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Document all existing processing units. Signed-off-by: Liu Ying --- v7: * Drop DT alias documentations and add instance numbers to compatible strings. (Rob) v6: * No change. v5: * Document aliases for processing units which have multiple instances in the Display Controller. Drop Rob's previous R-b tag. (Maxime) v4: * Collect Rob's R-b tag. v3: * Combine fsl,imx8qxp-dc-fetchunit-common.yaml, fsl,imx8qxp-dc-fetchlayer.yaml and fsl,imx8qxp-dc-fetchwarp.yaml into 1 schema doc fsl,imx8qxp-dc-fetchunit.yaml. (Rob) * Document all processing units. (Rob) v2: * Drop fsl,dc-*-id DT properties. (Krzysztof) * Add port property to fsl,imx8qxp-dc-tcon.yaml. (Krzysztof) * Fix register range sizes in examples. .../imx/fsl,imx8qxp-dc-blitblend9.yaml | 41 +++++ .../display/imx/fsl,imx8qxp-dc-clut9.yaml | 44 ++++++ .../imx/fsl,imx8qxp-dc-constframe0.yaml | 48 ++++++ .../display/imx/fsl,imx8qxp-dc-dither0.yaml | 47 ++++++ .../display/imx/fsl,imx8qxp-dc-extdst0.yaml | 76 +++++++++ .../display/imx/fsl,imx8qxp-dc-fetchunit.yaml | 147 ++++++++++++++++++ .../display/imx/fsl,imx8qxp-dc-filter9.yaml | 43 +++++ .../display/imx/fsl,imx8qxp-dc-framegen0.yaml | 66 ++++++++ .../display/imx/fsl,imx8qxp-dc-gammacor0.yaml | 34 ++++ .../imx/fsl,imx8qxp-dc-layerblend0.yaml | 43 +++++ .../display/imx/fsl,imx8qxp-dc-matrix0.yaml | 76 +++++++++ .../display/imx/fsl,imx8qxp-dc-rop9.yaml | 43 +++++ .../display/imx/fsl,imx8qxp-dc-safety.yaml | 34 ++++ .../imx/fsl,imx8qxp-dc-scaling-engine.yaml | 87 +++++++++++ .../imx/fsl,imx8qxp-dc-signature0.yaml | 55 +++++++ .../display/imx/fsl,imx8qxp-dc-store9.yaml | 96 ++++++++++++ .../display/imx/fsl,imx8qxp-dc-tcon0.yaml | 47 ++++++ 17 files changed, 1027 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-blitblend9.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-clut9.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-constframe0.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-dither0.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-extdst0.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-fetchunit.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-filter9.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-framegen0.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-gammacor0.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-layerblend0.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-matrix0.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-rop9.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-safety.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-scaling-engine.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-signature0.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-store9.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-tcon0.yaml diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-blitblend9.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-blitblend9.yaml new file mode 100644 index 000000000000..621f8b30efcd --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-blitblend9.yaml @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-blitblend9.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Blit Blend Unit + +description: + Combines two input frames to a single output frame, all frames having the + same dimension. + +maintainers: + - Liu Ying + +properties: + compatible: + const: fsl,imx8qxp-dc-blitblend9 + + reg: + maxItems: 2 + + reg-names: + items: + - const: pec + - const: cfg + +required: + - compatible + - reg + - reg-names + +additionalProperties: false + +examples: + - | + blitblend@56180920 { + compatible = "fsl,imx8qxp-dc-blitblend9"; + reg = <0x56180920 0x10>, <0x56183c00 0x3c>; + reg-names = "pec", "cfg"; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-clut9.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-clut9.yaml new file mode 100644 index 000000000000..00e748d39a72 --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-clut9.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-clut9.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Color Lookup Table + +description: | + The unit implements 3 look-up tables with 256 x 10 bit entries each. These + can be used for different kinds of applications. From 10-bit input values + only upper 8 bits are used. + + The unit supports color lookup, index lookup, dithering and alpha masking. + +maintainers: + - Liu Ying + +properties: + compatible: + const: fsl,imx8qxp-dc-clut9 + + reg: + maxItems: 2 + + reg-names: + items: + - const: pec + - const: cfg + +required: + - compatible + - reg + - reg-names + +additionalProperties: false + +examples: + - | + clut@56180880 { + compatible = "fsl,imx8qxp-dc-clut9"; + reg = <0x56180880 0x10>, <0x56182400 0x404>; + reg-names = "pec", "cfg"; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-constframe0.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-constframe0.yaml new file mode 100644 index 000000000000..aeaf65b126cc --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-constframe0.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-constframe0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Constant Frame + +description: | + The Constant Frame unit is used instead of a Fetch unit where generation of + constant color frames only is sufficient. This is the case for the background + planes of content and safety streams in a Display Controller. + + The color can be setup to any RGBA value. + +maintainers: + - Liu Ying + +properties: + compatible: + enum: + - fsl,imx8qxp-dc-constframe0 + - fsl,imx8qxp-dc-constframe1 + - fsl,imx8qxp-dc-constframe4 + - fsl,imx8qxp-dc-constframe5 + + reg: + maxItems: 2 + + reg-names: + items: + - const: pec + - const: cfg + +required: + - compatible + - reg + - reg-names + +additionalProperties: false + +examples: + - | + constframe@56180960 { + compatible = "fsl,imx8qxp-dc-constframe0"; + reg = <0x56180960 0xc>, <0x56184400 0x20>; + reg-names = "pec", "cfg"; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-dither0.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-dither0.yaml new file mode 100644 index 000000000000..aff739f23244 --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-dither0.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-dither0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Dither Unit + +description: | + The unit can increase the physical color resolution of a display from 5, 6, 7 + or 8 bits per RGB channel to a virtual resolution of 10 bits. The physical + resolution can be set individually for each channel. + + The resolution is increased by mixing the two physical colors that are nearest + to the virtual color code in a variable ratio either by time (temporal + dithering) or by position (spatial dithering). + + An optimized algorithm for temporal dithering minimizes noise artifacts on the + output image. + + The dither operation can be individually enabled or disabled for each pixel + using the alpha input bit. + +maintainers: + - Liu Ying + +properties: + compatible: + enum: + - fsl,imx8qxp-dc-dither0 + - fsl,imx8qxp-dc-dither1 + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + dither@5618c400 { + compatible = "fsl,imx8qxp-dc-dither0"; + reg = <0x5618c400 0x14>; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-extdst0.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-extdst0.yaml new file mode 100644 index 000000000000..5c64e897bc35 --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-extdst0.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-extdst0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller External Destination Interface + +description: | + The External Destination unit is the interface between the internal pixel + processing pipeline of the Pixel Engine, which is 30-bit RGB plus 8-bit Alpha, + and a Display Engine. + + It comprises the following built-in Gamma apply function. + + +------X-----------------------+ + | | ExtDst Unit | + | V | + | +-------+ | + | | Gamma | | + | +-------+ | + | | | + | V + + +------X-----------------------+ + + The output format is 24-bit RGB plus 1-bit Alpha. Conversion from 10 to 8 + bits is done by LSBit truncation. Alpha output bit is 1 for input 255, 0 + otherwise. + +maintainers: + - Liu Ying + +properties: + compatible: + enum: + - fsl,imx8qxp-dc-extdst0 + - fsl,imx8qxp-dc-extdst1 + - fsl,imx8qxp-dc-extdst4 + - fsl,imx8qxp-dc-extdst5 + + reg: + maxItems: 2 + + reg-names: + items: + - const: pec + - const: cfg + + interrupts: + maxItems: 3 + + interrupt-names: + items: + - const: shdload + - const: framecomplete + - const: seqcomplete + +required: + - compatible + - reg + - reg-names + - interrupts + - interrupt-names + +additionalProperties: false + +examples: + - | + extdst@56180980 { + compatible = "fsl,imx8qxp-dc-extdst0"; + reg = <0x56180980 0x1c>, <0x56184800 0x28>; + reg-names = "pec", "cfg"; + interrupt-parent = <&dc0_intc>; + interrupts = <3>, <4>, <5>; + interrupt-names = "shdload", "framecomplete", "seqcomplete"; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-fetchunit.