linux-kernel - Re: [PATCH v5 4/6] pinctrl: mediatek: add pinctrl support for MT6779 SoC

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Date:   Thu, 28 May 2020 20:34:36 +0800
From:   Hanks Chen <hanks.chen@...iatek.com>
To:     Sean Wang <sean.wang@...nel.org>
CC:     Mark Rutland <mark.rutland@....com>, <devicetree@...r.kernel.org>,
        <wsd_upstream@...iatek.com>, Andy Teng <andy.teng@...iatek.com>,
        "Linus Walleij" <linus.walleij@...aro.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mars Cheng <mars.cheng@...iatek.com>
Subject: Re: [PATCH v5 4/6] pinctrl: mediatek: add pinctrl support for
 MT6779 SoC

On Thu, 2020-04-02 at 14:46 -0700, Sean Wang wrote:
> Hi Hanks,
> 
> On Wed, Mar 25, 2020 at 2:31 AM Hanks Chen <hanks.chen@...iatek.com> wrote:
> >
> > This adds MT6779 pinctrl driver based on MediaTek pinctrl-paris core.
> >
> 
> We can add some useful help text about MT6779 pinctrl, especially
> about specific parts like virtual gpio and its attributes
> Then Acked-by: Sean Wang <sean.wang@...nel.org>
> 
Got it, I'll add it in next version.
Thanks for the advices.

> > Signed-off-by: Hanks Chen <hanks.chen@...iatek.com>
> > Signed-off-by: Mars Cheng <mars.cheng@...iatek.com>
> > Signed-off-by: Andy Teng <andy.teng@...iatek.com>
> > ---
> >  drivers/pinctrl/mediatek/Kconfig              |    7 +
> >  drivers/pinctrl/mediatek/Makefile             |    1 +
> >  drivers/pinctrl/mediatek/pinctrl-mt6779.c     |  775 +++++++++
> >  drivers/pinctrl/mediatek/pinctrl-mtk-mt6779.h | 2085 +++++++++++++++++++++++++
> >  4 files changed, 2868 insertions(+)
> >  create mode 100644 drivers/pinctrl/mediatek/pinctrl-mt6779.c
> >  create mode 100644 drivers/pinctrl/mediatek/pinctrl-mtk-mt6779.h
> >
> > diff --git a/drivers/pinctrl/mediatek/Kconfig b/drivers/pinctrl/mediatek/Kconfig
> > index 701f9af..f628d01 100644
> > --- a/drivers/pinctrl/mediatek/Kconfig
> > +++ b/drivers/pinctrl/mediatek/Kconfig
> > @@ -86,6 +86,13 @@ config PINCTRL_MT6765
> >         default ARM64 && ARCH_MEDIATEK
> >         select PINCTRL_MTK_PARIS
> >
> > +config PINCTRL_MT6779
> > +       bool "Mediatek MT6779 pin control"
> > +       depends on OF
> > +       depends on ARM64 || COMPILE_TEST
> > +       default ARM64 && ARCH_MEDIATEK
> > +       select PINCTRL_MTK_PARIS
> > +
> >  config PINCTRL_MT6797
> >         bool "Mediatek MT6797 pin control"
> >         depends on OF
> > diff --git a/drivers/pinctrl/mediatek/Makefile b/drivers/pinctrl/mediatek/Makefile
> > index a74325a..59c1c60 100644
> > --- a/drivers/pinctrl/mediatek/Makefile
> > +++ b/drivers/pinctrl/mediatek/Makefile
> > @@ -11,6 +11,7 @@ obj-$(CONFIG_PINCTRL_MT2712)  += pinctrl-mt2712.o
> >  obj-$(CONFIG_PINCTRL_MT8135)   += pinctrl-mt8135.o
> >  obj-$(CONFIG_PINCTRL_MT8127)   += pinctrl-mt8127.o
> >  obj-$(CONFIG_PINCTRL_MT6765)   += pinctrl-mt6765.o
> > +obj-$(CONFIG_PINCTRL_MT6779)   += pinctrl-mt6779.o
> >  obj-$(CONFIG_PINCTRL_MT6797)   += pinctrl-mt6797.o
> >  obj-$(CONFIG_PINCTRL_MT7622)   += pinctrl-mt7622.o
> >  obj-$(CONFIG_PINCTRL_MT7623)   += pinctrl-mt7623.o
> > diff --git a/drivers/pinctrl/mediatek/pinctrl-mt6779.c b/drivers/pinctrl/mediatek/pinctrl-mt6779.c
> > new file mode 100644
> > index 0000000..145bf22
> > --- /dev/null
> > +++ b/drivers/pinctrl/mediatek/pinctrl-mt6779.c
> > @@ -0,0 +1,775 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Copyright (C) 2019 MediaTek Inc.
> > + * Author: Andy Teng <andy.teng@...iatek.com>
> > + *
> > + */
> > +
> > +#include "pinctrl-mtk-mt6779.h"
> > +#include "pinctrl-paris.h"
> > +
> > +/* MT6779 have multiple bases to program pin configuration listed as the below:
> > + * gpio:0x10005000,     iocfg_rm:0x11C20000, iocfg_br:0x11D10000,
> > + * iocfg_lm:0x11E20000, iocfg_lb:0x11E70000, iocfg_rt:0x11EA0000,
> > + * iocfg_lt:0x11F20000, iocfg_tl:0x11F30000
> > + * _i_based could be used to indicate what base the pin should be mapped into.
> > + */
> > +
> > +#define PIN_FIELD_BASE(s_pin, e_pin, i_base, s_addr, x_addrs, s_bit, x_bits) \
> > +       PIN_FIELD_CALC(s_pin, e_pin, i_base, s_addr, x_addrs, s_bit, x_bits, \
> > +                      32, 0)
> > +
> 
> <snip>
> 
> _______________________________________________
> Linux-mediatek mailing list
> Linux-mediatek@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek

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