On Mon, Nov 11, 2019 at 03:34:44PM -0500, etremblay@xxxxxxxxxxxxxxxxxxxx wrote: > From: Eric Tremblay <etremblay@xxxxxxxxxxxxxxxxxxxx> > > Document the TMP513/512 device devicetree bindings > > Signed-off-by: Eric Tremblay <etremblay@xxxxxxxxxxxxxxxxxxxx> > --- > .../devicetree/bindings/hwmon/ti,tmp513.yaml | 89 +++++++++++++++++++ > 1 file changed, 89 insertions(+) > create mode 100644 Documentation/devicetree/bindings/hwmon/ti,tmp513.yaml > > diff --git a/Documentation/devicetree/bindings/hwmon/ti,tmp513.yaml b/Documentation/devicetree/bindings/hwmon/ti,tmp513.yaml > new file mode 100644 > index 000000000000..de4ed3645e0f > --- /dev/null > +++ b/Documentation/devicetree/bindings/hwmon/ti,tmp513.yaml > @@ -0,0 +1,89 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > + > +$id: http://devicetree.org/schemas/hwmon/ti,tmp513.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: TMP513/512 system monitor sensor > + > +maintainers: > + - Eric Tremblay <etremblay@xxxxxxxxxxxxxxxxxxxx> > + > +description: | > + This driver implements support for Texas Instruments TMP512, and TMP513. > + The TMP512 (dual-channel) and TMP513 (triple-channel) are system monitors > + that include remote sensors, a local temperature sensor, and a high-side > + current shunt monitor. These system monitors have the capability of measuring > + remote temperatures, on-chip temperatures, and system voltage/power/current > + consumption. > + > + Datasheets: > + http://www.ti.com/lit/gpn/tmp513 > + http://www.ti.com/lit/gpn/tmp512 > + > + > +properties: > + compatible: > + enum: > + - ti,tmp512 > + - ti,tmp513 > + > + reg: > + maxItems: 1 > + > + shunt-resistor-micro-ohms: > + description: | > + If 0, the calibration process will be skiped and the current and power > + measurement engine will not work. Temperature and voltage measurement > + will continue to work. The shunt value also need to respect: > + rshunt <= pga-gain * 40 * 1000 * 1000. > + If not, it's not possible to compute a valid calibration value. > + default: 1000 > + > + ti,pga-gain: > + description: | > + The gain value for the PGA function. This is 8, 4, 2 or 1. > + The PGA gain affect the shunt voltage range. > + The range will be equal to: pga-gain * 40mV > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [1, 2, 4, 8] > + default: 8 > + > + ti,bus-range-microvolt: > + description: | > + This is the operating range of the bus voltage in microvolt > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [16000000, 32000000] > + default: 32000000 > + > + ti,nfactor: > + description: | > + Array of three(TMP513) or two(TMP512) n-Factor value for each remote > + temperature channel. > + See datasheet Table 11 for n-Factor range list and value interpretation. > + allOf: > + - $ref: /schemas/types.yaml#definitions/uint8-array > + - minItems: 2 > + maxItems: 3 > + items: > + default: 0 > + > +required: > + - compatible > + - reg > + > +examples: > + - | > + i2c { 'make dt_binding_check' fails. You need #address-cells and #size-cells in here: Documentation/devicetree/bindings/hwmon/ti,tmp513.example.dts:20.17-30: Warning (reg_format): /example-0/i2c/tmp513@5c:reg: property has invalid length (4 bytes) (#address-cells == 2, #size-cells == 1) Documentation/devicetree/bindings/hwmon/ti,tmp513.example.dt.yaml: Warning (pci_device_bus_num): Failed prerequisite 'reg_format' Documentation/devicetree/bindings/hwmon/ti,tmp513.example.dts:17.5-26.11: Warning (i2c_bus_bridge): /example-0/i2c: incorrect #address-cells for I2C bus Documentation/devicetree/bindings/hwmon/ti,tmp513.example.dts:17.5-26.11: Warning (i2c_bus_bridge): /example-0/i2c: incorrect #size-cells for I2C bus Documentation/devicetree/bindings/hwmon/ti,tmp513.example.dt.yaml: Warning (i2c_bus_reg): Failed prerequisite 'reg_format' Documentation/devicetree/bindings/hwmon/ti,tmp513.example.dt.yaml: Warning (i2c_bus_reg): Failed prerequisite 'i2c_bus_bridge' Documentation/devicetree/bindings/hwmon/ti,tmp513.example.dt.yaml: Warning (spi_bus_reg): Failed prerequisite 'reg_format' Documentation/devicetree/bindings/hwmon/ti,tmp513.example.dts:18.23-25.15: Warning (avoid_default_addr_size): /example-0/i2c/tmp513@5c: Relying on default #address-cells value Documentation/devicetree/bindings/hwmon/ti,tmp513.example.dts:18.23-25.15: Warning (avoid_default_addr_size): /example-0/i2c/tmp513@5c: Relying on default #size-cells value > + tmp513@5c { > + compatible = "ti,tmp513"; > + reg = <0x5C>; > + shunt-resistor-micro-ohms = <330000>; > + ti,bus-range-microvolt = <32000000>; > + ti,pga-gain = <8>; > + ti,nfactor = [01 F3 00]; > + }; > + }; > -- > 2.17.1 >
