Merge tag 'imx-soc-5.18' of git://git.kernel.org/pub/scm/linux/kernel…

…/git/shawnguo/linux into arm/soc

i.MX SoC update for 5.18:

- Add initial support for i.MXRT10xx family which features NXP's
  implementation of the Arm Cortex-M7 core and in some case the
  Arm Cortex-M4 core too.

* tag 'imx-soc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx: Add initial support for i.MXRT10xx family

Link: https://lore.kernel.org/r/20220222075226.160187-2-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/mach-imx/Kconfig

@@ -227,6 +227,13 @@ config SOC_IMX7ULP
 	help
 	  This enables support for Freescale i.MX7 Ultra Low Power processor.
 
+config SOC_IMXRT
+	bool "i.MXRT support"
+	depends on ARM_SINGLE_ARMV7M
+	select ARMV7M_SYSTICK if ARM_SINGLE_ARMV7M
+	help
+	  This enables support for Freescale i.MXRT Crossover processor.
+
 config SOC_VF610
 	bool "Vybrid Family VF610 support"
 	select ARM_GIC if ARCH_MULTI_V7

arch/arm/mach-imx/Makefile

@@ -63,6 +63,8 @@ obj-$(CONFIG_SOC_IMX50) += mach-imx50.o
 obj-$(CONFIG_SOC_IMX51) += mach-imx51.o
 obj-$(CONFIG_SOC_IMX53) += mach-imx53.o
 
+obj-$(CONFIG_SOC_IMXRT) += mach-imxrt.o
+
 obj-$(CONFIG_SOC_VF610) += mach-vf610.o
 
 obj-$(CONFIG_SOC_LS1021A) += mach-ls1021a.o

arch/arm/mach-imx/mach-imxrt.c

@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019
+ * Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com>
+ */
+
+#include <linux/kernel.h>
+#include <asm/mach/arch.h>
+#include <asm/v7m.h>
+
+static const char *const imxrt_compat[] __initconst = {
+	"fsl,imxrt1050",
+	NULL
+};
+
+DT_MACHINE_START(IMXRTDT, "IMXRT (Device Tree Support)")
+	.dt_compat = imxrt_compat,
+	.restart = armv7m_restart,
+MACHINE_END