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