Lines Matching +full:sparx5 +full:- +full:cpu +full:- +full:syscon

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
9 #include <linux/mfd/syscon.h>
15 #include <linux/reset-controller.h>
42 	regmap_update_bits(ctx->cpu_ctrl, ctx->props->protect_reg,  in sparx5_switch_reset()
43 			   ctx->props->protect_bit, ctx->props->protect_bit);  in sparx5_switch_reset()
46 	regmap_write(ctx->gcb_ctrl, ctx->props->reset_reg,  in sparx5_switch_reset()
47 		     ctx->props->reset_bit);  in sparx5_switch_reset()
50 	return regmap_read_poll_timeout(ctx->gcb_ctrl, ctx->props->reset_reg, val,  in sparx5_switch_reset()
51 					(val & ctx->props->reset_bit) == 0,  in sparx5_switch_reset()
72 	syscon_np = of_parse_phandle(pdev->dev.of_node, name, 0);  in mchp_sparx5_map_syscon()
74 		return -ENODEV;  in mchp_sparx5_map_syscon()
79 		dev_err(&pdev->dev, "No '%s' map: %d\n", name, err);  in mchp_sparx5_map_syscon()
95 		dev_err(&pdev->dev, "Could not map resource %d\n", index);  in mchp_sparx5_map_io()
98 	sparx5_reset_regmap_config.name = res->name;  in mchp_sparx5_map_io()
99 	map = devm_regmap_init_mmio(&pdev->dev, mem, &sparx5_reset_regmap_config);  in mchp_sparx5_map_io()
108 	struct device_node *dn = pdev->dev.of_node;  in mchp_sparx5_reset_probe()
112 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);  in mchp_sparx5_reset_probe()
114 		return -ENOMEM;  in mchp_sparx5_reset_probe()
116 	err = mchp_sparx5_map_syscon(pdev, "cpu-syscon", &ctx->cpu_ctrl);  in mchp_sparx5_reset_probe()
119 	err = mchp_sparx5_map_io(pdev, 0, &ctx->gcb_ctrl);  in mchp_sparx5_reset_probe()
123 	ctx->rcdev.owner = THIS_MODULE;  in mchp_sparx5_reset_probe()
124 	ctx->rcdev.nr_resets = 1;  in mchp_sparx5_reset_probe()
125 	ctx->rcdev.ops = &sparx5_reset_ops;  in mchp_sparx5_reset_probe()
126 	ctx->rcdev.of_node = dn;  in mchp_sparx5_reset_probe()
127 	ctx->props = device_get_match_data(&pdev->dev);  in mchp_sparx5_reset_probe()
134 	return devm_reset_controller_register(&pdev->dev, &ctx->rcdev);  in mchp_sparx5_reset_probe()
153 		.compatible = "microchip,sparx5-switch-reset",
156 		.compatible = "microchip,lan966x-switch-reset",
165 		.name = "sparx5-switch-reset",
181 MODULE_DESCRIPTION("Microchip Sparx5 switch reset driver");