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[v2,03/10] dt-binding: ptp_qoriq: add DPAA FMan support

Message ID 20180607032256.39802-4-yangbo.lu@nxp.com
State Deferred, archived
Delegated to: David Miller
Headers show
Series Support DPAA PTP clock and timestamping | expand

Commit Message

Yangbo Lu June 7, 2018, 3:22 a.m. UTC 
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>
---
Changes for v2:
	- None.
---
 Documentation/devicetree/bindings/net/fsl-fman.txt |   25 +-------------------
 .../devicetree/bindings/ptp/ptp-qoriq.txt          |   15 +++++++++--
 2 files changed, 13 insertions(+), 27 deletions(-)
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Patch

diff --git a/Documentation/devicetree/bindings/net/fsl-fman.txt b/Documentation/devicetree/bindings/net/fsl-fman.txt
index df873d1..74603dd 100644
--- a/Documentation/devicetree/bindings/net/fsl-fman.txt
+++ b/Documentation/devicetree/bindings/net/fsl-fman.txt
@@ -356,30 +356,7 @@  ethernet@e0000 {
 ============================================================================
 FMan IEEE 1588 Node
 
-DESCRIPTION
-
-The FMan interface to support IEEE 1588
-
-
-PROPERTIES
-
-- compatible
-		Usage: required
-		Value type: <stringlist>
-		Definition: A standard property.
-		Must include "fsl,fman-ptp-timer".
-
-- reg
-		Usage: required
-		Value type: <prop-encoded-array>
-		Definition: A standard property.
-
-EXAMPLE
-
-ptp-timer@fe000 {
-	compatible = "fsl,fman-ptp-timer";
-	reg = <0xfe000 0x1000>;
-};
+Refer to Documentation/devicetree/bindings/ptp/ptp-qoriq.txt
 
 =============================================================================
 FMan MDIO Node
diff --git a/Documentation/devicetree/bindings/ptp/ptp-qoriq.txt b/Documentation/devicetree/bindings/ptp/ptp-qoriq.txt
index 0f569d8..c5d0e79 100644
--- a/Documentation/devicetree/bindings/ptp/ptp-qoriq.txt
+++ b/Documentation/devicetree/bindings/ptp/ptp-qoriq.txt
@@ -2,7 +2,8 @@ 
 
 General Properties:
 
-  - compatible   Should be "fsl,etsec-ptp"
+  - compatible   Should be "fsl,etsec-ptp" for eTSEC
+                 Should be "fsl,fman-ptp-timer" for DPAA FMan
   - reg          Offset and length of the register set for the device
   - interrupts   There should be at least two interrupts. Some devices
                  have as many as four PTP related interrupts.
@@ -43,14 +44,22 @@  Clock Properties:
   value, which will be directly written in those bits, that is why,
   according to reference manual, the next clock sources can be used:
 
+  For eTSEC,
   <0> - external high precision timer reference clock (TSEC_TMR_CLK
         input is used for this purpose);
   <1> - eTSEC system clock;
   <2> - eTSEC1 transmit clock;
   <3> - RTC clock input.
 
-  When this attribute is not used, eTSEC system clock will serve as
-  IEEE 1588 timer reference clock.
+  For DPAA FMan,
+  <0> - external high precision timer reference clock (TMR_1588_CLK)
+  <1> - MAC system clock (1/2 FMan clock)
+  <2> - reserved
+  <3> - RTC clock oscillator
+
+  When this attribute is not used, the IEEE 1588 timer reference clock
+  will use the eTSEC system clock (for Gianfar) or the MAC system
+  clock (for DPAA).
 
 Example: