diff --git a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.txt b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.txt
index 0fb46137f9369c5c5e94080356e326e450551c06..8498f11d06cde87214b4de070373607bef30e43a 100644
--- a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.txt
@@ -1,7 +1,9 @@
-Qualcomm's SPMI PMIC voltage ADC
+Qualcomm's SPMI PMIC ADC
-SPMI PMIC voltage ADC (VADC) provides interface to clients to read
-voltage. The VADC is a 15-bit sigma-delta ADC.
+- 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
+ voltage. The VADC is a 16-bit sigma-delta ADC.
VADC node:
@@ -9,6 +11,8 @@ VADC node:
Usage: required
Value type: <string>
Definition: Should contain "qcom,spmi-vadc".
+ Should contain "qcom,spmi-adc5" for PMIC5 ADC driver.
+ Should contain "qcom,spmi-adc-rev2" for PMIC rev2 ADC driver.
- reg:
Usage: required
@@ -45,13 +49,26 @@ Channel node properties:
Definition: ADC channel number.
See include/dt-bindings/iio/qcom,spmi-vadc.h
+- label:
+ Usage: required for "qcom,spmi-adc5" and "qcom,spmi-adc-rev2"
+ Value type: <empty>
+ Definition: ADC input of the platform as seen in the schematics.
+ For thermistor inputs connected to generic AMUX or GPIO inputs
+ these can vary across platform for the same pins. Hence select
+ the platform schematics name for this channel.
+
- qcom,decimation:
Usage: optional
Value type: <u32>
Definition: This parameter is used to decrease ADC sampling rate.
Quicker measurements can be made by reducing decimation ratio.
- Valid values are 512, 1024, 2048, 4096.
- If property is not found, default value of 512 will be used.
+ - For compatible property "qcom,spmi-vadc", valid values are
+ 512, 1024, 2048, 4096. If property is not found, default value
+ of 512 will be used.
+ - For compatible property "qcom,spmi-adc5", valid values are 250, 420
+ and 840. If property is not found, default value of 840 is used.
+ - For compatible property "qcom,spmi-adc-rev2", valid values are 256,
+ 512 and 1024. If property is not present, default value is 1024.
- qcom,pre-scaling:
Usage: optional
@@ -66,21 +83,38 @@ Channel node properties:
- qcom,ratiometric:
Usage: optional
Value type: <empty>
- Definition: Channel calibration type. If this property is specified
- VADC will use the VDD reference (1.8V) and GND for channel
- calibration. If property is not found, channel will be
- calibrated with 0.625V and 1.25V reference channels, also
- known as absolute calibration.
+ Definition: Channel calibration type.
+ - For compatible property "qcom,spmi-vadc", if this property is
+ specified VADC will use the VDD reference (1.8V) and GND for
+ 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.
- qcom,hw-settle-time:
Usage: optional
Value type: <u32>
Definition: Time between AMUX getting configured and the ADC starting
- conversion. Delay = 100us * (value) for value < 11, and
- 2ms * (value - 10) otherwise.
- Valid values are: 0, 100, 200, 300, 400, 500, 600, 700, 800,
- 900 us and 1, 2, 4, 6, 8, 10 ms
- If property is not found, channel will use 0us.
+ conversion. The 'hw_settle_time' is an index used from valid values
+ and programmed in hardware to achieve the hardware settling delay.
+ - For compatible property "qcom,spmi-vadc" and "qcom,spmi-adc-rev2",
+ Delay = 100us * (hw_settle_time) for hw_settle_time < 11,
+ and 2ms * (hw_settle_time - 10) otherwise.
+ Valid values are: 0, 100, 200, 300, 400, 500, 600, 700, 800,
+ 900 us and 1, 2, 4, 6, 8, 10 ms.
+ If property is not found, channel will use 0us.
+ - For compatible property "qcom,spmi-adc5", delay = 15us for
+ value 0, 100us * (value) for values < 11,
+ and 2ms * (value - 10) otherwise.
+ Valid values are: 15, 100, 200, 300, 400, 500, 600, 700, 800,
+ 900 us and 1, 2, 4, 6, 8, 10 ms
+ Certain controller digital versions have valid values of
+ 15, 100, 200, 300, 400, 500, 600, 700, 1, 2, 4, 8, 16, 32, 64, 128 ms
+ If property is not found, channel will use 15us.
