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-rw-r--r--arch/arm/mach-at91/Kconfig22
-rw-r--r--arch/arm/mach-at91/Makefile1
-rw-r--r--arch/arm/mach-at91/generic.h2
-rw-r--r--arch/arm/mach-at91/pm.c29
-rw-r--r--arch/arm/mach-at91/sam9x7.c33
5 files changed, 84 insertions, 3 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index a8c022b4c053..344f5305f69a 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -141,11 +141,27 @@ config SOC_SAM9X60
help
Select this if you are using Microchip's SAM9X60 SoC
+config SOC_SAM9X7
+ bool "SAM9X7"
+ depends on ARCH_MULTI_V5
+ select ATMEL_AIC5_IRQ
+ select ATMEL_PM if PM
+ select CPU_ARM926T
+ select HAVE_AT91_USB_CLK
+ select HAVE_AT91_GENERATED_CLK
+ select HAVE_AT91_SAM9X60_PLL
+ select MEMORY
+ select PINCTRL_AT91
+ select SOC_SAM_V4_V5
+ select SRAM if PM
+ help
+ Select this if you are using Microchip's SAM9X7 SoC
+
comment "Clocksource driver selection"
config ATMEL_CLOCKSOURCE_PIT
bool "Periodic Interval Timer (PIT) support"
- depends on SOC_AT91SAM9 || SOC_SAM9X60 || SOC_SAMA5
+ depends on SOC_AT91SAM9 || SOC_SAM9X60 || SOC_SAM9X7 || SOC_SAMA5
default SOC_AT91SAM9 || SOC_SAMA5
select ATMEL_PIT
help
@@ -155,7 +171,7 @@ config ATMEL_CLOCKSOURCE_PIT
config ATMEL_CLOCKSOURCE_TCB
bool "Timer Counter Blocks (TCB) support"
- default SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAM9X60 || SOC_SAMA5
+ default SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAM9X60 || SOC_SAM9X7 || SOC_SAMA5
select ATMEL_TCB_CLKSRC
help
Select this to get a high precision clocksource based on a
@@ -166,7 +182,7 @@ config ATMEL_CLOCKSOURCE_TCB
config MICROCHIP_CLOCKSOURCE_PIT64B
bool "64-bit Periodic Interval Timer (PIT64B) support"
- default SOC_SAM9X60 || SOC_SAMA7
+ default SOC_SAM9X60 || SOC_SAM9X7 || SOC_SAMA7
select MICROCHIP_PIT64B
help
Select this to get a high resolution clockevent (SAM9X60) or
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 794bd12ab0a8..7d8a7bc44e65 100644
--- 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/generic.h b/arch/arm/mach-at91/generic.h
index 0c3960a8b3eb..acf0b3c82a30 100644
--- a/arch/arm/mach-at91/generic.h
+++ b/arch/arm/mach-at91/generic.h
@@ -12,6 +12,7 @@
extern void __init at91rm9200_pm_init(void);
extern void __init at91sam9_pm_init(void);
extern void __init sam9x60_pm_init(void);
+extern void __init sam9x7_pm_init(void);
extern void __init sama5_pm_init(void);
extern void __init sama5d2_pm_init(void);
extern void __init sama7_pm_init(void);
@@ -19,6 +20,7 @@ extern void __init sama7_pm_init(void);
static inline void __init at91rm9200_pm_init(void) { }
static inline void __init at91sam9_pm_init(void) { }
static inline void __init sam9x60_pm_init(void) { }
+static inline void __init sam9x7_pm_init(void) { }
static inline void __init sama5_pm_init(void) { }
static inline void __init sama5d2_pm_init(void) { }
static inline void __init sama7_pm_init(void) { }
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 345b91dc6627..b9b995f8a36e 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -233,6 +233,13 @@ static const struct of_device_id sama7g5_ws_ids[] = {
{ /* sentinel */ }
};
+static const struct of_device_id sam9x7_ws_ids[] = {
+ { .compatible = "microchip,sam9x7-rtc", .data = &ws_info[1] },
+ { .compatible = "microchip,sam9x7-rtt", .data = &ws_info[4] },
+ { .compatible = "microchip,sam9x7-gem", .data = &ws_info[5] },
+ { /* sentinel */ }
+};
+
static int at91_pm_config_ws(unsigned int pm_mode, bool set)
{
const struct wakeup_source_info *wsi;
@@ -1361,6 +1368,7 @@ static const struct of_device_id atmel_pmc_ids[] __initconst = {
{ .compatible = "atmel,sama5d4-pmc", .data = &pmc_infos[1] },
{ .compatible = "atmel,sama5d2-pmc", .data = &pmc_infos[1] },
{ .compatible = "microchip,sam9x60-pmc", .data = &pmc_infos[4] },
+ { .compatible = "microchip,sam9x7-pmc", .data = &pmc_infos[4] },
{ .compatible = "microchip,sama7g5-pmc", .data = &pmc_infos[5] },
{ /* sentinel */ },
};
@@ -1499,6 +1507,27 @@ void __init sam9x60_pm_init(void)
soc_pm.config_pmc_ws = at91_sam9x60_config_pmc_ws;
}
+void __init sam9x7_pm_init(void)
+{
+ static const int modes[] __initconst = {
+ AT91_PM_STANDBY, AT91_PM_ULP0,
+ };
+ int ret;
+
+ if (!IS_ENABLED(CONFIG_SOC_SAM9X7))
+ return;
+
+ at91_pm_modes_validate(modes, ARRAY_SIZE(modes));
+ ret = at91_dt_ramc(false);
+ if (ret)
+ return;
+
+ at91_pm_init(NULL);
+
+ soc_pm.ws_ids = sam9x7_ws_ids;
+ soc_pm.config_pmc_ws = at91_sam9x60_config_pmc_ws;
+}
+
void __init at91sam9_pm_init(void)
{
int ret;
diff --git a/arch/arm/mach-at91/sam9x7.c b/arch/arm/mach-at91/sam9x7.c
new file mode 100644
index 000000000000..e1ff30b5b09b
--- /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