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From:   Jishnu Prakash <jprakash@codeaurora.org>
To:     agross@kernel.org, bjorn.andersson@linaro.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        mka@chromium.org, linus.walleij@linaro.org,
        Jonathan.Cameron@huawei.com, andy.shevchenko@gmail.com,
        amit.kucheria@verdurent.com, smohanad@codeaurora.org,
        kgunda@codeaurora.org, aghayal@codeaurora.org,
        Jonathan Cameron <jic23@kernel.org>,
        Hartmut Knaack <knaack.h@gmx.de>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Jishnu Prakash <jprakash@codeaurora.org>,
        Amit Kucheria <amit.kucheria@linaro.org>,
        linux-iio@vger.kernel.org, linux-arm-msm@vger.kernel.org
Cc:     linux-arm-msm-owner@vger.kernel.org
Subject: [PATCH V4 2/5] iio: adc: Add PMIC7 ADC bindings
Date:   Wed, 13 May 2020 14:52:13 +0530
Message-Id: <1589361736-816-3-git-send-email-jprakash@codeaurora.org>
In-Reply-To: <1589361736-816-1-git-send-email-jprakash@codeaurora.org>
References: <1589361736-816-1-git-send-email-jprakash@codeaurora.org>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Add documentation for PMIC7 ADC peripheral.
For the PMIC7-type PMICs, ADC peripheral is present in HW for the
following PMICs: PMK8350, PM8350, PM8350b, PMR735a and PMR735b.
Of these, only the ADC peripheral on PMK8350 is exposed directly to SW.
If SW needs to communicate with ADCs on other PMICs, it specifies the
PMIC to PMK8350 through the newly added SID register and communication
between PMK8350 ADC and other PMIC ADCs is carried out through
PBS(Programmable Boot Sequence) at the firmware level.

In addition, add definitions for ADC channels and virtual channel
definitions (combination of ADC channel number and PMIC SID number)
per PMIC, to be used by ADC clients for PMIC7.

Signed-off-by: Jishnu Prakash <jprakash@codeaurora.org>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 .../bindings/iio/adc/qcom,spmi-vadc.yaml           | 38 ++++++++--
 include/dt-bindings/iio/qcom,spmi-adc7-pm8350.h    | 67 ++++++++++++++++
 include/dt-bindings/iio/qcom,spmi-adc7-pm8350b.h   | 88 ++++++++++++++++++++++
 include/dt-bindings/iio/qcom,spmi-adc7-pmk8350.h   | 46 +++++++++++
 include/dt-bindings/iio/qcom,spmi-adc7-pmr735a.h   | 28 +++++++
 include/dt-bindings/iio/qcom,spmi-adc7-pmr735b.h   | 28 +++++++
 include/dt-bindings/iio/qcom,spmi-vadc.h           | 78 ++++++++++++++++++-
 7 files changed, 366 insertions(+), 7 deletions(-)
 create mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pm8350.h
 create mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pm8350b.h
 create mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pmk8350.h
 create mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pmr735a.h
 create mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pmr735b.h

diff --git a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml
index de8d243..e6263b6 100644
--- a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml
@@ -13,7 +13,7 @@ maintainers:
 description: |
   SPMI PMIC voltage ADC (VADC) provides interface to clients to read
   voltage. The VADC is a 15-bit sigma-delta ADC.
-  SPMI PMIC5 voltage ADC (ADC) provides interface to clients to read
+  SPMI PMIC5/PMIC7 voltage ADC (ADC) provides interface to clients to read
   voltage. The VADC is a 16-bit sigma-delta ADC.
 
 properties:
@@ -28,6 +28,7 @@ properties:
           - qcom,spmi-vadc
           - qcom,spmi-adc5
           - qcom,spmi-adc-rev2
+          - qcom,spmi-adc7
 
   reg:
     description: VADC base address in the SPMI PMIC register map
@@ -70,6 +71,8 @@ patternProperties:
         description: |
           ADC channel number.
