linux-kernel - [PATCH 8/8] ARM: dts: stm32: enable m4 coprocessor support on STM32MP157a-dk1

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Date:   Tue, 5 Mar 2019 15:24:09 +0100
From:   Fabien Dessenne <fabien.dessenne@...com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-remoteproc@...r.kernel.org>
CC:     Fabien Dessenne <fabien.dessenne@...com>,
        Loic Pallardy <loic.pallardy@...com>,
        Arnaud Pouliquen <arnaud.pouliquen@...com>,
        "Ludovic Barre" <ludovic.barre@...com>,
        Benjamin Gaignard <benjamin.gaignard@...com>
Subject: [PATCH 8/8] ARM: dts: stm32: enable m4 coprocessor support on STM32MP157a-dk1

Enable m4 coprocessor for STM32MP157a-dk1 board.

Signed-off-by: Fabien Dessenne <fabien.dessenne@...com>
---
 arch/arm/boot/dts/stm32mp157a-dk1.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts
index 26ce8de..818a979 100644
--- a/arch/arm/boot/dts/stm32mp157a-dk1.dts
+++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts
@@ -116,6 +116,18 @@
 	status = "okay";
 };
 
+&m4_rproc {
+	memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
+			<&vdev0vring1>, <&vdev0buffer>;
+	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
+	mbox-names = "vq0", "vq1", "shutdown";
+	interrupt-parent = <&exti>;
+	interrupts = <68 1>;
+	interrupt-names = "wdg";
+	recovery;
+	status = "okay";
+};
+
 &rng1 {
 	status = "okay";
 };
-- 
2.7.4