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Date: Fri, 23 Feb 2024 22:57:05 +0530
From: Varshini Rajendran <varshini.rajendran@...rochip.com>
To: <linux@...linux.org.uk>, <nicolas.ferre@...rochip.com>,
	<alexandre.belloni@...tlin.com>, <claudiu.beznea@...on.dev>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
CC: <varshini.rajendran@...rochip.com>, Claudiu Beznea
	<claudiu.beznea@...rochip.com>
Subject: [PATCH v4 18/39] 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@...rochip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
---
 arch/arm/mach-at91/generic.h |  2 ++
 arch/arm/mach-at91/pm.c      | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+)

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..b81556387aa3 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -233,6 +233,17 @@ static const struct of_device_id sama7g5_ws_ids[] = {
 	{ /* sentinel */ }
 };
 
+static const struct of_device_id sam9x7_ws_ids[] = {
+	{ .compatible = "microchip,sam9x60-rtc",	.data = &ws_info[1] },
+	{ .compatible = "atmel,at91rm9200-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,sam9x60-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;
@@ -1135,6 +1146,7 @@ static const struct of_device_id gmac_ids[] __initconst = {
 	{ .compatible = "atmel,sama5d2-gem" },
 	{ .compatible = "atmel,sama5d29-gem" },
 	{ .compatible = "microchip,sama7g5-gem" },
+	{ .compatible = "microchip,sam9x7-gem" },
 	{ },
 };
 
@@ -1362,6 +1374,7 @@ static const struct of_device_id atmel_pmc_ids[] __initconst = {
 	{ .compatible = "atmel,sama5d2-pmc", .data = &pmc_infos[1] },
 	{ .compatible = "microchip,sam9x60-pmc", .data = &pmc_infos[4] },
 	{ .compatible = "microchip,sama7g5-pmc", .data = &pmc_infos[5] },
+	{ .compatible = "microchip,sam9x7-pmc", .data = &pmc_infos[4] },
 	{ /* sentinel */ },
 };
 
@@ -1499,6 +1512,28 @@ 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;
-- 
2.25.1


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