dt-bindings: serial: samsung: add exynos7870-uart compatible

Document the compatible string for Exynos7870's UART driver. The
devicetree property samsung,uart-fifosize must be mandatory, as the
driver enquires about the FIFO sizes. This feature makes it compatible
with Exynos8895's UART.

Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250219-exynos7870-uart-v2-1-c8c67f3a936c@disroot.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
index 070eba9f19d3e039090c58a82f93d02eed58ab84..83d9986d8e98a2a55615d15383c9c7fc89f5b52f 100644 (file)
--- a/Documentation/devicetree/bindings/serial/samsung_uart.yaml
+++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
@@ -42,6 +42,10 @@ properties:
               - samsung,exynosautov9-uart
               - samsung,exynosautov920-uart
           - const: samsung,exynos850-uart
+      - items:
+          - enum:
+              - samsung,exynos7870-uart
+          - const: samsung,exynos8895-uart
 
   reg:
     maxItems: 1