diff mbox series

[v3,1/2] dt-bingings:arm:sunplus:add sp7021 compatible string to sunplus,idle-state.yaml

Message ID 317c55864546698b02c39b16b082812c2ac9400c.1641432983.git.edwinchiu0505tw@gmail.com (mailing list archive)
State Superseded, archived
Delegated to: Daniel Lezcano
Headers show
Series Add cpuidle driver for Sunplus SP7021 | expand

Commit Message

Edwin Chiu Jan. 6, 2022, 2 a.m. UTC
Add the compatible string for cpuidle state on sp7021

Signed-off-by: Edwin Chiu <edwinchiu0505tw@gmail.com>
---
Changes in v3
 - Align email address of sob and sender
 - Added sp7021 compatible string

 .../bindings/arm/sunplus/sunplus,idle-state.yaml   | 59 ++++++++++++++++++++++
 MAINTAINERS                                        |  5 ++
 2 files changed, 64 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/sunplus/sunplus,idle-state.yaml

Comments

Rob Herring (Arm) Jan. 12, 2022, 1:39 a.m. UTC | #1
On Thu, Jan 06, 2022 at 10:00:07AM +0800, Edwin Chiu wrote:
> Add the compatible string for cpuidle state on sp7021
> 
> Signed-off-by: Edwin Chiu <edwinchiu0505tw@gmail.com>
> ---
> Changes in v3
>  - Align email address of sob and sender
>  - Added sp7021 compatible string
> 
>  .../bindings/arm/sunplus/sunplus,idle-state.yaml   | 59 ++++++++++++++++++++++
>  MAINTAINERS                                        |  5 ++
>  2 files changed, 64 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/sunplus/sunplus,idle-state.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/sunplus/sunplus,idle-state.yaml b/Documentation/devicetree/bindings/arm/sunplus/sunplus,idle-state.yaml
> new file mode 100644
> index 0000000..64281ba
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/sunplus/sunplus,idle-state.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (C) Sunplus Co., Ltd. 2021
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/sunplus/sunplus,idle-state.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sunplus SOC cpuidle state
> +
> +maintainers:
> +  - Edwin Chiu<edwinchiu0505tw@gmail.com>
> +
> +description: |
> +  Sunplus SOC cpuidle state
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - enum:
> +              - sunplus,sp7021-idle-state
> +
> +  entry-latency-us:
> +    description:
> +      Worst case latency in microseconds required to enter the idle state.
> +
> +  exit-latency-us:
> +    description:
> +      Worst case latency in microseconds required to exit the idle state.
> +      The exit-latency-us duration may be guaranteed only after
> +      entry-latency-us has passed.
> +
> +  min-residency-us:
> +    description:
> +      Minimum residency duration in microseconds, inclusive of preparation
> +      and entry, for this idle state to be considered worthwhile energy wise
> +      (refer to section 2 of this document for a complete description).
> +
> +required:
> +  - compatible
> +  - entry-latency-us
> +  - exit-latency-us
> +  - min-residency-us
> +
> +additionalProperties: true
> +
> +examples:
> +  - |
> +
> +    idle-state {
> +      CPU_IDLE: cpu_idle {
> +        compatible = "sunplus,sp7021-idle-state";
> +        entry-latency-us = <8000>;
> +        exit-latency-us = <700>;
> +        min-residency-us = <9000>;
> +      };
> +    };

Again, this is no different than the generic binding. There is no need 
for this binding. Just wanting a different driver is not a reason for a 
duplicate schema.

Rob
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/arm/sunplus/sunplus,idle-state.yaml b/Documentation/devicetree/bindings/arm/sunplus/sunplus,idle-state.yaml
new file mode 100644
index 0000000..64281ba
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/sunplus/sunplus,idle-state.yaml
@@ -0,0 +1,59 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) Sunplus Co., Ltd. 2021
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/sunplus/sunplus,idle-state.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sunplus SOC cpuidle state
+
+maintainers:
+  - Edwin Chiu<edwinchiu0505tw@gmail.com>
+
+description: |
+  Sunplus SOC cpuidle state
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - sunplus,sp7021-idle-state
+
+  entry-latency-us:
+    description:
+      Worst case latency in microseconds required to enter the idle state.
+
+  exit-latency-us:
+    description:
+      Worst case latency in microseconds required to exit the idle state.
+      The exit-latency-us duration may be guaranteed only after
+      entry-latency-us has passed.
+
+  min-residency-us:
+    description:
+      Minimum residency duration in microseconds, inclusive of preparation
+      and entry, for this idle state to be considered worthwhile energy wise
+      (refer to section 2 of this document for a complete description).
+
+required:
+  - compatible
+  - entry-latency-us
+  - exit-latency-us
+  - min-residency-us
+
+additionalProperties: true
+
+examples:
+  - |
+
+    idle-state {
+      CPU_IDLE: cpu_idle {
+        compatible = "sunplus,sp7021-idle-state";
+        entry-latency-us = <8000>;
+        exit-latency-us = <700>;
+        min-residency-us = <9000>;
+      };
+    };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index e0dca8f..22cfafe 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18252,6 +18252,11 @@  L:	netdev@vger.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/dlink/sundance.c
 
+SUNPLUS CPUIDLE DRIVER
+M:	Edwin Chiu <edwinchiu0505tw@gmail.com>
+S:	Maintained
+F:	Documentation/devicetree/bindings/arm/sunplus/sunplus,idle-state.yaml
+
 SUPERH
 M:	Yoshinori Sato <ysato@users.sourceforge.jp>
 M:	Rich Felker <dalias@libc.org>