           See include/dt-bindings/iio/qcom,spmi-vadc.h
+          For PMIC7 ADC, the channel numbers are specified separately per PMIC
+          in the PMIC-specific files in include/dt-bindings/iio/.
 
       label:
         $ref: /schemas/types.yaml#/definitions/string
@@ -113,11 +116,11 @@ patternProperties:
               channel calibration. If property is not found, channel will be
               calibrated with 0.625V and 1.25V reference channels, also
               known as absolute calibration.
-            - For compatible property "qcom,spmi-adc5" and "qcom,spmi-adc-rev2",
-              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.
+            - For compatible property "qcom,spmi-adc5", "qcom,spmi-adc7" and
+              "qcom,spmi-adc-rev2", 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.
         type: boolean
 
       qcom,hw-settle-time:
@@ -208,6 +211,29 @@ allOf:
               enum: [ 1, 2, 4, 8, 16 ]
               default: 1
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: qcom,spmi-adc7
+
+    then:
+      patternProperties:
+        "^.*@[0-9a-f]+$":
+          properties:
+            qcom,decimation:
+              enum: [ 85, 340, 1360 ]
+              default: 1360
+
+            qcom,hw-settle-time:
+              enum: [ 15, 100, 200, 300, 400, 500, 600, 700, 1000, 2000, 4000,
+                      8000, 16000, 32000, 64000, 128000 ]
+              default: 15
+
+            qcom,avg-samples:
+              enum: [ 1, 2, 4, 8, 16 ]
+              default: 1
+
 examples:
   - |
     spmi_bus {
diff --git a/include/dt-bindings/iio/qcom,spmi-adc7-pm8350.h b/include/dt-bindings/iio/qcom,spmi-adc7-pm8350.h
new file mode 100644
index 0000000..9426f27
--- /dev/null
+++ b/include/dt-bindings/iio/qcom,spmi-adc7-pm8350.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_QCOM_SPMI_VADC_PM8350_H
+#define _DT_BINDINGS_QCOM_SPMI_VADC_PM8350_H
+
+#ifndef PM8350_SID
+#define PM8350_SID					1
+#endif
+
+/* ADC channels for PM8350_ADC for PMIC7 */
+#define PM8350_ADC7_REF_GND			(PM8350_SID << 8 | 0x0)
+#define PM8350_ADC7_1P25VREF			(PM8350_SID << 8 | 0x01)
+#define PM8350_ADC7_VREF_VADC			(PM8350_SID << 8 | 0x02)
+#define PM8350_ADC7_DIE_TEMP			(PM8350_SID << 8 | 0x03)
+
+#define PM8350_ADC7_AMUX_THM1			(PM8350_SID << 8 | 0x04)
+#define PM8350_ADC7_AMUX_THM2			(PM8350_SID << 8 | 0x05)
+#define PM8350_ADC7_AMUX_THM3			(PM8350_SID << 8 | 0x06)
+#define PM8350_ADC7_AMUX_THM4			(PM8350_SID << 8 | 0x07)
+#define PM8350_ADC7_AMUX_THM5			(PM8350_SID << 8 | 0x08)
+#define PM8350_ADC7_GPIO1			(PM8350_SID << 8 | 0x0a)
+#define PM8350_ADC7_GPIO2			(PM8350_SID << 8 | 0x0b)
+#define PM8350_ADC7_GPIO3			(PM8350_SID << 8 | 0x0c)
+#define PM8350_ADC7_GPIO4			(PM8350_SID << 8 | 0x0d)
+
+/* 30k pull-up1 */
+#define PM8350_ADC7_AMUX_THM1_30K_PU		(PM8350_SID << 8 | 0x24)
+#define PM8350_ADC7_AMUX_THM2_30K_PU		(PM8350_SID << 8 | 0x25)
+#define PM8350_ADC7_AMUX_THM3_30K_PU		(PM8350_SID << 8 | 0x26)
+#define PM8350_ADC7_AMUX_THM4_30K_PU		(PM8350_SID << 8 | 0x27)
+#define PM8350_ADC7_AMUX_THM5_30K_PU		(PM8350_SID << 8 | 0x28)
+#define PM8350_ADC7_GPIO1_30K_PU		(PM8350_SID << 8 | 0x2a)
+#define PM8350_ADC7_GPIO2_30K_PU		(PM8350_SID << 8 | 0x2b)
+#define PM8350_ADC7_GPIO3_30K_PU		(PM8350_SID << 8 | 0x2c)
+#define PM8350_ADC7_GPIO4_30K_PU		(PM8350_SID << 8 | 0x2d)
+
+/* 100k pull-up2 */
+#define PM8350_ADC7_AMUX_THM1_100K_PU		(PM8350_SID << 8 | 0x44)
+#define PM8350_ADC7_AMUX_THM2_100K_PU		(PM8350_SID << 8 | 0x45)
+#define PM8350_ADC7_AMUX_THM3_100K_PU		(PM8350_SID << 8 | 0x46)
+#define PM8350_ADC7_AMUX_THM4_100K_PU		(PM8350_SID << 8 | 0x47)
+#define PM8350_ADC7_AMUX_THM5_100K_PU		(PM8350_SID << 8 | 0x48)
+#define PM8350_ADC7_GPIO1_100K_PU		(PM8350_SID << 8 | 0x4a)
+#define PM8350_ADC7_GPIO2_100K_PU		(PM8350_SID << 8 | 0x4b)
+#define PM8350_ADC7_GPIO3_100K_PU		(PM8350_SID << 8 | 0x4c)
+#define PM8350_ADC7_GPIO4_100K_PU		(PM8350_SID << 8 | 0x4d)
+
+/* 400k pull-up3 */
+#define PM8350_ADC7_AMUX_THM1_400K_PU		(PM8350_SID << 8 | 0x64)
+#define PM8350_ADC7_AMUX_THM2_400K_PU		(PM8350_SID << 8 | 0x65)
+#define PM8350_ADC7_AMUX_THM3_400K_PU		(PM8350_SID << 8 | 0x66)
+#define PM8350_ADC7_AMUX_THM4_400K_PU		(PM8350_SID << 8 | 0x67)
+#define PM8350_ADC7_AMUX_THM5_400K_PU		(PM8350_SID << 8 | 0x68)
+#define PM8350_ADC7_GPIO1_400K_PU		(PM8350_SID << 8 | 0x6a)
+#define PM8350_ADC7_GPIO2_400K_PU		(PM8350_SID << 8 | 0x6b)
+#define PM8350_ADC7_GPIO3_400K_PU		(PM8350_SID << 8 | 0x6c)
+#define PM8350_ADC7_GPIO4_400K_PU		(PM8350_SID << 8 | 0x6d)
+
+/* 1/3 Divider */
+#define PM8350_ADC7_GPIO4_DIV3			(PM8350_SID << 8 | 0x8d)
+
+#define PM8350_ADC7_VPH_PWR			(PM8350_SID << 8 | 0x8e)
+
+#endif /* _DT_BINDINGS_QCOM_SPMI_VADC_PM8350_H */
