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@xxxxxxxxxxxx> Signed-off-by: daoyuan huang <daoyuan.huang@xxxxxxxxxxxx> Signed-off-by: Moudy Ho <moudy.ho@xxxxxxxxxxxx> --- .../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@xxxxxxxxxxxx> + - Moudy Ho <moudy.ho@xxxxxxxxxxxx> + +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@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@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@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@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@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@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
