[PATCH v4 6/6] ARM: dts: stm32: Enable pwm3 input capture on stm32f429i-eval

Fabrice Gasnier fabrice.gasnier at st.com
Mon Apr 16 09:19:21 PDT 2018


Enable pwm3 input capture on stm32f429i-eval, by using DMA.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier at st.com>
Reviewed-by: Benjamin Gaignard <benjamin.gaignard at linaro.org>
---
 arch/arm/boot/dts/stm32429i-eval.dts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/boot/dts/stm32429i-eval.dts b/arch/arm/boot/dts/stm32429i-eval.dts
index 7eb786a..88d878a 100644
--- a/arch/arm/boot/dts/stm32429i-eval.dts
+++ b/arch/arm/boot/dts/stm32429i-eval.dts
@@ -290,6 +290,9 @@
 &timers3 {
 	status = "okay";
 
+	/* Enable PWM input capture by using dma */
+	dmas = <&dma1 4 5 0x400 0x0>;
+	dma-names = "ch1";
 	pwm {
 		pinctrl-0 = <&pwm3_pins>;
 		pinctrl-names = "default";
-- 
1.9.1




More information about the linux-arm-kernel mailing list