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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 1114 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_new = 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);113