All of lore.kernel.org
 help / color / mirror / Atom feed
From: Stefan Wahren <stefan.wahren@i2se.com>
To: Jean Delvare <jdelvare@suse.com>,
	Guenter Roeck <linux@roeck-us.net>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>
Cc: Eric Anholt <eric@anholt.net>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Phil Elwell <phil@raspberrypi.org>,
	bcm-kernel-feedback-list@broadcom.com,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-rpi-kernel@lists.infradead.org,
	linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org,
	Serge Schneider <serge@raspberrypi.org>,
	Stefan Wahren <stefan.wahren@i2se.com>
Subject: [PATCH RFC 1/2] dt-bindings: hwmon: Add RPi PoE HAT documentation
Date: Sun,  2 Sep 2018 13:20:50 +0200	[thread overview]
Message-ID: <1535887251-29515-2-git-send-email-stefan.wahren@i2se.com> (raw)
In-Reply-To: <1535887251-29515-1-git-send-email-stefan.wahren@i2se.com>

From: Serge Schneider <serge@raspberrypi.org>

This patch adds the binding for the fan on the Raspberry Pi Power over
Ethernet HAT.

Signed-off-by: Serge Schneider <serge@raspberrypi.org>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
---
 .../devicetree/bindings/hwmon/rpi-poe-fan.txt      | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/rpi-poe-fan.txt

diff --git a/Documentation/devicetree/bindings/hwmon/rpi-poe-fan.txt b/Documentation/devicetree/bindings/hwmon/rpi-poe-fan.txt
new file mode 100644
index 0000000..c71f856
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/rpi-poe-fan.txt
@@ -0,0 +1,55 @@
+Bindings for the Raspberry Pi PoE HAT fan
+
+Required properties:
+- compatible	: "raspberrypi,rpi-poe-fan"
+- firmware	: Reference to the RPi firmware device node
+- pwms		: the PWM that is used to control the PWM fan
+- cooling-levels      : PWM duty cycle values in a range from 0 to 255
+			which correspond to thermal cooling states
+
+Example:
+	fan0: rpi-poe-fan@0 {
+		compatible = "raspberrypi,rpi-poe-fan";
+		firmware = <&firmware>;
+		cooling-min-state = <0>;
+		cooling-max-state = <3>;
+		#cooling-cells = <2>;
+		cooling-levels = <0 50 150 255>;
+		status = "okay";
+	};
+
+	thermal-zones {
+		cpu_thermal: cpu-thermal {
+			trips {
+				threshold: trip-point@0 {
+					temperature = <45000>;
+					hysteresis = <5000>;
+					type = "active";
+				};
+				target: trip-point@1 {
+					temperature = <50000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+				cpu_hot: cpu_hot@0 {
+					temperature = <55000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+			};
+			cooling-maps {
+				map0 {
+					trip = <&threshold>;
+					cooling-device = <&fan0 0 1>;
+				};
+				map1 {
+					trip = <&target>;
+					cooling-device = <&fan0 1 2>;
+				};
+				map2 {
+					trip = <&cpu_hot>;
+					cooling-device = <&fan0 2 3>;
+				};
+			};
+		};
+	};
-- 
2.7.4

WARNING: multiple messages have this Message-ID (diff)
From: Stefan Wahren <stefan.wahren@i2se.com>
To: Jean Delvare <jdelvare@suse.com>,
	Guenter Roeck <linux@roeck-us.net>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>
Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org,
	Florian Fainelli <f.fainelli@gmail.com>,
	Serge Schneider <serge@raspberrypi.org>,
	Stefan Wahren <stefan.wahren@i2se.com>,
	Phil Elwell <phil@raspberrypi.org>,
	linux-kernel@vger.kernel.org, Eric Anholt <eric@anholt.net>,
	bcm-kernel-feedback-list@broadcom.com,
	linux-rpi-kernel@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH RFC 1/2] dt-bindings: hwmon: Add RPi PoE HAT documentation
Date: Sun,  2 Sep 2018 13:20:50 +0200	[thread overview]
Message-ID: <1535887251-29515-2-git-send-email-stefan.wahren@i2se.com> (raw)
In-Reply-To: <1535887251-29515-1-git-send-email-stefan.wahren@i2se.com>

From: Serge Schneider <serge@raspberrypi.org>

This patch adds the binding for the fan on the Raspberry Pi Power over
Ethernet HAT.

Signed-off-by: Serge Schneider <serge@raspberrypi.org>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
---
 .../devicetree/bindings/hwmon/rpi-poe-fan.txt      | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/rpi-poe-fan.txt

diff --git a/Documentation/devicetree/bindings/hwmon/rpi-poe-fan.txt b/Documentation/devicetree/bindings/hwmon/rpi-poe-fan.txt
new file mode 100644
index 0000000..c71f856
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/rpi-poe-fan.txt
@@ -0,0 +1,55 @@
+Bindings for the Raspberry Pi PoE HAT fan
+
+Required properties:
+- compatible	: "raspberrypi,rpi-poe-fan"
+- firmware	: Reference to the RPi firmware device node
+- pwms		: the PWM that is used to control the PWM fan
+- cooling-levels      : PWM duty cycle values in a range from 0 to 255
+			which correspond to thermal cooling states
+
+Example:
+	fan0: rpi-poe-fan@0 {
+		compatible = "raspberrypi,rpi-poe-fan";
+		firmware = <&firmware>;
+		cooling-min-state = <0>;
+		cooling-max-state = <3>;
+		#cooling-cells = <2>;
+		cooling-levels = <0 50 150 255>;
+		status = "okay";
+	};
+
+	thermal-zones {
+		cpu_thermal: cpu-thermal {
+			trips {
+				threshold: trip-point@0 {
+					temperature = <45000>;
+					hysteresis = <5000>;
+					type = "active";
+				};
+				target: trip-point@1 {
+					temperature = <50000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+				cpu_hot: cpu_hot@0 {
+					temperature = <55000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+			};
+			cooling-maps {
+				map0 {
+					trip = <&threshold>;
+					cooling-device = <&fan0 0 1>;
+				};
+				map1 {
+					trip = <&target>;
+					cooling-device = <&fan0 1 2>;
+				};
+				map2 {
+					trip = <&cpu_hot>;
+					cooling-device = <&fan0 2 3>;
+				};
+			};
+		};
+	};
-- 
2.7.4

