[PATCH 7/7] add stm32 multi-functions timer driver in DT

Alexandre Torgue alexandre.torgue at st.com
Tue Nov 22 09:00:07 PST 2016


Hi Benjamin,

On 11/22/2016 05:13 PM, Benjamin Gaignard wrote:
> Add timers MFD and childs into DT for stm32f4.
> Define and enable pwm1 and pwm3 for stm32f469 discovery board
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard at st.com>

If you have to send a v2 for this series please change commit header by: 
"ARM: dts: stm32: ..." (if not I will do it by myself)

> ---
>  arch/arm/boot/dts/stm32f429.dtsi      | 246 ++++++++++++++++++++++++++++++++++
>  arch/arm/boot/dts/stm32f469-disco.dts |  29 ++++
>  2 files changed, 275 insertions(+)
>
> diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
> index bca491d..28a0fe9 100644
> --- a/arch/arm/boot/dts/stm32f429.dtsi
> +++ b/arch/arm/boot/dts/stm32f429.dtsi
> @@ -355,6 +355,21 @@
>  					slew-rate = <2>;
>  				};
>  			};
> +
> +			pwm1_pins: pwm at 1 {
> +				pins {
> +					pinmux = <STM32F429_PA8_FUNC_TIM1_CH1>,
> +						 <STM32F429_PB13_FUNC_TIM1_CH1N>,
> +						 <STM32F429_PB12_FUNC_TIM1_BKIN>;
> +				};
> +			};
> +
> +			pwm3_pins: pwm at 3 {
> +				pins {
> +					pinmux = <STM32F429_PB4_FUNC_TIM3_CH1>,
> +						 <STM32F429_PB5_FUNC_TIM3_CH2>;
> +				};
> +			};
>  		};
>
>  		rcc: rcc at 40023810 {
> @@ -426,6 +441,237 @@
>  			interrupts = <80>;
>  			clocks = <&rcc 0 38>;
>  		};
> +
> +		mfd_timer1: mfdtimer1 at 40010000 {
> +			compatible = "st,stm32-mfd-timer1";
> +			reg = <0x40010000 0x400>;
> +			clocks = <&rcc 0 160>;
> +			clock-names = "mfd_timer_clk";
> +			interrupts = <27>;
> +			status = "disabled";
> +
> +			pwm1: pwm1 at 40010000 {
> +				compatible = "st,stm32-pwm1";
> +				status = "disabled";
> +			};
> +
> +			iiotimer1: iiotimer1 at 40010000 {
> +				compatible = "st,stm32-iio-timer1";
> +				status = "disabled";
> +			};
> +		};
> +
> +		mfd_timer2: mfdtimer2 at 40000000 {
> +			compatible = "st,stm32-mfd-timer2";
> +			reg = <0x40000000 0x400>;
> +			clocks = <&rcc 0 128>;
> +			clock-names = "mfd_timer_clk";
> +			interrupts = <28>;
> +			status = "disabled";
> +
> +			pwm2: pwm2 at 40000000 {
> +				compatible = "st,stm32-pwm2";
> +				status = "disabled";
> +			};
> +			iiotimer2: iiotimer2 at 40000000 {
> +				compatible = "st,stm32-iio-timer2";
> +				status = "disabled";
> +			};
> +		};
> +
> +		mfd_timer3: mfdtimer3 at 40000400 {
> +			compatible = "st,stm32-mfd-timer3";
> +			reg = <0x40000400 0x400>;
> +			clocks = <&rcc 0 129>;
> +			clock-names = "mfd_timer_clk";
> +			interrupts = <29>;
> +			status = "disabled";
> +
> +			pwm3: pwm3 at 40000400 {
> +				compatible = "st,stm32-pwm3";
> +				status = "disabled";
> +			};
> +			iiotimer3: iiotimer3 at 40000400 {
> +				compatible = "st,stm32-iio-timer3";
> +				status = "disabled";
> +			};
> +		};
> +
> +		mfd_timer4: mfdtimer4 at 40000800 {
> +			compatible = "st,stm32-mfd-timer4";
> +			reg = <0x40000800 0x400>;
> +			clocks = <&rcc 0 130>;
> +			clock-names = "mfd_timer_clk";
> +			interrupts = <30>;
> +			status = "disabled";
> +
> +			pwm4: pwm4 at 40000800 {
> +				compatible = "st,stm32-pwm4";
> +				status = "disabled";
> +			};
> +			iiotimer4: iiotimer4 at 40000800 {
> +				compatible = "st,stm32-iio-timer4";
> +				status = "disabled";
> +			};
> +		};
> +
> +		mfd_timer5: mfdtimer5 at 40000C00 {
> +			compatible = "st,stm32-mfd-timer5";
> +			reg = <0x40000C00 0x400>;
> +			clocks = <&rcc 0 131>;
> +			clock-names = "mfd_timer_clk";
> +			interrupts = <50>;
> +			status = "disabled";
> +
> +			pwm5: pwm5 at 40000C00 {
> +				compatible = "st,stm32-pwm5";
> +				status = "disabled";
> +			};
> +			iiotimer5: iiotimer5 at 40000800 {
> +				compatible = "st,stm32-iio-timer5";
> +				status = "disabled";
> +			};
> +		};
> +
> +		mfd_timer6: mfdtimer6 at 40001000 {
> +			compatible = "st,stm32-mfd-timer6";
> +			reg = <0x40001000 0x400>;
> +			clocks = <&rcc 0 132>;
> +			clock-names = "mfd_timer_clk";
> +			interrupts = <54>;
> +			status = "disabled";
> +
> +			iiotimer6: iiotimer6 at 40001000 {
> +				compatible = "st,stm32-iio-timer6";