diff --git a/include/dt-bindings/iio/qcom,spmi-adc7-pm8350b.h b/include/dt-bindings/iio/qcom,spmi-adc7-pm8350b.h
new file mode 100644
index 0000000..dc2497c
--- /dev/null
+++ b/include/dt-bindings/iio/qcom,spmi-adc7-pm8350b.h
@@ -0,0 +1,88 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020 The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_QCOM_SPMI_VADC_PM8350B_H
+#define _DT_BINDINGS_QCOM_SPMI_VADC_PM8350B_H
+
+#ifndef PM8350B_SID
+#define PM8350B_SID					3
+#endif
+
+/* ADC channels for PM8350B_ADC for PMIC7 */
+#define PM8350B_ADC7_REF_GND			(PM8350B_SID << 8 | 0x0)
+#define PM8350B_ADC7_1P25VREF			(PM8350B_SID << 8 | 0x01)
+#define PM8350B_ADC7_VREF_VADC			(PM8350B_SID << 8 | 0x02)
+#define PM8350B_ADC7_DIE_TEMP			(PM8350B_SID << 8 | 0x03)
+
+#define PM8350B_ADC7_AMUX_THM1			(PM8350B_SID << 8 | 0x04)
+#define PM8350B_ADC7_AMUX_THM2			(PM8350B_SID << 8 | 0x05)
+#define PM8350B_ADC7_AMUX_THM3			(PM8350B_SID << 8 | 0x06)
+#define PM8350B_ADC7_AMUX_THM4			(PM8350B_SID << 8 | 0x07)
+#define PM8350B_ADC7_AMUX_THM5			(PM8350B_SID << 8 | 0x08)
+#define PM8350B_ADC7_AMUX_THM6			(PM8350B_SID << 8 | 0x09)
+#define PM8350B_ADC7_GPIO1			(PM8350B_SID << 8 | 0x0a)
+#define PM8350B_ADC7_GPIO2			(PM8350B_SID << 8 | 0x0b)
+#define PM8350B_ADC7_GPIO3			(PM8350B_SID << 8 | 0x0c)
+#define PM8350B_ADC7_GPIO4			(PM8350B_SID << 8 | 0x0d)
+
+#define PM8350B_ADC7_CHG_TEMP			(PM8350B_SID << 8 | 0x10)
+#define PM8350B_ADC7_USB_IN_V_16		(PM8350B_SID << 8 | 0x11)
+#define PM8350B_ADC7_VDC_16			(PM8350B_SID << 8 | 0x12)
+#define PM8350B_ADC7_CC1_ID			(PM8350B_SID << 8 | 0x13)
+#define PM8350B_ADC7_VREF_BAT_THERM		(PM8350B_SID << 8 | 0x15)
+#define PM8350B_ADC7_IIN_FB			(PM8350B_SID << 8 | 0x17)
+
+/* 30k pull-up1 */
+#define PM8350B_ADC7_AMUX_THM1_30K_PU		(PM8350B_SID << 8 | 0x24)
+#define PM8350B_ADC7_AMUX_THM2_30K_PU		(PM8350B_SID << 8 | 0x25)
+#define PM8350B_ADC7_AMUX_THM3_30K_PU		(PM8350B_SID << 8 | 0x26)
+#define PM8350B_ADC7_AMUX_THM4_30K_PU		(PM8350B_SID << 8 | 0x27)
+#define PM8350B_ADC7_AMUX_THM5_30K_PU		(PM8350B_SID << 8 | 0x28)
+#define PM8350B_ADC7_AMUX_THM6_30K_PU		(PM8350B_SID << 8 | 0x29)
+#define PM8350B_ADC7_GPIO1_30K_PU		(PM8350B_SID << 8 | 0x2a)
+#define PM8350B_ADC7_GPIO2_30K_PU		(PM8350B_SID << 8 | 0x2b)
+#define PM8350B_ADC7_GPIO3_30K_PU		(PM8350B_SID << 8 | 0x2c)
+#define PM8350B_ADC7_GPIO4_30K_PU		(PM8350B_SID << 8 | 0x2d)
