board: ti: j721e: evm.c: Add support for probing SerDes0

Add support for probing, initializing and powering, SerDes0 instance.

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>

diff --git a/board/ti/j721e/evm.c b/board/ti/j721e/evm.c
index 077d83420c9c790cbb1a5720d989deee65fe728b..ad85b9d50115f9cc778445f102e3a590690b3ba5 100644 (file)
--- a/board/ti/j721e/evm.c
+++ b/board/ti/j721e/evm.c
@@ -413,6 +413,40 @@ void configure_serdes_torrent(void)
                printf("phy_power_on failed !!\n");
 }
 
+void configure_serdes_sierra(void)
+{
+       struct udevice *dev, *lnk_dev;
+       struct phy serdes;
+       int ret, count, i;
+
+       if (!IS_ENABLED(CONFIG_PHY_CADENCE_SIERRA))
+               return;
+
+       ret = uclass_get_device_by_driver(UCLASS_PHY,
+                                         DM_DRIVER_GET(sierra_phy_provider),
+                                         &dev);
+       if (ret)
+               printf("Sierra init failed:%d\n", ret);
+
+       serdes.dev = dev;
+       serdes.id = 0;
+
+       count = device_get_child_count(dev);
+       for (i = 0; i < count; i++) {
+               ret = device_get_child(dev, i, &lnk_dev);
+               if (ret)
+                       printf("probe of sierra child node %d failed\n", i);
+       }
+
+       ret = generic_phy_init(&serdes);
+       if (ret)
+               printf("phy_init failed!!\n");
+
+       ret = generic_phy_power_on(&serdes);
+       if (ret)
+               printf("phy_power_on failed !!\n");
+}
+
 int board_late_init(void)
 {
        if (IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT)) {
@@ -426,6 +460,9 @@ int board_late_init(void)
        if (board_is_j7200_som())
                configure_serdes_torrent();
 
+       if (board_is_j721e_som())
+               configure_serdes_sierra();
+
        return 0;
 }