power/reset/brcmstb-reboot.c

1 // SPDX-License-Identifier: GPL-2.0-only
16 #include <linux/reboot.h>
19 #include <linux/mfd/syscon.h>
36 				   unsigned long mode, void *cmd)  in brcmstb_restart_handler()  argument
41 	rc = regmap_write(regmap, rst_src_en, reset_masks->rst_src_en_mask);  in brcmstb_restart_handler()
53 	rc = regmap_write(regmap, sw_mstr_rst, reset_masks->sw_mstr_rst_mask);  in brcmstb_restart_handler()
87 	{ .compatible = "brcm,brcmstb-reboot", .data = &reset_bits_40nm },
88 	{ .compatible = "brcm,bcm7038-reboot", .data = &reset_bits_65nm },
95 	struct device_node *np = pdev->dev.of_node;  in brcmstb_reboot_probe()
101 		return -EINVAL;  in brcmstb_reboot_probe()
103 	reset_masks = of_id->data;  in brcmstb_reboot_probe()
105 	regmap = syscon_regmap_lookup_by_phandle(np, "syscon");  in brcmstb_reboot_probe()
107 		pr_err("failed to get syscon phandle\n");  in brcmstb_reboot_probe()
108 		return -EINVAL;  in brcmstb_reboot_probe()
111 	rc = of_property_read_u32_index(np, "syscon", RESET_SOURCE_ENABLE_REG,  in brcmstb_reboot_probe()
115 		return -EINVAL;  in brcmstb_reboot_probe()
118 	rc = of_property_read_u32_index(np, "syscon", SW_MASTER_RESET_REG,  in brcmstb_reboot_probe()
122 		return -EINVAL;  in brcmstb_reboot_probe()
127 		dev_err(&pdev->dev,  in brcmstb_reboot_probe()
136 		.name = "brcmstb-reboot",