Add the internal delay values into the header and update the binding
with the internal delay properties.

Signed-off-by: Dan Murphy <dmur...@ti.com>
---
 .../devicetree/bindings/net/ti,dp83869.yaml    | 16 ++++++++++++++++
 include/dt-bindings/net/ti-dp83869.h           | 18 ++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/ti,dp83869.yaml 
b/Documentation/devicetree/bindings/net/ti,dp83869.yaml
index 5b69ef03bbf7..344015ab9081 100644
--- a/Documentation/devicetree/bindings/net/ti,dp83869.yaml
+++ b/Documentation/devicetree/bindings/net/ti,dp83869.yaml
@@ -64,6 +64,20 @@ properties:
        Operational mode for the PHY.  If this is not set then the operational
        mode is set by the straps. see dt-bindings/net/ti-dp83869.h for values
 
+  ti,rx-internal-delay:
+    $ref: /schemas/types.yaml#definitions/uint32
+    description: |
+      RGMII Receive Clock Delay - see dt-bindings/net/ti-dp83869.h
+      for applicable values. Required only if interface type is
+      PHY_INTERFACE_MODE_RGMII_ID or PHY_INTERFACE_MODE_RGMII_RXID.
+
+  ti,tx-internal-delay:
+    $ref: /schemas/types.yaml#definitions/uint32
+    description: |
+      RGMII Transmit Clock Delay - see dt-bindings/net/ti-dp83869.h
+      for applicable values. Required only if interface type is
+      PHY_INTERFACE_MODE_RGMII_ID or PHY_INTERFACE_MODE_RGMII_TXID.
+
 required:
   - reg
 
@@ -80,5 +94,7 @@ examples:
         ti,op-mode = <DP83869_RGMII_COPPER_ETHERNET>;
         ti,max-output-impedance = "true";
         ti,clk-output-sel = <DP83869_CLK_O_SEL_CHN_A_RCLK>;
+        ti,rx-internal-delay = <DP83869_RGMIIDCTL_2_25_NS>;
+        ti,tx-internal-delay = <DP83869_RGMIIDCTL_2_75_NS>;
       };
     };
diff --git a/include/dt-bindings/net/ti-dp83869.h 
b/include/dt-bindings/net/ti-dp83869.h
index 218b1a64e975..77d104a40f1f 100644
--- a/include/dt-bindings/net/ti-dp83869.h
+++ b/include/dt-bindings/net/ti-dp83869.h
@@ -16,6 +16,24 @@
 #define DP83869_PHYCR_FIFO_DEPTH_6_B_NIB       0x02
 #define DP83869_PHYCR_FIFO_DEPTH_8_B_NIB       0x03
 
+/* RGMIIDCTL internal delay for rx and tx */
+#define        DP83869_RGMIIDCTL_250_PS        0x0
+#define        DP83869_RGMIIDCTL_500_PS        0x1
+#define        DP83869_RGMIIDCTL_750_PS        0x2
+#define        DP83869_RGMIIDCTL_1_NS          0x3
+#define        DP83869_RGMIIDCTL_1_25_NS       0x4
+#define        DP83869_RGMIIDCTL_1_50_NS       0x5
+#define        DP83869_RGMIIDCTL_1_75_NS       0x6
+#define        DP83869_RGMIIDCTL_2_00_NS       0x7
+#define        DP83869_RGMIIDCTL_2_25_NS       0x8
+#define        DP83869_RGMIIDCTL_2_50_NS       0x9
+#define        DP83869_RGMIIDCTL_2_75_NS       0xa
+#define        DP83869_RGMIIDCTL_3_00_NS       0xb
+#define        DP83869_RGMIIDCTL_3_25_NS       0xc
+#define        DP83869_RGMIIDCTL_3_50_NS       0xd
+#define        DP83869_RGMIIDCTL_3_75_NS       0xe
+#define        DP83869_RGMIIDCTL_4_00_NS       0xf
+
 /* IO_MUX_CFG - Clock output selection */
 #define DP83869_CLK_O_SEL_CHN_A_RCLK           0x0
 #define DP83869_CLK_O_SEL_CHN_B_RCLK           0x1
-- 
2.26.2

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