linux-kernel - [PATCH 8/8] ARM: dts: stm32: Enable pwm3 input capture on stm32f429i-eval

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Date:   Tue, 16 Jan 2018 13:43:51 +0100
From:   Fabrice Gasnier <fabrice.gasnier@...com>
To:     <lee.jones@...aro.org>, <thierry.reding@...il.com>,
        <robh+dt@...nel.org>, <alexandre.torgue@...com>,
        <benjamin.gaignard@...aro.org>
CC:     <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 8/8] 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>
---
 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 293ecb9..d5498dd 100644
--- a/arch/arm/boot/dts/stm32429i-eval.dts
+++ b/arch/arm/boot/dts/stm32429i-eval.dts
@@ -271,6 +271,9 @@
 &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