+#define PM8350B_ADC7_CC1_ID_30K_PU		(PM8350B_SID << 8 | 0x33)
+
+/* 100k pull-up2 */
+#define PM8350B_ADC7_AMUX_THM1_100K_PU		(PM8350B_SID << 8 | 0x44)
+#define PM8350B_ADC7_AMUX_THM2_100K_PU		(PM8350B_SID << 8 | 0x45)
+#define PM8350B_ADC7_AMUX_THM3_100K_PU		(PM8350B_SID << 8 | 0x46)
+#define PM8350B_ADC7_AMUX_THM4_100K_PU		(PM8350B_SID << 8 | 0x47)
+#define PM8350B_ADC7_AMUX_THM5_100K_PU		(PM8350B_SID << 8 | 0x48)
+#define PM8350B_ADC7_AMUX_THM6_100K_PU		(PM8350B_SID << 8 | 0x49)
+#define PM8350B_ADC7_GPIO1_100K_PU		(PM8350B_SID << 8 | 0x4a)
+#define PM8350B_ADC7_GPIO2_100K_PU		(PM8350B_SID << 8 | 0x4b)
+#define PM8350B_ADC7_GPIO3_100K_PU		(PM8350B_SID << 8 | 0x4c)
+#define PM8350B_ADC7_GPIO4_100K_PU		(PM8350B_SID << 8 | 0x4d)
+#define PM8350B_ADC7_CC1_ID_100K_PU		(PM8350B_SID << 8 | 0x53)
+
+/* 400k pull-up3 */
+#define PM8350B_ADC7_AMUX_THM1_400K_PU		(PM8350B_SID << 8 | 0x64)
+#define PM8350B_ADC7_AMUX_THM2_400K_PU		(PM8350B_SID << 8 | 0x65)
+#define PM8350B_ADC7_AMUX_THM3_400K_PU		(PM8350B_SID << 8 | 0x66)
+#define PM8350B_ADC7_AMUX_THM4_400K_PU		(PM8350B_SID << 8 | 0x67)
+#define PM8350B_ADC7_AMUX_THM5_400K_PU		(PM8350B_SID << 8 | 0x68)
+#define PM8350B_ADC7_AMUX_THM6_400K_PU		(PM8350B_SID << 8 | 0x69)
+#define PM8350B_ADC7_GPIO1_400K_PU		(PM8350B_SID << 8 | 0x6a)
+#define PM8350B_ADC7_GPIO2_400K_PU		(PM8350B_SID << 8 | 0x6b)
+#define PM8350B_ADC7_GPIO3_400K_PU		(PM8350B_SID << 8 | 0x6c)
+#define PM8350B_ADC7_GPIO4_400K_PU		(PM8350B_SID << 8 | 0x6d)
+#define PM8350B_ADC7_CC1_ID_400K_PU		(PM8350B_SID << 8 | 0x73)
+
+/* 1/3 Divider */
+#define PM8350B_ADC7_GPIO1_DIV3			(PM8350B_SID << 8 | 0x8a)
+#define PM8350B_ADC7_GPIO2_DIV3			(PM8350B_SID << 8 | 0x8b)
+#define PM8350B_ADC7_GPIO3_DIV3			(PM8350B_SID << 8 | 0x8c)
+#define PM8350B_ADC7_GPIO4_DIV3			(PM8350B_SID << 8 | 0x8d)
+
+#define PM8350B_ADC7_VPH_PWR			(PM8350B_SID << 8 | 0x8e)
+#define PM8350B_ADC7_VBAT_SNS			(PM8350B_SID << 8 | 0x8f)
+
+#define PM8350B_ADC7_SBUx			(PM8350B_SID << 8 | 0x94)
+#define PM8350B_ADC7_VBAT_2S_MID		(PM8350B_SID << 8 | 0x96)
+
+#endif /* _DT_BINDINGS_QCOM_SPMI_VADC_PM8350B_H */
diff --git a/include/dt-bindings/iio/qcom,spmi-adc7-pmk8350.h b/include/dt-bindings/iio/qcom,spmi-adc7-pmk8350.h
new file mode 100644
index 0000000..6c29687
--- /dev/null
