From: <Claudiu.Beznea@microchip.com>
To: <robh+dt@kernel.org>, <mark.rutland@arm.com>,
<Nicolas.Ferre@microchip.com>, <alexandre.belloni@bootlin.com>,
<Ludovic.Desroches@microchip.com>, <sre@kernel.org>
Cc: <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <linux-pm@vger.kernel.org>,
<Claudiu.Beznea@microchip.com>
Subject: [PATCH 1/3] power: reset: at91-poweroff: add RTT wakeup capability
Date: Thu, 14 Feb 2019 11:24:07 +0000 [thread overview]
Message-ID: <1550143407-26109-2-git-send-email-claudiu.beznea@microchip.com> (raw)
In-Reply-To: <1550143407-26109-1-git-send-email-claudiu.beznea@microchip.com>
From: Claudiu Beznea <claudiu.beznea@microchip.com>
Add RTT wakeup capability.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
drivers/power/reset/at91-sama5d2_shdwc.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c
index 2b686c55b717..0747e0cdf350 100644
--- a/drivers/power/reset/at91-sama5d2_shdwc.c
+++ b/drivers/power/reset/at91-sama5d2_shdwc.c
@@ -57,15 +57,21 @@
#define SHDW_WK_PIN(reg, cfg) ((reg) & AT91_SHDW_WKUPIS((cfg)->wkup_pin_input))
#define SHDW_RTCWK(reg, cfg) (((reg) >> ((cfg)->sr_rtcwk_shift)) & 0x1)
+#define SHDW_RTTWK(reg, cfg) (((reg) >> ((cfg)->sr_rttwk_shift)) & 0x1)
#define SHDW_RTCWKEN(cfg) (1 << ((cfg)->mr_rtcwk_shift))
+#define SHDW_RTTWKEN(cfg) (1 << ((cfg)->mr_rttwk_shift))
#define DBC_PERIOD_US(x) DIV_ROUND_UP_ULL((1000000 * (x)), \
SLOW_CLOCK_FREQ)
+#define SHDW_CFG_NOT_USED (32)
+
struct shdwc_config {
u8 wkup_pin_input;
u8 mr_rtcwk_shift;
+ u8 mr_rttwk_shift;
u8 sr_rtcwk_shift;
+ u8 sr_rttwk_shift;
};
struct shdwc {
@@ -104,6 +110,8 @@ static void __init at91_wakeup_status(struct platform_device *pdev)
reason = "WKUP pin";
else if (SHDW_RTCWK(reg, shdw->cfg))
reason = "RTC";
+ else if (SHDW_RTTWK(reg, shdw->cfg))
+ reason = "RTT";
pr_info("AT91: Wake-Up source: %s\n", reason);
}
@@ -221,6 +229,9 @@ static void at91_shdwc_dt_configure(struct platform_device *pdev)
if (of_property_read_bool(np, "atmel,wakeup-rtc-timer"))
mode |= SHDW_RTCWKEN(shdw->cfg);
+ if (of_property_read_bool(np, "atmel,wakeup-rtt-timer"))
+ mode |= SHDW_RTTWKEN(shdw->cfg);
+
dev_dbg(&pdev->dev, "%s: mode = %#x\n", __func__, mode);
writel(mode, shdw->shdwc_base + AT91_SHDW_MR);
@@ -231,7 +242,10 @@ static void at91_shdwc_dt_configure(struct platform_device *pdev)
static const struct shdwc_config sama5d2_shdwc_config = {
.wkup_pin_input = 0,
.mr_rtcwk_shift = 17,
+ .mr_rttwk_shift = SHDW_CFG_NOT_USED,
.sr_rtcwk_shift = 5,
+ .sr_rttwk_shift = SHDW_CFG_NOT_USED,
+};
};
static const struct of_device_id at91_shdwc_of_match[] = {
--
2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: <Claudiu.Beznea@microchip.com>
To: robh+dt@kernel.org, mark.rutland@arm.com,
Nicolas.Ferre@microchip.com, alexandre.belloni@bootlin.com,
Ludovic.Desroches@microchip.com, sre@kernel.org
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
Claudiu.Beznea@microchip.com
Subject: [PATCH 1/3] power: reset: at91-poweroff: add RTT wakeup capability
Date: Thu, 14 Feb 2019 11:24:07 +0000 [thread overview]
