drivers/misc/rockchip-efuse.c

1 // SPDX-License-Identifier: GPL-2.0+
6  * Written by Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
15 #include <linux/delay.h>
37 		       /* 0x14	efuse strobe finish control register */
52 	 *       be read.  in dump_efuses()
63 		printf("%s: no misc-device found\n", __func__);  in dump_efuses()
73 	printf("efuse-contents:\n");  in dump_efuses()
91 		(struct rockchip_efuse_regs *)plat->base;  in rockchip_rk3399_efuse_read()
108 	       &efuse->ctrl);  in rockchip_rk3399_efuse_read()
111 		setbits_le32(&efuse->ctrl,  in rockchip_rk3399_efuse_read()
114 		out_value = readl(&efuse->dout);  in rockchip_rk3399_efuse_read()
115 		clrbits_le32(&efuse->ctrl, RK3399_STROBE);  in rockchip_rk3399_efuse_read()
123 	writel(RK3399_PD | RK3399_CSB, &efuse->ctrl);  in rockchip_rk3399_efuse_read()
137 	.read = rockchip_efuse_read,
144 	plat->base = dev_read_addr_ptr(dev);  in rockchip_efuse_ofdata_to_platdata()
149 	{ .compatible = "rockchip,rk3399-efuse" },