linux-kernel - [PATCH v4 1/3] dt-bindings: hwlock: qcom-hwspinlock: add syscon to MSM8974

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Message-Id: <20220920150414.637634-2-krzysztof.kozlowski@linaro.org>
Date:   Tue, 20 Sep 2022 17:04:12 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v4 1/3] dt-bindings: hwlock: qcom-hwspinlock: add syscon to MSM8974

The TCSR_MUTEX region contains two set of registers: mutex and halt.
Add syscon, so the TCSR mutex device (hwspinlock) can use MMIO based
method and in the same time share regmap with other devices for the halt
regs.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../devicetree/bindings/hwlock/qcom-hwspinlock.yaml         | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
index 1a3adf75934b..ee2726149cf3 100644
--- a/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
+++ b/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
@@ -24,9 +24,13 @@ properties:
               - qcom,apq8084-tcsr-mutex
               - qcom,ipq6018-tcsr-mutex
               - qcom,msm8226-tcsr-mutex
-              - qcom,msm8974-tcsr-mutex
               - qcom,msm8994-tcsr-mutex
           - const: qcom,tcsr-mutex
+      - items:
+          - enum:
+              - qcom,msm8974-tcsr-mutex
+          - const: qcom,tcsr-mutex
+          - const: syscon
 
   reg:
     maxItems: 1
-- 
2.34.1