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-fetchunit.yaml new file mode 100644 index 000000000000..92f6600af49e --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-fetchunit.yaml @@ -0,0 +1,147 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-fetchunit.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Fetch Unit + +description: | + The Fetch Unit is the interface between the AXI bus for source buffer access + and the internal pixel processing pipeline, which is 30-bit RGB plus 8-bit + Alpha. + + It is used to generate foreground planes in Display Controllers and source + planes in Blit Engines, and comprises the following built-in functions to + convert a wide range of frame buffer types. + + +---------X-----------------------------------------+ + | | Fetch Unit | + | V | + | +---------+ | + | | | | + | | Decode | Decompression [Decode] | + | | | | + | +---------+ | + | | | + | V | + | +---------+ | + | | Clip & | Clip Window [All] | + | | Overlay | Plane composition [Layer, Warp] | + | | | | + | +---------+ | + | | | + | V | + | +---------+ | + | | Re- | Flip/Rotate/Repl./Drop [All] | + X--> | sample | Perspective/Affine warping [Persp] | + | | | | Arbitrary warping [Warp, Persp] | + | | +---------+ | + | | | | + | | V | + | | +---------+ | + | | | | | + | | | Palette | Color Palette [Layer, Decode] | + | | | | | + | | +---------+ | + | | | | + | | V | + | | +---------+ | + | | | Extract | Raw to RGBA/YUV [All] | + | | | & | Bit width expansion [All] | + | | | Expand | | + | | +---------+ | + | | | | + | | V | + | | +---------+ | + | | | | Planar to packed | + | |->| Combine | [Decode, Warp, Persp] | + | | | | | + | | +---------+ | + | | | | + | | V | + | | +---------+ | + | | | | YUV422 to YUV444 | + | | | Chroma | [Decode, Persp] | + | | | | | + | | +---------+ | + | | | | + | | V | + | | +---------+ | + | | | | YUV to RGB | + | | | Color | [Warp, Persp, Decode, Layer] | + | | | | | + | | +---------+ | + | | | | + | | V | + | | +---------+ | + | | | | Gamma removal | + | | | Gamma | [Warp, Persp, Decode, Layer] | + | | | | | + | | +---------+ | + | | | | + | | V | + | | +---------+ | + | | | | Alpla multiply, RGB pre-multiply | + | ->| Multiply| [Warp, Persp, Decode, Layer] | + | | | | + | --------- | + | | | + | V | + | +---------+ | + | | | Bilinear filter | + | | Filter | [Warp, Persp] | + | | | | + | +---------+ | + | | | + | V | + +---------X-----------------------------------------+ + + Note that different derivatives of the Fetch Unit exist. Each implements a + specific subset only of the pipeline stages shown above. Restrictions for the + units are specified in [square brackets]. + +maintainers: + - Liu Ying + +properties: + compatible: + enum: + - fsl,imx8qxp-dc-fetchdecode0 + - fsl,imx8qxp-dc-fetchdecode1 + - fsl,imx8qxp-dc-fetchdecode9 + - fsl,imx8qxp-dc-fetcheco0 + - fsl,imx8qxp-dc-fetcheco1 + - fsl,imx8qxp-dc-fetcheco2 + - fsl,imx8qxp-dc-fetcheco9 + - fsl,imx8qxp-dc-fetchlayer0 + - fsl,imx8qxp-dc-fetchwarp2 + - fsl,imx8qxp-dc-fetchwarp9 + + reg: + maxItems: 2 + + reg-names: + items: + - const: pec + - const: cfg + + fsl,prg: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Optional Prefetch Resolve Gasket associated with the Fetch Unit. + +required: + - compatible + - reg + - reg-names + +additionalProperties: false + +examples: + - | + fetchlayer@56180ac0 { + compatible = "fsl,imx8qxp-dc-fetchlayer0"; + reg = <0x56180ac0 0xc>, <0x56188400 0x404>; + reg-names = "pec", "cfg"; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-filter9.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-filter9.yaml new file mode 100644 index 000000000000..fbdac4526b7b --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-filter9.yaml @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-filter9.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Filter Unit + +description: | + 5x5 FIR filter with 25 programmable coefficients. + + Typical applications are image blurring, sharpening or support for edge + detection algorithms. + +maintainers: + - Liu Ying + +properties: + compatible: + const: fsl,imx8qxp-dc-filter9 + + reg: + maxItems: 2 + + reg-names: + items: + - const: pec + - const: cfg + +required: + - compatible + - reg + - reg-names + +additionalProperties: false + +examples: + - | + filter@56180900 { + compatible = "fsl,imx8qxp-dc-filter9"; + reg = <0x56180900 0x10>, <0x56183800 0x30>; + reg-names = "pec", "cfg"; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-framegen0.