Add general purpose timers and it sub-nodes into DT for stm32f4. Define and enable pwm1 and pwm3 for stm32f469 discovery board
version 2: - use parameters to describe hardware capabilities - do not use references for pwm and iio timer subnodes
Signed-off-by: Benjamin Gaignard benjamin.gaignard@st.com --- arch/arm/boot/dts/stm32f429.dtsi | 305 +++++++++++++++++++++++++++++++++- arch/arm/boot/dts/stm32f469-disco.dts | 28 ++++ 2 files changed, 332 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi index bca491d..8f217b1 100644 --- a/arch/arm/boot/dts/stm32f429.dtsi +++ b/arch/arm/boot/dts/stm32f429.dtsi @@ -48,7 +48,7 @@ #include "skeleton.dtsi" #include "armv7-m.dtsi" #include <dt-bindings/pinctrl/stm32f429-pinfunc.h> - +#include <dt-bindings/iio/timer/st,stm32-iio-timer.h> / { clocks { clk_hse: clk-hse { @@ -355,6 +355,21 @@ slew-rate = <2>; }; }; + + pwm1_pins: pwm@1 { + pins { + pinmux = <STM32F429_PA8_FUNC_TIM1_CH1>, + <STM32F429_PB13_FUNC_TIM1_CH1N>, + <STM32F429_PB12_FUNC_TIM1_BKIN>; + }; + }; + + pwm3_pins: pwm@3 { + pins { + pinmux = <STM32F429_PB4_FUNC_TIM3_CH1>, + <STM32F429_PB5_FUNC_TIM3_CH2>; + }; + }; };
rcc: rcc@40023810 { @@ -426,6 +441,294 @@ interrupts = <80>; clocks = <&rcc 0 38>; }; + + gptimer1: gptimer1@40010000 { + compatible = "st,stm32-gptimer"; + reg = <0x40010000 0x400>; + clocks = <&rcc 0 160>; + clock-names = "clk_int"; + status = "disabled"; + + pwm1@0 { + compatible = "st,stm32-pwm"; + st,pwm-num-chan = <4>; + st,breakinput; + st,complementary; + status = "disabled"; + }; + + 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; + status = "disabled"; + }; + }; + + gptimer2: gptimer2@40000000 { + compatible = "st,stm32-gptimer"; + reg = <0x40000000 0x400>; + clocks = <&rcc 0 128>; + clock-names = "clk_int"; + status = "disabled"; + + pwm2@0 { + compatible = "st,stm32-pwm"; + st,pwm-num-chan = <4>; + st,32bits-counter; + status = "disabled"; + }; + + iiotimer2@0 { + compatible = "st,stm32-iio-timer"; + interrupts = <28>; + st,input-triggers-names = TIM1_TRGO, + TIM8_TRGO, + TIM3_TRGO, + TIM4_TRGO; + st,output-triggers-names = TIM2_TRGO; + status = "disabled"; + }; + }; + + gptimer3: gptimer3@40000400 { + compatible = "st,stm32-gptimer"; + reg = <0x40000400 0x400>; + clocks = <&rcc 0 129>; + clock-names = "clk_int"; + status = "disabled"; + + pwm3@0 { + compatible = "st,stm32-pwm"; + st,pwm-num-chan = <4>; + status = "disabled"; + }; + + iiotimer3@0 { + compatible = "st,stm32-iio-timer"; + interrupts = <29>; + st,input-triggers-names = TIM1_TRGO, + TIM8_TRGO, + TIM5_TRGO, + TIM4_TRGO; + st,output-triggers-names = TIM3_TRGO; + status = "disabled"; + }; + }; + + gptimer4: gptimer4@40000800 { + compatible = "st,stm32-gptimer"; + reg = <0x40000800 0x400>; + clocks = <&rcc 0 130>; + clock-names = "clk_int"; + status = "disabled"; + + pwm4@0 { + compatible = "st,stm32-pwm"; + st,pwm-num-chan = <4>; + status = "disabled"; + }; + + iiotimer4@0 { + compatible = "st,stm32-iio-timer"; + interrupts = <30>; + st,input-triggers-names = TIM1_TRGO, + TIM2_TRGO, + TIM3_TRGO, + TIM8_TRGO; + st,output-triggers-names = TIM4_TRGO; + status = "disabled"; + }; + }; + + gptimer5: gptimer5@40000C00 { + compatible = "st,stm32-gptimer"; + reg = <0x40000C00 0x400>; + clocks = <&rcc 0 131>; + clock-names = "clk_int"; + status = "disabled"; + + pwm5@0 { + compatible = "st,stm32-pwm"; + st,pwm-num-chan = <4>; + st,32bits-counter; + status = "disabled"; + }; + + iiotimer5@0 { + compatible = "st,stm32-iio-timer"; + interrupts = <50>; + st,input-triggers-names = TIM2_TRGO, + TIM3_TRGO, + TIM4_TRGO, + TIM8_TRGO; + st,output-triggers-names = TIM5_TRGO; + status = "disabled"; + }; + }; + + gptimer6: gptimer6@40001000 { + compatible = "st,stm32-gptimer"; + reg = <0x40001000 