diff mbox series

[v1,1/3] dt-bindings: remoteproc: Add Renesas R-Car

Message ID 20211115135032.129227-2-julien.massot@iot.bzh (mailing list archive)
State Superseded
Headers show
Series Initial Renesas R-Car remoteproc support | expand

Commit Message

Julien Massot Nov. 15, 2021, 1:50 p.m. UTC
Renesas R-Car SoCs may contains a Realtime processor.
This patch adds binding for this remote processor.

Signed-off-by: Julien Massot <julien.massot@iot.bzh>
---
Change since RFC:
Adds missing address-cells and size-cells and change reg cell
accordingly.
---
 .../remoteproc/renesas,rcar-rproc.yaml        | 66 +++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml

Comments

Rob Herring Nov. 29, 2021, 10:01 p.m. UTC | #1
On Mon, Nov 15, 2021 at 02:50:30PM +0100, Julien Massot wrote:
> Renesas R-Car SoCs may contains a Realtime processor.
> This patch adds binding for this remote processor.
> 
> Signed-off-by: Julien Massot <julien.massot@iot.bzh>
> ---
> Change since RFC:
> Adds missing address-cells and size-cells and change reg cell
> accordingly.
> ---
>  .../remoteproc/renesas,rcar-rproc.yaml        | 66 +++++++++++++++++++
>  1 file changed, 66 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml
> new file mode 100644
> index 000000000000..dcb6b0f75dda
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml
> @@ -0,0 +1,66 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/remoteproc/renesas,rcar-rproc.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Renesas R-Car remote processor controller bindings
> +
> +maintainers:
> +  - Julien Massot <julien.massot@iot.bzh>
> +
> +description: |
> +  This document defines the binding for the remoteproc component that loads and
> +  boots firmwares on the Renesas R-Car family chipset.
> +  R-Car gen3 family may have a realtime processor, this processor share peripheral
> +  and RAM with the host processor with the same address map.
> +
> +properties:
> +  compatible:
> +    const: renesas,rcar-cr7
> +
> +  resets:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  memory-region:
> +    description:
> +      List of phandles to the reserved memory regions associated with the
> +      remoteproc device. This is variable and describes the memories shared with
> +      the remote processor (e.g. remoteproc firmware and carveouts, rpmsg
> +      vrings, ...).
> +      (see ../reserved-memory/reserved-memory.yaml)
> +
> +required:
> +  - compatible
> +  - resets
> +  - memory-region
> +  - power-domains
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
> +    #include <dt-bindings/power/r8a7795-sysc.h>
> +    reserved-memory {
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +
> +        cr7_ram: cr7_ram@40040000 {
> +            no-map;
> +            reg = <0x0 0x40040000 0x0 0x1fc0000>;
> +        };
> +    };
> +
> +    cr7_rproc: cr7 {
> +        compatible = "renesas,rcar-cr7";
> +        memory-region = <&cr7_ram>;
> +        power-domains = <&sysc R8A7795_PD_CR7>;
> +        resets = <&cpg 222>;
> +        status = "okay";

Don't show status in examples.

With that,

Reviewed-by: Rob Herring <robh@kernel.org>
Julien Massot Nov. 30, 2021, 8:51 a.m. UTC | #2
Hi Rob,

