From 2e6d2985aad114a5489f9a3224fd2ff6bd0ce839 Mon Sep 17 00:00:00 2001
From: Alice Guo <alice.guo@nxp.com>
Date: Fri, 22 May 2020 17:56:51 +0800
Subject: MLK-24278: arm64: dts: add i.MX8DXL inmate/root dts

Add i.MX8DXL inmate/root dts. Needs to use non-m4 flash.bin and use the
following command to boot the 2nd Linux:

./jailhouse cell linux imx8dxl-linux-demo.cell Image -d
imx8dxl-evk-inmate.dtb -c "clk_ignore_unused console=ttyLP4,115200
earlycon=lpuart32,mmio32,0x5a060010,115200 cma=32MB root=/dev/mmcblk0p2 rootwait rw"

Signed-off-by: Alice Guo <alice.guo@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8dxl-evk-root.dts | 100 +++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8dxl-evk-root.dts

(limited to 'arch/arm64/boot/dts/freescale/imx8dxl-evk-root.dts')

diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk-root.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk-root.dts
new file mode 100644
index 000000000000..a58637225117
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk-root.dts
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright NXP 2020
+ */
+
+#include "imx8dxl-evk.dts"
+
+/ {
+	domu {
+		/*
+		 * There are 5 MUs, 0A is used by root cell, 1A is used
+		 * by ATF, so for non-root cell, 2A/3A/4A could be used.
+		 * SC_R_MU_0A
+		 * SC_R_MU_1A
+		 * SC_R_MU_2A
+		 * SC_R_MU_3A
+		 * SC_R_MU_4A
+		 * The rsrcs and pads will be configured by uboot scu_rm cmd
+		 */
+		#address-cells = <1>;
+		#size-cells = <0>;
+		doma {
+			/*
+			 * This is not for domu, this is just reuse
+			 * the method for jailhouse inmate non root cell
+			 * Linux.
+			 */
+			compatible = "xen,domu";
+			/*
+			 * The reg property will be updated by U-Boot to
+			 * reflect the partition id.
+			 */
+			reg = <0>;
+			init_on_rsrcs = <
+				IMX_SC_R_MU_2A
+			>;
+			rsrcs = <
+				IMX_SC_R_SDHC_0
+				IMX_SC_R_M4_0_INTMUX
+				IMX_SC_R_M4_0_UART
+				IMX_SC_R_MU_2A
+			>;
+			pads = <
+				/* emmc */
+				IMX8DXL_EMMC0_CLK
+				IMX8DXL_EMMC0_CMD
+				IMX8DXL_EMMC0_DATA0
+				IMX8DXL_EMMC0_DATA1
+				IMX8DXL_EMMC0_DATA2
+				IMX8DXL_EMMC0_DATA3
+				IMX8DXL_EMMC0_DATA4
+				IMX8DXL_EMMC0_DATA5
+				IMX8DXL_EMMC0_DATA6
+				IMX8DXL_EMMC0_DATA7
+				IMX8DXL_EMMC0_STROBE
+				/* cm40_lpuart */
+				IMX8DXL_ADC_IN3
+				IMX8DXL_ADC_IN2
+			>;
+		};
+	};
+};
+
+&{/reserved-memory} {
+
+	jh_reserved: jh@bfc00000 {
+		no-map;
+		reg = <0x0 0xbfc00000 0x0 0x400000>;
+	};
+
+	loader_reserved: loader@bfb00000 {
+		no-map;
+		reg = <0x0 0xbfb00000 0x0 0x00100000>;
+	};
+
+	ivshmem_reserved: ivshmem@bf900000 {
+		no-map;
+		reg = <0x0 0xbf900000 0x0 0x00200000>;
+	};
+
+	pci_reserved: pci@bf700000 {
+		no-map;
+		reg = <0x0 0xbf700000 0x0 0x00200000>;
+	};
+
+	/* Decrease if no need such big memory */
+	inmate_reserved: inmate@a1700000 {
+		no-map;
+		reg = <0x0 0xa1700000 0x0 0x1e000000>;
+	};
+};
+
+&usdhc1 {
+	status = "disabled";
+};
+
+&cm40_lpuart {
+	/* Let inmate linux use this for console */
+	status = "disabled";
+};
-- 
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