linux-kernel - [PATCH 1/3] arm64: dts: imx8m: add mu node

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Message-Id: <1589940278-3680-2-git-send-email-peng.fan@nxp.com>
Date:   Wed, 20 May 2020 10:04:36 +0800
From:   peng.fan@....com
To:     shawnguo@...nel.org, fabio.estevam@....com, kernel@...gutronix.de,
        aisheng.dong@....com, robh+dt@...nel.org, sboyd@...nel.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-imx@....com, leonard.crestez@....com, daniel.baluta@....com,
        l.stach@...gutronix.de, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org, Peng Fan <peng.fan@....com>
Subject: [PATCH 1/3] arm64: dts: imx8m: add mu node

From: Peng Fan <peng.fan@....com>

Add mu node to let A53 could communicate with M Core.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 arch/arm64/boot/dts/freescale/imx8mm.dtsi | 9 +++++++++
 arch/arm64/boot/dts/freescale/imx8mn.dtsi | 9 +++++++++
 arch/arm64/boot/dts/freescale/imx8mq.dtsi | 9 +++++++++
 3 files changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index f3bbefe3e59f..9722f76d8c3f 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -771,6 +771,15 @@
 				status = "disabled";
 			};
 
+			mu: mailbox@...a0000 {
+				compatible = "fsl,imx6sx-mu";
+				reg = <0x30aa0000 0x10000>;
+				interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clk IMX8MM_CLK_MU_ROOT>;
+				clock-names = "mu";
+				#mbox-cells = <2>;
+			};
+
 			usdhc1: mmc@...40000 {
 				compatible = "fsl,imx8mm-usdhc", "fsl,imx7d-usdhc";
 				reg = <0x30b40000 0x10000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index fb63a98fdff5..5f30f1d50460 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -671,6 +671,15 @@
 				status = "disabled";
 			};
 
+			mu: mailbox@...a0000 {
+				compatible = "fsl,imx6sx-mu";
+				reg = <0x30aa0000 0x10000>;
+				interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clk IMX8MN_CLK_MU_ROOT>;
+				clock-names = "mu";
+				#mbox-cells = <2>;
+			};
+
 			usdhc1: mmc@...40000 {
 				compatible = "fsl,imx8mn-usdhc", "fsl,imx7d-usdhc";
 				reg = <0x30b40000 0x10000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 1d15680a4962..e969fcbbd15f 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -956,6 +956,15 @@
 				status = "disabled";
 			};
 
+			mu: mailbox@...a0000 {
+				compatible = "fsl,imx6sx-mu";
+				reg = <0x30aa0000 0x10000>;
+				interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clk IMX8MQ_CLK_MU_ROOT>;
+				clock-names = "mu";
+				#mbox-cells = <2>;
+			};
+
 			usdhc1: mmc@...40000 {
 				compatible = "fsl,imx8mq-usdhc",
 				             "fsl,imx7d-usdhc";
-- 
2.16.4