net: ethernet: Add TSE PCS support to dwmac-socfpga

This adds support for TSE PCS that uses SGMII adapter when the phy-mode of
the dwmac is set to sgmii.

Signed-off-by: Tien Hock Loh <thloh@altera.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 19 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/net/socfpga-dwmac.txt b/Documentation/devicetree/bindings/net/socfpga-dwmac.txt
index 72d82d684342..2e68a3cd8513 100644
--- a/Documentation/devicetree/bindings/net/socfpga-dwmac.txt
+++ b/Documentation/devicetree/bindings/net/socfpga-dwmac.txt
@@ -17,9 +17,26 @@ Required properties:
 Optional properties:
 altr,emac-splitter: Should be the phandle to the emac splitter soft IP node if
 		DWMAC controller is connected emac splitter.
+phy-mode: The phy mode the ethernet operates in
+altr,sgmii-to-sgmii-converter: phandle to the TSE SGMII converter
+
+This device node has additional phandle dependency, the sgmii converter:
+
+Required properties:
+ - compatible	: Should be altr,gmii-to-sgmii-2.0
+ - reg-names	: Should be "eth_tse_control_port"
 
 Example:
 
+gmii_to_sgmii_converter: phy@0x100000240 {
+	compatible = "altr,gmii-to-sgmii-2.0";
+	reg = <0x00000001 0x00000240 0x00000008>,
+		<0x00000001 0x00000200 0x00000040>;
+	reg-names = "eth_tse_control_port";
+	clocks = <&sgmii_1_clk_0 &emac1 1 &sgmii_clk_125 &sgmii_clk_125>;
+	clock-names = "tse_pcs_ref_clk_clock_connection", "tse_rx_cdr_refclk";
+};
+
 gmac0: ethernet@ff700000 {
 	compatible = "altr,socfpga-stmmac", "snps,dwmac-3.70a", "snps,dwmac";
 	altr,sysmgr-syscon = <&sysmgr 0x60 0>;
@@ -30,4 +47,6 @@ gmac0: ethernet@ff700000 {
 	mac-address = [00 00 00 00 00 00];/* Filled in by U-Boot */
 	clocks = <&emac_0_clk>;
 	clock-names = "stmmaceth";
+	phy-mode = "sgmii";
+	altr,gmii-to-sgmii-converter = <&gmii_to_sgmii_converter>;
 };