[PATCH 10/14] net: phy: Handle reset-delay-us/reset-post-delay-us properties

Marek Vasut marek.vasut+renesas at mailbox.org
Wed May 31 00:51:27 CEST 2023


These two properties are used by various DTs in place of
current reset-assert-us/reset-deassert-us , handle both .

Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
---
Cc: Geert Uytterhoeven <geert+renesas at glider.be>
Cc: Joe Hershberger <joe.hershberger at ni.com>
Cc: Michal Simek <michal.simek at amd.com>
Cc: Nishanth Menon <nm at ti.com>
Cc: Ramon Fried <rfried.dev at gmail.com>
---
 drivers/net/eth-phy-uclass.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/eth-phy-uclass.c b/drivers/net/eth-phy-uclass.c
index 231bad66514..9d1e8d38ffa 100644
--- a/drivers/net/eth-phy-uclass.c
+++ b/drivers/net/eth-phy-uclass.c
@@ -144,6 +144,14 @@ static int eth_phy_of_to_plat(struct udevice *dev)
 	uc_priv->reset_assert_delay = dev_read_u32_default(dev, "reset-assert-us", 0);
 	uc_priv->reset_deassert_delay = dev_read_u32_default(dev, "reset-deassert-us", 0);
 
+	/* These are used by some DTs, try these as a fallback. */
+	if (!uc_priv->reset_assert_delay && !uc_priv->reset_deassert_delay) {
+		uc_priv->reset_assert_delay =
+			dev_read_u32_default(dev, "reset-delay-us", 0);
+		uc_priv->reset_deassert_delay =
+			dev_read_u32_default(dev, "reset-post-delay-us", 0);
+	}
+
 	return 0;
 }
 
-- 
2.39.2



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