hc
2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf
kernel/Documentation/devicetree/bindings/ptp/ptp-qoriq.txt
....@@ -4,6 +4,8 @@
44
55 - compatible Should be "fsl,etsec-ptp" for eTSEC
66 Should be "fsl,fman-ptp-timer" for DPAA FMan
7
+ Should be "fsl,dpaa2-ptp" for DPAA2
8
+ Should be "fsl,enetc-ptp" for ENETC
79 - reg Offset and length of the register set for the device
810 - interrupts There should be at least two interrupts. Some devices
911 have as many as four PTP related interrupts.
....@@ -16,7 +18,14 @@
1618 - fsl,tmr-add Frequency compensation value.
1719 - fsl,tmr-fiper1 Fixed interval period pulse generator.
1820 - fsl,tmr-fiper2 Fixed interval period pulse generator.
21
+ - fsl,tmr-fiper3 Fixed interval period pulse generator.
22
+ Supported only on DPAA2 and ENETC hardware.
1923 - fsl,max-adj Maximum frequency adjustment in parts per billion.
24
+ - fsl,extts-fifo The presence of this property indicates hardware
25
+ support for the external trigger stamp FIFO.
26
+ - little-endian The presence of this property indicates the 1588 timer
27
+ IP block is little-endian mode. The default endian mode
28
+ is big-endian.
2029
2130 These properties set the operational parameters for the PTP
2231 clock. You must choose these carefully for the clock to work right.