From mboxrd@z Thu Jan 1 00:00:00 1970 From: benjamin.gaignard@linaro.org (Benjamin Gaignard) Date: Thu, 24 Nov 2016 16:14:21 +0100 Subject: [PATCH v2 5/7] IIO: add bindings for stm32 IIO timer driver In-Reply-To: <1480000463-9625-1-git-send-email-benjamin.gaignard@st.com> References: <1480000463-9625-1-git-send-email-benjamin.gaignard@st.com> Message-ID: <1480000463-9625-6-git-send-email-benjamin.gaignard@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Define bindings for stm32 IIO timer version 2: - only keep one compatible - add DT parameters to set lists of the triggers: one list describe the triggers created by the device another one give the triggers accepted by the device Signed-off-by: Benjamin Gaignard --- .../bindings/iio/timer/stm32-iio-timer.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/timer/stm32-iio-timer.txt diff --git a/Documentation/devicetree/bindings/iio/timer/stm32-iio-timer.txt b/Documentation/devicetree/bindings/iio/timer/stm32-iio-timer.txt new file mode 100644 index 0000000..840b417 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/timer/stm32-iio-timer.txt @@ -0,0 +1,41 @@ +timer IIO trigger bindings for STM32 + +Must be a sub-node of STM32 general purpose timer driver + +Required parameters: +- compatible: must be "st,stm32-iio-timer" +- interrupts: Interrupt for this device + See ../interrupt-controller/st,stm32-exti.txt + +Optional parameters: +- st,input-triggers-names: List of the possible input triggers for + the device +- st,output-triggers-names: List of the possible output triggers for + the device + +Possible triggers are defined in include/dt-bindings/iio/timer/st,stm32-iio-timer.h + +Example: + gptimer1: gptimer1 at 40010000 { + compatible = "st,stm32-gptimer"; + reg = <0x40010000 0x400>; + clocks = <&rcc 0 160>; + clock-names = "clk_int"; + + pwm1 at 0 { + compatible = "st,stm32-pwm"; + st,pwm-num-chan = <4>; + st,breakinput; + st,complementary; + }; + + iiotimer1 at 0 { + compatible = "st,stm32-iio-timer"; + interrupts = <27>; + st,input-triggers-names = TIM5_TRGO, + TIM2_TRGO, + TIM4_TRGO, + TIM3_TRGO; + st,output-triggers-names = TIM1_TRGO; + }; + }; -- 1.9.1