Add DMAs to enable PWM input capture using STM32 timers on stm32mp157c. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxx> --- arch/arm/boot/dts/stm32mp157c.dtsi | 58 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi index 661be94..17a748f 100644 --- a/arch/arm/boot/dts/stm32mp157c.dtsi +++ b/arch/arm/boot/dts/stm32mp157c.dtsi @@ -98,6 +98,12 @@ reg = <0x40000000 0x400>; clocks = <&rcc TIM2_K>; clock-names = "int"; + dmas = <&dmamux1 18 0x400 0x1>, + <&dmamux1 19 0x400 0x1>, + <&dmamux1 20 0x400 0x1>, + <&dmamux1 21 0x400 0x1>, + <&dmamux1 22 0x400 0x1>; + dma-names = "ch1", "ch2", "ch3", "ch4", "up"; status = "disabled"; pwm { @@ -119,6 +125,13 @@ reg = <0x40001000 0x400>; clocks = <&rcc TIM3_K>; clock-names = "int"; + dmas = <&dmamux1 23 0x400 0x1>, + <&dmamux1 24 0x400 0x1>, + <&dmamux1 25 0x400 0x1>, + <&dmamux1 26 0x400 0x1>, + <&dmamux1 27 0x400 0x1>, + <&dmamux1 28 0x400 0x1>; + dma-names = "ch1", "ch2", "ch3", "ch4", "up", "trig"; status = "disabled"; pwm { @@ -140,6 +153,11 @@ reg = <0x40002000 0x400>; clocks = <&rcc TIM4_K>; clock-names = "int"; + dmas = <&dmamux1 29 0x400 0x1>, + <&dmamux1 30 0x400 0x1>, + <&dmamux1 31 0x400 0x1>, + <&dmamux1 32 0x400 0x1>; + dma-names = "ch1", "ch2", "ch3", "ch4"; status = "disabled"; pwm { @@ -161,6 +179,13 @@ reg = <0x40003000 0x400>; clocks = <&rcc TIM5_K>; clock-names = "int"; + dmas = <&dmamux1 55 0x400 0x1>, + <&dmamux1 56 0x400 0x1>, + <&dmamux1 57 0x400 0x1>, + <&dmamux1 58 0x400 0x1>, + <&dmamux1 59 0x400 0x1>, + <&dmamux1 60 0x400 0x1>; + dma-names = "ch1", "ch2", "ch3", "ch4", "up", "trig"; status = "disabled"; pwm { @@ -182,6 +207,8 @@ reg = <0x40004000 0x400>; clocks = <&rcc TIM6_K>; clock-names = "int"; + dmas = <&dmamux1 69 0x400 0x1>; + dma-names = "up"; status = "disabled"; timer@5 { @@ -198,6 +225,8 @@ reg = <0x40005000 0x400>; clocks = <&rcc TIM7_K>; clock-names = "int"; + dmas = <&dmamux1 70 0x400 0x1>; + dma-names = "up"; status = "disabled"; timer@6 { @@ -465,6 +494,15 @@ reg = <0x44000000 0x400>; clocks = <&rcc TIM1_K>; clock-names = "int"; + dmas = <&dmamux1 11 0x400 0x1>, + <&dmamux1 12 0x400 0x1>, + <&dmamux1 13 0x400 0x1>, + <&dmamux1 14 0x400 0x1>, + <&dmamux1 15 0x400 0x1>, + <&dmamux1 16 0x400 0x1>, + <&dmamux1 17 0x400 0x1>; + dma-names = "ch1", "ch2", "ch3", "ch4", + "up", "trig", "com"; status = "disabled"; pwm { @@ -486,6 +524,15 @@ reg = <0x44001000 0x400>; clocks = <&rcc TIM8_K>; clock-names = "int"; + dmas = <&dmamux1 47 0x400 0x1>, + <&dmamux1 48 0x400 0x1>, + <&dmamux1 49 0x400 0x1>, + <&dmamux1 50 0x400 0x1>, + <&dmamux1 51 0x400 0x1>, + <&dmamux1 52 0x400 0x1>, + <&dmamux1 53 0x400 0x1>; + dma-names = "ch1", "ch2", "ch3", "ch4", + "up", "trig", "com"; status = "disabled"; pwm { @@ -543,6 +590,11 @@ reg = <0x44006000 0x400>; clocks = <&rcc TIM15_K>; clock-names = "int"; + dmas = <&dmamux1 105 0x400 0x1>, + <&dmamux1 106 0x400 0x1>, + <&dmamux1 107 0x400 0x1>, + <&dmamux1 108 0x400 0x1>; + dma-names = "ch1", "up", "trig", "com"; status = "disabled"; pwm { @@ -564,6 +616,9 @@ reg = <0x44007000 0x400>; clocks = <&rcc TIM16_K>; clock-names = "int"; + dmas = <&dmamux1 109 0x400 0x1>, + <&dmamux1 110 0x400 0x1>; + dma-names = "ch1", "up"; status = "disabled"; pwm { @@ -584,6 +639,9 @@ reg = <0x44008000 0x400>; clocks = <&rcc TIM17_K>; clock-names = "int"; + dmas = <&dmamux1 111 0x400 0x1>, + <&dmamux1 112 0x400 0x1>; + dma-names = "ch1", "up"; status = "disabled"; pwm { -- 1.9.1