0x400>; + clocks = <&rcc 0 132>; + clock-names = "clk_int"; + status = "disabled"; + + iiotimer6@0 { + compatible = "st,stm32-iio-timer"; + interrupts = <54>; + st,output-triggers-names = TIM6_TRGO; + status = "disabled"; + }; + }; + + gptimer7: gptimer7@40001400 { + compatible = "st,stm32-gptimer"; + reg = <0x40001400 0x400>; + clocks = <&rcc 0 133>; + clock-names = "clk_int"; + status = "disabled"; + + iiotimer7@0 { + compatible = "st,stm32-iio-timer"; + interrupts = <55>; + st,output-triggers-names = TIM7_TRGO; + status = "disabled"; + }; + }; + + gptimer8: gptimer8@40010400 { + compatible = "st,stm32-gptimer"; + reg = <0x40010400 0x400>; + clocks = <&rcc 0 161>; + clock-names = "clk_int"; + status = "disabled"; + + pwm8@0 { + compatible = "st,stm32-pwm"; + st,pwm-num-chan = <4>; + st,complementary; + st,breakinput; + status = "disabled"; + }; + + iiotimer8@0 { + compatible = "st,stm32-iio-timer"; + interrupts = <46>; + st,input-triggers-names = TIM1_TRGO, + TIM2_TRGO, + TIM4_TRGO, + TIM5_TRGO; + st,output-triggers-names = TIM8_TRGO; + status = "disabled"; + }; + }; + + gptimer9: gptimer9@40014000 { + compatible = "st,stm32-gptimer"; + reg = <0x40014000 0x400>; + clocks = <&rcc 0 176>; + clock-names = "clk_int"; + status = "disabled"; + + pwm9@0 { + compatible = "st,stm32-pwm"; + st,pwm-num-chan = <2>; + status = "disabled"; + }; + + iiotimer9@0 { + compatible = "st,stm32-iio-timer"; + interrupts = <24>; + st,input-triggers-names = TIM2_TRGO, + TIM3_TRGO; + st,output-triggers-names = TIM9_TRGO; + status = "disabled"; + }; + }; + + gptimer10: gptimer10@40014400 { + compatible = "st,stm32-gptimer"; + reg = <0x40014400 0x400>; + clocks = <&rcc 0 177>; + clock-names = "clk_int"; + status = "disabled"; + + pwm10@0 { + compatible = "st,stm32-pwm"; + st,pwm-num-chan = <1>; + status = "disabled"; + }; + }; + + gptimer11: gptimer11@40014800 { + compatible = "st,stm32-gptimer"; + reg = <0x40014800 0x400>; + clocks = <&rcc 0 178>; + clock-names = "clk_int"; + status = "disabled"; + + pwm11@0 { + compatible = "st,stm32-pwm"; + st,pwm-num-chan = <1>; + status = "disabled"; + }; + }; + + gptimer12: gptimer12@40001800 { + compatible = "st,stm32-gptimer"; + reg = <0x40001800 0x400>; + clocks = <&rcc 0 134>; + clock-names = "clk_int"; + status = "disabled"; + + pwm12@0 { + compatible = "st,stm32-pwm"; + st,pwm-num-chan = <2>; + status = "disabled"; + }; + + iiotimer12@0 { + compatible = "st,stm32-iio-timer"; + interrupts = <43>; + st,input-triggers-names = TIM4_TRGO, + TIM5_TRGO; + st,output-triggers-names = TIM12_TRGO; + status = "disabled"; + }; + }; + + gptimer13: gptimer13@40001C00 { + compatible = "st,stm32-gptimer"; + reg = <0x40001C00 0x400>; + clocks = <&rcc 0 135>; + clock-names = "clk_int"; + status = "disabled"; + + pwm13@0 { + compatible = "st,stm32-pwm"; + st,pwm-num-chan = <1>; + status = "disabled"; + }; + }; + + gptimer14: gptimer14@40002000 { + compatible = "st,stm32-gptimer"; + reg = <0x40002000 0x400>; + clocks = <&rcc 0 136>; + clock-names = "clk_int"; + status = "disabled"; + + pwm14@0 { + compatible = "st,stm32-pwm"; + st,pwm-num-chan = <1>; + status = "disabled"; + }; + }; }; };
diff --git a/arch/arm/boot/dts/stm32f469-disco.dts b/arch/arm/boot/dts/stm32f469-disco.dts index 8a163d7..0c93846 100644 --- a/arch/arm/boot/dts/stm32f469-disco.dts +++ b/arch/arm/boot/dts/stm32f469-disco.dts @@ -81,3 +81,31 @@ &usart3 { status = "okay"; }; + +&gptimer1 { + status = "okay"; + + pwm1@0 { + pinctrl-0 = <&pwm1_pins>; + pinctrl-names = "default"; + status = "okay"; + }; + + iiotimer1@0 { + status = "okay"; + }; +}; + +&gptimer3 { + status = "okay"; + + pwm3@0 { + pinctrl-0 = <&pwm3_pins>; + pinctrl-names = "default"; + status = "okay"; + }; + + iiotimer3@0 { + status = "okay"; + }; +};