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-framegen0.yaml new file mode 100644 index 000000000000..72e88bbffb17 --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-framegen0.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-framegen0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Frame Generator + +description: + The Frame Generator (FrameGen) module generates a programmable video timing + and optionally allows to synchronize the generated video timing to external + synchronization signals. + +maintainers: + - Liu Ying + +properties: + compatible: + enum: + - fsl,imx8qxp-dc-framegen0 + - fsl,imx8qxp-dc-framegen1 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + interrupts: + maxItems: 8 + + interrupt-names: + items: + - const: int0 + - const: int1 + - const: int2 + - const: int3 + - const: primsync_on + - const: primsync_off + - const: secsync_on + - const: secsync_off + +required: + - compatible + - reg + - clocks + - interrupts + - interrupt-names + +additionalProperties: false + +examples: + - | + #include + #include + + framegen@5618b800 { + compatible = "fsl,imx8qxp-dc-framegen0"; + reg = <0x5618b800 0x98>; + clocks = <&dc0_disp_lpcg IMX_LPCG_CLK_0>; + interrupt-parent = <&dc0_intc>; + interrupts = <18>, <19>, <20>, <21>, <41>, <42>, <43>, <44>; + interrupt-names = "int0", "int1", "int2", "int3", + "primsync_on", "primsync_off", + "secsync_on", "secsync_off"; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-gammacor0.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-gammacor0.yaml new file mode 100644 index 000000000000..0eab18192966 --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-gammacor0.yaml @@ -0,0 +1,34 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-gammacor0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Gamma Correction Unit + +description: The unit supports non-linear color transformation. + +maintainers: + - Liu Ying + +properties: + compatible: + enum: + - fsl,imx8qxp-dc-gammacor0 + - fsl,imx8qxp-dc-gammacor1 + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + gammacor@5618c000 { + compatible = "fsl,imx8qxp-dc-gammacor0"; + reg = <0x5618c000 0x20>; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-layerblend0.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-layerblend0.yaml new file mode 100644 index 000000000000..228cd0a9e9f8 --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-layerblend0.yaml @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-layerblend0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Layer Blend Unit + +description: Combines two input frames to a single output frame. + +maintainers: + - Liu Ying + +properties: + compatible: + enum: + - fsl,imx8qxp-dc-layerblend0 + - fsl,imx8qxp-dc-layerblend1 + - fsl,imx8qxp-dc-layerblend2 + - fsl,imx8qxp-dc-layerblend3 + + reg: + maxItems: 2 + + reg-names: + items: + - const: pec + - const: cfg + +required: + - compatible + - reg + - reg-names + +additionalProperties: false + +examples: + - | + layerblend@56180ba0 { + compatible = "fsl,imx8qxp-dc-layerblend0"; + reg = <0x56180ba0 0x10>, <0x5618a400 0x20>; + reg-names = "pec", "cfg"; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-matrix0.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-matrix0.yaml new file mode 100644 index 000000000000..fe2a77b518f9 --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-matrix0.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-matrix0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Color Matrix + +description: + The unit supports linear color transformation, alpha pre-multiply and + alpha masking. + +maintainers: + - Liu Ying + +properties: + compatible: + enum: + - fsl,imx8qxp-dc-matrix0 + - fsl,imx8qxp-dc-matrix1 + - fsl,imx8qxp-dc-matrix4 + - fsl,imx8qxp-dc-matrix5 + - fsl,imx8qxp-dc-matrix9 + + reg: + minItems: 1 + maxItems: 2 + + reg-names: + oneOf: + - const: cfg # matrix in display engine + - items: # matrix in pixel engine + - const: pec + - const: cfg + +required: + - compatible + - reg + - reg-names + +allOf: + - if: + properties: + compatible: + contains: + enum: + - fsl,imx8qxp-dc-matrix0 + - fsl,imx8qxp-dc-matrix1 + then: + properties: + reg: + minItems: 1 + maxItems: 1 + + reg-names: + const: cfg + else: + properties: + reg: + minItems: 2 + maxItems: 2 + + reg-names: + items: + - const: pec + - const: cfg + +additionalProperties: false + +examples: + - | + matrix@5618bc00 { + compatible = "fsl,imx8qxp-dc-matrix0"; + reg = <0x5618bc00 0x3c>; + reg-names = "cfg"; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-rop9.