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authorPeng Fan <peng.fan@nxp.com>2019-10-18 16:25:13 +0800
committerDong Aisheng <aisheng.dong@nxp.com>2019-11-25 16:08:37 +0800
commit9bf2a3710859d51a4f3daaa4175c41f78bb9f624 (patch)
treec4c150e3a49bae90d5c273a7ca17df004c0404fe /arch/arm64/boot/dts/freescale/imx8mm-evk-root.dts
parent4acf3940c9dea18635939283dec428f2fea88626 (diff)
arm64: dts: imx8mm: add inmate/root dts
Add inmate/root dts for jailhouse dual linux case. Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mm-evk-root.dts')
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mm-evk-root.dts90
1 files changed, 90 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk-root.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk-root.dts
new file mode 100644
index 000000000000..ba85012da178
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk-root.dts
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2019 NXP
+ */
+
+#include "imx8mm-evk.dts"
+
+/ {
+ interrupt-parent = <&gic>;
+};
+
+&cpu_pd_wait {
+ /delete-property/ compatible;
+ /*arm,psci-suspend-param = <0x0>;*/
+};
+
+&clk {
+ init-on-array = <IMX8MM_CLK_USDHC3_ROOT
+ IMX8MM_CLK_UART4_ROOT>;
+};
+
+&iomuxc {
+ /*
+ * Used for the 2nd Linux.
+ * TODO: M4 may use these pins.
+ */
+ pinctrl_uart4: uart4grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_UART4_RXD_UART4_DCE_RX 0x140
+ MX8MM_IOMUXC_UART4_TXD_UART4_DCE_TX 0x140
+ >;
+ };
+};
+
+&{/busfreq} {
+ /* Disable busfreq, to avoid 1st Linux busfreq crash other inmates */
+ status = "disabled";
+};
+
+&{/reserved-memory} {
+
+ ivshmem_reserved: ivshmem@bbb00000 {
+ no-map;
+ reg = <0 0xbbb00000 0x0 0x00100000>;
+ };
+
+ ivshmem2_reserved: ivshmem2@bba00000 {
+ no-map;
+ reg = <0 0xbba00000 0x0 0x00100000>;
+ };
+
+ pci_reserved: pci@bb800000 {
+ no-map;
+ reg = <0 0xbb800000 0x0 0x00200000>;
+ };
+
+ loader_reserved: loader@bb700000 {
+ no-map;
+ reg = <0 0xbb700000 0x0 0x00100000>;
+ };
+
+ jh_reserved: jh@b7c00000 {
+ no-map;
+ reg = <0 0xb7c00000 0x0 0x00400000>;
+ };
+
+ /* 512MB */
+ inmate_reserved: inmate@93c00000 {
+ no-map;
+ reg = <0 0x93c00000 0x0 0x24000000>;
+ };
+};
+
+&uart2 {
+ /* uart2 is used by the 2nd OS, so configure pin and clk */
+ pinctrl-0 = <&pinctrl_uart2>, <&pinctrl_uart4>;
+ assigned-clocks = <&clk IMX8MM_CLK_UART4>;
+ assigned-clock-parents = <&clk IMX8MM_CLK_24M>;
+};
+
+&usdhc3 {
+ status = "disabled";
+};
+
+&usdhc2 {
+ /* sdhc3 is used by 2nd linux, configure the pin */
+ pinctrl-0 = <&pinctrl_usdhc3>, <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+ pinctrl-1 = <&pinctrl_usdhc3>, <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
+ pinctrl-2 = <&pinctrl_usdhc3>, <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
+};