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Date: Thu, 30 May 2024 11:34:07 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: jic23@...nel.org
Cc: lars@...afoo.de,
robh@...nel.org,
krzk+dt@...nel.org,
conor+dt@...nel.org,
matthias.bgg@...il.com,
angelogioacchino.delregno@...labora.com,
lee@...nel.org,
andy@...nel.org,
nuno.sa@...log.com,
bigunclemax@...il.com,
dlechner@...libre.com,
marius.cristea@...rochip.com,
marcelo.schmitt@...log.com,
fr0st61te@...il.com,
mitrutzceclan@...il.com,
mike.looijmans@...ic.nl,
marcus.folkesson@...il.com,
linux-iio@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
kernel@...labora.com
Subject: [PATCH v1 1/4] dt-bindings: iio: adc: Add MediaTek MT6359 PMIC AUXADC
Add a new binding for the MT6350 Series (MT6357/8/9) PMIC AUXADC,
providing various ADC channels for both internal temperatures and
voltages, audio accessory detection (hp/mic/hp+mic and buttons,
usually on a 3.5mm jack) other than some basic battery statistics
on boards where the battery is managed by this PMIC.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
.../iio/adc/mediatek,mt6359-auxadc.yaml | 43 +++++++++++++++++++
.../iio/adc/mediatek,mt6357-auxadc.h | 21 +++++++++
.../iio/adc/mediatek,mt6358-auxadc.h | 22 ++++++++++
.../iio/adc/mediatek,mt6359-auxadc.h | 22 ++++++++++
4 files changed, 108 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/mediatek,mt6359-auxadc.yaml
create mode 100644 include/dt-bindings/iio/adc/mediatek,mt6357-auxadc.h
create mode 100644 include/dt-bindings/iio/adc/mediatek,mt6358-auxadc.h
create mode 100644 include/dt-bindings/iio/adc/mediatek,mt6359-auxadc.h
diff --git a/Documentation/devicetree/bindings/iio/adc/mediatek,mt6359-auxadc.yaml b/Documentation/devicetree/bindings/iio/adc/mediatek,mt6359-auxadc.yaml
new file mode 100644
index 000000000000..dd6c331905cf
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/mediatek,mt6359-auxadc.yaml
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/mediatek,mt6359-auxadc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek MT6350 series PMIC AUXADC
+
+maintainers:
+ - AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
+
+description:
+ The Auxiliary Analog/Digital Converter (AUXADC) is an ADC found
+ in some MediaTek PMICs, performing various PMIC related measurements
+ such as battery and PMIC internal voltage regulators temperatures,
+ accessory detection resistance (usually, for a 3.5mm audio jack)
+ other than voltages for various PMIC internal components.
+
+properties:
+ compatible:
+ enum:
+ - mediatek,mt6357-auxadc
+ - mediatek,mt6358-auxadc
+ - mediatek,mt6359-auxadc
+
+ "#io-channel-cells":
+ const: 1
+
+additionalProperties: false
+
+required:
+ - compatible
+ - "#io-channel-cells"
+
+examples:
+ - |
+ pmic {
+ pmic_adc: adc {
+ compatible = "mediatek,mt6359-auxadc";
+ #io-channel-cells = <1>;
+ };
+ };
+...
diff --git a/include/dt-bindings/iio/adc/mediatek,mt6357-auxadc.h b/include/dt-bindings/iio/adc/mediatek,mt6357-auxadc.h
new file mode 100644
index 000000000000..03ebb1d23953
--- /dev/null
+++ b/include/dt-bindings/iio/adc/mediatek,mt6357-auxadc.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
+
+#ifndef _DT_BINDINGS_MEDIATEK_MT6357_AUXADC_H
+#define _DT_BINDINGS_MEDIATEK_MT6357_AUXADC_H
+
+/* ADC Channel Index */
+#define MT6357_AUXADC_BATADC 0
+#define MT6357_AUXADC_ISENSE 1
+#define MT6357_AUXADC_VCDT 2
+#define MT6357_AUXADC_BAT_TEMP 3
+#define MT6357_AUXADC_CHIP_TEMP 4
+#define MT6357_AUXADC_ACCDET 5
+#define MT6357_AUXADC_VDCXO 6
+#define MT6357_AUXADC_TSX_TEMP 7
+#define MT6357_AUXADC_HPOFS_CAL 8
+#define MT6357_AUXADC_DCXO_TEMP 9
+#define MT6357_AUXADC_VCORE_TEMP 10
+#define MT6357_AUXADC_VPROC_TEMP 11
+#define MT6357_AUXADC_VBAT 12
+
+#endif
diff --git a/include/dt-bindings/iio/adc/mediatek,mt6358-auxadc.h b/include/dt-bindings/iio/adc/mediatek,mt6358-auxadc.h
new file mode 100644
index 000000000000..efa08398fafd
--- /dev/null
+++ b/include/dt-bindings/iio/adc/mediatek,mt6358-auxadc.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
+
+#ifndef _DT_BINDINGS_MEDIATEK_MT6358_AUXADC_H
+#define _DT_BINDINGS_MEDIATEK_MT6358_AUXADC_H
+
+/* ADC Channel Index */
+#define MT6358_AUXADC_BATADC 0
+#define MT6358_AUXADC_VCDT 1
+#define MT6358_AUXADC_BAT_TEMP 2
+#define MT6358_AUXADC_CHIP_TEMP 3
+#define MT6358_AUXADC_ACCDET 4
+#define MT6358_AUXADC_VDCXO 5
+#define MT6358_AUXADC_TSX_TEMP 6
+#define MT6358_AUXADC_HPOFS_CAL 7
+#define MT6358_AUXADC_DCXO_TEMP 8
+#define MT6358_AUXADC_VBIF 9
+#define MT6358_AUXADC_VCORE_TEMP 10
+#define MT6358_AUXADC_VPROC_TEMP 11
+#define MT6358_AUXADC_VGPU_TEMP 12
+#define MT6358_AUXADC_VBAT 13
+
+#endif
diff --git a/include/dt-bindings/iio/adc/mediatek,mt6359-auxadc.h b/include/dt-bindings/iio/adc/mediatek,mt6359-auxadc.h
new file mode 100644
index 000000000000..59826393ee7e
--- /dev/null
+++ b/include/dt-bindings/iio/adc/mediatek,mt6359-auxadc.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
+
+#ifndef _DT_BINDINGS_MEDIATEK_MT6359_AUXADC_H
+#define _DT_BINDINGS_MEDIATEK_MT6359_AUXADC_H
+
+/* ADC Channel Index */
+#define MT6359_AUXADC_BATADC 0
+#define MT6359_AUXADC_BAT_TEMP 1
+#define MT6359_AUXADC_CHIP_TEMP 2
+#define MT6359_AUXADC_ACCDET 3
+#define MT6359_AUXADC_VDCXO 4
+#define MT6359_AUXADC_TSX_TEMP 5
+#define MT6359_AUXADC_HPOFS_CAL 6
+#define MT6359_AUXADC_DCXO_TEMP 7
+#define MT6359_AUXADC_VBIF 8
+#define MT6359_AUXADC_VCORE_TEMP 9
+#define MT6359_AUXADC_VPROC_TEMP 10
+#define MT6359_AUXADC_VGPU_TEMP 11
+#define MT6359_AUXADC_VBAT 12
+#define MT6359_AUXADC_IBAT 13
+
+#endif
--
2.45.1
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