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Message-ID: <1634541429-3215-2-git-send-email-quic_jprakash@quicinc.com>
Date: Mon, 18 Oct 2021 12:47:08 +0530
From: Jishnu Prakash <quic_jprakash@...cinc.com>
To: <agross@...nel.org>, <bjorn.andersson@...aro.org>,
<devicetree@...r.kernel.org>, <mka@...omium.org>,
<linus.walleij@...aro.org>, <dmitry.baryshkov@...aro.org>,
<Jonathan.Cameron@...wei.com>, <quic_kgunda@...cinc.com>,
<quic_aghayal@...cinc.com>, <quic_subbaram@...cinc.com>,
"Rafael J. Wysocki" <rafael@...nel.org>,
"Daniel Lezcano" <daniel.lezcano@...aro.org>,
Amit Kucheria <amitk@...nel.org>,
"Zhang Rui" <rui.zhang@...el.com>,
Rob Herring <robh+dt@...nel.org>,
<linux-arm-msm@...r.kernel.org>, <linux-pm@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
CC: <linux-arm-msm-owner@...r.kernel.org>,
Jishnu Prakash <quic_jprakash@...cinc.com>
Subject: [PATCH 1/2] dt-bindings: thermal: qcom: add PMIC5 Gen2 ADC_TM bindings
Add documentation for PMIC5 Gen2 ADC_TM peripheral.
It is used for monitoring ADC channel thresholds for PMIC7-type
PMICs. It is present on PMK8350, like PMIC7 ADC and can be used
to monitor up to 8 ADC channels, from any of the PMIC7 PMICs
on a target, through PBS(Programmable Boot Sequence).
Signed-off-by: Jishnu Prakash <quic_jprakash@...cinc.com>
---
.../bindings/thermal/qcom-spmi-adc-tm5.yaml | 83 +++++++++++++++++++++-
1 file changed, 81 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml b/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml
index 3ea8c0c..71a05a3 100644
--- a/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml
+++ b/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml
@@ -10,7 +10,9 @@ maintainers:
properties:
compatible:
- const: qcom,spmi-adc-tm5
+ enum:
+ - qcom,spmi-adc-tm5
+ - qcom,spmi-adc-tm5-gen2
reg:
maxItems: 1
@@ -33,6 +35,7 @@ properties:
qcom,avg-samples:
$ref: /schemas/types.yaml#/definitions/uint32
description: Number of samples to be used for measurement.
+ Not applicable for Gen2 ADC_TM peripheral.
enum:
- 1
- 2
@@ -45,6 +48,7 @@ properties:
$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.
+ Not applicable for Gen2 ADC_TM peripheral.
enum:
- 250
- 420
@@ -93,6 +97,29 @@ patternProperties:
- const: 1
- enum: [ 1, 3, 4, 6, 20, 8, 10 ]
+ qcom,avg-samples:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: Number of samples to be used for measurement.
+ This property in child node is applicable only for Gen2 ADC_TM peripheral.
+ 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.
+ This property in child node is applicable only for Gen2 ADC_TM peripheral.
+ enum:
+ - 85
+ - 340
+ - 1360
+ default: 1360
+
required:
- reg
- io-channels
@@ -124,7 +151,7 @@ examples:
#size-cells = <0>;
#io-channel-cells = <1>;
- /* Other propreties are omitted */
+ /* Other properties are omitted */
conn-therm@4f {
reg = <ADC5_AMUX_THM3_100K_PU>;
qcom,ratiometric;
@@ -148,4 +175,56 @@ examples:
};
};
};
+
+ - |
+ #include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h>
+ #include <dt-bindings/iio/qcom,spmi-adc7-pm8350.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ spmi_bus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pmk8350_vadc: adc@...0 {
+ reg = <0x3100>;
+ compatible = "qcom,spmi-adc7";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #io-channel-cells = <1>;
+
+ /* Other properties are omitted */
+ xo-therm@44 {
+ reg = <PMK8350_ADC7_AMUX_THM1_100K_PU>;
+ qcom,ratiometric;
+ qcom,hw-settle-time = <200>;
+ };
+
+ conn-therm@47 {
+ reg = <PM8350_ADC7_AMUX_THM4_100K_PU>;
+ qcom,ratiometric;
+ qcom,hw-settle-time = <200>;
+ };
+ };
+
+ pmk8350_adc_tm: adc-tm@...0 {
+ compatible = "qcom,spmi-adc-tm5-gen2";
+ reg = <0x3400>;
+ interrupts = <0x0 0x34 0x0 IRQ_TYPE_EDGE_RISING>;
+ #thermal-sensor-cells = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pmk8350-xo-therm@0 {
+ reg = <0>;
+ io-channels = <&pmk8350_vadc PMK8350_ADC7_AMUX_THM1_100K_PU>;
+ qcom,ratiometric;
+ qcom,hw-settle-time-us = <200>;
+ };
+
+ conn-therm@1 {
+ reg = <1>;
+ io-channels = <&pmk8350_vadc PM8350_ADC7_AMUX_THM4_100K_PU>;
+ qcom,ratiometric;
+ qcom,hw-settle-time-us = <200>;
+ };
+ };
+ };
...
--
2.7.4
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