Message-ID: <1550143407-26109-2-git-send-email-claudiu.beznea@microchip.com> (raw)
In-Reply-To: <1550143407-26109-1-git-send-email-claudiu.beznea@microchip.com>
From: Claudiu Beznea <claudiu.beznea@microchip.com>
Add RTT wakeup capability.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
drivers/power/reset/at91-sama5d2_shdwc.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c
index 2b686c55b717..0747e0cdf350 100644
--- a/drivers/power/reset/at91-sama5d2_shdwc.c
+++ b/drivers/power/reset/at91-sama5d2_shdwc.c
@@ -57,15 +57,21 @@
#define SHDW_WK_PIN(reg, cfg) ((reg) & AT91_SHDW_WKUPIS((cfg)->wkup_pin_input))
#define SHDW_RTCWK(reg, cfg) (((reg) >> ((cfg)->sr_rtcwk_shift)) & 0x1)
+#define SHDW_RTTWK(reg, cfg) (((reg) >> ((cfg)->sr_rttwk_shift)) & 0x1)
#define SHDW_RTCWKEN(cfg) (1 << ((cfg)->mr_rtcwk_shift))
+#define SHDW_RTTWKEN(cfg) (1 << ((cfg)->mr_rttwk_shift))
#define DBC_PERIOD_US(x) DIV_ROUND_UP_ULL((1000000 * (x)), \
SLOW_CLOCK_FREQ)
+#define SHDW_CFG_NOT_USED (32)
+
struct shdwc_config {
u8 wkup_pin_input;
u8 mr_rtcwk_shift;
+ u8 mr_rttwk_shift;
u8 sr_rtcwk_shift;
+ u8 sr_rttwk_shift;
};
struct shdwc {
@@ -104,6 +110,8 @@ static void __init at91_wakeup_status(struct platform_device *pdev)
reason = "WKUP pin";
else if (SHDW_RTCWK(reg, shdw->cfg))
reason = "RTC";
+ else if (SHDW_RTTWK(reg, shdw->cfg))
+ reason = "RTT";
pr_info("AT91: Wake-Up source: %s\n", reason);
}
@@ -221,6 +229,9 @@ static void at91_shdwc_dt_configure(struct platform_device *pdev)
if (of_property_read_bool(np, "atmel,wakeup-rtc-timer"))
mode |= SHDW_RTCWKEN(shdw->cfg);
+ if (of_property_read_bool(np, "atmel,wakeup-rtt-timer"))
+ mode |= SHDW_RTTWKEN(shdw->cfg);
+
dev_dbg(&pdev->dev, "%s: mode = %#x\n", __func__, mode);
writel(mode, shdw->shdwc_base + AT91_SHDW_MR);
@@ -231,7 +242,10 @@ static void at91_shdwc_dt_configure(struct platform_device *pdev)
static const struct shdwc_config sama5d2_shdwc_config = {
.wkup_pin_input = 0,
.mr_rtcwk_shift = 17,
+ .mr_rttwk_shift = SHDW_CFG_NOT_USED,
.sr_rtcwk_shift = 5,
+ .sr_rttwk_shift = SHDW_CFG_NOT_USED,
+};
};
static const struct of_device_id at91_shdwc_of_match[] = {
--
2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: <Claudiu.Beznea@microchip.com>
To: <robh+dt@kernel.org>, <mark.rutland@arm.com>,
<Nicolas.Ferre@microchip.com>, <alexandre.belloni@bootlin.com>,
<Ludovic.Desroches@microchip.com>, <sre@kernel.org>
Cc: devicetree@vger.kernel.org, Claudiu.Beznea@microchip.com,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org
Subject: [PATCH 1/3] power: reset: at91-poweroff: add RTT wakeup capability
Date: Thu, 14 Feb 2019 11:24:07 +0000 [thread overview]
Message-ID: <1550143407-26109-2-git-send-email-claudiu.beznea@microchip.com> (raw)
In-Reply-To: <1550143407-26109-1-git-send-email-claudiu.beznea@microchip.com>
From: Claudiu Beznea <claudiu.beznea@microchip.com>
Add RTT wakeup capability.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
drivers/power/reset/at91-sama5d2_shdwc.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c
index 2b686c55b717..0747e0cdf350 100644
