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 18 static 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 32 static 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 41 static 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 52 static 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 65 static 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 71 static 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 81 static 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 93 static const struct of_device_id ocelot_ext_switch_of_match[] = { 94 { .compatible = "mscc,vsc7512-switch" }, 95 { }, 96 }; 97 MODULE_DEVICE_TABLE(of, ocelot_ext_switch_of_match); 98 99 static 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 }; 108 module_platform_driver(ocelot_ext_switch_driver); 109 110 MODULE_DESCRIPTION("External Ocelot Switch driver"); 111 MODULE_LICENSE("GPL"); 112 MODULE_IMPORT_NS(MFD_OCELOT); 113