Re: [PATCH 1/1] stmmac: socfpga: Provide dt node to config ptp clk source.

Signed-off-by: Phil Reid <preid-qgqNFa1JUf/o2iN0hyhwsIdd74u8MsAO@public.gmane.org>
---
  Documentation/devicetree/bindings/net/socfpga-dwmac.txt |  2 ++
  drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c     | 10 ++++++++++
  2 files changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/socfpga-dwmac.txt b/Documentation/devicetree/bindings/net/socfpga-dwmac.txt
index 3a9d679..72d82d6 100644
--- a/Documentation/devicetree/bindings/net/socfpga-dwmac.txt
+++ b/Documentation/devicetree/bindings/net/socfpga-dwmac.txt

@@ -11,6 +11,8 @@ Required properties:
  		  designware version numbers documented in stmmac.txt
   - altr,sysmgr-syscon : Should be the phandle to the system manager node that
     encompasses the glue register, the register offset, and the register shift.
+ - altr,f2h_ptp_ref_clk use f2h_ptp_ref_clk instead of default eosc1 clock

+   for ptp ref clk. This affects all emacs as the clock is common.

  Optional properties:
  altr,emac-splitter: Should be the phandle to the emac splitter soft IP node if

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
index 401383b..c1bab62 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c

@@ -116,6 +118,9 @@ static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device *
  		return -EINVAL;
  	}

+	dwmac->f2h_ptp_ref_clk = of_property_read_bool(np, "f2h_ptp_ref_clk");