Merge tag 'samsung-drivers-6.14' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into soc/drivers

Samsung SoC drivers for v6.14

1. Add new bindings for sysreg in Exynos8895.
2. Minor improvements in Exynos USI bindings.
3. Fix for Smatch warning in Exynos PMU syscon driver.

* tag 'samsung-drivers-6.14' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: exynos-pmu: Fix uninitialized ret in tensor_set_bits_atomic()
  dt-bindings: soc: samsung: exynos-sysreg: add sysreg compatibles for exynos8895
  dt-bindings: samsung: exynos-usi: Restrict possible samsung,mode values

Link: https://lore.kernel.org/r/20250112180846.64154-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: arndb

Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml

@@ -64,6 +64,7 @@ properties:
 
   samsung,mode:
     $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0, 1, 2, 3]
     description:
       Selects USI function (which serial protocol to use). Refer to
       <include/dt-bindings/soc/samsung,exynos-usi.h> for valid USI mode values.

Documentation/devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml

@@ -21,6 +21,10 @@ properties:
               - samsung,exynos3-sysreg
               - samsung,exynos4-sysreg
               - samsung,exynos5-sysreg
+              - samsung,exynos8895-fsys0-sysreg
+              - samsung,exynos8895-fsys1-sysreg
+              - samsung,exynos8895-peric0-sysreg
+              - samsung,exynos8895-peric1-sysreg
               - samsung,exynosautov920-peric0-sysreg
               - samsung,exynosautov920-peric1-sysreg
               - tesla,fsd-cam-sysreg
@@ -79,6 +83,10 @@ allOf:
               - samsung,exynos850-cmgp-sysreg
               - samsung,exynos850-peri-sysreg
               - samsung,exynos850-sysreg
+              - samsung,exynos8895-fsys0-sysreg
+              - samsung,exynos8895-fsys1-sysreg
+              - samsung,exynos8895-peric0-sysreg
+              - samsung,exynos8895-peric1-sysreg
     then:
       required:
         - clocks

drivers/soc/samsung/exynos-pmu.c

@@ -126,7 +126,7 @@ static int tensor_set_bits_atomic(void *ctx, unsigned int offset, u32 val,
 		if (ret)
 			return ret;
 	}
-	return ret;
+	return 0;
 }
 
 static bool tensor_is_atomic(unsigned int reg)