[PATCH 1/7] add binding for stm32 multifunctions timer driver
From: Benjamin Gaignard <hidden>
Date: 2016-11-22 16:13:56
Also in:
linux-devicetree, linux-iio, linux-pwm, lkml
Subsystem:
multifunction devices (mfd), open firmware and flattened device tree bindings, stm32 timer/lptimer drivers, the rest · Maintainers:
Lee Jones, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Fabrice Gasnier, Linus Torvalds
Add bindings information for stm32 timer MFD Signed-off-by: Benjamin Gaignard <redacted> --- .../devicetree/bindings/mfd/stm32-timer.txt | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/stm32-timer.txt
diff --git a/Documentation/devicetree/bindings/mfd/stm32-timer.txt b/Documentation/devicetree/bindings/mfd/stm32-timer.txt
new file mode 100644
index 0000000..3cefce1
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/stm32-timer.txt@@ -0,0 +1,53 @@ +STM32 multifunctions timer driver + +stm32 timer MFD allow to handle at the same time pwm and IIO timer devices + +Required parameters: +- compatible: must be one of the follow value: + "st,stm32-mfd-timer1" + "st,stm32-mfd-timer2" + "st,stm32-mfd-timer3" + "st,stm32-mfd-timer4" + "st,stm32-mfd-timer5" + "st,stm32-mfd-timer6" + "st,stm32-mfd-timer7" + "st,stm32-mfd-timer8" + "st,stm32-mfd-timer9" + "st,stm32-mfd-timer10" + "st,stm32-mfd-timer11" + "st,stm32-mfd-timer12" + "st,stm32-mfd-timer13" + "st,stm32-mfd-timer14" + +- reg : Physical base address and length of the controller's + registers. +- clock-names: Set to "mfd_timer_clk". +- clocks: Phandle of the clock used by the timer module. + For Clk properties, please refer to [1]. +- interrupts : Reference to the timer interrupt + +Optional parameters: +- resets : Reference to a reset controller asserting the timer + +Optional subnodes: +- pwm: See Documentation/devicetree/bindings/pwm/pwm-stm32.txt +- iiotimer: See Documentation/devicetree/bindings/iio/timer/stm32-iio-timer.txt + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Example: + mfd_timer1: mfdtimer1 at 40010000 { + compatible = "st,stm32-mfd-timer1"; + reg = <0x40010000 0x400>; + clocks = <&rcc 0 160>; + clock-names = "mfd_timer_clk"; + interrupts = <27>; + + pwm1: pwm1 at 40010000 { + compatible = "st,stm32-pwm1"; + }; + + iiotimer1: iiotimer1 at 40010000 { + compatible = "st,stm32-iio-timer1"; + }; + };
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1.9.1