linux-kernel - [PATCH v2 4/4] dt-bindings: soc: samsung: exynos-sysreg: add clocks for Exynos850

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Date:   Sun, 27 Nov 2022 13:32:59 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Sriranjani P <sriranjani.p@...sung.com>,
        Chanho Park <chanho61.park@...sung.com>,
        Sam Protsenko <semen.protsenko@...aro.org>
Subject: [PATCH v2 4/4] dt-bindings: soc: samsung: exynos-sysreg: add clocks for Exynos850

Exynos850 has dedicated clock for accessing SYSREGs.  Allow it, even
though Linux currently does not enable them and relies on bootloader.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Changes since v1:
1. Make clocks required on Exynos850.
2. Due to above change, do not add Rb tags.

Cc: Sriranjani P <sriranjani.p@...sung.com>
Cc: Chanho Park <chanho61.park@...sung.com>
Cc: Sam Protsenko <semen.protsenko@...aro.org>
---
 .../soc/samsung/samsung,exynos-sysreg.yaml      | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml b/Documentation/devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml
index 42357466005e..9f3fc6406d9d 100644
--- a/Documentation/devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml
+++ b/Documentation/devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml
@@ -36,10 +36,27 @@ properties:
   reg:
     maxItems: 1
 
+  clocks:
+    maxItems: 1
+
 required:
   - compatible
   - reg
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - samsung,exynos850-sysreg
+    then:
+      required:
+        - clocks
+    else:
+      properties:
+        clocks: false
+
 additionalProperties: false
 
 examples:
-- 
2.34.1