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/Linux-v5.10/drivers/char/hw_random/
Dba431-rng.c47 static inline u32 ba431_trng_read_reg(struct ba431_trng *ba431, u32 reg) in ba431_trng_read_reg() argument
49 return ioread32(ba431->base + reg); in ba431_trng_read_reg()
52 static inline void ba431_trng_write_reg(struct ba431_trng *ba431, u32 reg, in ba431_trng_write_reg() argument
55 iowrite32(val, ba431->base + reg); in ba431_trng_write_reg()
58 static inline enum ba431_state ba431_trng_get_state(struct ba431_trng *ba431) in ba431_trng_get_state() argument
60 u32 status = ba431_trng_read_reg(ba431, BA431_REG_STATUS); in ba431_trng_get_state()
65 static int ba431_trng_is_in_error(struct ba431_trng *ba431) in ba431_trng_is_in_error() argument
67 enum ba431_state state = ba431_trng_get_state(ba431); in ba431_trng_is_in_error()
76 static int ba431_trng_reset(struct ba431_trng *ba431) in ba431_trng_reset() argument
81 ba431_trng_write_reg(ba431, BA431_REG_CTRL, BA431_CTRL_SOFTRESET); in ba431_trng_reset()
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DKconfig78 tristate "Silex Insight BA431 Random Number Generator support"
82 Generator hardware based on Silex Insight BA431 IP.
85 module will be called ba431-rng.
DMakefile12 obj-$(CONFIG_HW_RANDOM_BA431) += ba431-rng.o
/Linux-v5.10/Documentation/devicetree/bindings/rng/
Dsilex-insight,ba431-rng.yaml4 $id: http://devicetree.org/schemas/rng/silex-insight,ba431-rng.yaml#
7 title: Silex Insight BA431 RNG bindings
10 The BA431 hardware random number generator is an IP that is FIPS-140-2/3
18 const: silex-insight,ba431-rng
32 compatible = "silex-insight,ba431-rng";