[PATCH 2/3] power: pmic: rk8xx: bind rk808 RTC
Suniel Mahesh
sunil at amarulasolutions.com
Fri May 15 10:54:53 CEST 2020
On Fri, May 15, 2020 at 1:31 PM Kever Yang <kever.yang at rock-chips.com>
wrote:
> Hi Suniel,
>
> Do you have plan to update this patch set?,
>
Hi Kever,
Yes I do have plan to update this patch. Any timeline's you are looking at ?
Please let me know.
Thanks
Suniel
>
>
> Thanks,
>
> - Kever
>
> On 2020/4/23 上午12:11, sunil at amarulasolutions.com wrote:
> > From: Suniel Mahesh <sunil at amarulasolutions.com>
> >
> > RK808 PMIC is a multi functional device with an RTC. In order to access
> > RTC, bind to its parent device i.e. RK808 PMIC.
> >
> > Signed-off-by: Suniel Mahesh <sunil at amarulasolutions.com>
> > ---
> > drivers/power/pmic/rk8xx.c | 19 ++++++++++++++++++-
> > 1 file changed, 18 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/power/pmic/rk8xx.c b/drivers/power/pmic/rk8xx.c
> > index 52e6d9d..8d6b64e 100644
> > --- a/drivers/power/pmic/rk8xx.c
> > +++ b/drivers/power/pmic/rk8xx.c
> > @@ -24,6 +24,11 @@ static const struct pmic_child_info
> pmic_children_info[] = {
> > { },
> > };
> >
> > +static const struct pmic_child_info rtc_info[] = {
> > + { .prefix = "rk808-rtc", .driver = "rk808_rtc"},
> > + { },
> > +};
> > +
> > static int rk8xx_reg_count(struct udevice *dev)
> > {
> > return RK808_NUM_OF_REGS;
> > @@ -59,7 +64,7 @@ static int rk8xx_read(struct udevice *dev, uint reg,
> uint8_t *buff, int len)
> > #if CONFIG_IS_ENABLED(PMIC_CHILDREN)
> > static int rk8xx_bind(struct udevice *dev)
> > {
> > - ofnode regulators_node;
> > + ofnode regulators_node, rtc_node;
> > int children;
> >
> > regulators_node = dev_read_subnode(dev, "regulators");
> > @@ -75,6 +80,18 @@ static int rk8xx_bind(struct udevice *dev)
> > if (!children)
> > debug("%s: %s - no child found\n", __func__, dev->name);
> >
> > + rtc_node = dev_read_subnode(dev, "rtc");
> > + if (!ofnode_valid(rtc_node)) {
> > + debug("%s: %s rtc subnode not found!\n", __func__,
> dev->name);
> > + return -ENXIO;
> > + }
> > +
> > + debug("%s: '%s' - found rtc subnode\n", __func__, dev->name);
> > +
> > + children = pmic_bind_children(dev, rtc_node, rtc_info);
> > + if (!children)
> > + debug("%s: %s - no child found\n", __func__, dev->name);
> > +
> > /* Always return success for this device */
> > return 0;
> > }
>
>
>
More information about the U-Boot
mailing list