From: Jonathan Cameron <jic23@kernel.org>
To: Benjamin Gaignard <benjamin.gaignard@linaro.org>,
lee.jones@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com,
alexandre.torgue@st.com, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, thierry.reding@gmail.com,
linux-pwm@vger.kernel.org, knaack.h@gmx.de, lars@metafoo.de,
pmeerw@pmeerw.net, linux-iio@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Cc: fabrice.gasnier@st.com, gerald.baeza@st.com,
arnaud.pouliquen@st.com, linus.walleij@linaro.org,
linaro-kernel@lists.linaro.org,
Benjamin Gaignard <benjamin.gaignard@st.com>
Subject: Re: [PATCH v2 5/7] IIO: add bindings for stm32 IIO timer driver
Date: Sun, 27 Nov 2016 14:25:46 +0000 [thread overview]
Message-ID: <b2002a81-49fe-af2a-f13a-9f09831aa530@kernel.org> (raw)
In-Reply-To: <1480000463-9625-6-git-send-email-benjamin.gaignard@st.com>
On 24/11/16 15:14, Benjamin Gaignard wrote:
> 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 <benjamin.gaignard@st.com>
> ---
> .../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
Add a cross reference...
> +
> +Required parameters:
> +- compatible: must be "st,stm32-iio-timer"
st,stm32-adc-timer or something like that.
> +- 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
What are input / output triggers?
> +
> +Possible triggers are defined in include/dt-bindings/iio/timer/st,stm32-iio-timer.h
> +
> +Example:
> + gptimer1: gptimer1@40010000 {
> + compatible = "st,stm32-gptimer";
> + reg = <0x40010000 0x400>;
> + clocks = <&rcc 0 160>;
> + clock-names = "clk_int";
> +
> + pwm1@0 {
> + compatible = "st,stm32-pwm";
> + st,pwm-num-chan = <4>;
> + st,breakinput;
> + st,complementary;
> + };
> +
> + iiotimer1@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;
> + };
> + };
>
next prev parent reply other threads:[~2016-11-27 14:25 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-24 15:14 [PATCH v2 0/7] Add pwm and IIO timer drivers for stm32 Benjamin Gaignard
2016-11-24 15:14 ` [PATCH v2 1/7] MFD: add bindings for stm32 general purpose timer driver Benjamin Gaignard
2016-11-27 14:10 ` Jonathan Cameron
2016-11-27 15:41 ` Jonathan Cameron
2016-11-29 8:48 ` Benjamin Gaignard
2016-12-03 9:14 ` Jonathan Cameron
2016-11-24 15:14 ` [PATCH v2 2/7] MFD: add " Benjamin Gaignard
2016-11-24 15:14 ` [PATCH v2 3/7] PWM: add pwm-stm32 DT bindings Benjamin Gaignard
2016-11-27 14:19 ` Jonathan Cameron
2016-11-30 21:20 ` Rob Herring
2016-12-01 8:44 ` Benjamin Gaignard
2016-11-24 15:14 ` [PATCH v2 4/7] PWM: add pwm driver for stm32 plaftorm Benjamin Gaignard
2016-11-24 15:14 ` [PATCH v2 5/7] IIO: add bindings for stm32 IIO timer driver Benjamin Gaignard
2016-11-27 14:25 ` Jonathan Cameron [this message]
2016-11-27 15:45 ` Benjamin Gaignard
2016-11-27 15:51 ` Jonathan Cameron
2016-11-24 15:14 ` [PATCH v2 6/7] IIO: add STM32 " Benjamin Gaignard
2016-11-27 15:42 ` Jonathan Cameron
2016-11-29 9:46 ` Benjamin Gaignard
2016-12-03 9:28 ` Jonathan Cameron
2016-11-24 15:14 ` [PATCH v2 7/7] ARM: dts: stm32: add stm32 general purpose timer driver in DT Benjamin Gaignard
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