1// SPDX-License-Identifier: (GPL-2.0 OR MIT)
  2/*
  3 * Copyright 2021-2022 Innovative Advantage Inc.
  4 */
  5
  6#include <linux/mfd/ocelot.h>
  7#include <linux/platform_device.h>
  8#include <linux/regmap.h>
  9#include <soc/mscc/ocelot.h>
 10#include <soc/mscc/vsc7514_regs.h>
 11#include "felix.h"
 12
 13#define VSC7514_NUM_PORTS		11
 14
 15#define OCELOT_PORT_MODE_SERDES		(OCELOT_PORT_MODE_SGMII | \
 16					 OCELOT_PORT_MODE_QSGMII)
 17
 18static const u32 vsc7512_port_modes[VSC7514_NUM_PORTS] = {
 19	OCELOT_PORT_MODE_INTERNAL,
 20	OCELOT_PORT_MODE_INTERNAL,
 21	OCELOT_PORT_MODE_INTERNAL,
 22	OCELOT_PORT_MODE_INTERNAL,
 23	OCELOT_PORT_MODE_SERDES,
 24	OCELOT_PORT_MODE_SERDES,
 25	OCELOT_PORT_MODE_SERDES,
 26	OCELOT_PORT_MODE_SERDES,
 27	OCELOT_PORT_MODE_SERDES,
 28	OCELOT_PORT_MODE_SGMII,
 29	OCELOT_PORT_MODE_SERDES,
 30};
 31
 32static const struct ocelot_ops ocelot_ext_ops = {
 33	.reset		= ocelot_reset,
 34	.wm_enc		= ocelot_wm_enc,
 35	.wm_dec		= ocelot_wm_dec,
 36	.wm_stat	= ocelot_wm_stat,
 37	.port_to_netdev	= felix_port_to_netdev,
 38	.netdev_to_port	= felix_netdev_to_port,
 39};
 40
 41static const char * const vsc7512_resource_names[TARGET_MAX] = {
 42	[SYS] = "sys",
 43	[REW] = "rew",
 44	[S0] = "s0",
 45	[S1] = "s1",
 46	[S2] = "s2",
 47	[QS] = "qs",
 48	[QSYS] = "qsys",
 49	[ANA] = "ana",
 50};
 51
 52static const struct felix_info vsc7512_info = {
 53	.resource_names			= vsc7512_resource_names,
 54	.regfields			= vsc7514_regfields,
 55	.map				= vsc7514_regmap,
 56	.ops				= &ocelot_ext_ops,
 57	.vcap				= vsc7514_vcap_props,
 58	.num_mact_rows			= 1024,
 59	.num_ports			= VSC7514_NUM_PORTS,
 60	.port_modes			= vsc7512_port_modes,
 61	.phylink_mac_config		= ocelot_phylink_mac_config,
 62	.configure_serdes		= ocelot_port_configure_serdes,
 63};
 64
 65static int ocelot_ext_probe(struct platform_device *pdev)
 66{
 67	return felix_register_switch(&pdev->dev, 0, 1, false, false,
 68				     DSA_TAG_PROTO_OCELOT, &vsc7512_info);
 69}
 70
 71static void ocelot_ext_remove(struct platform_device *pdev)
 72{
 73	struct felix *felix = dev_get_drvdata(&pdev->dev);
 74
 75	if (!felix)
 76		return;
 77
 78	dsa_unregister_switch(felix->ds);
 79}
 80
 81static void ocelot_ext_shutdown(struct platform_device *pdev)
 82{
 83	struct felix *felix = dev_get_drvdata(&pdev->dev);
 84
 85	if (!felix)
 86		return;
 87
 88	dsa_switch_shutdown(felix->ds);
 89
 90	dev_set_drvdata(&pdev->dev, NULL);
 91}
 92
 93static const struct of_device_id ocelot_ext_switch_of_match[] = {
 94	{ .compatible = "mscc,vsc7512-switch" },
 95	{ },
 96};
 97MODULE_DEVICE_TABLE(of, ocelot_ext_switch_of_match);
 98
 99static struct platform_driver ocelot_ext_switch_driver = {
100	.driver = {
101		.name = "ocelot-ext-switch",
102		.of_match_table = ocelot_ext_switch_of_match,
103	},
104	.probe = ocelot_ext_probe,
105	.remove = ocelot_ext_remove,
106	.shutdown = ocelot_ext_shutdown,
107};
108module_platform_driver(ocelot_ext_switch_driver);
109
110MODULE_DESCRIPTION("External Ocelot Switch driver");
111MODULE_LICENSE("GPL");
112MODULE_IMPORT_NS("MFD_OCELOT");