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| author | Varshini Rajendran <varshini.rajendran@microchip.com> | 2024-07-29 10:06:59 +0300 |
|---|---|---|
| committer | Claudiu Beznea <claudiu.beznea@tuxon.dev> | 2024-08-07 19:24:44 +0300 |
| commit | 67146942efe9077b5d09a43e1aa41f9602d916ef (patch) | |
| tree | 375edc106a5256a6bf7a5248ce5e3daed625f0e8 /arch/arm/mach-at91 | |
| parent | 1afe599a0a484225bda6098feb22562831d72a4e (diff) | |
| download | linux-67146942efe9077b5d09a43e1aa41f9602d916ef.tar.xz | |
ARM: at91: pm: add support for sam9x7 SoC family
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>
Diffstat (limited to 'arch/arm/mach-at91')
| -rw-r--r-- | arch/arm/mach-at91/generic.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-at91/pm.c | 29 |
2 files changed, 31 insertions, 0 deletions
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; |