Commit 67146942 authored by Varshini Rajendran's avatar Varshini Rajendran Committed by Claudiu Beznea
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ARM: at91: pm: add support for sam9x7 SoC family 



Add support and pm init config for sam9x7 SoC.

Signed-off-by: default avatarVarshini Rajendran <varshini.rajendran@microchip.com>
Reviewed-by: default avatarClaudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20240729070659.1990506-1-varshini.rajendran@microchip.com


Signed-off-by: default avatarClaudiu Beznea <claudiu.beznea@tuxon.dev>
parent 1afe599a

arch/arm/mach-at91/generic.h

+2 −0
Original line number Diff line number Diff line
@@ -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) { }

arch/arm/mach-at91/pm.c

+29 −0
Original line number Diff line number Diff line
@@ -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;