--- a/drivers/power/reset/at91-sama5d2_shdwc.c
+++ b/drivers/power/reset/at91-sama5d2_shdwc.c
@@ -57,15 +57,21 @@
#define SHDW_WK_PIN(reg, cfg) ((reg) & AT91_SHDW_WKUPIS((cfg)->wkup_pin_input))
#define SHDW_RTCWK(reg, cfg) (((reg) >> ((cfg)->sr_rtcwk_shift)) & 0x1)
+#define SHDW_RTTWK(reg, cfg) (((reg) >> ((cfg)->sr_rttwk_shift)) & 0x1)
#define SHDW_RTCWKEN(cfg) (1 << ((cfg)->mr_rtcwk_shift))
+#define SHDW_RTTWKEN(cfg) (1 << ((cfg)->mr_rttwk_shift))
#define DBC_PERIOD_US(x) DIV_ROUND_UP_ULL((1000000 * (x)), \
SLOW_CLOCK_FREQ)
+#define SHDW_CFG_NOT_USED (32)
+
struct shdwc_config {
u8 wkup_pin_input;
u8 mr_rtcwk_shift;
+ u8 mr_rttwk_shift;
u8 sr_rtcwk_shift;
+ u8 sr_rttwk_shift;
};
struct shdwc {
@@ -104,6 +110,8 @@ static void __init at91_wakeup_status(struct platform_device *pdev)
reason = "WKUP pin";
else if (SHDW_RTCWK(reg, shdw->cfg))
reason = "RTC";
+ else if (SHDW_RTTWK(reg, shdw->cfg))
+ reason = "RTT";
pr_info("AT91: Wake-Up source: %s\n", reason);
}
@@ -221,6 +229,9 @@ static void at91_shdwc_dt_configure(struct platform_device *pdev)
if (of_property_read_bool(np, "atmel,wakeup-rtc-timer"))
mode |= SHDW_RTCWKEN(shdw->cfg);
+ if (of_property_read_bool(np, "atmel,wakeup-rtt-timer"))
+ mode |= SHDW_RTTWKEN(shdw->cfg);
+
dev_dbg(&pdev->dev, "%s: mode = %#x\n", __func__, mode);
writel(mode, shdw->shdwc_base + AT91_SHDW_MR);
@@ -231,7 +242,10 @@ static void at91_shdwc_dt_configure(struct platform_device *pdev)
static const struct shdwc_config sama5d2_shdwc_config = {
.wkup_pin_input = 0,
.mr_rtcwk_shift = 17,
+ .mr_rttwk_shift = SHDW_CFG_NOT_USED,
.sr_rtcwk_shift = 5,
+ .sr_rttwk_shift = SHDW_CFG_NOT_USED,
+};
};
static const struct of_device_id at91_shdwc_of_match[] = {
--
2.7.4
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linux-arm-kernel mailing list
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-02-14 11:24 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-14 11:24 [PATCH 0/3] add support for SAM9X60's shutdown controller Claudiu.Beznea
2019-02-14 11:24 ` Claudiu.Beznea
2019-02-14 11:24 ` Claudiu.Beznea
2019-02-14 11:24 ` Claudiu.Beznea [this message]
2019-02-14 11:24 ` [PATCH 1/3] power: reset: at91-poweroff: add RTT wakeup capability Claudiu.Beznea
2019-02-14 11:24 ` Claudiu.Beznea
2019-02-18 10:59 ` Nicolas.Ferre
2019-02-18 10:59 ` Nicolas.Ferre
2019-02-18 10:59 ` Nicolas.Ferre
2019-02-14 11:24 ` [PATCH 2/3] power: reset: at91-poweroff: add support for SAM9X60 Claudiu.Beznea
2019-02-14 11:24 ` Claudiu.Beznea
2019-02-14 11:24 ` Claudiu.Beznea
2019-02-18 10:59 ` Nicolas.Ferre
2019-02-18 10:59 ` Nicolas.Ferre
2019-02-18 10:59 ` Nicolas.Ferre
2019-02-14 11:24 ` [PATCH 3/3] dt-bindings: arm: atmel: add binding for SAM9X60 shutdown controller Claudiu.Beznea
2019-02-14 11:24 ` Claudiu.Beznea
2019-02-14 11:24 ` Claudiu.Beznea
2019-02-18 11:01 ` Nicolas.Ferre
2019-02-18 11:01 ` Nicolas.Ferre
2019-02-18 11:01 ` Nicolas.Ferre
2019-02-18 14:47 ` Claudiu.Beznea
2019-02-18 14:47 ` Claudiu.Beznea
2019-02-18 14:47 ` Claudiu.Beznea
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