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03de305ec4
As part of bringing the master branch back in to next, we need to allow for all of these changes to exist here. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Xilinx ethernet phy reset driver
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*
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* Copyright (C) 2022 Xilinx, Inc.
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*/
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#include <dm/device_compat.h>
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#include <dm/device-internal.h>
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#include <dm/lists.h>
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#include <phy.h>
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#include <linux/delay.h>
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#include <asm/gpio.h>
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struct phy_device *phy_connect_phy_id(struct mii_dev *bus, struct udevice *dev,
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int phyaddr)
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{
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struct phy_device *phydev;
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struct ofnode_phandle_args phandle_args;
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const char *node_name;
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struct udevice *pdev;
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u16 vendor, device;
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ofnode node;
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u32 id;
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int ret;
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if (dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0,
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&phandle_args))
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return NULL;
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if (!ofnode_valid(phandle_args.node))
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return NULL;
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node = phandle_args.node;
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ret = ofnode_read_eth_phy_id(node, &vendor, &device);
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if (ret) {
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debug("Failed to read eth PHY id, err: %d\n", ret);
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return NULL;
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}
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ret = phy_gpio_reset(dev);
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if (ret)
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return NULL;
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if (phyaddr == -1)
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phyaddr = ofnode_read_u32_default(phandle_args.node, "reg", -1);
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id = vendor << 16 | device;
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phydev = phy_device_create(bus, phyaddr, id, false);
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if (phydev)
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phydev->node = node;
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if (IS_ENABLED(CONFIG_DM_ETH_PHY) && ofnode_valid(node)) {
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node_name = ofnode_get_name(node);
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ret = device_bind_driver_to_node(dev, "eth_phy_generic_drv",
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node_name, node,
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&pdev);
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if (ret)
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return NULL;
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ret = device_probe(pdev);
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if (ret)
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return NULL;
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}
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return phydev;
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}
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