From 8897f91a5397a90c7e2b6fad4263c93541c9a685 Mon Sep 17 00:00:00 2001 From: Michael Chang Date: Wed, 5 Feb 2025 10:01:06 +0800 Subject: [PATCH] net: designware: support phy io micro voltage setting. Support phy io micro voltage setting for NPCM8XX rgmii interface. Signed-off-by: Michael Chang --- drivers/net/designware.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/designware.c b/drivers/net/designware.c index 94d8f1b4c04..0a1fff38727 100644 --- a/drivers/net/designware.c +++ b/drivers/net/designware.c @@ -741,6 +741,18 @@ int designware_eth_probe(struct udevice *dev) puts("Error enabling phy supply\n"); return ret; } +#if IS_ENABLED(CONFIG_ARCH_NPCM8XX) + int phy_uv; + + phy_uv = dev_read_u32_default(dev, "phy-supply-microvolt", 0); + if (phy_uv) { + ret = regulator_set_value(phy_supply, phy_uv); + if (ret) { + puts("Error setting phy voltage\n"); + return ret; + } + } +#endif } #endif -- 2.47.2