On 11/29/21 23:01, Rob Herring wrote:
> On Mon, Nov 15, 2021 at 02:50:30PM +0100, Julien Massot wrote:
>> Renesas R-Car SoCs may contains a Realtime processor.
>> This patch adds binding for this remote processor.
>>
>> Signed-off-by: Julien Massot <julien.massot@iot.bzh>
>> ---
>> Change since RFC:
>> Adds missing address-cells and size-cells and change reg cell
>> accordingly.
>> ---
>>   .../remoteproc/renesas,rcar-rproc.yaml        | 66 +++++++++++++++++++
>>   1 file changed, 66 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml
>> new file mode 100644
>> index 000000000000..dcb6b0f75dda
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml
>> @@ -0,0 +1,66 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: "http://devicetree.org/schemas/remoteproc/renesas,rcar-rproc.yaml#"
>> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
>> +
>> +title: Renesas R-Car remote processor controller bindings
>> +
>> +maintainers:
>> +  - Julien Massot <julien.massot@iot.bzh>
>> +
>> +description: |
>> +  This document defines the binding for the remoteproc component that loads and
>> +  boots firmwares on the Renesas R-Car family chipset.
>> +  R-Car gen3 family may have a realtime processor, this processor share peripheral
>> +  and RAM with the host processor with the same address map.
>> +
>> +properties:
>> +  compatible:
>> +    const: renesas,rcar-cr7
>> +
>> +  resets:
>> +    maxItems: 1
>> +
>> +  power-domains:
>> +    maxItems: 1
>> +
>> +  memory-region:
>> +    description:
>> +      List of phandles to the reserved memory regions associated with the
>> +      remoteproc device. This is variable and describes the memories shared with
>> +      the remote processor (e.g. remoteproc firmware and carveouts, rpmsg
>> +      vrings, ...).
>> +      (see ../reserved-memory/reserved-memory.yaml)
>> +
>> +required:
>> +  - compatible
>> +  - resets
>> +  - memory-region
>> +  - power-domains
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
>> +    #include <dt-bindings/power/r8a7795-sysc.h>
>> +    reserved-memory {
>> +        #address-cells = <2>;
>> +        #size-cells = <2>;
>> +
>> +        cr7_ram: cr7_ram@40040000 {
>> +            no-map;
>> +            reg = <0x0 0x40040000 0x0 0x1fc0000>;
>> +        };
>> +    };
>> +
>> +    cr7_rproc: cr7 {
>> +        compatible = "renesas,rcar-cr7";
>> +        memory-region = <&cr7_ram>;
>> +        power-domains = <&sysc R8A7795_PD_CR7>;
>> +        resets = <&cpg 222>;
>> +        status = "okay";
> 
> Don't show status in examples.
> 
> With that,
> 
> Reviewed-by: Rob Herring <robh@kernel.org>
> 
Thanks,
Will remove the status, and add your Reviewed-by tag in the v2.

Regards,
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml
new file mode 100644
index 000000000000..dcb6b0f75dda
--- /dev/null
+++ b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml
@@ -0,0 +1,66 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/remoteproc/renesas,rcar-rproc.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Renesas R-Car remote processor controller bindings
+
+maintainers:
+  - Julien Massot <julien.massot@iot.bzh>
+
+description: |
+  This document defines the binding for the remoteproc component that loads and
+  boots firmwares on the Renesas R-Car family chipset.
+  R-Car gen3 family may have a realtime processor, this processor share peripheral
+  and RAM with the host processor with the same address map.
+
+properties:
+  compatible:
+    const: renesas,rcar-cr7
+
+  resets:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+  memory-region:
+    description:
+      List of phandles to the reserved memory regions associated with the
+      remoteproc device. This is variable and describes the memories shared with
+      the remote processor (e.g. remoteproc firmware and carveouts, rpmsg
+      vrings, ...).
+      (see ../reserved-memory/reserved-memory.yaml)
+
+required:
+  - compatible
+  - resets
+  - memory-region
+  - power-domains
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
+    #include <dt-bindings/power/r8a7795-sysc.h>
+    reserved-memory {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        cr7_ram: cr7_ram@40040000 {
+            no-map;
+            reg = <0x0 0x40040000 0x0 0x1fc0000>;
+        };
+    };
+
+    cr7_rproc: cr7 {
+        compatible = "renesas,rcar-cr7";
+        memory-region = <&cr7_ram>;
+        power-domains = <&sysc R8A7795_PD_CR7>;
+        resets = <&cpg 222>;
+        status = "okay";
+    };
+
+...