+++ b/include/dt-bindings/iio/qcom,spmi-adc7-pmk8350.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020 The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_QCOM_SPMI_VADC_PMK8350_H
+#define _DT_BINDINGS_QCOM_SPMI_VADC_PMK8350_H
+
+#ifndef PMK8350_SID
+#define PMK8350_SID					0
+#endif
+
+/* ADC channels for PMK8350_ADC for PMIC7 */
+#define PMK8350_ADC7_REF_GND			(PMK8350_SID << 8 | 0x0)
+#define PMK8350_ADC7_1P25VREF			(PMK8350_SID << 8 | 0x01)
+#define PMK8350_ADC7_VREF_VADC			(PMK8350_SID << 8 | 0x02)
+#define PMK8350_ADC7_DIE_TEMP			(PMK8350_SID << 8 | 0x03)
+
+#define PMK8350_ADC7_AMUX_THM1			(PMK8350_SID << 8 | 0x04)
+#define PMK8350_ADC7_AMUX_THM2			(PMK8350_SID << 8 | 0x05)
+#define PMK8350_ADC7_AMUX_THM3			(PMK8350_SID << 8 | 0x06)
+#define PMK8350_ADC7_AMUX_THM4			(PMK8350_SID << 8 | 0x07)
+#define PMK8350_ADC7_AMUX_THM5			(PMK8350_SID << 8 | 0x08)
+
+/* 30k pull-up1 */
+#define PMK8350_ADC7_AMUX_THM1_30K_PU		(PMK8350_SID << 8 | 0x24)
+#define PMK8350_ADC7_AMUX_THM2_30K_PU		(PMK8350_SID << 8 | 0x25)
+#define PMK8350_ADC7_AMUX_THM3_30K_PU		(PMK8350_SID << 8 | 0x26)
+#define PMK8350_ADC7_AMUX_THM4_30K_PU		(PMK8350_SID << 8 | 0x27)
+#define PMK8350_ADC7_AMUX_THM5_30K_PU		(PMK8350_SID << 8 | 0x28)
+
+/* 100k pull-up2 */
+#define PMK8350_ADC7_AMUX_THM1_100K_PU		(PMK8350_SID << 8 | 0x44)
+#define PMK8350_ADC7_AMUX_THM2_100K_PU		(PMK8350_SID << 8 | 0x45)
+#define PMK8350_ADC7_AMUX_THM3_100K_PU		(PMK8350_SID << 8 | 0x46)
+#define PMK8350_ADC7_AMUX_THM4_100K_PU		(PMK8350_SID << 8 | 0x47)
+#define PMK8350_ADC7_AMUX_THM5_100K_PU		(PMK8350_SID << 8 | 0x48)
+
+/* 400k pull-up3 */
+#define PMK8350_ADC7_AMUX_THM1_400K_PU		(PMK8350_SID << 8 | 0x64)
+#define PMK8350_ADC7_AMUX_THM2_400K_PU		(PMK8350_SID << 8 | 0x65)
+#define PMK8350_ADC7_AMUX_THM3_400K_PU		(PMK8350_SID << 8 | 0x66)
+#define PMK8350_ADC7_AMUX_THM4_400K_PU		(PMK8350_SID << 8 | 0x67)
+#define PMK8350_ADC7_AMUX_THM5_400K_PU		(PMK8350_SID << 8 | 0x68)
+
+#endif /* _DT_BINDINGS_QCOM_SPMI_VADC_PMK8350_H */
diff --git a/include/dt-bindings/iio/qcom,spmi-adc7-pmr735a.h b/include/dt-bindings/iio/qcom,spmi-adc7-pmr735a.h
new file mode 100644
index 0000000..d6df1b1
--- /dev/null
+++ b/include/dt-bindings/iio/qcom,spmi-adc7-pmr735a.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020 The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_QCOM_SPMI_VADC_PMR735A_H
+#define _DT_BINDINGS_QCOM_SPMI_VADC_PMR735A_H
+
+#ifndef PMR735A_SID
