ARM: at91: pm: add sam9x7 SoC init config

Add SoC init config for sam9x7 family.

Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Link: https://lore.kernel.org/r/20240729070705.1990557-1-varshini.rajendran@microchip.com
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>

diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 794bd12ab0a8e231986d380c904aeac165286322..7d8a7bc44e6549ddfabb8214388bb285fa578ba3 100644 (file)
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -7,6 +7,7 @@
 obj-$(CONFIG_SOC_AT91RM9200)   += at91rm9200.o
 obj-$(CONFIG_SOC_AT91SAM9)     += at91sam9.o
 obj-$(CONFIG_SOC_SAM9X60)      += sam9x60.o
+obj-$(CONFIG_SOC_SAM9X7)       += sam9x7.o
 obj-$(CONFIG_SOC_SAMA5)                += sama5.o sam_secure.o
 obj-$(CONFIG_SOC_SAMA7)                += sama7.o
 obj-$(CONFIG_SOC_SAMV7)                += samv7.o

diff --git a/arch/arm/mach-at91/sam9x7.c b/arch/arm/mach-at91/sam9x7.c
new file mode 100644 (file)
index 0000000..e1ff30b
--- /dev/null
+++ b/arch/arm/mach-at91/sam9x7.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Setup code for SAM9X7.
+ *
+ * Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries
+ *
+ * Author: Varshini Rajendran <varshini.rajendran@microchip.com>
+ */
+
+#include <linux/of.h>
+#include <linux/of_platform.h>
+
+#include <asm/mach/arch.h>
+
+#include "generic.h"
+
+static void __init sam9x7_init(void)
+{
+       of_platform_default_populate(NULL, NULL, NULL);
+
+       sam9x7_pm_init();
+}
+
+static const char * const sam9x7_dt_board_compat[] __initconst = {
+       "microchip,sam9x7",
+       NULL
+};
+
+DT_MACHINE_START(sam9x7_dt, "Microchip SAM9X7")
+       /* Maintainer: Microchip */
+       .init_machine   = sam9x7_init,
+       .dt_compat      = sam9x7_dt_board_compat,
+MACHINE_END