Message ID | 20220427112528.4097815-11-andre.przywara@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | None | expand |
On Wed, Apr 27, 2022 at 12:25:27PM +0100, Andre Przywara wrote: > The Arm Mali Display Processor (DP) 5xx/6xx is a series of IP that scans > out a framebuffer and hands the pixels over to a digital signal encoder. > It supports multiple layers, scaling and rotation. > > Convert the existing DT binding to DT schema. > > Signed-off-by: Andre Przywara <andre.przywara@arm.com> > --- > .../bindings/display/arm,malidp.txt | 68 ---------- > .../bindings/display/arm,malidp.yaml | 117 ++++++++++++++++++ > 2 files changed, 117 insertions(+), 68 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/display/arm,malidp.txt > create mode 100644 Documentation/devicetree/bindings/display/arm,malidp.yaml > > diff --git a/Documentation/devicetree/bindings/display/arm,malidp.txt b/Documentation/devicetree/bindings/display/arm,malidp.txt > deleted file mode 100644 > index 7a97a2b48c2a2..0000000000000 > --- a/Documentation/devicetree/bindings/display/arm,malidp.txt > +++ /dev/null > @@ -1,68 +0,0 @@ > -ARM Mali-DP > - > -The following bindings apply to a family of Display Processors sold as > -licensable IP by ARM Ltd. The bindings describe the Mali DP500, DP550 and > -DP650 processors that offer multiple composition layers, support for > -rotation and scaling output. > - > -Required properties: > - - compatible: should be one of > - "arm,mali-dp500" > - "arm,mali-dp550" > - "arm,mali-dp650" > - depending on the particular implementation present in the hardware > - - reg: Physical base address and size of the block of registers used by > - the processor. > - - interrupts: Interrupt list, as defined in ../interrupt-controller/interrupts.txt, > - interrupt client nodes. > - - interrupt-names: name of the engine inside the processor that will > - use the corresponding interrupt. Should be one of "DE" or "SE". > - - clocks: A list of phandle + clock-specifier pairs, one for each entry > - in 'clock-names' > - - clock-names: A list of clock names. It should contain: > - - "pclk": for the APB interface clock > - - "aclk": for the AXI interface clock > - - "mclk": for the main processor clock > - - "pxlclk": for the pixel clock feeding the output PLL of the processor. > - - arm,malidp-output-port-lines: Array of u8 values describing the number > - of output lines per channel (R, G and B). > - > -Required sub-nodes: > - - port: The Mali DP connection to an encoder input port. The connection > - is modelled using the OF graph bindings specified in > - Documentation/devicetree/bindings/graph.txt > - > -Optional properties: > - - memory-region: phandle to a node describing memory (see > - Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt) > - to be used for the framebuffer; if not present, the framebuffer may > - be located anywhere in memory. > - - arm,malidp-arqos-high-level: integer of u32 value describing the ARQoS > - levels of DP500's QoS signaling. > - > - > -Example: > - > -/ { > - ... > - > - dp0: malidp@6f200000 { > - compatible = "arm,mali-dp650"; > - reg = <0 0x6f200000 0 0x20000>; > - memory-region = <&display_reserved>; > - interrupts = <0 168 IRQ_TYPE_LEVEL_HIGH>, > - <0 168 IRQ_TYPE_LEVEL_HIGH>; > - interrupt-names = "DE", "SE"; > - clocks = <&oscclk2>, <&fpgaosc0>, <&fpgaosc1>, <&fpgaosc1>; > - clock-names = "pxlclk", "mclk", "aclk", "pclk"; > - arm,malidp-output-port-lines = /bits/ 8 <8 8 8>; > - arm,malidp-arqos-high-level = <0xd000d000>; > - port { > - dp0_output: endpoint { > - remote-endpoint = <&tda998x_2_input>; > - }; > - }; > - }; > - > - ... > -}; > diff --git a/Documentation/devicetree/bindings/display/arm,malidp.yaml b/Documentation/devicetree/bindings/display/arm,malidp.yaml > new file mode 100644 > index 0000000000000..86b636662f803 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/arm,malidp.yaml > @@ -0,0 +1,117 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/arm,malidp.