+#define PMR735A_SID					4
+#endif
+
+/* ADC channels for PMR735A_ADC for PMIC7 */
+#define PMR735A_ADC7_REF_GND			(PMR735A_SID << 8 | 0x0)
+#define PMR735A_ADC7_1P25VREF			(PMR735A_SID << 8 | 0x01)
+#define PMR735A_ADC7_VREF_VADC			(PMR735A_SID << 8 | 0x02)
+#define PMR735A_ADC7_DIE_TEMP			(PMR735A_SID << 8 | 0x03)
+
+#define PMR735A_ADC7_GPIO1			(PMR735A_SID << 8 | 0x0a)
+#define PMR735A_ADC7_GPIO2			(PMR735A_SID << 8 | 0x0b)
+#define PMR735A_ADC7_GPIO3			(PMR735A_SID << 8 | 0x0c)
+
+/* 100k pull-up2 */
+#define PMR735A_ADC7_GPIO1_100K_PU		(PMR735A_SID << 8 | 0x4a)
+#define PMR735A_ADC7_GPIO2_100K_PU		(PMR735A_SID << 8 | 0x4b)
+#define PMR735A_ADC7_GPIO3_100K_PU		(PMR735A_SID << 8 | 0x4c)
+
+#endif /* _DT_BINDINGS_QCOM_SPMI_VADC_PMR735A_H */
diff --git a/include/dt-bindings/iio/qcom,spmi-adc7-pmr735b.h b/include/dt-bindings/iio/qcom,spmi-adc7-pmr735b.h
new file mode 100644
index 0000000..8da0e7d
--- /dev/null
+++ b/include/dt-bindings/iio/qcom,spmi-adc7-pmr735b.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020 The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_QCOM_SPMI_VADC_PMR735B_H
+#define _DT_BINDINGS_QCOM_SPMI_VADC_PMR735B_H
+
+#ifndef PMR735B_SID
+#define PMR735B_SID					5
+#endif
+
+/* ADC channels for PMR735B_ADC for PMIC7 */
+#define PMR735B_ADC7_REF_GND			(PMR735B_SID << 8 | 0x0)
+#define PMR735B_ADC7_1P25VREF			(PMR735B_SID << 8 | 0x01)
+#define PMR735B_ADC7_VREF_VADC			(PMR735B_SID << 8 | 0x02)
+#define PMR735B_ADC7_DIE_TEMP			(PMR735B_SID << 8 | 0x03)
+
+#define PMR735B_ADC7_GPIO1			(PMR735B_SID << 8 | 0x0a)
+#define PMR735B_ADC7_GPIO2			(PMR735B_SID << 8 | 0x0b)
+#define PMR735B_ADC7_GPIO3			(PMR735B_SID << 8 | 0x0c)
+
+/* 100k pull-up2 */
+#define PMR735B_ADC7_GPIO1_100K_PU		(PMR735B_SID << 8 | 0x4a)
+#define PMR735B_ADC7_GPIO2_100K_PU		(PMR735B_SID << 8 | 0x4b)
+#define PMR735B_ADC7_GPIO3_100K_PU		(PMR735B_SID << 8 | 0x4c)
+
+#endif /* _DT_BINDINGS_QCOM_SPMI_VADC_PMR735B_H */
diff --git a/include/dt-bindings/iio/qcom,spmi-vadc.h b/include/dt-bindings/iio/qcom,spmi-vadc.h
index 61d556d..08adfe2 100644
--- a/include/dt-bindings/iio/qcom,spmi-vadc.h
+++ b/include/dt-bindings/iio/qcom,spmi-vadc.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 /*
- * Copyright (c) 2012-2014,2018 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2014,2018,2020 The Linux Foundation. All rights reserved.
