summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
blob: be4b5ad74a3c097e2a09b2b6cc209f110eef776f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2015 - 2023 Beijing WangXun Technology Co., Ltd. */

#include <linux/gpio/property.h>
#include <linux/i2c.h>
#include <linux/pci.h>

#include "../libwx/wx_type.h"
#include "txgbe_type.h"
#include "txgbe_phy.h"

static int txgbe_swnodes_register(struct txgbe *txgbe)
{
	struct txgbe_nodes *nodes = &txgbe->nodes;
	struct pci_dev *pdev = txgbe->wx->pdev;
	struct software_node *swnodes;
	u32 id;

	id = (pdev->bus->number << 8) | pdev->devfn;

	snprintf(nodes->gpio_name, sizeof(nodes->gpio_name), "txgbe_gpio-%x", id);
	snprintf(nodes->i2c_name, sizeof(nodes->i2c_name), "txgbe_i2c-%x", id);
	snprintf(nodes->sfp_name, sizeof(nodes->sfp_name), "txgbe_sfp-%x", id);
	snprintf(nodes->phylink_name, sizeof(nodes->phylink_name), "txgbe_phylink-%x", id);

	swnodes = nodes->swnodes;

	/* GPIO 0: tx fault
	 * GPIO 1: tx disable
	 * GPIO 2: sfp module absent
	 * GPIO 3: rx signal lost
	 * GPIO 4: rate select, 1G(0) 10G(1)
	 * GPIO 5: rate select, 1G(0) 10G(1)
	 */
	nodes->gpio_props[0] = PROPERTY_ENTRY_STRING("pinctrl-names", "default");
	swnodes[SWNODE_GPIO] = NODE_PROP(nodes->gpio_name, nodes->gpio_props);
	nodes->gpio0_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_GPIO], 0, GPIO_ACTIVE_HIGH);
	nodes->gpio1_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_GPIO], 1, GPIO_ACTIVE_HIGH);
	nodes->gpio2_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_GPIO], 2, GPIO_ACTIVE_LOW);
	nodes->gpio3_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_GPIO], 3, GPIO_ACTIVE_HIGH);
	nodes->gpio4_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_GPIO], 4, GPIO_ACTIVE_HIGH);
	nodes->gpio5_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_GPIO], 5, GPIO_ACTIVE_HIGH);

	nodes->i2c_props[0] = PROPERTY_ENTRY_STRING("compatible", "snps,designware-i2c");
	nodes->i2c_props[1] = PROPERTY_ENTRY_BOOL("wx,i2c-snps-model");
	nodes->i2c_props[2] = PROPERTY_ENTRY_U32("clock-frequency", I2C_MAX_STANDARD_MODE_FREQ);
	swnodes[SWNODE_I2C] = NODE_PROP(nodes->i2c_name, nodes->i2c_props);
	nodes->i2c_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_I2C]);

	nodes->sfp_props[0] = PROPERTY_ENTRY_STRING("compatible", "sff,sfp");
	nodes->sfp_props[1] = PROPERTY_ENTRY_REF_ARRAY("i2c-bus", nodes->i2c_ref);
	nodes->sfp_props[2] = PROPERTY_ENTRY_REF_ARRAY("tx-fault-gpios", nodes->gpio0_ref);
	nodes->sfp_props[3] = PROPERTY_ENTRY_REF_ARRAY("tx-disable-gpios", nodes->gpio1_ref);
	nodes->sfp_props[4] = PROPERTY_ENTRY_REF_ARRAY("mod-def0-gpios", nodes->gpio2_ref);
	nodes->sfp_props[5] = PROPERTY_ENTRY_REF_ARRAY("los-gpios", nodes->gpio3_ref);
	nodes->sfp_props[6] = PROPERTY_ENTRY_REF_ARRAY("rate-select1-gpios", nodes->gpio4_ref);
	nodes->sfp_props[7] = PROPERTY_ENTRY_REF_ARRAY("rate-select0-gpios", nodes->gpio5_ref);
	swnodes[SWNODE_SFP] = NODE_PROP(nodes->sfp_name, nodes->sfp_props);
	nodes->sfp_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_SFP]);

	nodes->phylink_props[0] = PROPERTY_ENTRY_STRING("managed", "in-band-status");
	nodes->phylink_props[1] = PROPERTY_ENTRY_REF_ARRAY("sfp", nodes->sfp_ref);
	swnodes[SWNODE_PHYLINK] = NODE_PROP(nodes->phylink_name, nodes->phylink_props);

	nodes->group[SWNODE_GPIO] = &swnodes[SWNODE_GPIO];
	nodes->group[SWNODE_I2C] = &swnodes[SWNODE_I2C];
	nodes->group[SWNODE_SFP] = &swnodes[SWNODE_SFP];
	nodes->group[SWNODE_PHYLINK] = &swnodes[SWNODE_PHYLINK];

	return software_node_register_node_group(nodes->group);
}

int txgbe_init_phy(struct txgbe *txgbe)
{
	int ret;

	ret = txgbe_swnodes_register(txgbe);
	if (ret) {
		wx_err(txgbe->wx, "failed to register software nodes\n");
		return ret;
	}

	return 0;
}

void txgbe_remove_phy(struct txgbe *txgbe)
{
	software_node_unregister_node_group(txgbe->nodes.group);
}