> +				status = "disabled";
> +			};
> +		};
> +
> +		mfd_timer7: mfdtimer7 at 40001400 {
> +			compatible = "st,stm32-mfd-timer7";
> +			reg = <0x40001400 0x400>;
> +			clocks = <&rcc 0 133>;
> +			clock-names = "mfd_timer_clk";
> +			interrupts = <55>;
> +			status = "disabled";
> +
> +			iiotimer7: iiotimer7 at 40001400 {
> +				compatible = "st,stm32-iio-timer7";
> +				status = "disabled";
> +			};
> +		};
> +
> +		mfd_timer8: mfdtimer8 at 40010400 {
> +			compatible = "st,stm32-mfd-timer8";
> +			reg = <0x40010400 0x400>;
> +			clocks = <&rcc 0 161>;
> +			clock-names = "mfd_timer_clk";
> +			interrupts = <46>;
> +			status = "disabled";
> +
> +			pwm8: pwm8 at 40010400 {
> +				compatible = "st,stm32-pwm8";
> +				status = "disabled";
> +			};
> +
> +			iiotimer8: iiotimer7 at 40010400 {
> +				compatible = "st,stm32-iio-timer8";
> +				status = "disabled";
> +			};
> +		};
> +
> +		mfd_timer9: mfdtimer9 at 40014000 {
> +			compatible = "st,stm32-mfd-timer9";
> +			reg = <0x40014000 0x400>;
> +			clocks = <&rcc 0 176>;
> +			clock-names = "mfd_timer_clk";
> +			interrupts = <24>;
> +			status = "disabled";
> +
> +			pwm9: pwm9 at 40014000 {
> +				compatible = "st,stm32-pwm9";
> +				status = "disabled";
> +			};
> +
> +			iiotimer9: iiotimer9 at 40014000 {
> +				compatible = "st,stm32-iio-timer9";
> +				status = "disabled";
> +			};
> +		};
> +
> +		mfd_timer10: mfdtimer10 at 40014400 {
> +			compatible = "st,stm32-mfd-timer10";
> +			reg = <0x40014400 0x400>;
> +			clocks = <&rcc 0 177>;
> +			clock-names = "mfd_timer_clk";
> +			interrupts = <25>;
> +			status = "disabled";
> +
> +			pwm10: pwm10 at 40014400 {
> +				compatible = "st,stm32-pwm10";
> +				status = "disabled";
> +			};
> +		};
> +
> +		mfd_timer11: mfdtimer11 at 40014800 {
> +			compatible = "st,stm32-mfd-timer11";
> +			reg = <0x40014800 0x400>;
> +			clocks = <&rcc 0 178>;
> +			clock-names = "mfd_timer_clk";
> +			interrupts = <26>;
> +			status = "disabled";
> +
> +			pwm11: pwm11 at 40014800 {
> +				compatible = "st,stm32-pwm11";
> +				status = "disabled";
> +			};
> +		};
> +
> +		mfd_timer12: mfdtimer12 at 40001800 {
> +			compatible = "st,stm32-mfd-timer12";
> +			reg = <0x40001800 0x400>;
> +			clocks = <&rcc 0 134>;
> +			clock-names = "mfd_timer_clk";
> +			interrupts = <43>;
> +			status = "disabled";
> +
> +			pwm12: pwm12 at 40001800 {
> +				compatible = "st,stm32-pwm12";
> +				status = "disabled";
> +			};
> +			iiotimer12: iiotimer12 at 40001800 {
> +				compatible = "st,stm32-iio-timer12";
> +				status = "disabled";
> +			};
> +		};
> +
> +		mfd_timer13: mfdtimer13 at 40001C00 {
> +			compatible = "st,stm32-mfd-timer13";
> +			reg = <0x40001C00 0x400>;
> +			clocks = <&rcc 0 135>;
> +			clock-names = "mfd_timer_clk";
> +			interrupts = <44>;
> +			status = "disabled";
> +
> +			pwm13: pwm13 at 40001C00 {
> +				compatible = "st,stm32-pwm13";
> +				status = "disabled";
> +			};
> +		};
> +
> +		mfd_timer14: mfdtimer14 at 40002000 {
> +			compatible = "st,stm32-mfd-timer14";
> +			reg = <0x40002000 0x400>;
> +			clocks = <&rcc 0 136>;
> +			clock-names = "mfd_timer_clk";
> +			interrupts = <45>;
> +			status = "disabled";
> +
> +			pwm14: pwm14 at 40002000 {
> +				compatible = "st,stm32-pwm14";
> +				status = "disabled";
> +			};
> +		};
>  	};
>  };
>
> diff --git a/arch/arm/boot/dts/stm32f469-disco.dts b/arch/arm/boot/dts/stm32f469-disco.dts
> index 8a163d7..a8f1788 100644
> --- a/arch/arm/boot/dts/stm32f469-disco.dts
> +++ b/arch/arm/boot/dts/stm32f469-disco.dts
> @@ -81,3 +81,32 @@
>  &usart3 {
>  	status = "okay";
>  };
> +
> +&mfd_timer1 {
> +	status = "okay";
> +};
> +
> +&pwm1 {
> +	pinctrl-0	= <&pwm1_pins>;
> +	pinctrl-names	= "default";
> +	st,breakinput-polarity = <0>;
> +	status = "okay";
> +};
> +
> +&iiotimer1 {
> +	status = "okay";
> +};
> +
> +&mfd_timer3 {
> +	status = "okay";
> +};
> +
> +&pwm3 {
> +	pinctrl-0	= <&pwm3_pins>;
> +	pinctrl-names	= "default";
> +	status = "okay";
> +};
> +
> +&iiotimer3 {
> +	status = "okay";
> +};
>



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