linux-kernel - [PATCH 1/2] dt-bindings: watchdog: Modify tesla fsd bindings

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Message-ID: <20250829135643.105406-2-v.pavani@samsung.com>
Date: Fri, 29 Aug 2025 19:26:42 +0530
From: Varada Pavani <v.pavani@...sung.com>
To: krzk@...nel.org, s.nawrocki@...sung.com, cw00.choi@...sung.com,
	alim.akhtar@...sung.com, mturquette@...libre.com, sboyd@...nel.org,
	linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc: aswani.reddy@...sung.com, gost.dev@...sung.com, Varada Pavani
	<v.pavani@...sung.com>
Subject: [PATCH 1/2] dt-bindings: watchdog: Modify tesla fsd bindings

FSD SoC WDT is using Samsung legacy WDT driver with
"samsung,exynos7-wdt" compatibility. Now change the compatibility due to
few driver changes (PMU bit changes for each WDT instance and Clocks)
for WDT found in FSD SoC.

Signed-off-by: Varada Pavani <v.pavani@...sung.com>
---
 .../devicetree/bindings/watchdog/samsung-wdt.yaml        | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml b/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml
index d175ae968336..db2009654fe4 100644
--- a/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml
@@ -27,10 +27,7 @@ properties:
           - samsung,exynos850-wdt                 # for Exynos850
           - samsung,exynosautov9-wdt              # for Exynosautov9
           - samsung,exynosautov920-wdt            # for Exynosautov920
-      - items:
-          - enum:
-              - tesla,fsd-wdt
-          - const: samsung,exynos7-wdt
+          - tesla,fsd-wdt
 
   reg:
     maxItems: 1
@@ -79,6 +76,7 @@ allOf:
               - samsung,exynos850-wdt
               - samsung,exynosautov9-wdt
               - samsung,exynosautov920-wdt
+              - tesla,fsd-wdt
     then:
       required:
         - samsung,syscon-phandle
@@ -91,6 +89,7 @@ allOf:
               - samsung,exynos850-wdt
               - samsung,exynosautov9-wdt
               - samsung,exynosautov920-wdt
+              - tesla,fsd-wdt
     then:
       properties:
         clocks:
@@ -102,7 +101,7 @@ allOf:
             - const: watchdog
             - const: watchdog_src
         samsung,cluster-index:
-          enum: [0, 1]
+          enum: [0, 1, 2]
       required:
         - samsung,cluster-index
     else:
-- 
2.49.0