linux-kernel - [PATCH v4 5/5] ARM: dts: stm32: Use ETZPC firewall bus

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Date:   Wed, 1 Jul 2020 15:25:23 +0200
From:   Benjamin Gaignard <benjamin.gaignard@...com>
To:     <robh+dt@...nel.org>, <mcoquelin.stm32@...il.com>,
        <alexandre.torgue@...com>, <linus.walleij@...aro.org>,
        <gregkh@...uxfoundation.org>
CC:     <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <stefano.stabellini@...inx.com>,
        <tomase@...inx.com>, <devicetree@...r.kernel.org>,
        Benjamin Gaignard <benjamin.gaignard@...com>
Subject: [PATCH v4 5/5] ARM: dts: stm32: Use ETZPC firewall bus

Allow STM32 ETZPC to check firewall configuration before populating
the platform bus.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
---
 arch/arm/boot/dts/stm32mp151.dtsi | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
index 3ea05ba48215..0290eb6f3c35 100644
--- a/arch/arm/boot/dts/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/stm32mp151.dtsi
@@ -4,6 +4,7 @@
  * Author: Ludovic Barre <ludovic.barre@...com> for STMicroelectronics.
  */
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/bus/stm32/stm32-etzpc.h>
 #include <dt-bindings/clock/stm32mp1-clks.h>
 #include <dt-bindings/reset/stm32mp1-resets.h>
 
@@ -110,8 +111,10 @@
 		status = "disabled";
 	};
 
-	soc {
-		compatible = "simple-bus";
+	etzpc_bus: soc@...07000 {
+		compatible = "st,stm32-etzpc-bus", "simple-bus";
+		reg = <0x5c007000 0x400>;
+		#firewall-cells = <2>;
 		#address-cells = <1>;
 		#size-cells = <1>;
 		interrupt-parent = <&intc>;
-- 
2.15.0