summaryrefslogtreecommitdiffstats
path: root/Documentation
diff options
context:
space:
mode:
authorJonathan Cameron <Jonathan.Cameron@huawei.com>2020-10-31 18:29:19 +0000
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2020-11-16 20:31:25 +0000
commitb25e67b29078d11a9be46f6bdb8b09f278c654ca (patch)
tree9da8c40108183e51c6b9178b4ba967b06f34667f /Documentation
parent6d3766da16a39c2be19ce4f58c663ec245aea7f0 (diff)
downloadlinux-b25e67b29078d11a9be46f6bdb8b09f278c654ca.tar.bz2
dt-bindings:iio:potentiometer:maxim,max5481 move to trivial devices
Simple SPI binding that doesn't need a separate file. During conversion I looked up the individual part number descriptions in the datasheet so that we could give slightly more detail in trivial-device.yaml. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Slawomir Stepien <sst@poczta.fm> Reviewed-by: Rob Herring <robh@kernel.org> Cc: Maury Anderson <maury.anderson@rockwellcollins.com> Cc: Matthew Weber <matthew.weber@rockwellcollins.com> Cc: Slawomir Stepien <sst@poczta.fm> Link: https://lore.kernel.org/r/20201031182922.743153-5-jic23@kernel.org
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/iio/potentiometer/max5481.txt23
-rw-r--r--Documentation/devicetree/bindings/trivial-devices.yaml8
2 files changed, 8 insertions, 23 deletions
diff --git a/Documentation/devicetree/bindings/iio/potentiometer/max5481.txt b/Documentation/devicetree/bindings/iio/potentiometer/max5481.txt
deleted file mode 100644
index 6a91b106e076..000000000000
--- a/Documentation/devicetree/bindings/iio/potentiometer/max5481.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-* Maxim Linear-Taper Digital Potentiometer MAX5481-MAX5484
-
-The node for this driver must be a child node of a SPI controller, hence
-all mandatory properties described in
-
- Documentation/devicetree/bindings/spi/spi-bus.txt
-
-must be specified.
-
-Required properties:
- - compatible: Must be one of the following, depending on the
- model:
- "maxim,max5481"
- "maxim,max5482"
- "maxim,max5483"
- "maxim,max5484"
-
-Example:
-max548x: max548x@0 {
- compatible = "maxim,max5482";
- spi-max-frequency = <7000000>;
- reg = <0>; /* chip-select */
-};
diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index dc5221acbae5..0191dce4ccf5 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -126,6 +126,14 @@ properties:
- maxim,max1231
# Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
- maxim,max1237
+ # 10-bit 10 kOhm linear programable voltage divider
+ - maxim,max5481
+ # 10-bit 50 kOhm linear programable voltage divider
+ - maxim,max5482
+ # 10-bit 10 kOhm linear programable variable resistor
+ - maxim,max5483
+ # 10-bit 50 kOhm linear programable variable resistor
+ - maxim,max5484
# PECI-to-I2C translator for PECI-to-SMBus/I2C protocol conversion
- maxim,max6621
# 9-Bit/12-Bit Temperature Sensors with I²C-Compatible Serial Interface