1. Remove mediatek,dislpay.txt 2. Split each display function block to individual yaml file. Signed-off-by: jason-jh.lin <jason-jh.lin@xxxxxxxxxxxx> --- .../display/mediatek/mediatek,aal.yaml | 75 ++++++ .../display/mediatek/mediatek,ccorr.yaml | 69 ++++++ .../display/mediatek/mediatek,color.yaml | 84 +++++++ .../display/mediatek/mediatek,disp.txt | 219 ------------------ .../display/mediatek/mediatek,dither.yaml | 70 ++++++ .../display/mediatek/mediatek,gamma.yaml | 71 ++++++ .../display/mediatek/mediatek,merge.yaml | 66 ++++++ .../display/mediatek/mediatek,mutex.yaml | 77 ++++++ .../display/mediatek/mediatek,od.yaml | 52 +++++ .../display/mediatek/mediatek,ovl-2l.yaml | 86 +++++++ .../display/mediatek/mediatek,ovl.yaml | 96 ++++++++ .../display/mediatek/mediatek,rdma.yaml | 110 +++++++++ .../display/mediatek/mediatek,split.yaml | 56 +++++ .../display/mediatek/mediatek,ufoe.yaml | 59 +++++ .../display/mediatek/mediatek,wdma.yaml | 86 +++++++ 15 files changed, 1057 insertions(+), 219 deletions(-) create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,ccorr.yaml create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,color.yaml delete mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dither.yaml create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,gamma.yaml create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,merge.yaml create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,mutex.yaml create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,od.yaml create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,ovl-2l.yaml create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,ovl.yaml create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,rdma.yaml create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,split.yaml create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,ufoe.yaml create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,wdma.yaml diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml new file mode 100644 index 000000000000..faa764c12dfc --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,aal.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek display adaptive ambient light processor + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> + - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> + +description: | + The mediatek display adaptive ambient light processor, namely AAL, + is responsible for backlight power saving and sunlight visibility improving. + AAL 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,mt8173-disp-aal + - items: + - enum: + - mediatek,mt2712-disp-aal + - mediatek,mt8183-disp-aal + - enum: + - mediatek,mt8173-disp-aal + + 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: AAL Clock + + mediatek,gce-client-reg: + description: + The register of client driver can be configured by gce with 4 arguments defined + in this property, such as phandle of gce, subsys id, register offset and size. + Each subsys id is mapping to a base address of display function blocks register + which is defined in the gce header include/include/dt-bindings/gce/<chip>-gce.h. + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - power-domains + - clocks + +additionalProperties: false + +examples: + - | + + aal@14015000 { + compatible = "mediatek,mt8173-disp-aal"; + reg = <0 0x14015000 0 0x1000>; + interrupts = <GIC_SPI 189 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; + clocks = <&mmsys CLK_MM_DISP_AAL>; + mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0x5000 0x1000>; + }; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,ccorr.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,ccorr.yaml new file mode 100644 index 000000000000..e848879d755c --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,ccorr.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,ccorr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek Ddsplay color correction + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> + - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> + +description: | + The mediatek display color correction, namely CCORR, reproduces correct color + on panels with different color gamut. + CCORR 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,mt8183-disp-ccorr + + 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: CCORR Clock + + mediatek,gce-client-reg: + description: + The register of client driver can be configured by gce with 4 arguments defined + in this property, such as phandle of gce, subsys id, register offset and size. + Each subsys id is mapping to a base address of display function blocks register + which is defined in the gce header include/include/dt-bindings/gce/<chip>-gce.h. + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - power-domains + - clocks + +additionalProperties: false + +examples: + - | + + ccorr0: ccorr@1400f000 { + compatible = "mediatek,mt8183-disp-ccorr"; + reg = <0 0x1400f000 0 0x1000>; + interrupts = <GIC_SPI 232 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&spm MT8183_POWER_DOMAIN_DISP>; + clocks = <&mmsys CLK_MM_DISP_CCORR0>; + mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0xf000 0x1000>; + }; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,color.