Lines Matching +full:sparx5 +full:- +full:switch +full:- +full:reset

1 // SPDX-License-Identifier: GPL-2.0+
2 /* Microchip Sparx5 Switch Reset driver
6  * The Sparx5 Chip Register Model can be browsed at this location:
7  * https://github.com/microchip-ung/sparx-5_reginfo
14 #include <linux/reset-controller.h>
40 	/* Make sure the core is PROTECTED from reset */  in sparx5_switch_reset()
41 	regmap_update_bits(ctx->cpu_ctrl, PROTECT_REG, PROTECT_BIT, PROTECT_BIT);  in sparx5_switch_reset()
43 	/* Start soft reset */  in sparx5_switch_reset()
44 	regmap_write(ctx->gcb_ctrl, SOFT_RESET_REG, SOFT_RESET_BIT);  in sparx5_switch_reset()
46 	/* Wait for soft reset done */  in sparx5_switch_reset()
47 	return regmap_read_poll_timeout(ctx->gcb_ctrl, SOFT_RESET_REG, val,  in sparx5_switch_reset()
53 	.reset = sparx5_switch_reset,
63 	syscon_np = of_parse_phandle(pdev->dev.of_node, name, 0);  in mchp_sparx5_map_syscon()
65 		return -ENODEV;  in mchp_sparx5_map_syscon()
70 		dev_err(&pdev->dev, "No '%s' map: %d\n", name, err);  in mchp_sparx5_map_syscon()
86 		dev_err(&pdev->dev, "Could not map resource %d\n", index);  in mchp_sparx5_map_io()
89 	sparx5_reset_regmap_config.name = res->name;  in mchp_sparx5_map_io()
90 	map = devm_regmap_init_mmio(&pdev->dev, mem, &sparx5_reset_regmap_config);  in mchp_sparx5_map_io()
99 	struct device_node *dn = pdev->dev.of_node;  in mchp_sparx5_reset_probe()
103 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);  in mchp_sparx5_reset_probe()
105 		return -ENOMEM;  in mchp_sparx5_reset_probe()
107 	err = mchp_sparx5_map_syscon(pdev, "cpu-syscon", &ctx->cpu_ctrl);  in mchp_sparx5_reset_probe()
110 	err = mchp_sparx5_map_io(pdev, 0, &ctx->gcb_ctrl);  in mchp_sparx5_reset_probe()
114 	ctx->rcdev.owner = THIS_MODULE;  in mchp_sparx5_reset_probe()
115 	ctx->rcdev.nr_resets = 1;  in mchp_sparx5_reset_probe()
116 	ctx->rcdev.ops = &sparx5_reset_ops;  in mchp_sparx5_reset_probe()
117 	ctx->rcdev.of_node = dn;  in mchp_sparx5_reset_probe()
119 	return devm_reset_controller_register(&pdev->dev, &ctx->rcdev);  in mchp_sparx5_reset_probe()
124 		.compatible = "microchip,sparx5-switch-reset",
132 		.name = "sparx5-switch-reset",
144 MODULE_DESCRIPTION("Microchip Sparx5 switch reset driver");