diff mbox series

[V3,1/5] dt-bindings: mailbox: qcom: Add CPUCP mailbox controller bindings

Message ID 20240417132856.1106250-2-quic_sibis@quicinc.com
State Not Applicable
Headers show
Series qcom: x1e80100: Enable CPUFreq | expand

Checks

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Commit Message

Sibi Sankar April 17, 2024, 1:28 p.m. UTC
Add devicetree binding for CPUSS Control Processor (CPUCP) mailbox
controller.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
---

v2:
* Pickup Rb from Dimitry.

 .../bindings/mailbox/qcom,cpucp-mbox.yaml     | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml

Comments

Bjorn Andersson April 17, 2024, 8:43 p.m. UTC | #1
On Wed, Apr 17, 2024 at 06:58:52PM +0530, Sibi Sankar wrote:
> Add devicetree binding for CPUSS Control Processor (CPUCP) mailbox
> controller.
> 
> Reviewed-by: Rob Herring <robh@kernel.org>
> Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
> ---
> 
> v2:
> * Pickup Rb from Dimitry.
> 
>  .../bindings/mailbox/qcom,cpucp-mbox.yaml     | 49 +++++++++++++++++++
>  1 file changed, 49 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml b/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml
> new file mode 100644
> index 000000000000..491b0a05e630
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml
> @@ -0,0 +1,49 @@
> +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mailbox/qcom,cpucp-mbox.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies, Inc. CPUCP Mailbox Controller
> +
> +maintainers:
> +  - Sibi Sankar <quic_sibis@qti.qualcomm.com>

That doesn't look like the correct domain.

Regards,
Bjorn
Sibi Sankar April 18, 2024, 6:27 a.m. UTC | #2
On 4/18/24 02:13, Bjorn Andersson wrote:
> On Wed, Apr 17, 2024 at 06:58:52PM +0530, Sibi Sankar wrote:
>> Add devicetree binding for CPUSS Control Processor (CPUCP) mailbox
>> controller.
>>
>> Reviewed-by: Rob Herring <robh@kernel.org>
>> Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
>> ---
>>
>> v2:
>> * Pickup Rb from Dimitry.
>>
>>   .../bindings/mailbox/qcom,cpucp-mbox.yaml     | 49 +++++++++++++++++++
>>   1 file changed, 49 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml b/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml
>> new file mode 100644
>> index 000000000000..491b0a05e630
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml
>> @@ -0,0 +1,49 @@
>> +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/mailbox/qcom,cpucp-mbox.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm Technologies, Inc. CPUCP Mailbox Controller
>> +
>> +maintainers:
>> +  - Sibi Sankar <quic_sibis@qti.qualcomm.com>
> 
> That doesn't look like the correct domain.

Thanks, I don't know how I even constructed this chimera of an email-id
lol.

-Sibi

> 
> Regards,
> Bjorn
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml b/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml
new file mode 100644
index 000000000000..491b0a05e630
--- /dev/null
+++ b/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml
@@ -0,0 +1,49 @@ 
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mailbox/qcom,cpucp-mbox.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. CPUCP Mailbox Controller
+
+maintainers:
+  - Sibi Sankar <quic_sibis@qti.qualcomm.com>
+
+description:
+  The CPUSS Control Processor (CPUCP) mailbox controller enables communication
+  between AP and CPUCP by acting as a doorbell between them.
+
+properties:
+  compatible:
+    items:
+      - const: qcom,x1e80100-cpucp-mbox
+
+  reg:
+    items:
+      - description: CPUCP rx register region
+      - description: CPUCP tx register region
+
+  interrupts:
+    maxItems: 1
+
+  "#mbox-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - "#mbox-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    mailbox@17430000 {
+        compatible = "qcom,x1e80100-cpucp-mbox";
+        reg = <0x17430000 0x10000>, <0x18830000 0x10000>;
+        interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
+        #mbox-cells = <1>;
+    };