Thread (11 messages) 11 messages, 3 authors, 2020-05-20

RE: [PATCH 1/3] arm64: dts: imx8m: add mu node

From: Aisheng Dong <aisheng.dong@nxp.com>
Date: 2020-05-20 06:45:30
Also in: linux-clk, linux-devicetree, lkml

quoted hunk ↗ jump to hunk
From: Peng Fan <peng.fan@nxp.com>
Sent: Wednesday, May 20, 2020 10:05 AM

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

Signed-off-by: Peng Fan <peng.fan@nxp.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@30aa0000 {
+				compatible = "fsl,imx6sx-mu";
Usually we also add current SoC compatible string.
compatible = "fsl,imx8mm-mu", "fsl,imx6sx-mu"
+				reg = <0x30aa0000 0x10000>;
+				interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clk IMX8MM_CLK_MU_ROOT>;
+				clock-names = "mu";
Undocumented property, drop it
quoted hunk ↗ jump to hunk
+				#mbox-cells = <2>;
+			};
+
 			usdhc1: mmc@30b40000 {
 				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@30aa0000 {
+				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@30b40000 {
 				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@30aa0000 {
+				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@30b40000 {
 				compatible = "fsl,imx8mq-usdhc",
 				             "fsl,imx7d-usdhc";
--
2.16.4
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