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,color.yaml new file mode 100644 index 000000000000..019fc09bbddd --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,color.yaml @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,color.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek display color processor + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> + - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> + +description: | + The mediatek color processor, namely COLOR, provides hue, luma and + saturation adjustments to get better picture quality and to have one panel + resemble the other in their output characteristics. + COLOR 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,mt2701-disp-color + - items: + - const: mediatek,mt8167-disp-color + - items: + - const: mediatek,mt8173-disp-color + - items: + - enum: + - mediatek,mt7623-disp-color + - mediatek,mt2712-disp-color + - enum: + - mediatek,mt2701-disp-color + - items: + - enum: + - mediatek,mt8183-disp-color + - enum: + - mediatek,mt8173-disp-color + 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: COLOR Clock + + mediatek,gce-client-reg: + description: + The register of client driver can be configured by gce with 4 arguments defined + in this property, such as phandle of gce, subsys id, register offset and size. + Each subsys id is mapping to a base address of display function blocks register + which is defined in the gce header include/include/dt-bindings/gce/<chip>-gce.h. + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - power-domains + - clocks + +additionalProperties: false + +examples: + - | + + color0: color@14013000 { + compatible = "mediatek,mt8173-disp-color"; + reg = <0 0x14013000 0 0x1000>; + interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; + clocks = <&mmsys CLK_MM_DISP_COLOR0>; + mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0x3000 0x1000>; + }; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt deleted file mode 100644 index fbb59c9ddda6..000000000000 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt +++ /dev/null @@ -1,219 +0,0 @@ -Mediatek display subsystem -========================== - -The Mediatek display subsystem consists of various DISP function blocks in the -MMSYS register space. The connections between them can be configured by output -and input selectors in the MMSYS_CONFIG register space. Pixel clock and start -of frame signal are distributed to the other function blocks by a DISP_MUTEX -function block. - -All DISP device tree nodes 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.txt. - -DISP function blocks -==================== - -A display stream starts at a source function block that reads pixel data from -memory and ends with a sink function block that drives pixels on a display -interface, or writes pixels back to memory. All DISP function blocks have -their own register space, interrupt, and clock gate. The blocks that can -access memory additionally have to list the IOMMU and local arbiter they are -connected to. - -For a description of the display interface sink function blocks, see -Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt and -Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml. - -Required properties (all function blocks): -- compatible: "mediatek,<chip>-disp-<function>", one of - "mediatek,<chip>-disp-ovl" - overlay (4 layers, blending, csc) - "mediatek,<chip>-disp-ovl-2l" - overlay (2 layers, blending, csc) - "mediatek,<chip>-disp-rdma" - read DMA / line buffer - "mediatek,<chip>-disp-wdma" - write DMA - "mediatek,<chip>-disp-ccorr" - color correction - "mediatek,<chip>-disp-color" - color processor - "mediatek,<chip>-disp-dither" - dither - "mediatek,<chip>-disp-aal" - adaptive ambient light controller - "mediatek,<chip>-disp-gamma" - gamma correction - "mediatek,<chip>-disp-merge" - merge streams from two RDMA sources - "mediatek,<chip>-disp-postmask" - control round corner for display frame - "mediatek,<chip>-disp-split" - split stream to two encoders - "mediatek,<chip>-disp-ufoe" - data compression engine - "mediatek,<chip>-dsi" - DSI controller, see mediatek,dsi.txt - "mediatek,<chip>-dpi" - DPI controller, see mediatek,dpi.txt - "mediatek,<chip>-disp-mutex" - display mutex - "mediatek,<chip>-disp-od" - overdrive - the supported chips are mt2701, mt7623, mt2712, mt8167, mt8173, mt8183 and mt8192. -- reg: Physical base address and length of the function block register space -- interrupts: The interrupt signal from the function block (required, except for - merge and split function blocks). -- clocks: device clocks - See Documentation/devicetree/bindings/clock/clock-bindings.txt for details. - For most