From: Meng Yi <meng.yi@nxp.com>
To: Meng Yi <meng.yi@nxp.com>,
        "a.zummo@towertech.it" <a.zummo@towertech.it>,
        "alexandre.belloni@free-electrons.com" 
        <alexandre.belloni@free-electrons.com>
CC: "rtc-linux@googlegroups.com" <rtc-linux@googlegroups.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [RFC PATCH] rtc/nxp: add FTM alarm driver as the wakeup source
Thread-Topic: [RFC PATCH] rtc/nxp: add FTM alarm driver as the wakeup source
Thread-Index: AQHSLZmfOcr+I159UUKSnEgqrnRCnaDFZ7Ew
Date: Wed, 2 Nov 2016 08:23:32 +0000
Message-ID: <DB6PR0401MB263163BD3E6AF420934DC6FAECA00@DB6PR0401MB2631.eurprd04.prod.outlook.com>
References: <1477273336-48449-1-git-send-email-meng.yi@nxp.com>
In-Reply-To: <1477273336-48449-1-git-send-email-meng.yi@nxp.com>
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> +
> +static int ftm_alarm_irq_enable(struct device *dev, unsigned int
> +enabled) {
> +	if (enabled)
> +		ftm_irq_enable(true);
> +	else
> +		ftm_irq_enable(false);
> +
> +	return 0;
> +}
> +
> +static int nxp_ftm_rtc_read_time(struct device *dev, struct rtc_time
> +*tm) {
> +	struct timeval time;
> +	unsigned long local_time;
> +
> +	do_gettimeofday(&time);
> +	local_time = (u32)(time.tv_sec - (sys_tz.tz_minuteswest * 60));
> +	rtc_time_to_tm(local_time, tm);
> +
> +	return 0;
> +}
> +

This is not really getting time from the RTC since FTM is not a RTC device,
But we need to get the time to setup alarm, so we are using system time for now.
Anybody have better idea?

Meng