mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-26 17:01:14 +00:00
97 lines
3.2 KiB
Diff
97 lines
3.2 KiB
Diff
From aba3984dc7a405d20b83bff603d23719d0e26bc7 Mon Sep 17 00:00:00 2001
|
|
From: Claudiu Beznea <claudiu.beznea@microchip.com>
|
|
Date: Thu, 15 Apr 2021 13:50:09 +0300
|
|
Subject: [PATCH 218/247] ARM: at91: pm: add pm support for SAMA7G5
|
|
|
|
Add support for SAMA7G5 power management modes: standby, ulp0, ulp1, backup.
|
|
|
|
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
|
|
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
|
|
Link: https://lore.kernel.org/r/20210415105010.569620-24-claudiu.beznea@microchip.com
|
|
---
|
|
arch/arm/mach-at91/generic.h | 2 ++
|
|
arch/arm/mach-at91/pm.c | 37 ++++++++++++++++++++++++++++++++++++
|
|
arch/arm/mach-at91/sama7.c | 1 +
|
|
3 files changed, 40 insertions(+)
|
|
|
|
--- a/arch/arm/mach-at91/generic.h
|
|
+++ b/arch/arm/mach-at91/generic.h
|
|
@@ -14,12 +14,14 @@ extern void __init at91sam9_pm_init(void
|
|
extern void __init sam9x60_pm_init(void);
|
|
extern void __init sama5_pm_init(void);
|
|
extern void __init sama5d2_pm_init(void);
|
|
+extern void __init sama7_pm_init(void);
|
|
#else
|
|
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 sama5_pm_init(void) { }
|
|
static inline void __init sama5d2_pm_init(void) { }
|
|
+static inline void __init sama7_pm_init(void) { }
|
|
#endif
|
|
|
|
#endif /* _AT91_GENERIC_H */
|
|
--- a/arch/arm/mach-at91/pm.c
|
|
+++ b/arch/arm/mach-at91/pm.c
|
|
@@ -152,6 +152,17 @@ static const struct of_device_id sam9x60
|
|
{ /* sentinel */ }
|
|
};
|
|
|
|
+static const struct of_device_id sama7g5_ws_ids[] = {
|
|
+ { .compatible = "atmel,at91sam9x5-rtc", .data = &ws_info[1] },
|
|
+ { .compatible = "microchip,sama7g5-ohci", .data = &ws_info[2] },
|
|
+ { .compatible = "usb-ohci", .data = &ws_info[2] },
|
|
+ { .compatible = "atmel,at91sam9g45-ehci", .data = &ws_info[2] },
|
|
+ { .compatible = "usb-ehci", .data = &ws_info[2] },
|
|
+ { .compatible = "microchip,sama7g5-sdhci", .data = &ws_info[3] },
|
|
+ { .compatible = "atmel,at91sam9260-rtt", .data = &ws_info[4] },
|
|
+ { /* sentinel */ }
|
|
+};
|
|
+
|
|
static int at91_pm_config_ws(unsigned int pm_mode, bool set)
|
|
{
|
|
const struct wakeup_source_info *wsi;
|
|
@@ -1139,6 +1150,32 @@ void __init sama5d2_pm_init(void)
|
|
soc_pm.config_pmc_ws = at91_sama5d2_config_pmc_ws;
|
|
}
|
|
|
|
+void __init sama7_pm_init(void)
|
|
+{
|
|
+ static const int modes[] __initconst = {
|
|
+ AT91_PM_STANDBY, AT91_PM_ULP0, AT91_PM_ULP1, AT91_PM_BACKUP,
|
|
+ };
|
|
+ static const u32 iomaps[] __initconst = {
|
|
+ [AT91_PM_ULP0] = AT91_PM_IOMAP(SFRBU),
|
|
+ [AT91_PM_ULP1] = AT91_PM_IOMAP(SFRBU) |
|
|
+ AT91_PM_IOMAP(SHDWC),
|
|
+ [AT91_PM_BACKUP] = AT91_PM_IOMAP(SFRBU) |
|
|
+ AT91_PM_IOMAP(SHDWC),
|
|
+ };
|
|
+
|
|
+ if (!IS_ENABLED(CONFIG_SOC_SAMA7))
|
|
+ return;
|
|
+
|
|
+ at91_pm_modes_validate(modes, ARRAY_SIZE(modes));
|
|
+
|
|
+ at91_dt_ramc(true);
|
|
+ at91_pm_modes_init(iomaps, ARRAY_SIZE(iomaps));
|
|
+ at91_pm_init(NULL);
|
|
+
|
|
+ soc_pm.ws_ids = sama7g5_ws_ids;
|
|
+ soc_pm.config_pmc_ws = at91_sam9x60_config_pmc_ws;
|
|
+}
|
|
+
|
|
static int __init at91_pm_modes_select(char *str)
|
|
{
|
|
char *s;
|
|
--- a/arch/arm/mach-at91/sama7.c
|
|
+++ b/arch/arm/mach-at91/sama7.c
|
|
@@ -17,6 +17,7 @@
|
|
static void __init sama7_dt_device_init(void)
|
|
{
|
|
of_platform_default_populate(NULL, NULL, NULL);
|
|
+ sama7_pm_init();
|
|
}
|
|
|
|
static const char *const sama7_dt_board_compat[] __initconst = {
|