function blocks this is just a single clock input. Only the DSI and - DPI controller nodes have multiple clock inputs. These are documented in - mediatek,dsi.txt and mediatek,dpi.txt, respectively. - An exception is that the mt8183 mutex is always free running with no clocks property. - -Required properties (DMA function blocks): -- compatible: Should be one of - "mediatek,<chip>-disp-ovl" - "mediatek,<chip>-disp-rdma" - "mediatek,<chip>-disp-wdma" - the supported chips are mt2701, mt8167 and mt8173. -- larb: Should contain a phandle pointing to the local arbiter device as defined - in Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml -- iommus: Should point to the respective IOMMU block with master port as - argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml - for details. - -Optional properties (RDMA function blocks): -- mediatek,rdma-fifo-size: rdma fifo size may be different even in same SOC, add this - property to the corresponding rdma - the value is the Max value which defined in hardware data sheet. - mediatek,rdma-fifo-size of mt8173-rdma0 is 8K - mediatek,rdma-fifo-size of mt8183-rdma0 is 5K - mediatek,rdma-fifo-size of mt8183-rdma1 is 2K - -Examples: - -mmsys: clock-controller@14000000 { - compatible = "mediatek,mt8173-mmsys", "syscon"; - reg = <0 0x14000000 0 0x1000>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - #clock-cells = <1>; -}; - -ovl0: ovl@1400c000 { - compatible = "mediatek,mt8173-disp-ovl"; - reg = <0 0x1400c000 0 0x1000>; - interrupts = <GIC_SPI 180 IRQ_TYPE_LEVEL_LOW>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_DISP_OVL0>; - iommus = <&iommu M4U_PORT_DISP_OVL0>; - mediatek,larb = <&larb0>; -}; - -ovl1: ovl@1400d000 { - compatible = "mediatek,mt8173-disp-ovl"; - reg = <0 0x1400d000 0 0x1000>; - interrupts = <GIC_SPI 181 IRQ_TYPE_LEVEL_LOW>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_DISP_OVL1>; - iommus = <&iommu M4U_PORT_DISP_OVL1>; - mediatek,larb = <&larb4>; -}; - -rdma0: rdma@1400e000 { - compatible = "mediatek,mt8173-disp-rdma"; - reg = <0 0x1400e000 0 0x1000>; - interrupts = <GIC_SPI 182 IRQ_TYPE_LEVEL_LOW>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_DISP_RDMA0>; - iommus = <&iommu M4U_PORT_DISP_RDMA0>; - mediatek,larb = <&larb0>; - mediatek,rdma-fifosize = <8192>; -}; - -rdma1: rdma@1400f000 { - compatible = "mediatek,mt8173-disp-rdma"; - reg = <0 0x1400f000 0 0x1000>; - interrupts = <GIC_SPI 183 IRQ_TYPE_LEVEL_LOW>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_DISP_RDMA1>; - iommus = <&iommu M4U_PORT_DISP_RDMA1>; - mediatek,larb = <&larb4>; -}; - -rdma2: rdma@14010000 { - compatible = "mediatek,mt8173-disp-rdma"; - reg = <0 0x14010000 0 0x1000>; - interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_LOW>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_DISP_RDMA2>; - iommus = <&iommu M4U_PORT_DISP_RDMA2>; - mediatek,larb = <&larb4>; -}; - -wdma0: wdma@14011000 { - compatible = "mediatek,mt8173-disp-wdma"; - reg = <0 0x14011000 0 0x1000>; - interrupts = <GIC_SPI 185 IRQ_TYPE_LEVEL_LOW>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_DISP_WDMA0>; - iommus = <&iommu M4U_PORT_DISP_WDMA0>; - mediatek,larb = <&larb0>; -}; - -wdma1: wdma@14012000 { - compatible = "mediatek,mt8173-disp-wdma"; - reg = <0 0x14012000 0 0x1000>; - interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_LOW>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_DISP_WDMA1>; - iommus = <&iommu M4U_PORT_DISP_WDMA1>; - mediatek,larb = <&larb4>; -}; - -color0: color@14013000 { - compatible = "mediatek,mt8173-disp-color"; - reg = <0 0x14013000 0 0x1000>; - interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_LOW>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_DISP_COLOR0>; -}; - -color1: color@14014000 { - compatible = "mediatek,mt8173-disp-color"; - reg = <0 0x14014000 0 0x1000>; - interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_LOW>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_DISP_COLOR1>; -}; - -aal@14015000 { - compatible = "mediatek,mt8173-disp-aal"; - reg = <0 0x14015000 0 0x1000>; - interrupts = <GIC_SPI 189 IRQ_TYPE_LEVEL_LOW>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_DISP_AAL>; -}; - -gamma@14016000 { - compatible = "mediatek,mt8173-disp-gamma"; - reg = <0 0x14016000 0 0x1000>; - interrupts = <GIC_SPI 190 IRQ_TYPE_LEVEL_LOW>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_DISP_GAMMA>; -}; - -ufoe@1401a000 { - compatible = "mediatek,mt8173-disp-ufoe"; - reg = <0 0x1401a000 0 0x1000>; - interrupts = <GIC_SPI 191 IRQ_TYPE_LEVEL_LOW>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_DISP_UFOE>; -}; - -dsi0: dsi@1401b000 { - /* See mediatek,dsi.txt for details */ -}; - -dpi0: dpi@1401d000 { - /* See mediatek,dpi.txt for details */ -}; - -mutex: mutex@14020000 { - compatible = "mediatek,mt8173-disp-mutex"; - reg = <0 0x14020000 0 0x1000>; - interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_LOW>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_MUTEX_32K>; -}; - -od@14023000 { - compatible = "mediatek,mt8173-disp-od"; - reg = <0 0x14023000 0 0x1000>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_DISP_OD>; -}; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dither.