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Diffstat (limited to 'Documentation/devicetree/bindings/clock/fsl,plldig.yaml')
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1 files changed, 58 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/fsl,plldig.yaml b/Documentation/devicetree/bindings/clock/fsl,plldig.yaml new file mode 100644 index 000000000..9ac716dfa --- /dev/null +++ b/Documentation/devicetree/bindings/clock/fsl,plldig.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/fsl,plldig.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP QorIQ Layerscape LS1028A Display PIXEL Clock Binding + +maintainers: + - Wen He <wen.he_1@nxp.com> + +description: | + NXP LS1028A has a clock domain PXLCLK0 used for the Display output + interface in the display core, as implemented in TSMC CLN28HPM PLL. + which generate and offers pixel clocks to Display. + +properties: + compatible: + const: fsl,ls1028a-plldig + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + '#clock-cells': + const: 0 + + fsl,vco-hz: + description: Optional for VCO frequency of the PLL in Hertz. The VCO frequency + of this PLL cannot be changed during runtime only at startup. Therefore, + the output frequencies are very limited and might not even closely match + the requested frequency. To work around this restriction the user may specify + its own desired VCO frequency for the PLL. + minimum: 650000000 + maximum: 1300000000 + default: 1188000000 + +required: + - compatible + - reg + - clocks + - '#clock-cells' + +additionalProperties: false + +examples: + # Display PIXEL Clock node: + - | + dpclk: clock-display@f1f0000 { + compatible = "fsl,ls1028a-plldig"; + reg = <0xf1f0000 0xffff>; + #clock-cells = <0>; + clocks = <&osc_27m>; + }; + +... |