linux-kernel - [PATCH v3 0/3] add ast2400/2500 phy-handle support

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Date:   Fri, 30 Oct 2020 16:37:04 +0300
From:   Ivan Mikhaylov <i.mikhaylov@...ro.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Po-Yu Chuang <ratbert@...aday-tech.com>
CC:     Ivan Mikhaylov <i.mikhaylov@...ro.com>,
        Joel Stanley <joel@....id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <openbmc@...ts.ozlabs.org>
Subject: [PATCH v3 0/3] add ast2400/2500 phy-handle support

This patch introduces ast2400/2500 phy-handle support with an embedded
MDIO controller. At the current moment it is not possible to set options
with this format on ast2400/2500:

mac {
	phy-handle = <&phy>;
	phy-mode = "rgmii";

	mdio {
		#address-cells = <1>;
		#size-cells = <0>;

		phy: ethernet-phy@0 {
			compatible = "ethernet-phy-idxxxx.yyyy";
			reg = <0>;
		};
	};
};

The patch fixes it and gets possible PHYs and register them with
of_mdiobus_register.

Changes from v3:
   1. add dt-bindings description of MDIO node and phy-handle option
      with example.

Changes from v2:
   1. change manual phy interface type check on phy_interface_mode_is_rgmii
      function.
   2. add err_phy_connect label.
   3. split ftgmac100_destroy_mdio into ftgmac100_phy_disconnect and
      ftgmac100_destroy_mdio.
   4. remove unneeded mdio_np checks.

Changes from v1:
   1. split one patch into two.

Ivan Mikhaylov (3):
  net: ftgmac100: move phy connect out from ftgmac100_setup_mdio
  net: ftgmac100: add handling of mdio/phy nodes for ast2400/2500
  dt-bindings: net: ftgmac100: describe phy-handle and MDIO

 .../devicetree/bindings/net/ftgmac100.txt     |  25 ++++
 drivers/net/ethernet/faraday/ftgmac100.c      | 122 ++++++++++--------
 2 files changed, 96 insertions(+), 51 deletions(-)

-- 
2.21.1