From: lee.jones@linaro.org (Lee Jones)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] mfd: mc13xxx: Configure WDI reset
Date: Mon, 8 Sep 2014 08:27:17 +0100 [thread overview]
Message-ID: <20140908072717.GH1397@lee--X1> (raw)
In-Reply-To: <1410159671-25873-1-git-send-email-mpa@pengutronix.de>
On Mon, 08 Sep 2014, Markus Pargmann wrote:
> Setup the PMIC to make a restart when a watchdog interrupt occures.
> If this is not configured, the PMIC will shut down the power supply
> without a restart.
>
> Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
> ---
> drivers/mfd/mc13xxx-core.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
Applied, thanks.
> diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c
> index 2b6bc868cd3d..64dde5d24b32 100644
> --- a/drivers/mfd/mc13xxx-core.c
> +++ b/drivers/mfd/mc13xxx-core.c
> @@ -36,6 +36,9 @@
> #define MC34708_REVISION_FIN (0x07 << 6)
> #define MC34708_REVISION_FAB (0x07 << 9)
>
> +#define MC13XXX_PWRCTRL 15
> +#define MC13XXX_PWRCTRL_WDIRESET (1 << 12)
> +
> #define MC13XXX_ADC1 44
> #define MC13XXX_ADC1_ADEN (1 << 0)
> #define MC13XXX_ADC1_RAND (1 << 1)
> @@ -416,6 +419,11 @@ int mc13xxx_common_init(struct device *dev)
>
> mc13xxx->variant->print_revision(mc13xxx, revision);
>
> + ret = mc13xxx_reg_rmw(mc13xxx, MC13XXX_PWRCTRL,
> + MC13XXX_PWRCTRL_WDIRESET, MC13XXX_PWRCTRL_WDIRESET);
> + if (ret)
> + return ret;
> +
> for (i = 0; i < ARRAY_SIZE(mc13xxx->irqs); i++) {
> mc13xxx->irqs[i].reg_offset = i / MC13XXX_IRQ_PER_REG;
> mc13xxx->irqs[i].mask = BIT(i % MC13XXX_IRQ_PER_REG);
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org ? Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2014-09-08 7:27 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-08 7:01 [PATCH] mfd: mc13xxx: Configure WDI reset Markus Pargmann
2014-09-08 7:27 ` Lee Jones [this message]
2014-09-08 7:42 ` Philippe Rétornaz
2014-09-08 9:25 ` Markus Pargmann
2014-09-08 12:06 ` Philippe Rétornaz
2014-09-09 5:51 ` Markus Pargmann
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140908072717.GH1397@lee--X1 \
--to=lee.jones@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.