From: Edwin Chiu <edwinchiu0505tw@gmail.com>
To: robh+dt@kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, rafael@kernel.org,
daniel.lezcano@linaro.org, linux-pm@vger.kernel.org
Cc: Edwin Chiu <edwinchiu0505tw@gmail.com>
Subject: [PATCH v3 1/2] dt-bingings:arm:sunplus:add sp7021 compatible string to sunplus,idle-state.yaml
Date: Thu, 6 Jan 2022 10:00:07 +0800 [thread overview]
Message-ID: <317c55864546698b02c39b16b082812c2ac9400c.1641432983.git.edwinchiu0505tw@gmail.com> (raw)
In-Reply-To: <cover.1641432983.git.edwinchiu0505tw@gmail.com>
In-Reply-To: <cover.1641432983.git.edwinchiu0505tw@gmail.com>
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>;
+ };
+ };
+
+...
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>
--
2.7.4
next prev parent reply other threads:[~2022-01-06 2:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-06 2:00 [PATCH v3 0/2] Add cpuidle driver for Sunplus SP7021 Edwin Chiu
2022-01-06 2:00 ` Edwin Chiu [this message]
2022-01-12 1:39 ` [PATCH v3 1/2] dt-bingings:arm:sunplus:add sp7021 compatible string to sunplus,idle-state.yaml Rob Herring
2022-01-06 2:00 ` [PATCH v3 2/2] cpuidle:sunplus:create cpuidle driver for sunplus sp7021 Edwin Chiu
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