ARM: at91: sama7: introduce sama7 SoC family

Introduce new family of SoCs, sama7, and first SoC, sama7g5.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
[claudiu.beznea@microchip.com: keep only the sama7_dt]
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210415105010.569620-23-claudiu.beznea@microchip.com

diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index f565490..522b680 100644 (file)
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -8,6 +8,7 @@ obj-$(CONFIG_SOC_AT91RM9200)    += at91rm9200.o
 obj-$(CONFIG_SOC_AT91SAM9)     += at91sam9.o
 obj-$(CONFIG_SOC_SAM9X60)      += sam9x60.o
 obj-$(CONFIG_SOC_SAMA5)                += sama5.o
+obj-$(CONFIG_SOC_SAMA7)                += sama7.o
 obj-$(CONFIG_SOC_SAMV7)                += samv7.o
 
 # Power Management

diff --git a/arch/arm/mach-at91/sama7.c b/arch/arm/mach-at91/sama7.c
new file mode 100644 (file)
index 0000000..19d7bcb
--- /dev/null
+++ b/arch/arm/mach-at91/sama7.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Setup code for SAMA7
+ *
+ * Copyright (C) 2021 Microchip Technology, Inc. and its subsidiaries
+ *
+ */
+
+#include <linux/of.h>
+#include <linux/of_platform.h>
+
+#include <asm/mach/arch.h>
+#include <asm/system_misc.h>
+
+#include "generic.h"
+
+static void __init sama7_dt_device_init(void)
+{
+       of_platform_default_populate(NULL, NULL, NULL);
+}
+
+static const char *const sama7_dt_board_compat[] __initconst = {
+       "microchip,sama7",
+       NULL
+};
+
+DT_MACHINE_START(sama7_dt, "Microchip SAMA7")
+       /* Maintainer: Microchip */
+       .init_machine   = sama7_dt_device_init,
+       .dt_compat      = sama7_dt_board_compat,
+MACHINE_END
+