Hi Inochi!
On Fri, 2025-03-14 at 08:51 +0800, Inochi Amaoto wrote:
> On Sun, Mar 09, 2025 at 09:26:24PM +0100, Alexander Sverdlin wrote:
> > Add driver for Sophgo CV1800 series SoC RTC subsystem. The RTC module
> > comprises a 32kHz oscillator, Power-on-Reset (PoR) sub-module, HW state
> > machine to control chip power-on, power-off and reset. Furthermore, the
> > 8051 subsystem is located within RTCSYS including associated SRAM block.
> >
> > This patch only populates RTC sub-device.
> >
...
> > +++ b/drivers/soc/sophgo/cv1800-rtcsys.c
> > @@ -0,0 +1,63 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Driver for Sophgo CV1800 series SoC RTC subsystem
> > + *
> > + * The RTC module comprises a 32kHz oscillator, Power-on-Reset (PoR) sub-module,
> > + * HW state machine to control chip power-on, power-off and reset. Furthermore,
> > + * the 8051 subsystem is located within RTCSYS including associated SRAM block.
> > + *
> > + * Copyright (C) 2025 Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>
> > + *
> > + */
> > +
> > +#include <linux/mfd/core.h>
> > +#include <linux/module.h>
> > +#include <linux/of.h>
> > +#include <linux/property.h>
> > +
> > +static struct resource cv1800_rtcsys_irq_resources[] = {
> > + DEFINE_RES_IRQ_NAMED(0, "alarm"),
> > +};
> > +
> > +static const struct mfd_cell cv1800_rtcsys_subdev[] = {
> > + {
>
> > + .name = "cv1800-rtc",
>
> Make this a specifc one, like "sophgo,cv1800b-rtc"
Could it be that you mixed up device instance name and "compatible"?
Please refer to all other MFD cells with `grep -C3 -R -F "struct mfd_cell"`
either in drivers/soc or in drivers/mfd, there are no vendor prefixes in the
names.
--
Alexander Sverdlin.
