3  * rockchip-rng.c True Random Number Generator driver for Rockchip SoCs
98 	      "You raised RK_RNG_MAX_BYTE and broke rk3588-rng, congrats.");
101 	struct hwrng rng;  member
110 	int (*rk_rng_init)(struct hwrng *rng);
111 	int (*rk_rng_read)(struct hwrng *rng, void *buf, size_t max, bool wait);
112 	void (*rk_rng_cleanup)(struct hwrng *rng);
118 static void rk_rng_write_ctl(struct rk_rng *rng, u32 val, u32 mask)  in rk_rng_write_ctl()  argument
120 	writel((mask << 16) | val, rng->base + TRNG_RNG_CTL);  in rk_rng_write_ctl()
123 static inline void rk_rng_writel(struct rk_rng *rng, u32 val, u32 offset)  in rk_rng_writel()  argument
125 	writel(val, rng->base + offset);  in rk_rng_writel()
128 static inline u32 rk_rng_readl(struct rk_rng *rng, u32 offset)  in rk_rng_readl()  argument
130 	return readl(rng->base + offset);  in rk_rng_readl()
146 static int rk3568_rng_init(struct hwrng *rng)  in rk3568_rng_init()  argument
148 	struct rk_rng *rk_rng = container_of(rng, struct rk_rng, rng);  in rk3568_rng_init()
167 static void rk3568_rng_cleanup(struct hwrng *rng)  in rk3568_rng_cleanup()  argument
169 	struct rk_rng *rk_rng = container_of(rng, struct rk_rng, rng);  in rk3568_rng_cleanup()
178 static int rk3568_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)  in rk3568_rng_read()  argument
180 	struct rk_rng *rk_rng = container_of(rng, struct rk_rng, rng);  in rk3568_rng_read()
208 static int rk3588_rng_init(struct hwrng *rng)  in rk3588_rng_init()  argument
210 	struct rk_rng *rk_rng = container_of(rng, struct rk_rng, rng);  in rk3588_rng_init()
253 static void rk3588_rng_cleanup(struct hwrng *rng)  in rk3588_rng_cleanup()  argument
255 	struct rk_rng *rk_rng = container_of(rng, struct rk_rng, rng);  in rk3588_rng_cleanup()
260 static int rk3588_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)  in rk3588_rng_read()  argument
262 	struct rk_rng *rk_rng = container_of(rng, struct rk_rng, rng);  in rk3588_rng_read()
353 	rk_rng->rng.name = dev_driver_string(dev);  in rk_rng_probe()
355 		rk_rng->rng.init = rk_rng->soc_data->rk_rng_init;  in rk_rng_probe()
356 		rk_rng->rng.cleanup = rk_rng->soc_data->rk_rng_cleanup;  in rk_rng_probe()
358 	rk_rng->rng.read = rk_rng->soc_data->rk_rng_read;  in rk_rng_probe()
360 	rk_rng->rng.quality = rk_rng->soc_data->quality;  in rk_rng_probe()
368 	ret = devm_hwrng_register(dev, &rk_rng->rng);  in rk_rng_probe()
379 	rk_rng->soc_data->rk_rng_cleanup(&rk_rng->rng);  in rk_rng_runtime_suspend()
388 	return rk_rng->soc_data->rk_rng_init(&rk_rng->rng);  in rk_rng_runtime_resume()
399 	{ .compatible = "rockchip,rk3568-rng", .data = (void *)&rk3568_soc_data },
400 	{ .compatible = "rockchip,rk3588-rng", .data = (void *)&rk3588_soc_data },
408 		.name	= "rockchip-rng",