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Arm Mali Display Processor (Mali-DP) binding > + > +maintainers: > + - Liviu Dudau <Liviu.Dudau@arm.com> > + - Andre Przywara <andre.przywara@arm.com> > + > +description: |+ > + The following bindings apply to a family of Display Processors sold as > + licensable IP by ARM Ltd. The bindings describe the Mali DP500, DP550 and > + DP650 processors that offer multiple composition layers, support for > + rotation and scaling output. > + > +properties: > + compatible: > + enum: > + - arm,mali-dp500 > + - arm,mali-dp550 > + - arm,mali-dp650 > + > + reg: > + maxItems: 1 > + > + interrupts: > + items: > + - description: > + The interrupt used by the Display Engine (DE). Can be shared with > + the interrupt for the Scaling Engine (SE), but it will have to be > + listed individually. > + - description: > + The interrupt used by the Scaling Engine (SE). Can be shared with > + the interrupt for the Display Engine (DE), but it will have to be > + listed individually. > + > + interrupt-names: > + items: > + - const: DE > + - const: SE > + > + clock-names: > + items: > + - const: pxlclk > + - const: mclk > + - const: aclk > + - const: pclk > + > + clocks: > + items: > + - description: the pixel clock feeding the output PLL of the processor > + - description: the main processor clock > + - description: the AXI interface clock > + - description: the APB interface clock > + > + memory-region: > + maxItems: 1 > + description: > + Phandle to a node describing memory to be used for the framebuffer. > + If not present, the framebuffer may be located anywhere in memory. > + > + arm,malidp-output-port-lines: > + $ref: /schemas/types.yaml#/definitions/uint8-array > + description: > + Number of output lines/bits for each colour channel. > + items: > + - description: number of output lines for the red channel (R) > + - description: number of output lines for the green channel (G) > + - description: number of output lines for the blue channel (B) > + > + arm,malidp-arqos-high-level: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: > + integer describing the ARQoS levels of DP500's QoS signaling > + > + port: > + $ref: /schemas/graph.yaml#/$defs/port-base /properties/port > + unevaluatedProperties: false > + description: > + Output endpoint of the controller, connecting the LCD panel signals. > + > +additionalProperties: false > + > +required: > + - compatible > + - reg > + - interrupts > + - interrupt-names > + - clocks > + - clock-names > + - port > + - arm,malidp-output-port-lines > + > +examples: > + - | > + dp0: malidp@6f200000 { > + compatible = "arm,mali-dp650"; > + reg = <0x6f200000 0x20000>; > + memory-region = <&display_reserved>; > + interrupts = <168>, <168>; > + interrupt-names = "DE", "SE"; > + clocks = <&oscclk2>, <&fpgaosc0>, <&fpgaosc1>, <&fpgaosc1>; > + clock-names = "pxlclk", "mclk", "aclk", "pclk"; > + arm,malidp-output-port-lines = /bits/ 8 <8 8 8>; > + arm,malidp-arqos-high-level = <0xd000d000>; > + > + port { > + dp0_output: endpoint { > + remote-endpoint = <&tda998x_2_input>; > + }; > + }; > + }; > + > +... > -- > 2.25.1 > >
diff --git a/Documentation/devicetree/bindings/display/arm,malidp.txt b/Documentation/devicetree/bindings/display/arm,malidp.txt deleted file mode 100644 index 7a97a2b48c2a2..0000000000000 --- a/Documentation/devicetree/bindings/display/arm,malidp.txt +++ /dev/null @@ -1,68 +0,0 @@ -ARM Mali-DP - -The following bindings apply to a family of Display Processors sold as -licensable IP by ARM Ltd. The bindings describe the Mali DP500, DP550 and -DP650 processors that offer multiple composition layers, support for -rotation and scaling output. - -Required properties: - - compatible: should be one of - "arm,mali-dp500" - "arm,mali-dp550" - "arm,mali-dp650" - depending on the particular implementation present in the hardware - - reg: Physical base address and size of the block of registers used by - the processor. - - interrupts: Interrupt list, as defined in ../interrupt-controller/interrupts.txt, - interrupt client nodes. - - interrupt-names: name of the engine inside the processor that will - use the corresponding interrupt. Should be one of "DE" or "SE". - - clocks: A list of phandle + clock-specifier pairs, one for each entry - in 'clock-names' - - clock-names: A list of clock names. It should contain: - - "pclk": for the APB interface clock - - "aclk": for the AXI interface clock - - "mclk": for the main processor clock - - "pxlclk": for the pixel clock feeding the output PLL of the processor. - - arm,malidp-output-port-lines: Array of u8 values describing the number - of output lines per channel (R, G and B). - -Required sub-nodes: - - port: The Mali DP connection to an encoder input port. The connection - is modelled using the OF graph bindings specified in - Documentation/devicetree/bindings/graph.txt - -Optional properties: - - memory-region: phandle to a node describing memory (see - Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt) - to be used for the framebuffer; if not present, the