Base address and optional inner base address of the cam-yuv hardware block.
+
+  reg-names:
+    items:
+      - const: base
+      - const: inner_base
+    minItems: 1
+    maxItems: 2
+    description:
+      Names for each register region. Must be "base" and optionally "inner_base".
+
+  mediatek,larbs:
+    description:
+      List of phandles to the local arbiters in the current SoCs.
+      Refer to bindings/memory-controllers/mediatek,smi-larb.yaml.
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    minItems: 1
+    maxItems: 32
+
+  interrupts:
+    minItems: 1
+    description: Interrupts for the cam-yuv block.
+
+  dma-ranges:
+    minItems: 1
+    description: Address information of IOMMU mapping to memory.
+
+  power-domains:
+    minItems: 1
+    description: Power domains for the cam-yuv block.
+
+  clocks:
+    minItems: 4
+    maxItems: 16
+    description: List of phandles to the clocks required by the cam-yuv block.
+
+  clock-names:
+    items:
+      - const: camsys_cam2mm0_cgpdn
+      - const: camsys_cam2mm1_cgpdn
+      - const: camsys_cam2sys_cgpdn
+      - const: camsys_yuva_larbx
+      - const: camsys_yuva_cam_cgpdn
+      - const: camsys_yuva_camtg_cgpdn
+      - const: camsys_yuvb_larbx_cgpdn
+      - const: camsys_yuvb_cam_cgpdn
+      - const: camsys_yuvb_camtg_cgpdn
+    minItems: 4
+    maxItems: 16
+    description: Names of the clocks, must match the order of the clocks property.
+
+  iommus:
+    minItems: 1
+    maxItems: 32
+    description: Points to the respective IOMMU block with master port as argument.
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - interrupts
+  - power-domains
+  - clocks
+  - clock-names
+  - iommus
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/power/mediatek,mt8188-power.h>
+    #include <dt-bindings/clock/mediatek,mt8188-clk.h>
+    #include <dt-bindings/memory/mediatek,mt8188-memory-port.h>
+
+    soc {
+      yuv at 16050000 {
+        compatible = "mediatek,mt8188-cam-yuv";
+        reg = <0 0x16050000 0 0x8000>;
+        reg-names = "base";
+        mediatek,larbs = <&larb17a>;
+        interrupts = <GIC_SPI 301 IRQ_TYPE_LEVEL_HIGH 0>;
+        dma-ranges = <0x2 0x0 0x0 0x40000000 0x1 0x0>;
+        power-domains = <&spm MT8188_POWER_DOMAIN_CAM_SUBA>;
+        clocks = <&camsys CLK_CAM_MAIN_CAM2MM0_GALS>,
+                 <&camsys CLK_CAM_MAIN_CAM2MM1_GALS>,
+                 <&camsys CLK_CAM_MAIN_CAM2SYS_GALS>,
+                 <&camsys_yuva CLK_CAM_YUVA_LARBX>,
+                 <&camsys_yuva CLK_CAM_YUVA_CAM>,
+                 <&camsys_yuva CLK_CAM_YUVA_CAMTG>;
+        clock-names = "camsys_cam2mm0_cgpdn",
+                      "camsys_cam2mm1_cgpdn",
+                      "camsys_cam2sys_cgpdn",
+                      "camsys_yuva_larbx_cgpdn",
+                      "camsys_yuva_cam_cgpdn",
+                      "camsys_yuva_camtg_cgpdn";
+        iommus = <&vpp_iommu M4U_PORT_L17A_YUVO_R1>,
+                 <&vpp_iommu M4U_PORT_L17A_YUVO_R3>,
+                 <&vpp_iommu M4U_PORT_L17A_YUVCO_R1>,
+                 <&vpp_iommu M4U_PORT_L17A_YUVO_R2>,
+                 <&vpp_iommu M4U_PORT_L17A_RZH1N2TO_R1>,
+                 <&vpp_iommu M4U_PORT_L17A_DRZS4NO_R1>,
+                 <&vpp_iommu M4U_PORT_L17A_TNCSO_R1>;
+      };
+    };
+
+...
-- 
2.18.0



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