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# 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
'#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'
examples:
# Display PIXEL Clock node:
- |
dpclk: clock-display@f1f0000 {
compatible = "fsl,ls1028a-plldig";
reg = <0x0 0xf1f0000 0x0 0xffff>;
#clock-cells = <0>;
clocks = <&osc_27m>;
};
...
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