[v4, 03/10] dt-binding: ptp_qoriq: add DPAA FMan support
From: yangbo.lu@nxp.com (Yangbo Lu)
Date: 2018-06-25 12:41:51
Also in:
linux-devicetree, linuxppc-dev, lkml, netdev
Subsystem:
networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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> --- Changes for v2: - None. Changes for v3: - None. Changes for v4: - Added ACKs and review. --- Documentation/devicetree/bindings/net/fsl-fman.txt | 25 +------------------- .../devicetree/bindings/ptp/ptp-qoriq.txt | 15 +++++++++-- 2 files changed, 13 insertions(+), 27 deletions(-)
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 at 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 at 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:
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1.7.1