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-rop9.yaml new file mode 100644 index 000000000000..371bff3aaede --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-rop9.yaml @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-rop9.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Raster Operation Unit + +description: | + The unit can combine up to three input frames to a single output frame, all + having the same dimension. + + The unit supports logic operations, arithmetic operations and packing. + +maintainers: + - Liu Ying + +properties: + compatible: + const: fsl,imx8qxp-dc-rop9 + + reg: + maxItems: 2 + + reg-names: + items: + - const: pec + - const: cfg + +required: + - compatible + - reg + - reg-names + +additionalProperties: false + +examples: + - | + rop@56180860 { + compatible = "fsl,imx8qxp-dc-rop9"; + reg = <0x56180860 0x10>, <0x56182000 0x20>; + reg-names = "pec", "cfg"; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-safety.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-safety.yaml new file mode 100644 index 000000000000..66c12948ab09 --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-safety.yaml @@ -0,0 +1,34 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-safety.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Safety Unit + +description: + The unit allows corresponding processing units to be configured in a path + leading to multiple endpoints. + +maintainers: + - Liu Ying + +properties: + compatible: + const: fsl,imx8qxp-dc-safety + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + safety@56180800 { + compatible = "fsl,imx8qxp-dc-safety"; + reg = <0x56180800 0x1c>; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-scaling-engine.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-scaling-engine.yaml new file mode 100644 index 000000000000..f9cd25488584 --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-scaling-engine.yaml @@ -0,0 +1,87 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-scaling-engine.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Scaling Engine + +description: | + The unit can change the dimension of the input frame by nearest or linear + re-sampling with 1/32 sub pixel precision. + + Internally it consist of two independent blocks for horizontal and vertical + scaling. The sequence of both operations is arbitrary. + + Any frame dimensions between 1 and 16384 pixels in width and height are + supported, except that the vertical scaler has a frame width maximum + depending of the system's functional limitations. + + In general all scale factors are supported inside the supported frame + dimensions. In range of scale factors 1/16..16 the filtered output colors + are LSBit precise (e.g. DC ripple free). + + +-----------+ + | Line | + | Buffer | + +-----------+ + ^ + | + V + |\ +-----------+ + ------+ | | | + | | +-->| Vertical |---- + | ----+ | | Scaler | | + | | |/ +-----------+ | + | | | + | | | + | | | |\ + | ------------- -------------+-----+ | + Input --+ X | +--> Output + | ------------- -------------+-----+ | + | | | |/ + | | | + | | |\ +-----------+ | + | ----+ | | | | + | | +-->| Horizontal|---- + ------+ | | Scaler | + |/ +-----------+ + + The unit supports downscaling, upscaling, sub pixel translation and bob + de-interlacing. + +maintainers: + - Liu Ying + +properties: + compatible: + enum: + - fsl,imx8qxp-dc-hscaler4 + - fsl,imx8qxp-dc-hscaler5 + - fsl,imx8qxp-dc-hscaler9 + - fsl,imx8qxp-dc-vscaler4 + - fsl,imx8qxp-dc-vscaler5 + - fsl,imx8qxp-dc-vscaler9 + + reg: + maxItems: 2 + + reg-names: + items: + - const: pec + - const: cfg + +required: + - compatible + - reg + - reg-names + +additionalProperties: false + +examples: + - | + hscaler@561808c0 { + compatible = "fsl,imx8qxp-dc-hscaler9"; + reg = <0x561808c0 0x10>, <0x56183000 0x18>; + reg-names = "pec", "cfg"; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-signature0.