| Message ID | 1481199650-22484-2-git-send-email-benjamin.gaignard@st.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Sorry to do this Ben. Not much to do now though! > Add bindings information for STM32 General Purpose Timer > > version 2: > - rename stm32-mfd-timer to stm32-gptimer > - only keep one compatible string > > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com> > --- > .../bindings/mfd/stm32-general-purpose-timer.txt | 39 ++++++++++++++++++++++ > 1 file changed, 39 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt > > diff --git a/Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt b/Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt > new file mode 100644 > index 0000000..ce67755 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt > @@ -0,0 +1,39 @@ > +STM32 General Purpose Timer driver bindings This is a great place to describe what we're *actually* trying to achieve with this driver, and the worst place to use the term "general purpose", since this IP is so much more than that. "STM32 Timers This IP provides 3 types of timer along with PWM functionality. [...]" ... then go on to explain what the 3 types are and how they can be used. > +Required parameters: > +- compatible: must be "st,stm32-gptimer" I vehemently disagree that this entire IP is a GP Timer. It contains GP timers, sure, but it also contains Advanced and Basic timers. IMHO this compatible should be "st,stm32-timers". And the file name of both this and the *.c file should reflect that too. Remainder looks nice. > +- reg: Physical base address and length of the controller's > + registers. > +- clock-names: Set to "clk_int". > +- clocks: Phandle to the clock used by the timer module. > + For Clk properties, please refer to ../clock/clock-bindings.txt > + > +Optional parameters: > +- resets: Phandle to the parent reset controller. > + See ../reset/st,stm32-rcc.txt > + > +Optional subnodes: > +- pwm: See ../pwm/pwm-stm32.txt > +- timer: See ../iio/timer/stm32-timer-trigger.txt > + > +Example: > + timers@40010000 { > + #address-cells = <1>; > + #size-cells = <0>; > + compatible = "st,stm32-gptimer"; > + reg = <0x40010000 0x400>; > + clocks = <&rcc 0 160>; > + clock-names = "clk_int"; > + > + pwm@0 { Out of interest, do you use the "@0", "@1" for anything now? > + compatible = "st,stm32-pwm"; > + pinctrl-0 = <&pwm1_pins>; > + pinctrl-names = "default"; > + }; > + > + timer@0 { > + compatible = "st,stm32-timer-trigger"; > + reg = <0>; > + }; > + };
2016-12-09 9:53 GMT+01:00 Lee Jones <lee.jones@linaro.org>: > Sorry to do this Ben. Not much to do now though! > >> Add bindings information for STM32 General Purpose Timer >> >> version 2: >> - rename stm32-mfd-timer to stm32-gptimer >> - only keep one compatible string >> >> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com> >> --- >> .../bindings/mfd/stm32-general-purpose-timer.txt | 39 ++++++++++++++++++++++ >> 1 file changed, 39 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt >> >> diff --git a/Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt b/Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt >> new file mode 100644 >> index 0000000..ce67755 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt >> @@ -0,0 +1,39 @@ >> +STM32 General Purpose Timer driver bindings > > This is a great place to describe what we're *actually* trying to > achieve with this driver, and the worst place to use the term "general > purpose", since this IP is so much more than that. > > > "STM32 Timers > > This IP provides 3 types of timer along with PWM functionality. > > [...]" > > ... then go on to explain what the 3 types are and how they can be > used. > >> +Required parameters: >> +- compatible: must be "st,stm32-gptimer" > > I vehemently disagree that this entire IP is a GP Timer. It contains > GP timers, sure, but it also contains Advanced and Basic timers. > > IMHO this compatible should be "st,stm32-timers". > > And the file name of both this and the *.c file should reflect that > too. I will do those name changes in v6. > > Remainder looks nice. > >> +- reg: Physical base address and length of the controller's >> + registers. >> +- clock-names: Set to "clk_int". >> +- clocks: Phandle to the clock used by the timer module. >> + For Clk properties, please refer to ../clock/clock-bindings.txt >> + >> +Optional parameters: >> +- resets: Phandle to the parent reset controller. >> + See ../reset/st,stm32-rcc.txt >> + >> +Optional subnodes: >> +- pwm: See ../pwm/pwm-stm32.txt >> +- timer: See ../iio/timer/stm32-timer-trigger.txt >> + >> +Example: >> + timers@40010000 { >> + #address-cells = <1>; >> + #size-cells = <0>; >> + compatible = "st,stm32-gptimer"; >> + reg = <0x40010000 0x400>; >> + clocks = <&rcc 0 160>; >> + clock-names = "clk_int"; >> + >> + pwm@0 { > > Out of interest, do you use the "@0", "@1" for anything now? No I don't use them so I will remove them in v6 > >> + compatible = "st,stm32-pwm"; >> + pinctrl-0 = <&pwm1_pins>; >> + pinctrl-names = "default"; >> + }; >> + >> + timer@0 { >> + compatible = "st,stm32-timer-trigger"; >> + reg = <0>; >> + }; >> + }; > > -- > Lee Jones > Linaro STMicroelectronics Landing Team Lead > Linaro.org │ Open source software for ARM SoCs > Follow Linaro: Facebook | Twitter | Blog
diff --git a/Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt b/Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt new file mode 100644 index 0000000..ce67755 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt @@ -0,0 +1,39 @@ +STM32 General Purpose Timer driver bindings + +Required parameters: +- compatible: must be "st,stm32-gptimer" + +- reg: Physical base address and length of the controller's + registers. +- clock-names: Set to "clk_int". +- clocks: Phandle to the clock used by the timer module. + For Clk properties, please refer to ../clock/clock-bindings.txt + +Optional parameters: +- resets: Phandle to the parent reset controller. + See ../reset/st,stm32-rcc.txt + +Optional subnodes: +- pwm: See ../pwm/pwm-stm32.txt +- timer: See ../iio/timer/stm32-timer-trigger.txt + +Example: + timers@40010000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-gptimer"; + reg = <0x40010000 0x400>; + clocks = <&rcc 0 160>; + clock-names = "clk_int"; + + pwm@0 { + compatible = "st,stm32-pwm"; + pinctrl-0 = <&pwm1_pins>; + pinctrl-names = "default"; + }; + + timer@0 { + compatible = "st,stm32-timer-trigger"; + reg = <0>; + }; + };
Add bindings information for STM32 General Purpose Timer version 2: - rename stm32-mfd-timer to stm32-gptimer - only keep one compatible string Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com> --- .../bindings/mfd/stm32-general-purpose-timer.txt | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt