linux-kernel - [PATCH 3/3] ARM: dts: stm32: don't use timers dmas on stm32mp157c-ev1

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Date:   Wed, 3 Oct 2018 17:11:05 +0200
From:   Fabrice Gasnier <fabrice.gasnier@...com>
To:     <alexandre.torgue@...com>
CC:     <robh+dt@...nel.org>, <mcoquelin.stm32@...il.com>,
        <mark.rutland@....com>, <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <fabrice.gasnier@...com>
Subject: [PATCH 3/3] ARM: dts: stm32: don't use timers dmas on stm32mp157c-ev1

Spare dmas when using timers on stm32mp157c-ev1.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...com>
---
 arch/arm/boot/dts/stm32mp157c-ev1.dts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts
index 372bc2e..89bb35d 100644
--- a/arch/arm/boot/dts/stm32mp157c-ev1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ev1.dts
@@ -100,6 +100,9 @@
 };
 
 &timers2 {
+	/* spare dmas for other usage (un-delete to enable pwm capture) */
+	/delete-property/dmas;
+	/delete-property/dma-names;
 	status = "disabled";
 	pwm {
 		pinctrl-0 = <&pwm2_pins_a>;
@@ -112,6 +115,8 @@
 };
 
 &timers8 {
+	/delete-property/dmas;
+	/delete-property/dma-names;
 	status = "disabled";
 	pwm {
 		pinctrl-0 = <&pwm8_pins_a>;
@@ -124,6 +129,8 @@
 };
 
 &timers12 {
+	/delete-property/dmas;
+	/delete-property/dma-names;
 	status = "disabled";
 	pwm {
 		pinctrl-0 = <&pwm12_pins_a>;
-- 
1.9.1