From: Jonathan Cameron <jic23@kernel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Rob Herring <robh+dt@kernel.org>, Zhang Rui <rui.zhang@intel.com>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Amit Kucheria <amitk@kernel.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org,
devicetree@vger.kernel.org, linux-iio@vger.kernel.org,
Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Subject: Re: [PATCH v4 02/10] dt-bindings: thermal: qcom: add adc-thermal monitor bindings
Date: Sun, 13 Sep 2020 11:05:45 +0100 [thread overview]
Message-ID: <20200913110545.4154cff9@archlinux> (raw)
In-Reply-To: <20200910140000.324091-3-dmitry.baryshkov@linaro.org>
On Thu, 10 Sep 2020 16:59:52 +0300
Dmitry Baryshkov <dmitry.baryshkov@linaro.org> wrote:
> Add bindings for thermal monitor, part of Qualcomm PMIC5 chips. It is a
> close counterpart of VADC part of those PMICs.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> ---
> .../bindings/thermal/qcom-spmi-adc-tm5.yaml | 151 ++++++++++++++++++
> 1 file changed, 151 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml
>
> diff --git a/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml b/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml
> new file mode 100644
> index 000000000000..432a65839b89
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml
> @@ -0,0 +1,151 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/thermal/qcom-spmi-adc-tm5.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm's SPMI PMIC ADC Thermal Monitoring
> +maintainers:
> + - Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> +
> +properties:
> + compatible:
> + const: qcom,spmi-adc-tm5
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + "#thermal-sensor-cells":
> + const: 1
> + description:
> + Number of cells required to uniquely identify the thermal sensors. Since
> + we have multiple sensors this is set to 1
> +
> + "#address-cells":
> + const: 1
> +
> + "#size-cells":
> + const: 0
> +
> + qcom,avg-samples:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: Number of samples to be used for measurement.
> + enum:
> + - 1
> + - 2
> + - 4
> + - 8
> + - 16
> + default: 1
> +
> + qcom,decimation:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: This parameter is used to decrease ADC sampling rate.
> + Quicker measurements can be made by reducing decimation ratio.
> + enum:
> + - 250
> + - 420
> + - 840
> + default: 840
> +
> +patternProperties:
> + "^([-a-z0-9]*)@[0-9]+$":
> + type: object
> + description:
> + Represent one thermal sensor.
> +
> + properties:
> + reg:
> + description: Specify the sensor channel.
> + maxItems: 1
> +
> + io-channels:
> + description:
> + From common IIO binding. Used to pipe PMIC ADC channel to thermal monitor
> +
> + qcom,adc-channel:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: Corresponding ADC channel ID.
> +
> + qcom,ratiometric:
> + $ref: /schemas/types.yaml#/definitions/flag
> + description:
> + Channel calibration type.
> + If this property is specified VADC will use the VDD reference
> + (1.875V) and GND for channel calibration. If property is not found,
> + channel will be calibrated with 0V and 1.25V reference channels,
> + also known as absolute calibration.
> +
> + qcom,hw-settle-time:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: Time between AMUX getting configured and the ADC starting conversion.
> +
> + qcom,pre-scaling:
> + $ref: /schemas/types.yaml#/definitions/uint32-array
> + description: Used for scaling the channel input signal before the
> + signal is fed to VADC. See qcom,spi-vadc specification for the list
> + of possible values.
> + minItems: 2
> + maxItems: 2
> +
> + required:
> + - reg
> + - qcom,adc-channel
> +
> + additionalProperties:
> + false
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - "#address-cells"
> + - "#size-cells"
> + - "#thermal-sensor-cells"
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/iio/qcom,spmi-vadc.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + spmi_bus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + pm8150b_adc: adc@3100 {
> + reg = <0x3100>;
> + compatible = "qcom,spmi-adc5";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + #io-channel-cells = <1>;
> + io-channel-ranges;
> +
> + /* Other propreties are omitted */
> + conn-therm@4f {
> + reg = <ADC5_AMUX_THM3_100K_PU>;
> + qcom,ratiometric;
> + qcom,hw-settle-time = <200>;
> + };
> + };
> +
> + pm8150b_adc_tm: adc-tm@3500 {
> + compatible = "qcom,spmi-adc-tm5";
> + reg = <0x3500>;
> + interrupts = <0x2 0x35 0x0 IRQ_TYPE_EDGE_RISING>;
> + #thermal-sensor-cells = <1>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + conn-therm@0 {
> + reg = <0>;
> + io-channels = <&pm8150b_adc ADC5_AMUX_THM3_100K_PU>;
> + qcom,adc-channel = <ADC5_AMUX_THM3_100K_PU>;
> + qcom,ratiometric;
> + qcom,hw-settle-time = <200>;
> + };
> + };
> + };
> +...
next prev parent reply other threads:[~2020-09-13 10:05 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-10 13:59 [PATCH v3 00/10] qcom: pm8150: add support for thermal monitoring Dmitry Baryshkov
2020-09-10 13:59 ` [PATCH v4 01/10] iio: adc: qcom-spmi-adc5: fix driver name Dmitry Baryshkov
2020-09-13 10:03 ` Jonathan Cameron
2020-09-10 13:59 ` [PATCH v4 02/10] dt-bindings: thermal: qcom: add adc-thermal monitor bindings Dmitry Baryshkov
2020-09-13 10:05 ` Jonathan Cameron [this message]
2020-09-10 13:59 ` [PATCH v4 03/10] fixp-arith: add a linear interpolation function Dmitry Baryshkov
2020-09-13 10:06 ` Jonathan Cameron
2020-09-10 13:59 ` [PATCH v4 04/10] iio: adc: qcom-vadc: move several adc5 functions to common file Dmitry Baryshkov
2020-09-10 13:59 ` [PATCH v4 05/10] iio: adc: qcom-vadc-common: use fixp_linear_interpolate Dmitry Baryshkov
2020-09-10 13:59 ` [PATCH v4 06/10] iio: adc: qcom-spmi-adc5: use of_device_get_match_data Dmitry Baryshkov
2020-09-14 10:41 ` Manivannan Sadhasivam
2020-09-10 13:59 ` [PATCH v4 07/10] iio: provide of_iio_channel_get_by_name() and devm_ version it Dmitry Baryshkov
2020-09-13 10:08 ` Jonathan Cameron
2020-09-10 13:59 ` [PATCH v4 08/10] thermal: qcom: add support for adc-tm5 PMIC thermal monitor Dmitry Baryshkov
2020-09-13 10:15 ` Jonathan Cameron
2020-09-14 15:41 ` Dmitry Baryshkov
2020-09-10 13:59 ` [PATCH v4 09/10] arm64: dts: qcom: pm8150x: add definitions for adc-tm5 part Dmitry Baryshkov
2020-09-14 10:40 ` Manivannan Sadhasivam
2020-09-10 14:00 ` [PATCH v4 10/10] arm64: dts: sm8250-mtp: add thermal zones using pmic's adc-tm5 Dmitry Baryshkov
2020-09-13 10:21 ` [PATCH v3 00/10] qcom: pm8150: add support for thermal monitoring Jonathan Cameron
2020-09-14 15:45 ` Dmitry Baryshkov
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