new try micrel,reg-init = <2 8 0xfc1f 0x03e0>;

4688ac52 · Peter Jansweijer · f4294d84 · 4688ac52
Commit 4688ac52 authored May 06, 2020 by Peter Jansweijer
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Showing with 12 additions and 2 deletions

system-user.dtsi .../meta-user/recipes-bsp/device-tree/files/system-user.dtsi +12 -2

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--- a/sw/embedded/testos/project-spec/meta-user/recipes-bsp/device-tree/files/system-user.dtsi
+++ b/sw/embedded/testos/project-spec/meta-user/recipes-bsp/device-tree/files/system-user.dtsi
@@ -22,12 +22,22 @@
   #address-cells = <1>;
   #size-cells = <0>;
   phy0: ethernet-phy@0 {
-    comptaible = "micrel,ksz9031";
+    compatible = "micrel,ksz9031";
    device_type = "ethernet-phy";
    reg = <0>;
    /* txc-skew-ps = <960>; */
 	/* see Micrel KSZ9031 datasheet par. 3.9.3 and table 3.4 & 3.5 */
-	micrel,reg-init = <0xd 0x2 0xe 0x8 0xd 0x4002 0xe 0x03ef>;
+        /*
+           micrel,reg-init : one of more sets of 4 cells.  The first cell
+           is the MDIO Manageable Device (MMD) address, the second a register
+           address within the MMD, the third cell contains a mask to be ANDed
+           with the existing register value, and the fourth cell is ORed with
+           he result to yield the new register value.  If the third cell has a
+           value of zero, no read of the existing value is performed.
+        */
+
+	/* micrel,reg-init = <0xd 0x2 0xe 0x8 0xd 0x4002 0xe 0x03ef>; */
+	micrel,reg-init = <2 8 0xfc1f 0x03e0>;
   };
  }; 
 };