From: Georgii Staroselskii <georgii.staroselskii@emlid.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 2/5] x86: tangier: pinmux: add API to configure protected pins
Date: Wed, 5 Sep 2018 18:44:29 +0300 [thread overview]
Message-ID: <20180905154429.GA5341@softcrasher> (raw)
In-Reply-To: <CAPnjgZ2EMDvmc71TRbxttf=h=AB71Da0PChDKLYnL8vHeO1SiQ@mail.gmail.com>
On Wed, Sep 05, 2018 at 09:24:40AM -0600, Simon Glass wrote:
> Hi Georgi,
>
> On 4 September 2018 at 07:34, Georgii Staroselskii
> <georgii.staroselskii@emlid.com> wrote:
> > This API is going to be used to configure some pins that are protected
> > for simple modification.
> >
> > It's not a comprehensive pinctrl driver but can be turned into one
> > when we need this in the future. Now it is planned to be used only
> > in one place. So that's why I decided not to pollute the codebase with a
> > full-blown pinctrl-merrifield nobody will use.
> >
> > This driver reads corresponding fields in DT and configures pins
> > accordingly.
> >
> > The "protected" flag is used to distinguish configuration of SCU-owned
> > pins from the ordinary ones.
> >
> > The code has been adapted from Linux work done by Andy Shevchenko
> > in pinctrl-merrfifield.c
> >
> > Signed-off-by: Georgii Staroselskii <georgii.staroselskii@emlid.com>
> > ---
> > arch/x86/cpu/tangier/Makefile | 2 +-
> > arch/x86/cpu/tangier/pinmux.c | 196 ++++++++++++++++++++++++++++++++++++++++++
> > 2 files changed, 197 insertions(+), 1 deletion(-)
> > create mode 100644 arch/x86/cpu/tangier/pinmux.c
> >
>
> Please can you use the livetree API (dev_read_...)?
>
> Regards,
> Simon
Sure. Will do. It will need CONFIG_OF_LIVE=y for edison_defconfig to be
set. Is there any other modifications or possible regressions that I need
to take into account? Or if I just stick to doc/driver-model/livetree.txt
things should go smoothly?
next prev parent reply other threads:[~2018-09-05 15:44 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-04 14:34 [U-Boot] [PATCH v2 0/5] Add a pinctrl driver for Merrifield to pinmux I2C#6 Georgii Staroselskii
2018-09-04 14:34 ` [U-Boot] [PATCH v2 1/5] x86: cpu: introduce scu_ipc_raw_command() Georgii Staroselskii
2018-09-04 14:34 ` [U-Boot] [PATCH v2 2/5] x86: tangier: pinmux: add API to configure protected pins Georgii Staroselskii
2018-09-04 14:57 ` Andy Shevchenko
2018-09-05 15:24 ` Simon Glass
2018-09-05 15:44 ` Georgii Staroselskii [this message]
2018-09-09 1:06 ` Simon Glass
2018-09-04 14:34 ` [U-Boot] [PATCH v2 3/5] x86: dts: edison: configure I2C#6 pins Georgii Staroselskii
2018-09-04 14:34 ` [U-Boot] [PATCH v2 4/5] x86: tangier: acpi: add I2C6 node Georgii Staroselskii
2018-09-04 14:34 ` [U-Boot] [PATCH v2 5/5] x86: cpu: add docstring to scu_ipc_command() Georgii Staroselskii
2018-09-04 14:58 ` Andy Shevchenko
2018-09-05 4:40 ` [U-Boot] [PATCH v2 0/5] Add a pinctrl driver for Merrifield to pinmux I2C#6 Bin Meng
2018-09-05 10:58 ` Andy Shevchenko
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