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-signature0.yaml new file mode 100644 index 000000000000..5add40dd7edd --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-signature0.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-signature0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Signature Unit + +description: | + In order to control the correctness of display output, signature values can + be computed for each frame and compared against reference values. In case of + a mismatch (signature violation) a HW event can be triggered, for example a + SW interrupt. + + This unit supports signature computation, reference check, evaluation windows, + alpha masking and panic modes. + +maintainers: + - Liu Ying + +properties: + compatible: + enum: + - fsl,imx8qxp-dc-signature0 + - fsl,imx8qxp-dc-signature1 + + reg: + maxItems: 1 + + interrupts: + maxItems: 3 + + interrupt-names: + items: + - const: shdload + - const: valid + - const: error + +required: + - compatible + - reg + - interrupts + - interrupt-names + +additionalProperties: false + +examples: + - | + signature@5618d000 { + compatible = "fsl,imx8qxp-dc-signature0"; + reg = <0x5618d000 0x140>; + interrupt-parent = <&dc0_intc>; + interrupts = <22>, <23>, <24>; + interrupt-names = "shdload", "valid", "error"; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-store9.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-store9.yaml new file mode 100644 index 000000000000..3228b5206f0f --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-store9.yaml @@ -0,0 +1,96 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-store9.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Store Unit + +description: | + The Store unit is the interface between the internal pixel processing + pipeline, which is 30-bit RGB plus 8-bit Alpha, and the AXI bus for + destination buffer access. It is used for the destination of Blit Engines. + It comprises a set of built-in functions to generate a wide range of buffer + formats. Note, that these are exactly inverse to corresponding functions in + the Fetch Unit. + + +------X-------------------------+ + | | Store Unit | + | V | + | +-------+ | + | | Gamma | Gamma apply | + | +-------+ | + | | | + | V | + | +-------+ | + | | Color | RGB to YUV | + | +-------+ | + | | | + | V | + | +-------+ | + | | Chroma| YUV444 to 422 | + | +-------+ | + | | | + | V | + | +-------+ | + | | Reduce| Bit width reduction | + | | | dithering | + | +-------+ | + | | | + | V | + | +-------+ | + | | Pack | RGBA/YUV to RAW | + | | Encode| or Compression | + | +-------+ | + | | | + | V | + +------X-------------------------+ + +maintainers: + - Liu Ying + +properties: + compatible: + const: fsl,imx8qxp-dc-store9 + + reg: + maxItems: 2 + + reg-names: + items: + - const: pec + - const: cfg + + interrupts: + maxItems: 3 + + interrupt-names: + items: + - const: shdload + - const: framecomplete + - const: seqcomplete + + fsl,lts: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Optional Linear Tile Store associated with the Store Unit. + +required: + - compatible + - reg + - reg-names + - interrupts + - interrupt-names + +additionalProperties: false + +examples: + - | + store@56180940 { + compatible = "fsl,imx8qxp-dc-store9"; + reg = <0x56180940 0x1c>, <0x56184000 0x5c>; + reg-names = "pec", "cfg"; + interrupt-parent = <&dc0_intc>; + interrupts = <0>, <1>, <2>; + interrupt-names = "shdload", "framecomplete", "seqcomplete"; + }; diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-tcon0.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-tcon0.yaml new file mode 100644 index 000000000000..fc771c067f74 --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-tcon0.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-tcon0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Timing Controller + +description: + The TCon can generate a wide range of customized synchronization signals and + does the mapping of the color bits to the output. + +maintainers: + - Liu Ying + +properties: + compatible: + enum: + - fsl,imx8qxp-dc-tcon0 + - fsl,imx8qxp-dc-tcon1 + + reg: + maxItems: 1 + + port: + $ref: /schemas/graph.yaml#/properties/port + description: video output + +required: + - compatible + - reg + - port + +additionalProperties: false + +examples: + - | + tcon@5618c800 { + compatible = "fsl,imx8qxp-dc-tcon0"; + reg = <0x5618c800 0x588>; + + port { + dc0_disp0_dc0_pixel_combiner_ch0: endpoint { + remote-endpoint = <&dc0_pixel_combiner_ch0_dc0_disp0>; + }; + }; + };