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Message-ID: <20160117001026.GA5305@rob-hp-laptop>
Date: Sat, 16 Jan 2016 18:10:26 -0600
From: Rob Herring <robh@...nel.org>
To: Constantine Shulyupin <const@...eLinux.com>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
lm-sensors@...sensors.org, Arnd Bergmann <arnd@...db.de>,
Jean Delvare <jdelvare@...e.com>,
Guenter Roeck <linux@...ck-us.net>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>
Subject: Re: [PATCH v10] dt-bindings: hwmon/nct7802
On Sat, Jan 16, 2016 at 10:11:08PM +0200, Constantine Shulyupin wrote:
> Introduced subnodes sensor, fan and peci with properties.
>
> Signed-off-by: Constantine Shulyupin <const@...eLinux.com>
I acked v9. Please add acks when posting new versions unless the changes
are significant.
> ---
>
> Changed in v10:
> - Added space in address-cells and size-cells trying to avoid
> error "The message contains HTML subpart"
>
> Changed in v9:
> - Fixed nuvoton,nct7802-sensor
> - Introduced nuvoton,nct7802-vmon, nuvoton,nct7802-fan-in, nuvoton,nct7802-fan-ctl
>
> Changed in v8:
> - added senor type "local"
> - Compatible nodes converted to senor types "vcore", "vcc"
>
> Changed in v7:
> - sensors type (thermistor, thermistor, voltage) and pwm type
> selected with type property instead of compatible property.
>
> Changed in v6:
> - Removed previous definition.
> - Introduced subnodes sensor, fan and peci with properties.
>
> Changed in v5:
> - Fixed typos
>
> Changed in v4:
> - Removed registers initialization by names
> - Added properties nuvoton,sensor*-type
>
> Changed in v3:
> - Fixed vendor prefix
> - Added short registers description,
> full registers description is available at
> https://www.nuvoton.com/hq/products/cloud-computing/hardware-monitors/desktop-server-series/nct7802y/
>
> Changed in v2:
> - Removed nct7802,reg-init
> - Added registers initialization by names
>
> Introduced in v1:
> - nct7802,reg-init
> ---
> .../devicetree/bindings/hwmon/nct7802.txt | 125 +++++++++++++++++++++
> 1 file changed, 125 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/hwmon/nct7802.txt
>
> diff --git a/Documentation/devicetree/bindings/hwmon/nct7802.txt b/Documentation/devicetree/bindings/hwmon/nct7802.txt
> new file mode 100644
> index 0000000..cf983b3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/nct7802.txt
> @@ -0,0 +1,125 @@
> +Nuvoton NCT7802Y Hardware Monitoring IC
> +
> +Required node properties:
> +
> + - "compatible": must be "nuvoton,nct7802"
> + - "reg": I2C bus address of the device
> + - #address-cells = <1>;
> + - #size-cells = <0>;
> +
> +Optional subnodes:
> +
> +Sensor subnodes properties:
> + - "compatible", allowed values:
> + - "nuvoton,nct7802-sensor"
> + - "sensor-type", allowed values:
> + "thermal-diode"
> + "thermistor"
> + "voltage"
> + "local" (only one instance, no "reg" required)
> +For sensors of types "thermal-diode", "thermistor" and "voltage" required
> + - "reg": sensor index in range 0 .. 2
> +
> +Except sensor at address 2 can't be "thermal-diode".
> +
> +Voltage monitor subnodes properties:
> + - "compatible", allowed values:
> + - "nuvoton,nct7802-vmon"
> + - "vmon-type", allowed values:
> + "vcore"
> + "vcc"
> + - "reg" is not used because there is only one instance of
> + vcore and vcc voltage monitors.
> +
> +Fan subnodes:
> +
> +Fan tachometer subnode (input):
> +
> +Required properties:
> + - "reg" :sensor index of in range 0 .. 2.
> + - "compatible", should be "nuvoton,nct7802-fan-in"
> +
> +Fan PWM (or DC) subnode (output or control):
> +
> +Required properties:
> + - "reg" :sensor index of in range 0 .. 2.
> + - "compatible", should be "nuvoton,nct7802-fan-ctl"
> +Optional boolean properties:
> + - "direct-current" :direct current powered fan instead default PWM
> + - "invert" :inverted polarity
> + - "open-drain" :open-drain output instead push pull
> +
> +Subnode "peci" properties:
> + - "reg" :sensor index in range 0 .. 1
> + - "compatible", should be "nuvoton,nct7802-peci"
> +
> +Not defined sensors, fans and PECI modules will be disabled.
> +
> +Example nct7802 node:
> +
> +nct7802-example@28 {
> + compatible = "nuvoton,nct7802";
> + reg = <0x28>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + local-sensor {
> + compatible = "nuvoton,nct7802-sensor";
> + sensor-type = "local";
> + };
> + sensor@0 {
> + compatible = "nuvoton,nct7802-sensor";
> + reg = <0>;
> + sensor-type = "thermal-diode";
> + };
> + sensor@1 {
> + compatible = "nuvoton,nct7802-sensor";
> + reg = <1>;
> + sensor-type = "thermistor";
> + };
> + sensor@2 {
> + compatible = "nuvoton,nct7802-sensor";
> + reg = <2>;
> + sensor-type = "voltage";
> + };
> + vcc {
> + compatible = "nuvoton,nct7802-vmon";
> + sensor-type = "vcc";
> + };
> + vcore {
> + compatible = "nuvoton,nct7802-vmon";
> + sensor-type = "vcore";
> + };
> + fan-in@0 {
> + compatible = "nuvoton,nct7802-fan-in";
> + reg = <0>;
> + };
> + fan-in@1 {
> + compatible = "nuvoton,nct7802-fan-in";
> + reg = <1>;
> + };
> + fan-ctl@0 {
> + compatible = "nuvoton,nct7802-fan-ctl";
> + reg = <0>;
> + };
> + dc-fan-ctl@1 {
> + compatible = "nuvoton,nct7802-fan-ctl";
> + reg = <1>;
> + direct-current;
> + open-drain;
> + invert;
> + };
> + pwm-fan-ctl@2 {
> + compatible = "nuvoton,nct7802-fan-ctl";
> + reg = <2>;
> + open-drain;
> + invert;
> + };
> + peci@0 {
> + compatible = "nuvoton,nct7802-peci";
> + reg = <0>;
> + };
> + peci@1 {
> + compatible = "nuvoton,nct7802-peci";
> + reg = <1>;
> + };
> +};
> --
> 1.9.1
>
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