WARNING: multiple messages have this Message-ID (diff)
From: stefan.wahren@i2se.com (Stefan Wahren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RFC 1/2] dt-bindings: hwmon: Add RPi PoE HAT documentation
Date: Sun,  2 Sep 2018 13:20:50 +0200	[thread overview]
Message-ID: <1535887251-29515-2-git-send-email-stefan.wahren@i2se.com> (raw)
In-Reply-To: <1535887251-29515-1-git-send-email-stefan.wahren@i2se.com>

From: Serge Schneider <serge@raspberrypi.org>

This patch adds the binding for the fan on the Raspberry Pi Power over
Ethernet HAT.

Signed-off-by: Serge Schneider <serge@raspberrypi.org>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
---
 .../devicetree/bindings/hwmon/rpi-poe-fan.txt      | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/rpi-poe-fan.txt

diff --git a/Documentation/devicetree/bindings/hwmon/rpi-poe-fan.txt b/Documentation/devicetree/bindings/hwmon/rpi-poe-fan.txt
new file mode 100644
index 0000000..c71f856
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/rpi-poe-fan.txt
@@ -0,0 +1,55 @@
+Bindings for the Raspberry Pi PoE HAT fan
+
+Required properties:
+- compatible	: "raspberrypi,rpi-poe-fan"
+- firmware	: Reference to the RPi firmware device node
+- pwms		: the PWM that is used to control the PWM fan
+- cooling-levels      : PWM duty cycle values in a range from 0 to 255
+			which correspond to thermal cooling states
+
+Example:
+	fan0: rpi-poe-fan at 0 {
+		compatible = "raspberrypi,rpi-poe-fan";
+		firmware = <&firmware>;
+		cooling-min-state = <0>;
+		cooling-max-state = <3>;
+		#cooling-cells = <2>;
+		cooling-levels = <0 50 150 255>;
+		status = "okay";
+	};
+
+	thermal-zones {
+		cpu_thermal: cpu-thermal {
+			trips {
+				threshold: trip-point at 0 {
+					temperature = <45000>;
+					hysteresis = <5000>;
+					type = "active";
+				};
+				target: trip-point at 1 {
+					temperature = <50000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+				cpu_hot: cpu_hot at 0 {
+					temperature = <55000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+			};
+			cooling-maps {
+				map0 {
+					trip = <&threshold>;
+					cooling-device = <&fan0 0 1>;
+				};
+				map1 {
+					trip = <&target>;
+					cooling-device = <&fan0 1 2>;
+				};
+				map2 {
+					trip = <&cpu_hot>;
+					cooling-device = <&fan0 2 3>;
+				};
+			};
+		};
+	};
-- 
2.7.4

  reply	other threads:[~2018-09-02 15:38 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-02 11:20 [PATCH RFC 0/2] hwmon: Add RPi PoE HAT fan driver Stefan Wahren
2018-09-02 11:20 ` Stefan Wahren
2018-09-02 11:20 ` Stefan Wahren [this message]
2018-09-02 11:20   ` [PATCH RFC 1/2] dt-bindings: hwmon: Add RPi PoE HAT documentation Stefan Wahren
2018-09-02 11:20   ` Stefan Wahren
2018-09-02 11:20 ` [PATCH RFC 2/2] hwmon: Add RPi PoE HAT fan driver Stefan Wahren
2018-09-02 11:20   ` Stefan Wahren
2018-09-02 14:23 ` [PATCH RFC 0/2] " Guenter Roeck
2018-09-02 14:23   ` Guenter Roeck
2018-09-02 16:26   ` Stefan Wahren
2018-09-02 16:26     ` Stefan Wahren
2018-09-02 16:26     ` Stefan Wahren
2018-09-02 16:49     ` Guenter Roeck
2018-09-02 16:49       ` Guenter Roeck
2018-09-02 17:13       ` Stefan Wahren
2018-09-02 17:13         ` Stefan Wahren
2018-09-02 17:13         ` Stefan Wahren
2018-09-03 18:31         ` Florian Fainelli
2018-09-03 18:31           ` Florian Fainelli
2018-09-03 18:55           ` Stefan Wahren
2018-09-03 18:55             ` Stefan Wahren
2018-09-03 18:55             ` Stefan Wahren
2018-09-03 19:05             ` Serge Schneider
2018-09-03 19:05               ` Serge Schneider
2018-09-03 19:05               ` Serge Schneider

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1535887251-29515-2-git-send-email-stefan.wahren@i2se.com \
    --to=stefan.wahren@i2se.com \
    --cc=bcm-kernel-feedback-list@broadcom.com \
    --cc=devicetree@vger.kernel.org \
    --cc=eric@anholt.net \
    --cc=f.fainelli@gmail.com \
    --cc=jdelvare@suse.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-hwmon@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rpi-kernel@lists.infradead.org \
    --cc=linux@roeck-us.net \
    --cc=mark.rutland@arm.com \
    --cc=phil@raspberrypi.org \
    --cc=robh+dt@kernel.org \
    --cc=serge@raspberrypi.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.