Kernel/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-01-08 14:23:19 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

ARM: at91: pm: add support for sam9x7 SoC family

Browse Source 
Add support and pm init config for sam9x7 SoC.

Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20240729070659.1990506-1-varshini.rajendran@microchip.com
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
This commit is contained in:
Varshini Rajendran 2024-07-29 12:36:59 +05:30 committed by Claudiu Beznea
parent 1afe599a0a
commit 67146942ef
2 changed files with 31 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mach-at91/generic.h
View File

@ -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) { }

29
arch/arm/mach-at91/pm.c
View File

@ -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;