- qcom,avg-samples:
Usage: optional
@@ -89,13 +123,18 @@ Channel node properties:
Averaging provides the option to obtain a single measurement
from the ADC that is an average of multiple samples. The value
selected is 2^(value).
- Valid values are: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512
- If property is not found, 1 sample will be used.
+ - For compatible property "qcom,spmi-vadc", valid values
+ are: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512
+ If property is not found, 1 sample will be used.
+ - For compatible property "qcom,spmi-adc5" and "qcom,spmi-adc-rev2",
+ valid values are: 1, 2, 4, 8, 16
+ If property is not found, 1 sample will be used.
NOTE:
-Following channels, also known as reference point channels, are used for
-result calibration and their channel configuration nodes should be defined:
+For compatible property "qcom,spmi-vadc" following channels, also known as
+reference point channels, are used for result calibration and their channel
+configuration nodes should be defined:
VADC_REF_625MV and/or VADC_SPARE1(based on PMIC version) VADC_REF_1250MV,
VADC_GND_REF and VADC_VDD_VADC.
diff --git a/include/dt-bindings/iio/qcom,spmi-vadc.h b/include/dt-bindings/iio/qcom,spmi-vadc.h
index 42121fa238fafbf96919b3b93678f949d9e69d22..bf54b5adc065ef0f859d2ee3a6400d4a15c293ce 100644
--- a/include/dt-bindings/iio/qcom,spmi-vadc.h
+++ b/include/dt-bindings/iio/qcom,spmi-vadc.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2014,2018 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -116,4 +116,117 @@
#define VADC_LR_MUX10_PU1_PU2_AMUX_USB_ID 0xf9
#define VADC_LR_MUX3_BUF_PU1_PU2_XO_THERM 0xfc
+/* ADC channels for SPMI PMIC5 */
+
+#define ADC5_REF_GND 0x00
+#define ADC5_1P25VREF 0x01
+#define ADC5_VREF_VADC 0x02
+#define ADC5_VREF_VADC5_DIV_3 0x82
+#define ADC5_VPH_PWR 0x83
+#define ADC5_VBAT_SNS 0x84
+#define ADC5_VCOIN 0x85
+#define ADC5_DIE_TEMP 0x06
+#define ADC5_USB_IN_I 0x07
+#define ADC5_USB_IN_V_16 0x08
+#define ADC5_CHG_TEMP 0x09
+#define ADC5_BAT_THERM 0x0a
+#define ADC5_BAT_ID 0x0b
+#define ADC5_XO_THERM 0x0c
+#define ADC5_AMUX_THM1 0x0d
+#define ADC5_AMUX_THM2 0x0e
+#define ADC5_AMUX_THM3 0x0f
+#define ADC5_AMUX_THM4 0x10
+#define ADC5_AMUX_THM5 0x11
+#define ADC5_GPIO1 0x12
+#define ADC5_GPIO2 0x13
+#define ADC5_GPIO3 0x14
+#define ADC5_GPIO4 0x15
+#define ADC5_GPIO5 0x16
+#define ADC5_GPIO6 0x17
+#define ADC5_GPIO7 0x18
+#define ADC5_SBUx 0x99
+#define ADC5_MID_CHG_DIV6 0x1e
+#define ADC5_OFF 0xff
+
+/* 30k pull-up1 */
+#define ADC5_BAT_THERM_30K_PU 0x2a
