hwrng: starfive - Add TRNG driver for StarFive SoC

This adds driver support for the hardware random number generator in
Starfive SoCs and adds StarFive TRNG entry to MAINTAINERS.

Co-developed-by: Jenny Zhang <jenny.zhang@starfivetech.com>
Signed-off-by: Jenny Zhang <jenny.zhang@starfivetech.com>
Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

MAINTAINERS

@@ -19905,6 +19905,12 @@ F:	Documentation/devicetree/bindings/reset/starfive,jh7100-reset.yaml
 F:	drivers/reset/reset-starfive-jh7100.c
 F:	include/dt-bindings/reset/starfive-jh7100.h
 
+STARFIVE TRNG DRIVER
+M:	Jia Jie Ho <jiajie.ho@starfivetech.com>
+S:	Supported
+F:	Documentation/devicetree/bindings/rng/starfive*
+F:	drivers/char/hw_random/starfive-trng.c
+
 STATIC BRANCH/CALL
 M:	Peter Zijlstra <peterz@infradead.org>
 M:	Josh Poimboeuf <jpoimboe@kernel.org>

drivers/char/hw_random/Kconfig

@@ -549,6 +549,17 @@ config HW_RANDOM_CN10K
 	 To compile this driver as a module, choose M here.
 	 The module will be called cn10k_rng. If unsure, say Y.
 
+config HW_RANDOM_JH7110
+	tristate "StarFive JH7110 Random Number Generator support"
+	depends on SOC_STARFIVE
+	depends on HW_RANDOM
+	help
+	  This driver provides support for the True Random Number
+	  Generator in StarFive JH7110 SoCs.
+
+	  To compile this driver as a module, choose M here.
+	  The module will be called jh7110-trng.
+
 endif # HW_RANDOM
 
 config UML_RANDOM

drivers/char/hw_random/Makefile

@@ -47,3 +47,4 @@ obj-$(CONFIG_HW_RANDOM_XIPHERA) += xiphera-trng.o
 obj-$(CONFIG_HW_RANDOM_ARM_SMCCC_TRNG) += arm_smccc_trng.o
 obj-$(CONFIG_HW_RANDOM_CN10K) += cn10k-rng.o
 obj-$(CONFIG_HW_RANDOM_POLARFIRE_SOC) += mpfs-rng.o
+obj-$(CONFIG_HW_RANDOM_JH7110) += jh7110-trng.o