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From: Andrew Lunn <andrew@lunn.ch>
To: alexandru.tachici@analog.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	davem@davemloft.net, kuba@kernel.org, linux@armlinux.org.uk,
	Alexandru Ardelean <alexandru.ardelean@analog.com>
Subject: Re: [PATCH 1/4] net: phy: adin1100: Add initial support for ADIN1100 industrial PHY
Date: Thu, 24 Jun 2021 19:23:39 +0200	[thread overview]
Message-ID: <YNS/mwLfM0M1ZOoQ@lunn.ch> (raw)
In-Reply-To: <20210624145353.6910-2-alexandru.tachici@analog.com>

> +static int adin_config_init(struct phy_device *phydev)
> +{
> +	struct adin_priv *priv = phydev->priv;
> +	struct device *dev = &phydev->mdio.dev;
> +	int ret;
> +
> +	ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, ADIN_B10L_PMA_STAT);
> +	if (ret < 0)
> +		return ret;
> +
> +	/* This depends on the voltage level from the power source */
> +	priv->tx_level_24v = !!(ret & ADIN_PMA_STAT_B10L_TX_LVL_HI_ABLE);
> +
> +	phydev_dbg(phydev, "PHY supports 2.4V TX level: %s\n",
> +		   priv->tx_level_24v ? "yes" : "no");
> +
> +	if (priv->tx_level_24v &&
> +	    device_property_present(dev, "adi,disable-2-4-v-tx-level")) {
> +		phydev_info(phydev,
> +			    "PHY supports 2.4V TX level, but disabled via config\n");
> +		priv->tx_level_24v = 0;

Please document this in the device tree binding. I also suspect Rob
will prefer something like adi,disable-2400mv-tx-level

       Andrew

  parent reply	other threads:[~2021-06-24 17:23 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-24 14:53 [PATCH 0/4] net: phy: adin1100: Add initial support for ADIN1100 industrial PHY alexandru.tachici
2021-06-24 14:53 ` [PATCH 1/4] " alexandru.tachici
2021-06-24 17:15   ` Andrew Lunn
2021-06-24 17:23   ` Andrew Lunn [this message]
2021-06-24 22:26   ` kernel test robot
2021-06-24 14:53 ` [PATCH 2/4] net: phy: adin1100: Add ethtool get_stats support alexandru.tachici
2021-06-24 17:19   ` Andrew Lunn
2021-06-24 14:53 ` [PATCH 3/4] net: phy: adin1100: Add ethtool master-slave support alexandru.tachici
2021-06-24 14:53 ` [PATCH 4/4] net: phy: adin1100: Add SQI support alexandru.tachici

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