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dither.yaml new file mode 100644 index 000000000000..8e7c87c39f9c --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dither.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,dither.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek display dither processor + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> + - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> + +description: | + The mediatek display dither processor, namely DITHER, works by approximating + unavailable colors with available colors and by mixing and matching available + colors to mimic unavailable ones. + DITHER 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,mt8183-disp-dither + + 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: DITHER Clock + + mediatek,gce-client-reg: + description: + The register of client driver can be configured by gce with 4 arguments defined + in this property, such as phandle of gce, subsys id, register offset and size. + Each subsys id is mapping to a base address of display function blocks register + which is defined in the gce header include/include/dt-bindings/gce/<chip>-gce.h. + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - power-domains + - clocks + +additionalProperties: false + +examples: + - | + + dither0: dither@14012000 { + compatible = "mediatek,mt8183-disp-dither"; + reg = <0 0x14012000 0 0x1000>; + interrupts = <GIC_SPI 235 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&spm MT8183_POWER_DOMAIN_DISP>; + clocks = <&mmsys CLK_MM_DISP_DITHER0>; + mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0x2000 0x1000>; + }; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,gamma.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,gamma.yaml new file mode 100644 index 000000000000..8fa1b373a8da --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,gamma.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,gamma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek display gamma correction + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> + - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> + +description: | + The mediatek display gamma correction, namely GAMMA, provides a nonlinear operation + used to adjust luminance in display system. + GAMMA 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,mt8173-disp-gamma + - items: + - const: mediatek,mt8183-disp-gamma + + 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: GAMMA Clock + + mediatek,gce-client-reg: + description: + The register of client driver can be configured by gce with 4 arguments defined + in this property, such as phandle of gce, subsys id, register offset and size. + Each subsys id is mapping to a base address of display function blocks register + which is defined in the gce header include/include/dt-bindings/gce/<chip>-gce.h. + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - power-domains + - clocks + +additionalProperties: false + +examples: + - | + + gamma@14016000 { + compatible = "mediatek,mt8173-disp-gamma"; + reg = <0 0x14016000 0 0x1000>; + interrupts = <GIC_SPI 190 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; + clocks = <&mmsys CLK_MM_DISP_GAMMA>; + mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0x6000 0x1000>; + }; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,merge.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,merge.yaml new file mode 100644 index 000000000000..ca51a4c4a8c7 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,merge.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,merge.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek display merge + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> + - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> + +description: | + The mediatek display merge engine is used to merge two slice-per-line inputs + into one side-by-side output. + MERGE 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,mt8173-disp-merge + + 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: MERGE Clock + + mediatek,gce-client-reg: + description: + The register of client driver can be configured by gce with 4 arguments defined + in this property, such as phandle of gce, subsys id, register offset and size. + Each subsys id is mapping to a base address of display function blocks register + which is defined in the gce header include/include/dt-bindings/gce/<chip>-gce.h. + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 1 + +required: + - compatible + - reg + - power-domains + - clocks + +additionalProperties: false + +examples: + - | + + merge@14017000 { + compatible = "mediatek,mt8173-disp-merge"; + reg = <0 0x14017000 0 0x1000>; + power-domains = <&spm MT8173_POWER_DOMAIN_MM>; + clocks = <&mmsys CLK_MM_DISP_MERGE>; + }; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,mutex.