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author | Phil Reid <preid@electromag.com.au> | 2015-12-14 03:32:00 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2015-12-16 04:20:56 (GMT) |
commit | bf171f01afe31f0c593deb55b96c3cb9e20cd6dd (patch) | |
tree | 5aff1a1dfe5ede9cfbb8c56edccc54a617b271cc /Documentation | |
parent | e34d65696d2ef13dc32f2a162556c86c461ed763 (diff) | |
download | linux-bf171f01afe31f0c593deb55b96c3cb9e20cd6dd.tar.xz |
stmmac: Correct documentation on stmmac clocks.
devm_get_clk looks in clock-name property for matching clock.
the ptp_ref_clk property is ignored.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/net/stmmac.txt | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt index fd5ddf8..e862a92 100644 --- a/Documentation/devicetree/bindings/net/stmmac.txt +++ b/Documentation/devicetree/bindings/net/stmmac.txt @@ -35,15 +35,14 @@ Optional properties: - reset-names: Should contain the reset signal name "stmmaceth", if a reset phandle is given - max-frame-size: See ethernet.txt file in the same directory -- clocks: If present, the first clock should be the GMAC main clock and - the second clock should be peripheral's register interface clock. Further - clocks may be specified in derived bindings. -- clock-names: One name for each entry in the clocks property, the - first one should be "stmmaceth" and the second one should be "pclk". -- clk_ptp_ref: this is the PTP reference clock; in case of the PTP is - available this clock is used for programming the Timestamp Addend Register. - If not passed then the system clock will be used and this is fine on some - platforms. +- clocks: If present, the first clock should be the GMAC main clock + The optional second clock should be peripheral's register interface clock. + The third optional clock should be the ptp reference clock. + Further clocks may be specified in derived bindings. +- clock-names: One name for each entry in the clocks property. + The first one should be "stmmaceth". + The optional second one should be "pclk". + The optional third one should be "clk_ptp_ref". - snps,burst_len: The AXI burst lenth value of the AXI BUS MODE register. - tx-fifo-depth: See ethernet.txt file in the same directory - rx-fifo-depth: See ethernet.txt file in the same directory |