+#define ADC5_BAT_ID_30K_PU 0x2b
+#define ADC5_XO_THERM_30K_PU 0x2c
+#define ADC5_AMUX_THM1_30K_PU 0x2d
+#define ADC5_AMUX_THM2_30K_PU 0x2e
+#define ADC5_AMUX_THM3_30K_PU 0x2f
+#define ADC5_AMUX_THM4_30K_PU 0x30
+#define ADC5_AMUX_THM5_30K_PU 0x31
+#define ADC5_GPIO1_30K_PU 0x32
+#define ADC5_GPIO2_30K_PU 0x33
+#define ADC5_GPIO3_30K_PU 0x34
+#define ADC5_GPIO4_30K_PU 0x35
+#define ADC5_GPIO5_30K_PU 0x36
+#define ADC5_GPIO6_30K_PU 0x37
+#define ADC5_GPIO7_30K_PU 0x38
+#define ADC5_SBUx_30K_PU 0x39
+
+/* 100k pull-up2 */
+#define ADC5_BAT_THERM_100K_PU 0x4a
+#define ADC5_BAT_ID_100K_PU 0x4b
+#define ADC5_XO_THERM_100K_PU 0x4c
+#define ADC5_AMUX_THM1_100K_PU 0x4d
+#define ADC5_AMUX_THM2_100K_PU 0x4e
+#define ADC5_AMUX_THM3_100K_PU 0x4f
+#define ADC5_AMUX_THM4_100K_PU 0x50
+#define ADC5_AMUX_THM5_100K_PU 0x51
+#define ADC5_GPIO1_100K_PU 0x52
+#define ADC5_GPIO2_100K_PU 0x53
+#define ADC5_GPIO3_100K_PU 0x54
+#define ADC5_GPIO4_100K_PU 0x55
+#define ADC5_GPIO5_100K_PU 0x56
+#define ADC5_GPIO6_100K_PU 0x57
+#define ADC5_GPIO7_100K_PU 0x58
+#define ADC5_SBUx_100K_PU 0x59
+
+/* 400k pull-up3 */
+#define ADC5_BAT_THERM_400K_PU 0x6a
+#define ADC5_BAT_ID_400K_PU 0x6b
+#define ADC5_XO_THERM_400K_PU 0x6c
+#define ADC5_AMUX_THM1_400K_PU 0x6d
+#define ADC5_AMUX_THM2_400K_PU 0x6e
+#define ADC5_AMUX_THM3_400K_PU 0x6f
+#define ADC5_AMUX_THM4_400K_PU 0x70
+#define ADC5_AMUX_THM5_400K_PU 0x71
+#define ADC5_GPIO1_400K_PU 0x72
+#define ADC5_GPIO2_400K_PU 0x73
+#define ADC5_GPIO3_400K_PU 0x74
+#define ADC5_GPIO4_400K_PU 0x75
+#define ADC5_GPIO5_400K_PU 0x76
+#define ADC5_GPIO6_400K_PU 0x77
+#define ADC5_GPIO7_400K_PU 0x78
+#define ADC5_SBUx_400K_PU 0x79
+
+/* 1/3 Divider */
+#define ADC5_GPIO1_DIV3 0x92
+#define ADC5_GPIO2_DIV3 0x93
+#define ADC5_GPIO3_DIV3 0x94
+#define ADC5_GPIO4_DIV3 0x95
+#define ADC5_GPIO5_DIV3 0x96
+#define ADC5_GPIO6_DIV3 0x97
+#define ADC5_GPIO7_DIV3 0x98
+#define ADC5_SBUx_DIV3 0x99
+
+/* Current and combined current/voltage channels */
+#define ADC5_INT_EXT_ISENSE 0xa1
+#define ADC5_PARALLEL_ISENSE 0xa5
+#define ADC5_CUR_REPLICA_VDS 0xa7
+#define ADC5_CUR_SENS_BATFET_VDS_OFFSET 0xa9
+#define ADC5_CUR_SENS_REPLICA_VDS_OFFSET 0xab
+#define ADC5_EXT_SENS_OFFSET 0xad
+
+#define ADC5_INT_EXT_ISENSE_VBAT_VDATA 0xb0
+#define ADC5_INT_EXT_ISENSE_VBAT_IDATA 0xb1
+#define ADC5_EXT_ISENSE_VBAT_VDATA 0xb2
+#define ADC5_EXT_ISENSE_VBAT_IDATA 0xb3
+#define ADC5_PARALLEL_ISENSE_VBAT_VDATA 0xb4
+#define ADC5_PARALLEL_ISENSE_VBAT_IDATA 0xb5
+
+#define ADC5_MAX_CHANNEL 0xc0
+
#endif /* _DT_BINDINGS_QCOM_SPMI_VADC_H */