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,mutex.yaml new file mode 100644 index 000000000000..939dff14d989 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,mutex.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,mutex.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek display mutex + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> + - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> + +description: | + The mediatek display mutex is used to send the triggers signals called + Start Of Frame (SOF)/ Error Of Frame (EOF) to each sub-modules on the + display data path. + MUTEX 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,mt2701-disp-mutex + - items: + - const: mediatek,mt2712-disp-mutex + - items: + - const: mediatek,mt8167-disp-mutex + - items: + - const: mediatek,mt8173-disp-mutex + - items: + - const: mediatek,mt8183-disp-mutex + + 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: MUTEX Clock + + 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/include/dt-bindings/gce/<chip>-gce.h of each chips. + $ref: /schemas/types.yaml#/definitions/phandle-array + +required: + - compatible + - reg + - interrupts + - power-domains + - clocks + +additionalProperties: false + +examples: + - | + + mutex: mutex@14020000 { + compatible = "mediatek,mt8173-disp-mutex"; + reg = <0 0x14020000 0 0x1000>; + interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&spm MT8173_POWER_DOMAIN_MM>; + clocks = <&mmsys CLK_MM_MUTEX_32K>; + mediatek,gce-events = <CMDQ_EVENT_MUTEX0_STREAM_EOF>, + <CMDQ_EVENT_MUTEX1_STREAM_EOF>; + }; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,od.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,od.yaml new file mode 100644 index 000000000000..d2e957cf1c61 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,od.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,od.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek display overdirve + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> + - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> + +description: | + The mediatek display overdrive, namely OD, increases the transition values + of pixels between consecutive frames to make LCD rotate faster. + OD device node must be siblings to the central MMSYS_CONFIG node. + For a description of the MMSYS_CONFIG binding, see + Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml for details. + +properties: + compatible: + oneOf: + - items: + - const: mediatek,mt2712-disp-od + - items: + - const: mediatek,mt8173-disp-od + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: OVL Clock + +required: + - compatible + - reg + - clocks + +additionalProperties: false + +examples: + - | + + od@14023000 { + compatible = "mediatek,mt8173-disp-od"; + reg = <0 0x14023000 0 0x1000>; + clocks = <&mmsys CLK_MM_DISP_OD>; + }; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl-2l.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl-2l.yaml new file mode 100644 index 000000000000..60eb29c79b84 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl-2l.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,ovl-2l.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek display overlay 2 layer + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> + - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> + +description: | + The mediatek display overlay provides 2 more layer for OVL. + OVL-2L 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,mt8183-disp-ovl-2l + + 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: OVL-2L 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,larb: + description: + This property should contain a phandle pointing to the local arbiter deviceas defined in + Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml. + It must sort according to the local arbiter index, like larb0, larb1, larb2... + $ref: /schemas/types.yaml#/definitions/phandle-array + minItems: 1 + maxItems: 32 + + mediatek,gce-client-reg: + description: + The register of client driver can be configured by gce with 4 arguments defined + in this property, such as phandle of gce, subsys id, register offset and size. + Each subsys id is mapping to a base address of display function blocks register + which is defined in the gce header include/include/dt-bindings/gce/<chip>-gce.h. + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - power-domains + - clocks + - iommus + +additionalProperties: false + +examples: + - | + + ovl_2l0: ovl@14009000 { + compatible = "mediatek,mt8183-disp-ovl-2l"; + reg = <0 0x14009000 0 0x1000>; + interrupts = <GIC_SPI 226 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&spm MT8183_POWER_DOMAIN_DISP>; + clocks = <&mmsys CLK_MM_DISP_OVL0_2L>; + iommus = <&iommu M4U_PORT_DISP_2L_OVL0_LARB0>; + mediatek,larb = <&larb0>; + mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x9000 0x1000>; + }; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl.yaml new file mode 100644 index 000000000000..a0c29cd3377a --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl.yaml @@ -0,0 +1,96 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,ovl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek display overlay + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> + - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> + +description: | + The mediatek display overlay, namely OVL, can do alpha blending from the memory. + OVL 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,mt2701-disp-ovl + - items: + - const: mediatek,mt8173-disp-ovl + - items: + - const: mediatek,mt8183-disp-ovl + - items: + - enum: + - mediatek,mt7623-disp-ovl + - mediatek,mt2712-disp-ovl + - enum: + - mediatek,mt2701-disp-ovl + + 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: OVL 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,larb: + description: + This property should contain a phandle pointing to the local arbiter deviceas defined in + Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml. + It must sort according to the local arbiter index, like larb0, larb1, larb2... + $ref: /schemas/types.yaml#/definitions/phandle-array + minItems: 1 + maxItems: 32 + + mediatek,gce-client-reg: + description: + The register of client driver can be configured by gce with 4 arguments defined + in this property, such as phandle of gce, subsys id, register offset and size. + Each subsys id is mapping to a base address of display function blocks register + which is defined in the gce header include/include/dt-bindings/gce/<chip>-gce.h. + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - power-domains + - clocks + - iommu + +additionalProperties: false + +examples: + - | + + ovl0: ovl@1400c000 { + compatible = "mediatek,mt8173-disp-ovl"; + reg = <0 0x1400c000 0 0x1000>; + interrupts = <GIC_SPI 180 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; + clocks = <&mmsys CLK_MM_DISP_OVL0>; + iommus = <&iommu M4U_PORT_DISP_OVL0>; + mediatek,larb = <&larb0>; + mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0xc000 0x1000>; + }; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,rdma.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,rdma.yaml new file mode 100644 index 000000000000..837659ab4ebd --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,rdma.yaml @@ -0,0 +1,110 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,rdma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek display RDMA + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> + - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> + +description: | + The mediatek display 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,mt2701-disp-rdma + - items: + - const: mediatek,mt8173-disp-rdma + - items: + - const: mediatek,mt8183-disp-rdma + - items: + - enum: + - mediatek,mt7623-disp-rdma + - mediatek,mt2712-disp-rdma + - enum: + - mediatek,mt2701-disp-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,larb: + description: + This property should contain a phandle pointing to the local arbiter deviceas defined in + Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml. + It must sort according to the local arbiter index, like larb0, larb1, larb2... + $ref: /schemas/types.yaml#/definitions/phandle-array + minItems: 1 + maxItems: 32 + + mediatek,rdma-fifo-size: + description: + rdma fifo size may be different even in same SOC, add this property to the + corresponding rdma. + The value below is the Max value which defined in hardware data sheet + mediatek,rdma-fifo-size of mt8173-rdma0 is 8K + mediatek,rdma-fifo-size of mt8183-rdma0 is 5K + mediatek,rdma-fifo-size of mt8183-rdma1 is 2K + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [8192, 5120, 2048] + + mediatek,gce-client-reg: + description: + The register of client driver can be configured by gce with 4 arguments defined + in this property, such as phandle of gce, subsys id, register offset and size. + Each subsys id is mapping to a base address of display function blocks register + which is defined in the gce header include/include/dt-bindings/gce/<chip>-gce.h. + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - power-domains + - clocks + - iommus + +additionalProperties: false + +examples: + - | + + rdma0: rdma@1400e000 { + compatible = "mediatek,mt8173-disp-rdma"; + reg = <0 0x1400e000 0 0x1000>; + interrupts = <GIC_SPI 182 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; + clocks = <&mmsys CLK_MM_DISP_RDMA0>; + iommus = <&iommu M4U_PORT_DISP_RDMA0>; + mediatek,larb = <&larb0>; + mediatek,rdma-fifosize = <8192>; + mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0xe000 0x1000>; + }; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,split.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,split.yaml new file mode 100644 index 000000000000..0ab3eaa6d6d8 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,split.