[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20200513005441.1102586-2-bjorn.andersson@linaro.org>
Date: Tue, 12 May 2020 17:54:38 -0700
From: Bjorn Andersson <bjorn.andersson@...aro.org>
To: Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Ohad Ben-Cohen <ohad@...ery.com>,
Baolin Wang <baolin.wang7@...il.com>,
Rob Herring <robh+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/4] dt-bindings: hwlock: qcom: Migrate binding to YAML
Migrate the Qualcomm TCSR mutex binding to YAML to allow validation.
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
.../bindings/hwlock/qcom-hwspinlock.yaml | 51 +++++++++++++++++++
1 file changed, 51 insertions(+)
create mode 100644 Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
diff --git a/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
new file mode 100644
index 000000000000..71e63b52edd5
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwlock/qcom-hwspinlock.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Hardware Mutex Block
+
+maintainers:
+ - Bjorn Andersson <bjorn.andersson@...aro.org>
+
+description:
+ The hardware block provides mutexes utilized between different processors on
+ the SoC as part of the communication protocol used by these processors.
+
+properties:
+ compatible:
+ enum:
+ - qcom,sfpb-mutex
+ - qcom,tcsr-mutex
+
+ '#hwlock-cells':
+ const: 1
+
+ syscon:
+ $ref: "/schemas/types.yaml#/definitions/phandle-array"
+ description:
+ Should be a triple of phandle referencing the TCSR mutex syscon, offset
+ of first mutex within the syscon and stride between each mutex.
+
+required:
+ - compatible
+ - '#hwlock-cells'
+ - syscon
+
+additionalProperties: false
+
+examples:
+ - |
+ tcsr_mutex_block: syscon@...84000 {
+ compatible = "syscon";
+ reg = <0xfd484000 0x2000>;
+ };
+
+ hwlock {
+ compatible = "qcom,tcsr-mutex";
+ syscon = <&tcsr_mutex_block 0 0x80>;
+
+ #hwlock-cells = <1>;
+ };
+...
--
2.26.2
Powered by blists - more mailing lists