[PATCH v3 5/9] dt-bindings: iio: Add STM32 LPTimer trigger binding
From: Fabrice Gasnier <hidden>
Date: 2017-07-07 16:32:56
Also in:
linux-devicetree, linux-iio, linux-pwm, lkml
Subsystem:
iio subsystem and drivers, open firmware and flattened device tree bindings, stm32 timer/lptimer drivers, the rest · Maintainers:
Jonathan Cameron, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Fabrice Gasnier, Linus Torvalds
Add documentation for STMicroelectronics STM32 Low-Power Timer Trigger binding. Signed-off-by: Fabrice Gasnier <redacted> Acked-by: Jonathan Cameron <jic23@kernel.org> --- Changes in v3: - Rob's comments: node name timer at ..., update reg property description Changes in v2: - s/Low Power/Low-Power - remove leading 0x in example (parent node) - improve reg property description --- .../bindings/iio/timer/stm32-lptimer-trigger.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt
diff --git a/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt b/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt
new file mode 100644
index 0000000..85e6806
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt@@ -0,0 +1,23 @@ +STMicroelectronics STM32 Low-Power Timer Trigger + +STM32 Low-Power Timer provides trigger source (LPTIM output) that can be used +by STM32 internal ADC and/or DAC. + +Must be a sub-node of an STM32 Low-Power Timer device tree node. +See ../mfd/stm32-lptimer.txt for details about the parent node. + +Required properties: +- compatible: Must be "st,stm32-lptimer-trigger". +- reg: Identify trigger hardware block. Must be 0, 1 or 2 + respectively for lptimer1, lptimer2 or lptimer3 + trigger output. + +Example: + timer at 40002400 { + compatible = "st,stm32-lptimer"; + ... + trigger at 0 { + compatible = "st,stm32-lptimer-trigger"; + reg = <0>; + }; + };
--
1.9.1