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,split.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek display split + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> + - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> + +description: | + The mediatek display split engine is used to split stream to two encoders. + SPLIT device node must be siblings to the central MMSYS_CONFIG node. + For a description of the MMSYS_CONFIG binding, see + Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml for details. + +properties: + compatible: + oneOf: + - items: + - const: mediatek,mt8173-disp-split + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + power-domains: + description: A phandle and PM domain specifier as defined by bindings of + the power controller specified by phandle. See + Documentation/devicetree/bindings/power/power-domain.yaml for details. + + clocks: + items: + - description: SPLIT Clock + +required: + - compatible + - reg + - power-domains + - clocks + +additionalProperties: false + +examples: + - | + + split0: split@14018000 { + compatible = "mediatek,mt8173-disp-split"; + reg = <0 0x14018000 0 0x1000>; + power-domains = <&spm MT8173_POWER_DOMAIN_MM>; + clocks = <&mmsys CLK_MM_DISP_SPLIT0>; + }; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,ufoe.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,ufoe.yaml new file mode 100644 index 000000000000..c50477abfff2 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,ufoe.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,ufoe.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek display UFOe + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> + - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> + +description: | + The Mediatek display UFOe stands for Unified Frame Optimization engine. + UFOe can cut the data rate for DSI port which may lead to reduce power consumption. + UFOe device node must be siblings to the central MMSYS_CONFIG node. + For a description of the MMSYS_CONFIG binding, see + Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml for details. + +properties: + compatible: + oneOf: + - items: + - const: mediatek,mt8173-disp-ufoe + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + power-domains: + description: A phandle and PM domain specifier as defined by bindings of + the power controller specified by phandle. See + Documentation/devicetree/bindings/power/power-domain.yaml for details. + + clocks: + items: + - description: UFOe Clock + +required: + - compatible + - reg + - interrupts + - power-domains + - clocks + +additionalProperties: false + +examples: + - | + + ufoe@1401a000 { + compatible = "mediatek,mt8173-disp-ufoe"; + reg = <0 0x1401a000 0 0x1000>; + interrupts = <GIC_SPI 191 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; + clocks = <&mmsys CLK_MM_DISP_UFOE>; + }; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,wdma.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,wdma.yaml new file mode 100644 index 000000000000..ecf9549e0e07 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,wdma.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,wdma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek display WDMA + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> + - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> + +description: | + The mediatek display WDMA stands for Write Direct Memory Access. + It can write the data in display pipeline into DRAM. + WDMA 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,mt8173-disp-wdma + + 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: WDMA 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,larb: + description: + This property should contain a phandle pointing to the local arbiter deviceas defined in + Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml. + It must sort according to the local arbiter index, like larb0, larb1, larb2... + $ref: /schemas/types.yaml#/definitions/phandle-array + minItems: 1 + maxItems: 32 + + mediatek,gce-client-reg: + description: + The register of client driver can be configured by gce with 4 arguments defined + in this property, such as phandle of gce, subsys id, register offset and size. + Each subsys id is mapping to a base address of display function blocks register + which is defined in the gce header include/include/dt-bindings/gce/<chip>-gce.h. + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - power-domains + - clocks + - iommus + +additionalProperties: false + +examples: + - | + + wdma0: wdma@14011000 { + compatible = "mediatek,mt8173-disp-wdma"; + reg = <0 0x14011000 0 0x1000>; + interrupts = <GIC_SPI 185 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; + clocks = <&mmsys CLK_MM_DISP_WDMA0>; + iommus = <&iommu M4U_PORT_DISP_WDMA0>; + mediatek,larb = <&larb0>; + mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0x1000 0x1000>; + }; -- 2.18.0
