summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/iio
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/iio')
-rw-r--r--Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt1
-rw-r--r--Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt5
-rw-r--r--Documentation/devicetree/bindings/iio/st-sensors.txt1
-rw-r--r--Documentation/devicetree/bindings/iio/timer/stm32-timer-trigger.txt4
4 files changed, 10 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt
index e0a9b9d..c2c50b5 100644
--- a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt
@@ -6,6 +6,7 @@ Required properties:
- "rockchip,rk3066-tsadc": for rk3036
- "rockchip,rk3328-saradc", "rockchip,rk3399-saradc": for rk3328
- "rockchip,rk3399-saradc": for rk3399
+ - "rockchip,rv1108-saradc", "rockchip,rk3399-saradc": for rv1108
- reg: physical base address of the controller and length of memory mapped
region.
diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt
index 8310073..48bfcaa3 100644
--- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt
@@ -74,6 +74,11 @@ Optional properties:
* can be 6, 8, 10 or 12 on stm32f4
* can be 8, 10, 12, 14 or 16 on stm32h7
Default is maximum resolution if unset.
+- st,min-sample-time-nsecs: Minimum sampling time in nanoseconds.
+ Depending on hardware (board) e.g. high/low analog input source impedance,
+ fine tune of ADC sampling time may be recommended.
+ This can be either one value or an array that matches 'st,adc-channels' list,
+ to set sample time resp. for all channels, or independently for each channel.
Example:
adc: adc@40012000 {
diff --git a/Documentation/devicetree/bindings/iio/st-sensors.txt b/Documentation/devicetree/bindings/iio/st-sensors.txt
index 1e305f6..9ec6f5c 100644
--- a/Documentation/devicetree/bindings/iio/st-sensors.txt
+++ b/Documentation/devicetree/bindings/iio/st-sensors.txt
@@ -64,6 +64,7 @@ Magnetometers:
- st,lsm303dlhc-magn
- st,lsm303dlm-magn
- st,lis3mdl-magn
+- st,lis2mdl
Pressure sensors:
- st,lps001wp-press
diff --git a/Documentation/devicetree/bindings/iio/timer/stm32-timer-trigger.txt b/Documentation/devicetree/bindings/iio/timer/stm32-timer-trigger.txt
index 6abc755..b8e8c76 100644
--- a/Documentation/devicetree/bindings/iio/timer/stm32-timer-trigger.txt
+++ b/Documentation/devicetree/bindings/iio/timer/stm32-timer-trigger.txt
@@ -4,7 +4,9 @@ Must be a sub-node of an STM32 Timers device tree node.
See ../mfd/stm32-timers.txt for details about the parent node.
Required parameters:
-- compatible: Must be "st,stm32-timer-trigger".
+- compatible: Must be one of:
+ "st,stm32-timer-trigger"
+ "st,stm32h7-timer-trigger"
- reg: Identify trigger hardware block.
Example:
OpenPOWER on IntegriCloud