  */
 
 #ifndef _DT_BINDINGS_QCOM_SPMI_VADC_H
@@ -221,4 +221,80 @@
 
 #define ADC5_MAX_CHANNEL			0xc0
 
+/* ADC channels for ADC for PMIC7 */
+
+#define ADC7_REF_GND				0x00
+#define ADC7_1P25VREF				0x01
+#define ADC7_VREF_VADC				0x02
+#define ADC7_DIE_TEMP				0x03
+
+#define ADC7_AMUX_THM1				0x04
+#define ADC7_AMUX_THM2				0x05
+#define ADC7_AMUX_THM3				0x06
+#define ADC7_AMUX_THM4				0x07
+#define ADC7_AMUX_THM5				0x08
+#define ADC7_AMUX_THM6				0x09
+#define ADC7_GPIO1				0x0a
+#define ADC7_GPIO2				0x0b
+#define ADC7_GPIO3				0x0c
+#define ADC7_GPIO4				0x0d
+
+#define ADC7_CHG_TEMP				0x10
+#define ADC7_USB_IN_V_16			0x11
+#define ADC7_VDC_16				0x12
+#define ADC7_CC1_ID				0x13
+#define ADC7_VREF_BAT_THERM			0x15
+#define ADC7_IIN_FB				0x17
+
+/* 30k pull-up1 */
+#define ADC7_AMUX_THM1_30K_PU			0x24
+#define ADC7_AMUX_THM2_30K_PU			0x25
+#define ADC7_AMUX_THM3_30K_PU			0x26
+#define ADC7_AMUX_THM4_30K_PU			0x27
+#define ADC7_AMUX_THM5_30K_PU			0x28
+#define ADC7_AMUX_THM6_30K_PU			0x29
+#define ADC7_GPIO1_30K_PU			0x2a
+#define ADC7_GPIO2_30K_PU			0x2b
+#define ADC7_GPIO3_30K_PU			0x2c
+#define ADC7_GPIO4_30K_PU			0x2d
+#define ADC7_CC1_ID_30K_PU			0x33
+
+/* 100k pull-up2 */
+#define ADC7_AMUX_THM1_100K_PU			0x44
+#define ADC7_AMUX_THM2_100K_PU			0x45
+#define ADC7_AMUX_THM3_100K_PU			0x46
+#define ADC7_AMUX_THM4_100K_PU			0x47
+#define ADC7_AMUX_THM5_100K_PU			0x48
+#define ADC7_AMUX_THM6_100K_PU			0x49
+#define ADC7_GPIO1_100K_PU			0x4a
+#define ADC7_GPIO2_100K_PU			0x4b
+#define ADC7_GPIO3_100K_PU			0x4c
+#define ADC7_GPIO4_100K_PU			0x4d
+#define ADC7_CC1_ID_100K_PU			0x53
+
+/* 400k pull-up3 */
+#define ADC7_AMUX_THM1_400K_PU			0x64
+#define ADC7_AMUX_THM2_400K_PU			0x65
+#define ADC7_AMUX_THM3_400K_PU			0x66
+#define ADC7_AMUX_THM4_400K_PU			0x67
+#define ADC7_AMUX_THM5_400K_PU			0x68
+#define ADC7_AMUX_THM6_400K_PU			0x69
+#define ADC7_GPIO1_400K_PU			0x6a
+#define ADC7_GPIO2_400K_PU			0x6b
+#define ADC7_GPIO3_400K_PU			0x6c
+#define ADC7_GPIO4_400K_PU			0x6d
+#define ADC7_CC1_ID_400K_PU			0x73
+
+/* 1/3 Divider */
+#define ADC7_GPIO1_DIV3				0x8a
+#define ADC7_GPIO2_DIV3				0x8b
+#define ADC7_GPIO3_DIV3				0x8c
+#define ADC7_GPIO4_DIV3				0x8d
+
+#define ADC7_VPH_PWR				0x8e
+#define ADC7_VBAT_SNS				0x8f
+
+#define ADC7_SBUx				0x94
+#define ADC7_VBAT_2S_MID			0x96
+
 #endif /* _DT_BINDINGS_QCOM_SPMI_VADC_H */
-- 
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