Florian

On 6/2/20 5:33 PM, Florian Fainelli wrote:

On 6/2/2020 9:45 AM, Dan Murphy wrote:
Add RGMII internal delay configuration for Rx and Tx.

Signed-off-by: Dan Murphy <dmur...@ti.com>
---
[snip]

+
  enum {
        DP83869_PORT_MIRRORING_KEEP,
        DP83869_PORT_MIRRORING_EN,
@@ -108,6 +113,8 @@ enum {
  struct dp83869_private {
        int tx_fifo_depth;
        int rx_fifo_depth;
+       s32 rx_id_delay;
+       s32 tx_id_delay;
        int io_impedance;
        int port_mirroring;
        bool rxctrl_strap_quirk;
@@ -232,6 +239,22 @@ static int dp83869_of_init(struct phy_device *phydev)
                                 &dp83869->tx_fifo_depth))
                dp83869->tx_fifo_depth = DP83869_PHYCR_FIFO_DEPTH_4_B_NIB;
+ ret = of_property_read_u32(of_node, "rx-internal-delay-ps",
+                                  &dp83869->rx_id_delay);
+       if (ret) {
+               dp83869->rx_id_delay =
+                               dp83869_internal_delay[DP83869_CLK_DELAY_DEF];
+               ret = 0;
+       }
+
+       ret = of_property_read_u32(of_node, "tx-internal-delay-ps",
+                                  &dp83869->tx_id_delay);
+       if (ret) {
+               dp83869->tx_id_delay =
+                               dp83869_internal_delay[DP83869_CLK_DELAY_DEF];
+               ret = 0;
+       }
It is still not clear to me why is not the parsing being done by the PHY
library helper directly?

Why would we do that for these properties and not any other?

Unless there is a new precedence being set here by having the PHY framework do all the dt node parsing for common properties.

Dan



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