diff mbox series

[RFC,3/4] dt-bindings: power: reset: Document arm,psci-vendor-reset

Message ID 20230724223057.1208122-4-quic_eberman@quicinc.com
State New
Headers show
Series Implement a PSCI SYSTEM_RESET2 reboot-mode driver | expand

Commit Message

Elliot Berman July 24, 2023, 10:30 p.m. UTC
Add devicetree bindings for using PSCI SYSTEM_RESET2 with vendor reset  types.

Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
---
 .../power/reset/arm,psci-vendor-reset.yaml    | 35 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 36 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power/reset/arm,psci-vendor-reset.yaml

Comments

Rob Herring (Arm) July 24, 2023, 11:23 p.m. UTC | #1
On Mon, Jul 24, 2023 at 03:30:53PM -0700, Elliot Berman wrote:
> Add devicetree bindings for using PSCI SYSTEM_RESET2 with vendor reset  types.
> 
> Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
> ---
>  .../power/reset/arm,psci-vendor-reset.yaml    | 35 +++++++++++++++++++
>  MAINTAINERS                                   |  1 +
>  2 files changed, 36 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/power/reset/arm,psci-vendor-reset.yaml
> 
> diff --git a/Documentation/devicetree/bindings/power/reset/arm,psci-vendor-reset.yaml b/Documentation/devicetree/bindings/power/reset/arm,psci-vendor-reset.yaml
> new file mode 100644
> index 000000000000..18b0b8c167a1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/reset/arm,psci-vendor-reset.yaml
> @@ -0,0 +1,35 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright 2023 Qualcomm Innovation Center, Inc. All Rights Reserved.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/power/reset/arm,psci-vendor-reset.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: PSCI SYSTEM_RESET2 Vendor Resets
> +
> +maintainers:
> +  - Elliot Berman <quic_eberman@quicinc.com>
> +
> +description: |
> +  PSCI SYSTEM_RESET2 supports vendor-defined reset types. This describes
> +  the conversion of reboot modes to the reset types.
> +
> +properties:
> +  compatible:
> +    const: arm,psci-vendor-reset
> +
> +allOf:
> +  - $ref: reboot-mode.yaml#
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    firmware {
> +      psci-vendor-resets {
> +        compatible = "arm,psci-vendor-reset";

We already have a node for PSCI, we don't need a second one. You can 
have a separate driver without a separate node. 

> +        reboot-normal = <0x100>;

Wouldn't 'normal' be the normal PSCI reset?

> +        reboot-bootloader = <0x101>;
> +        reboot-fastboot = <0x102>;
> +      };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index d516295978a4..2da4c5f1917b 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -16982,6 +16982,7 @@ M:	Mark Rutland <mark.rutland@arm.com>
>  M:	Lorenzo Pieralisi <lpieralisi@kernel.org>
>  L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
>  S:	Maintained
> +F:	Documentation/devicetree/bindings/power/reset/arm,psci-vendor-reset.yaml
>  F:	drivers/firmware/psci/
>  F:	include/linux/psci.h
>  F:	include/uapi/linux/psci.h
> -- 
> 2.41.0
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/power/reset/arm,psci-vendor-reset.yaml b/Documentation/devicetree/bindings/power/reset/arm,psci-vendor-reset.yaml
new file mode 100644
index 000000000000..18b0b8c167a1
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/reset/arm,psci-vendor-reset.yaml
@@ -0,0 +1,35 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2023 Qualcomm Innovation Center, Inc. All Rights Reserved.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/reset/arm,psci-vendor-reset.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: PSCI SYSTEM_RESET2 Vendor Resets
+
+maintainers:
+  - Elliot Berman <quic_eberman@quicinc.com>
+
+description: |
+  PSCI SYSTEM_RESET2 supports vendor-defined reset types. This describes
+  the conversion of reboot modes to the reset types.
+
+properties:
+  compatible:
+    const: arm,psci-vendor-reset
+
+allOf:
+  - $ref: reboot-mode.yaml#
+
+additionalProperties: false
+
+examples:
+  - |
+    firmware {
+      psci-vendor-resets {
+        compatible = "arm,psci-vendor-reset";
+        reboot-normal = <0x100>;
+        reboot-bootloader = <0x101>;
+        reboot-fastboot = <0x102>;
+      };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index d516295978a4..2da4c5f1917b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -16982,6 +16982,7 @@  M:	Mark Rutland <mark.rutland@arm.com>
 M:	Lorenzo Pieralisi <lpieralisi@kernel.org>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
+F:	Documentation/devicetree/bindings/power/reset/arm,psci-vendor-reset.yaml
 F:	drivers/firmware/psci/
 F:	include/linux/psci.h
 F:	include/uapi/linux/psci.h