From mboxrd@z Thu Jan 1 00:00:00 1970 From: fabrice.gasnier@st.com (Fabrice Gasnier) Date: Fri, 7 Jul 2017 18:31:04 +0200 Subject: [PATCH v3 5/9] dt-bindings: iio: Add STM32 LPTimer trigger binding In-Reply-To: <1499445068-7037-1-git-send-email-fabrice.gasnier@st.com> References: <1499445068-7037-1-git-send-email-fabrice.gasnier@st.com> Message-ID: <1499445068-7037-6-git-send-email-fabrice.gasnier@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add documentation for STMicroelectronics STM32 Low-Power Timer Trigger binding. Signed-off-by: Fabrice Gasnier Acked-by: Jonathan Cameron --- 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