Lines Matching +full:st +full:- +full:microelectronics

1 // SPDX-License-Identifier: GPL-2.0-only
3  * ST Random Number Generator Driver ST's Platforms
5  * Author: Pankaj Dev: <pankaj.dev@st.com>
50 	struct st_rng_data *ddata = (struct st_rng_data *)rng->priv;  in st_rng_read()
54 	/* Wait until FIFO is full - max 4uS*/  in st_rng_read()
56 		status = readl_relaxed(ddata->base + ST_RNG_STATUS_REG);  in st_rng_read()
67 			readl_relaxed(ddata->base + ST_RNG_DATA_REG);  in st_rng_read()
79 	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);  in st_rng_probe()
81 		return -ENOMEM;  in st_rng_probe()
87 	clk = devm_clk_get_enabled(&pdev->dev, NULL);  in st_rng_probe()
91 	ddata->ops.priv	= (unsigned long)ddata;  in st_rng_probe()
92 	ddata->ops.read	= st_rng_read;  in st_rng_probe()
93 	ddata->ops.name	= pdev->name;  in st_rng_probe()
94 	ddata->base	= base;  in st_rng_probe()
96 	ret = devm_hwrng_register(&pdev->dev, &ddata->ops);  in st_rng_probe()
98 		dev_err(&pdev->dev, "Failed to register HW RNG\n");  in st_rng_probe()
102 	dev_info(&pdev->dev, "Successfully registered HW RNG\n");  in st_rng_probe()
108 	{ .compatible = "st,rng" },
115 		.name = "st-hwrandom",
123 MODULE_AUTHOR("Pankaj Dev <pankaj.dev@st.com>");
124 MODULE_DESCRIPTION("ST Microelectronics HW Random Number Generator");