[PATCH v3 01/15] dt-bindings: hwlock: qcom-hwspinlock: add support for MMIO on older SoCs

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Older Qualcomm SoCs have TCSR mutex registers with 0x80 stride, instead
of 0x1000.  Add dedicated compatibles for such case.  Unfortunately the
binding started using a generic "qcom,tcsr-mutex" compatible without
specifying the SoC part, thus it looks now quite inconsistent.

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

---

If anyone ever says "I want a generic compatible because I am sure all
devices are compatible", that's one more argument they are wrong. :)
---
 .../bindings/hwlock/qcom-hwspinlock.yaml          | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
index 1c7149f7d171..de98b961fb38 100644
--- a/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
+++ b/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
@@ -15,9 +15,18 @@ description:
 
 properties:
   compatible:
-    enum:
-      - qcom,sfpb-mutex
-      - qcom,tcsr-mutex
+    oneOf:
+      - enum:
+          - qcom,sfpb-mutex
+          - qcom,tcsr-mutex
+      - items:
+          - enum:
+              - qcom,apq8084-tcsr-mutex
+              - qcom,ipq6018-tcsr-mutex
+              - qcom,msm8226-tcsr-mutex
+              - qcom,msm8974-tcsr-mutex
+              - qcom,msm8994-tcsr-mutex
+          - const: qcom,tcsr-mutex
 
   reg:
     maxItems: 1
-- 
2.34.1




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