dts: bindings: clock: nrf54l-hfxo: add startup-time-us prop
Add the clock startup time property to the nrf54l series HFXO binding. Note that the values added to the soc .dtsi files are worst case defaults, which will be replaced with optimal values at board level in the future, as they depend on the specific crystal in use. Signed-off-by: Bjarki Arge Andreasen <bjarki.andreasen@nordicsemi.no>
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4 changed files with 17 additions and 0 deletions
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@ -11,6 +11,20 @@ properties:
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clock-frequency:
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const: 32000000
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startup-time-us:
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type: int
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required: true
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description: |
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Startup time in microseconds.
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The value can be obtained by first measuring the time between
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TASKS_XOSTART and EVENTS_XOTUNED. Then multiply the value by 2 to
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account for temperature and supply variations.
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Note that the startup time will be longer usual on the first
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power-up and as such should not be used to determine
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startup-time-us.
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load-capacitors:
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type: string
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enum:
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1
dts/vendor/nordic/nrf54l09.dtsi
vendored
1
dts/vendor/nordic/nrf54l09.dtsi
vendored
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@ -65,6 +65,7 @@
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compatible = "nordic,nrf54l-hfxo";
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#clock-cells = <0>;
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clock-frequency = <DT_FREQ_M(32)>;
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startup-time-us = <1650>;
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};
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hfpll: hfpll {
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1
dts/vendor/nordic/nrf54l20.dtsi
vendored
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dts/vendor/nordic/nrf54l20.dtsi
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@ -64,6 +64,7 @@
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compatible = "nordic,nrf54l-hfxo";
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#clock-cells = <0>;
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clock-frequency = <DT_FREQ_M(32)>;
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startup-time-us = <1650>;
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};
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hfpll: hfpll {
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1
dts/vendor/nordic/nrf54l_05_10_15.dtsi
vendored
1
dts/vendor/nordic/nrf54l_05_10_15.dtsi
vendored
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@ -65,6 +65,7 @@
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compatible = "nordic,nrf54l-hfxo";
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#clock-cells = <0>;
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clock-frequency = <DT_FREQ_M(32)>;
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startup-time-us = <1650>;
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};
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hfpll: hfpll {
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