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

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Date:   Mon, 16 Apr 2018 18:19:21 +0200
From:   Fabrice Gasnier <fabrice.gasnier@...com>
To:     <lee.jones@...aro.org>, <alexandre.torgue@...com>
CC:     <thierry.reding@...il.com>, <benjamin.gaignard@...aro.org>,
        <robh+dt@...nel.org>, <mark.rutland@....com>,
        <linux@...linux.org.uk>, <mcoquelin.stm32@...il.com>,
        <fabrice.gasnier@...com>, <benjamin.gaignard@...com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-pwm@...r.kernel.org>
Subject: [PATCH v4 6/6] ARM: dts: stm32: Enable pwm3 input capture on stm32f429i-eval

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

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...com>
Reviewed-by: Benjamin Gaignard <benjamin.gaignard@...aro.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