The TI Nspire devices contain a set of registers with a seemingly
miscellaneous set of functionality. This area is known simply as the
"misc" region. As "syscon" nodes like this still need a specific
compatible, document "ti,nspire-misc" here.

Signed-off-by: Andrew Davis <afd@ti.com>
---
 Documentation/devicetree/bindings/mfd/syscon.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index 4e4baf53796d..37a00532ea79 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -69,6 +69,7 @@ properties:
               - samsung,exynos5433-sysreg
               - samsung,exynos850-sysreg
               - samsung,exynosautov9-sysreg
+              - ti,nspire-misc
 
           - const: syscon
 
-- 
2.37.3

On 27/10/2022 14:13, Andrew Davis wrote:
> The TI Nspire devices contain a set of registers with a seemingly
> miscellaneous set of functionality. This area is known simply as the
> "misc" region. As "syscon" nodes like this still need a specific
> compatible, document "ti,nspire-misc" here.
> 
> Signed-off-by: Andrew Davis <afd@ti.com>
> ---
>  Documentation/devicetree/bindings/mfd/syscon.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
> index 4e4baf53796d..37a00532ea79 100644
> --- a/Documentation/devicetree/bindings/mfd/syscon.yaml
> +++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
> @@ -69,6 +69,7 @@ properties:
>                - samsung,exynos5433-sysreg
>                - samsung,exynos850-sysreg
>                - samsung,exynosautov9-sysreg
> +              - ti,nspire-misc

This is not what your DTS is saying...

Best regards,
Krzysztof