From: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
To: Lee Jones <lee.jones@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Mark Brown <broonie@kernel.org>,
Eddie Huang <eddie.huang@mediatek.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>,
<srv_heupstream@mediatek.com>,
<linux-mediatek@lists.infradead.org>, <linux-rtc@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, Liam Girdwood <lgirdwood@gmail.com>,
Mark Rutland <mark.rutland@arm.com>,
Sean Wang <sean.wang@mediatek.com>,
Alessandro Zummo <a.zummo@towertech.it>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Ran Bi <ran.bi@mediatek.com>
Subject: [PATCH v2 9/9] rtc: Add support for the MediaTek MT6358 RTC
Date: Mon, 11 Mar 2019 11:46:31 +0800 [thread overview]
Message-ID: <1552275991-34648-10-git-send-email-hsin-hsiung.wang@mediatek.com> (raw)
In-Reply-To: <1552275991-34648-1-git-send-email-hsin-hsiung.wang@mediatek.com>
From: Ran Bi <ran.bi@mediatek.com>
This add support for the MediaTek MT6358 RTC. MT6397 mfd will pass
RTC_WRTGR address offset to RTC driver.
Signed-off-by: Ran Bi <ran.bi@mediatek.com>
---
drivers/rtc/rtc-mt6397.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
index f85f1fc..c8a0090 100644
--- a/drivers/rtc/rtc-mt6397.c
+++ b/drivers/rtc/rtc-mt6397.c
@@ -27,7 +27,7 @@
#define RTC_BBPU 0x0000
#define RTC_BBPU_CBUSY BIT(6)
-#define RTC_WRTGR 0x003c
+#define RTC_WRTGR_DEFAULT 0x003c
#define RTC_IRQ_STA 0x0002
#define RTC_IRQ_STA_AL BIT(0)
@@ -78,6 +78,7 @@ struct mt6397_rtc {
struct regmap *regmap;
int irq;
u32 addr_base;
+ u32 wrtgr_offset;
};
static int mtk_rtc_write_trigger(struct mt6397_rtc *rtc)
@@ -86,7 +87,8 @@ static int mtk_rtc_write_trigger(struct mt6397_rtc *rtc)
int ret;
u32 data;
- ret = regmap_write(rtc->regmap, rtc->addr_base + RTC_WRTGR, 1);
+ ret = regmap_write(rtc->regmap,
+ rtc->addr_base + rtc->wrtgr_offset, 1);
if (ret < 0)
return ret;
@@ -341,6 +343,15 @@ static int mtk_rtc_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
rtc->addr_base = res->start;
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
+ if (res) {
+ rtc->wrtgr_offset = res->start;
+ dev_info(&pdev->dev, "register offset:%d\n", rtc->wrtgr_offset);
+ } else {
+ rtc->wrtgr_offset = RTC_WRTGR_DEFAULT;
+ dev_err(&pdev->dev, "Failed to get register offset\n");
+ }
+
rtc->irq = platform_get_irq(pdev, 0);
if (rtc->irq < 0)
return rtc->irq;
@@ -420,6 +431,7 @@ static SIMPLE_DEV_PM_OPS(mt6397_pm_ops, mt6397_rtc_suspend,
mt6397_rtc_resume);
static const struct of_device_id mt6397_rtc_of_match[] = {
+ { .compatible = "mediatek,mt6358-rtc", },
{ .compatible = "mediatek,mt6397-rtc", },
{ }
};
--
1.9.1
next prev parent reply other threads:[~2019-03-11 3:48 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-11 3:46 [PATCH v2 0/9] Add Support for MediaTek PMIC MT6358 Hsin-Hsiung Wang
2019-03-11 3:46 ` [PATCH v2 1/9] mfd: mt6397: clean up code Hsin-Hsiung Wang
2019-03-11 19:01 ` Sean Wang
2019-03-12 14:49 ` Matthias Brugger
2019-04-02 6:48 ` Lee Jones
2019-03-11 3:46 ` [PATCH v2 2/9] mfd: mt6397: extract irq related code from core driver Hsin-Hsiung Wang
2019-03-11 19:10 ` Sean Wang
2019-03-14 23:25 ` Nicolas Boichat
2019-03-11 3:46 ` [PATCH v2 3/9] dt-bindings: mfd: Add compatible for the MediaTek MT6358 PMIC Hsin-Hsiung Wang
2019-03-11 19:19 ` Sean Wang
2019-03-11 22:06 ` Rob Herring
2019-03-12 2:25 ` Sean Wang
2019-04-02 7:00 ` Lee Jones
2019-03-11 3:46 ` [PATCH v2 4/9] regulator: Add document for MT6358 regulator Hsin-Hsiung Wang
2019-03-11 19:43 ` Sean Wang
2019-03-11 3:46 ` [PATCH v2 5/9] mfd: Add support for the MediaTek MT6358 PMIC Hsin-Hsiung Wang
2019-03-11 8:22 ` Nicolas Boichat
2019-03-11 20:05 ` Sean Wang
2019-03-15 7:10 ` Nicolas Boichat
2019-03-15 7:37 ` Claire Chang
2019-03-11 3:46 ` [PATCH v2 6/9] regulator: mt6358: Add support for MT6358 regulator Hsin-Hsiung Wang
2019-03-13 15:01 ` Mark Brown
2019-03-11 3:46 ` [PATCH v2 7/9] arm64: dts: mt6358: add PMIC MT6358 related nodes Hsin-Hsiung Wang
2019-03-11 20:23 ` Sean Wang
2019-03-11 3:46 ` [PATCH v2 8/9] rtc: mt6397: fix alarm register overwrite Hsin-Hsiung Wang
2019-03-11 6:05 ` Eddie Huang
2019-03-11 20:50 ` Sean Wang
2019-03-14 2:46 ` mtk14576
2019-04-02 14:07 ` Alexandre Belloni
2019-03-11 3:46 ` Hsin-Hsiung Wang [this message]
2019-03-11 6:10 ` [PATCH v2 9/9] rtc: Add support for the MediaTek MT6358 RTC Eddie Huang
2019-03-21 9:51 ` Yingjoe Chen
2019-04-02 14:06 ` Alexandre Belloni
2019-03-11 21:21 ` [PATCH v2 0/9] Add Support for MediaTek PMIC MT6358 Alexandre Belloni
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