This adds the documentation for TSN feature EST and FP.
Signed-off-by: Jose Abreu <joabreu@xxxxxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Joao Pinto <jpinto@xxxxxxxxxxxx>
Cc: Giuseppe Cavallaro <peppe.cavallaro@xxxxxx>
Cc: Alexandre Torgue <alexandre.torgue@xxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
---
Documentation/devicetree/bindings/net/stmmac.txt | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt
index c3a7be6..6359df6 100644
--- a/Documentation/devicetree/bindings/net/stmmac.txt
+++ b/Documentation/devicetree/bindings/net/stmmac.txt
@@ -114,6 +114,16 @@ Optional properties:
- snps,high_credit: max write outstanding req. limit
- snps,low_credit: max read outstanding req. limit
- snps,priority: TX queue priority (Range: 0x0 to 0xF)
+- TSN parameters: below the list of all the parameters to configure TSN
+ features (only applicable for IP version >= 5.00)
+ - snps,est: Enable EST algorithm
+ - If EST enabled provide these parameters:
+ - snps,btr: Array size of 2 with BTR value for EST algorithm
+ - snps,ctr: Array size of 2 with CTR value for EST algorithm
+ - snps,ter: TER value for EST algorithm
+ - snps,gcl: Variable size array with GCL table entries.
+ - snps,fp: Enable FP feature. This needs EST enabled.
+
Examples:
stmmac_axi_setup: stmmac-axi-config {
@@ -151,6 +161,15 @@ Examples:
};
};
+ tsn_setup: tsn-config {
+ snps,est;
+ snps,btr = <0x00000000 0x00000001>;
+ snps,ctr = <0x00000000 0x10000000>;
+ snps,ter = <0x00000000>;
+ snps,gcl = <0x00000001 0x00000002 0x00000003>;
+ snps,fp;
+ };
+
gmac0: ethernet@e0800000 {
compatible = "st,spear600-gmac";
reg = <0xe0800000 0x8000>;
@@ -176,4 +195,5 @@ Examples:
};
snps,mtl-rx-config = <&mtl_rx_setup>;
snps,mtl-tx-config = <&mtl_tx_setup>;
+ snps,tsn-config = <&tsn_setup>;
};
--
1.9.1
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