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charset="utf-8" i.MX8qxp Display Controller contains a command sequencer is designed to autonomously process command lists. Signed-off-by: Liu Ying Reviewed-by: Rob Herring (Arm) --- v9: * Add Rob's R-b tag. v8: * No change. v7: * No change. v6: * No change. v5: * No change. v4: * Replace "fsl,iram" property with standard "sram" property. (Rob) v3: * New patch. (Rob) .../imx/fsl,imx8qxp-dc-command-sequencer.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8q= xp-dc-command-sequencer.yaml diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-c= ommand-sequencer.yaml b/Documentation/devicetree/bindings/display/imx/fsl,i= mx8qxp-dc-command-sequencer.yaml new file mode 100644 index 000000000000..27118f4c0d28 --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-command-= sequencer.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-command-sequ= encer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Command Sequencer + +description: | + The Command Sequencer is designed to autonomously process command lists. + By that it can load setups into the DC configuration and synchronize to + hardware events. This releases a system's CPU from workload, because it + does not need to wait for certain events. Also it simplifies SW archite= cture, + because no interrupt handlers are required. Setups are read via AXI bus, + while write access to configuration registers occurs directly via an int= ernal + bus. This saves bandwidth for the AXI interconnect and improves the sys= tem + architecture in terms of safety aspects. + +maintainers: + - Liu Ying + +properties: + compatible: + const: fsl,imx8qxp-dc-command-sequencer + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + interrupts: + maxItems: 5 + + interrupt-names: + items: + - const: error + - const: sw0 + - const: sw1 + - const: sw2 + - const: sw3 + + sram: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle pointing to the mmio-sram device node + +required: + - compatible + - reg + - clocks + - interrupts + - interrupt-names + +additionalProperties: false + +examples: + - | + #include + + command-sequencer@56180400 { + compatible =3D "fsl,imx8qxp-dc-command-sequencer"; + reg =3D <0x56180400 0x1a4>; + clocks =3D <&dc0_lpcg IMX_LPCG_CLK_5>; + interrupt-parent =3D <&dc0_intc>; + interrupts =3D <36>, <37>, <38>, <39>, <40>; + interrupt-names =3D "error", "sw0", "sw1", "sw2", "sw3"; + }; --=20 2.34.1