dt-binding: ptp_qoriq: add DPAA FMan support
This patch is to add bindings description for DPAA FMan 1588 timer, and also remove its description in fsl-fman dt-bindings document. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Richard Cochran <richardcochran@gmail.com> Acked-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -356,30 +356,7 @@ ethernet@e0000 {
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============================================================================
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FMan IEEE 1588 Node
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DESCRIPTION
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The FMan interface to support IEEE 1588
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PROPERTIES
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- compatible
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Usage: required
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Value type: <stringlist>
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Definition: A standard property.
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Must include "fsl,fman-ptp-timer".
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- reg
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Usage: required
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Value type: <prop-encoded-array>
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Definition: A standard property.
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EXAMPLE
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ptp-timer@fe000 {
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compatible = "fsl,fman-ptp-timer";
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reg = <0xfe000 0x1000>;
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};
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Refer to Documentation/devicetree/bindings/ptp/ptp-qoriq.txt
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=============================================================================
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FMan MDIO Node
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@ -2,7 +2,8 @@
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General Properties:
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- compatible Should be "fsl,etsec-ptp"
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- compatible Should be "fsl,etsec-ptp" for eTSEC
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Should be "fsl,fman-ptp-timer" for DPAA FMan
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- reg Offset and length of the register set for the device
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- interrupts There should be at least two interrupts. Some devices
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have as many as four PTP related interrupts.
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@ -43,14 +44,22 @@ Clock Properties:
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value, which will be directly written in those bits, that is why,
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according to reference manual, the next clock sources can be used:
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For eTSEC,
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<0> - external high precision timer reference clock (TSEC_TMR_CLK
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input is used for this purpose);
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<1> - eTSEC system clock;
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<2> - eTSEC1 transmit clock;
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<3> - RTC clock input.
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When this attribute is not used, eTSEC system clock will serve as
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IEEE 1588 timer reference clock.
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For DPAA FMan,
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<0> - external high precision timer reference clock (TMR_1588_CLK)
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<1> - MAC system clock (1/2 FMan clock)
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<2> - reserved
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<3> - RTC clock oscillator
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When this attribute is not used, the IEEE 1588 timer reference clock
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will use the eTSEC system clock (for Gianfar) or the MAC system
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clock (for DPAA).
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Example:
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