[PATCH 2/2] soc: mediatek: pwrap: add pwrap driver for MT8195 SoC

Fei Shao fshao at chromium.org
Wed Jun 9 00:51:36 PDT 2021


On Wed, Jun 2, 2021 at 7:21 PM James Lo <james.lo at mediatek.com> wrote:
>
> From: Henry Chen <henryc.chen at mediatek.com>
>
> MT8195 are highly integrated SoC and use PMIC_MT6359 for
> power management. This patch adds pwrap master driver to
> access PMIC_MT6359.
>
> Signed-off-by: Henry Chen <henryc.chen at mediatek.com>
> ---
>  drivers/soc/mediatek/mtk-pmic-wrap.c | 35 ++++++++++++++++++++++++++++
>  1 file changed, 35 insertions(+)
>
> diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
> index e4de75f35c33..952bc554f443 100644
> --- a/drivers/soc/mediatek/mtk-pmic-wrap.c
> +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
> @@ -961,6 +961,23 @@ static int mt8183_regs[] = {
>         [PWRAP_WACS2_VLDCLR] =                  0xC28,
>  };
>
> +static int mt8195_regs[] = {
> +       [PWRAP_INIT_DONE2] =            0x0,
> +       [PWRAP_STAUPD_CTRL] =           0x4C,
> +       [PWRAP_TIMER_EN] =              0x3E4,
> +       [PWRAP_INT_EN] =                0x420,
> +       [PWRAP_INT_FLG] =               0x428,
> +       [PWRAP_INT_CLR] =               0x42C,
> +       [PWRAP_INT1_EN] =               0x450,
> +       [PWRAP_INT1_FLG] =              0x458,
> +       [PWRAP_INT1_CLR] =              0x45C,
> +       [PWRAP_WACS2_CMD] =             0x880,
> +       [PWRAP_SWINF_2_WDATA_31_0] =    0x884,
> +       [PWRAP_SWINF_2_RDATA_31_0] =    0x894,
> +       [PWRAP_WACS2_VLDCLR] =          0x8A4,
> +       [PWRAP_WACS2_RDATA] =           0x8A8,
> +};
> +
>  static int mt8516_regs[] = {
>         [PWRAP_MUX_SEL] =               0x0,
>         [PWRAP_WRAP_EN] =               0x4,
> @@ -1066,6 +1083,7 @@ enum pwrap_type {
>         PWRAP_MT8135,
>         PWRAP_MT8173,
>         PWRAP_MT8183,
> +       PWRAP_MT8195,
>         PWRAP_MT8516,
>  };
>
> @@ -1525,6 +1543,7 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
>                 break;
>         case PWRAP_MT6873:
>         case PWRAP_MT8183:
> +       case PWRAP_MT8195:
>                 break;
>         }
>
> @@ -2025,6 +2044,19 @@ static const struct pmic_wrapper_type pwrap_mt8183 = {
>         .init_soc_specific = pwrap_mt8183_init_soc_specific,
>  };
>
> +static struct pmic_wrapper_type pwrap_mt8195 = {
> +       .regs = mt8195_regs,
> +       .type = PWRAP_MT8195,
> +       .arb_en_all = 0x777f, /* NEED CONFIRM */
> +       .int_en_all = 0x180000, /* NEED CONFIRM */

Please get the confirmative values here then send the next patch, thanks.


> +       .int1_en_all = 0,
> +       .spi_w = PWRAP_MAN_CMD_SPI_WRITE,
> +       .wdt_src = PWRAP_WDT_SRC_MASK_ALL,
> +       .caps = PWRAP_CAP_INT1_EN | PWRAP_CAP_ARB,
> +       .init_reg_clock = pwrap_common_init_reg_clock,
> +       .init_soc_specific = NULL,
> +};
> +
>  static struct pmic_wrapper_type pwrap_mt8516 = {
>         .regs = mt8516_regs,
>         .type = PWRAP_MT8516,
> @@ -2065,6 +2097,9 @@ static const struct of_device_id of_pwrap_match_tbl[] = {
>         }, {
>                 .compatible = "mediatek,mt8183-pwrap",
>                 .data = &pwrap_mt8183,
> +       }, {
> +               .compatible = "mediatek,mt8195-pwrap",
> +               .data = &pwrap_mt8195,
>         }, {
>                 .compatible = "mediatek,mt8516-pwrap",
>                 .data = &pwrap_mt8516,
> --
> 2.18.0
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