linux-kernel - Re: [PATCH v3 4/4] soc: mediatek: pwrap: add pwrap driver for MT6873/8192 SoCs

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Date:   Wed, 18 Nov 2020 19:42:01 +0800
From:   Hsin-Hsiung Wang <hsin-hsiung.wang@...iatek.com>
To:     Fei Shao <fshao@...omium.org>
CC:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Argus Lin <argus.lin@...iatek.com>, <drinkcat@...omium.org>,
        <devicetree@...r.kernel.org>, <srv_heupstream@...iatek.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <hsin-hsiung.wang@...iatek.com>
Subject: Re: [PATCH v3 4/4] soc: mediatek: pwrap: add pwrap driver for
 MT6873/8192 SoCs

Hi,

On Tue, 2020-09-22 at 17:49 +0800, Fei Shao wrote:
> On Mon, Sep 21, 2020 at 11:03 AM Hsin-Hsiung Wang
> <hsin-hsiung.wang@...iatek.com> wrote:
> >
> > MT6873/8192 are highly integrated SoCs and use PMIC_MT6359 for
> > power management. This patch adds pwrap master driver to
> > access PMIC_MT6359.
> >
> > Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@...iatek.com>
> > ---
> >  drivers/soc/mediatek/mtk-pmic-wrap.c | 29 +++++++++++++++++++++++++++++
> >  1 file changed, 29 insertions(+)
> >
> > diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
> > index 149bf02..c73e92b 100644
> > --- a/drivers/soc/mediatek/mtk-pmic-wrap.c
> > +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
> > @@ -632,6 +632,17 @@ static int mt6797_regs[] = {
> >         [PWRAP_DCM_DBC_PRD] =           0x1D4,
> >  };
> >
> > +static int mt6873_regs[] = {
> > +       [PWRAP_INIT_DONE2] =            0x0,
> > +       [PWRAP_TIMER_EN] =              0x3E0,
> > +       [PWRAP_INT_EN] =                0x448,
> > +       [PWRAP_WACS2_CMD] =             0xC80,
> > +       [PWRAP_SWINF_2_WDATA_31_0] =    0xC84,
> > +       [PWRAP_SWINF_2_RDATA_31_0] =    0xC94,
> > +       [PWRAP_WACS2_VLDCLR] =          0xCA4,
> > +       [PWRAP_WACS2_RDATA] =           0xCA8,
> > +};
> > +
> >  static int mt7622_regs[] = {
> >         [PWRAP_MUX_SEL] =               0x0,
> >         [PWRAP_WRAP_EN] =               0x4,
> > @@ -1050,6 +1061,7 @@ enum pwrap_type {
> >         PWRAP_MT6765,
> >         PWRAP_MT6779,
> >         PWRAP_MT6797,
> > +       PWRAP_MT6873,
> >         PWRAP_MT7622,
> >         PWRAP_MT8135,
> >         PWRAP_MT8173,
> > @@ -1512,6 +1524,7 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
> >         case PWRAP_MT7622:
> >                 pwrap_writel(wrp, 0, PWRAP_CIPHER_EN);
> >                 break;
> > +       case PWRAP_MT6873:
> >         case PWRAP_MT8183:
> >                 break;
> >         }
> > @@ -1948,6 +1961,19 @@ static const struct pmic_wrapper_type pwrap_mt6797 = {
> >         .init_soc_specific = NULL,
> >  };
> >
> > +static struct pmic_wrapper_type pwrap_mt6873 = {
> static const struct.
> 

Thanks, I will update it in next patch.

> > +       .regs = mt6873_regs,
> > +       .type = PWRAP_MT6873,
> > +       .arb_en_all = 0x777f,
> > +       .int_en_all = BIT(4) | BIT(5),
> > +       .int1_en_all = 0,
> > +       .spi_w = PWRAP_MAN_CMD_SPI_WRITE,
> > +       .wdt_src = PWRAP_WDT_SRC_MASK_ALL,
> > +       .caps = PWRAP_CAP_ARB,
> > +       .init_reg_clock = pwrap_common_init_reg_clock,
> > +       .init_soc_specific = NULL,
> > +};
> > +
> >  static const struct pmic_wrapper_type pwrap_mt7622 = {
> >         .regs = mt7622_regs,
> >         .type = PWRAP_MT7622,
> > @@ -2026,6 +2052,9 @@ static const struct of_device_id of_pwrap_match_tbl[] = {
> >                 .compatible = "mediatek,mt6797-pwrap",
> >                 .data = &pwrap_mt6797,
> >         }, {
> > +               .compatible = "mediatek,mt6873-pwrap",
> > +               .data = &pwrap_mt6873,
> > +       }, {
> >                 .compatible = "mediatek,mt7622-pwrap",
> >                 .data = &pwrap_mt7622,
> >         }, {