framebuffer may - be located anywhere in memory. - - arm,malidp-arqos-high-level: integer of u32 value describing the ARQoS - levels of DP500's QoS signaling. - - -Example: - -/ { - ... - - dp0: malidp@6f200000 { - compatible = "arm,mali-dp650"; - reg = <0 0x6f200000 0 0x20000>; - memory-region = <&display_reserved>; - interrupts = <0 168 IRQ_TYPE_LEVEL_HIGH>, - <0 168 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "DE", "SE"; - clocks = <&oscclk2>, <&fpgaosc0>, <&fpgaosc1>, <&fpgaosc1>; - clock-names = "pxlclk", "mclk", "aclk", "pclk"; - arm,malidp-output-port-lines = /bits/ 8 <8 8 8>; - arm,malidp-arqos-high-level = <0xd000d000>; - port { - dp0_output: endpoint { - remote-endpoint = <&tda998x_2_input>; - }; - }; - }; - - ... -}; diff --git a/Documentation/devicetree/bindings/display/arm,malidp.yaml b/Documentation/devicetree/bindings/display/arm,malidp.yaml new file mode 100644 index 0000000000000..86b636662f803 --- /dev/null +++ b/Documentation/devicetree/bindings/display/arm,malidp.yaml @@ -0,0 +1,117 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/arm,malidp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Arm Mali Display Processor (Mali-DP) binding + +maintainers: + - Liviu Dudau <Liviu.Dudau@arm.com> + - Andre Przywara <andre.przywara@arm.com> + +description: |+ + The following bindings apply to a family of Display Processors sold as + licensable IP by ARM Ltd. The bindings describe the Mali DP500, DP550 and + DP650 processors that offer multiple composition layers, support for + rotation and scaling output. + +properties: + compatible: + enum: + - arm,mali-dp500 + - arm,mali-dp550 + - arm,mali-dp650 + + reg: + maxItems: 1 + + interrupts: + items: + - description: + The interrupt used by the Display Engine (DE). Can be shared with + the interrupt for the Scaling Engine (SE), but it will have to be + listed individually. + - description: + The interrupt used by the Scaling Engine (SE). Can be shared with + the interrupt for the Display Engine (DE), but it will have to be + listed individually. + + interrupt-names: + items: + - const: DE + - const: SE + + clock-names: + items: + - const: pxlclk + - const: mclk + - const: aclk + - const: pclk + + clocks: + items: + - description: the pixel clock feeding the output PLL of the processor + - description: the main processor clock + - description: the AXI interface clock + - description: the APB interface clock + + memory-region: + maxItems: 1 + description: + Phandle to a node describing memory to be used for the framebuffer. + If not present, the framebuffer may be located anywhere in memory. + + arm,malidp-output-port-lines: + $ref: /schemas/types.yaml#/definitions/uint8-array + description: + Number of output lines/bits for each colour channel. + items: + - description: number of output lines for the red channel (R) + - description: number of output lines for the green channel (G) + - description: number of output lines for the blue channel (B) + + arm,malidp-arqos-high-level: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + integer describing the ARQoS levels of DP500's QoS signaling + + port: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: + Output endpoint of the controller, connecting the LCD panel signals. + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - interrupt-names + - clocks + - clock-names + - port + - arm,malidp-output-port-lines + +examples: + - | + dp0: malidp@6f200000 { + compatible = "arm,mali-dp650"; + reg = <0x6f200000 0x20000>; + memory-region = <&display_reserved>; + interrupts = <168>, <168>; + interrupt-names = "DE", "SE"; + clocks = <&oscclk2>, <&fpgaosc0>, <&fpgaosc1>, <&fpgaosc1>; + clock-names = "pxlclk", "mclk", "aclk", "pclk"; + arm,malidp-output-port-lines = /bits/ 8 <8 8 8>; + arm,malidp-arqos-high-level = <0xd000d000>; + + port { + dp0_output: endpoint { + remote-endpoint = <&tda998x_2_input>; + }; + }; + }; + +...
The Arm Mali Display Processor (DP) 5xx/6xx is a series of IP that scans out a framebuffer and hands the pixels over to a digital signal encoder. It supports multiple layers, scaling and rotation. Convert the existing DT binding to DT schema. Signed-off-by: Andre Przywara <andre.przywara@arm.com> --- .../bindings/display/arm,malidp.txt | 68 ---------- .../bindings/display/arm,malidp.yaml | 117 ++++++++++++++++++ 2 files changed, 117 insertions(+), 68 deletions(-) delete mode 100644 Documentation/devicetree/bindings/display/arm,malidp.txt create mode 100644 Documentation/devicetree/bindings/display/arm,malidp.yaml