From 2cb785b4967aa56b0c4dc9742db413b76a373aa3 Mon Sep 17 00:00:00 2001 From: Yangbo Lu Date: Mon, 25 Jun 2018 20:37:09 +0800 Subject: 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 Reviewed-by: Rob Herring Acked-by: Richard Cochran Acked-by: Madalin Bucur Signed-off-by: David S. Miller --- Documentation/devicetree/bindings/net/fsl-fman.txt | 25 +--------------------- .../devicetree/bindings/ptp/ptp-qoriq.txt | 15 ++++++++++--- 2 files changed, 13 insertions(+), 27 deletions(-) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/net/fsl-fman.txt b/Documentation/devicetree/bindings/net/fsl-fman.txt index df873d1f3b7c..74603dd0789e 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: - Definition: A standard property. - Must include "fsl,fman-ptp-timer". - -- reg - Usage: required - Value type: - 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 0f569d8e73a3..c5d0e7998e2b 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: -- cgit v1.2.3-59-g8ed1b