net: ethernet: mtk_eth_soc: Always call mtk_gmac0_rgmii_adjust() for mt7623
authorRené van Dorst <opensource@vdorst.com>
Thu, 23 Jul 2020 19:07:10 +0000 (20:07 +0100)
committerDavid S. Miller <davem@davemloft.net>
Wed, 29 Jul 2020 00:04:30 +0000 (17:04 -0700)
Modify mtk_gmac0_rgmii_adjust() so it can always be called.
mtk_gmac0_rgmii_adjust() sets-up the TRGMII clocks.

Signed-off-by: René van Dorst <opensource@vdorst.com>
Signed-off-By: David Woodhouse <dwmw2@infradead.org>
Tested-by: Frank Wunderlich <frank-w@public-files.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/mediatek/mtk_eth_soc.c

index f6a1f86..85735d3 100644 (file)
@@ -171,11 +171,21 @@ static int mt7621_gmac0_rgmii_adjust(struct mtk_eth *eth,
        return 0;
 }
 
-static void mtk_gmac0_rgmii_adjust(struct mtk_eth *eth, int speed)
+static void mtk_gmac0_rgmii_adjust(struct mtk_eth *eth,
+                                  phy_interface_t interface, int speed)
 {
        u32 val;
        int ret;
 
+       if (interface == PHY_INTERFACE_MODE_TRGMII) {
+               mtk_w32(eth, TRGMII_MODE, INTF_MODE);
+               val = 500000000;
+               ret = clk_set_rate(eth->clks[MTK_CLK_TRGPLL], val);
+               if (ret)
+                       dev_err(eth->dev, "Failed to set trgmii pll: %d\n", ret);
+               return;
+       }
+
        val = (speed == SPEED_1000) ?
                INTF_MODE_RGMII_1000 : INTF_MODE_RGMII_10_100;
        mtk_w32(eth, val, INTF_MODE);
@@ -262,10 +272,9 @@ static void mtk_mac_config(struct phylink_config *config, unsigned int mode,
                                                              state->interface))
                                        goto err_phy;
                        } else {
-                               if (state->interface !=
-                                   PHY_INTERFACE_MODE_TRGMII)
-                                       mtk_gmac0_rgmii_adjust(mac->hw,
-                                                              state->speed);
+                               mtk_gmac0_rgmii_adjust(mac->hw,
+                                                      state->interface,
+                                                      state->speed);
 
                                /* mt7623_pad_clk_setup */
                                for (i = 0 ; i < NUM_TRGMII_CTRL; i++)