linux-kernel - Re: [PATCH 3/3] soc: mediatek: pwrap: add mt6357 driver for mt6765 SoCs

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Date:   Tue, 25 Sep 2018 17:39:29 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Argus Lin <argus.lin@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>
Cc:     Chenglin Xu <chenglin.xu@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>, wsd_upstream@...iatek.com,
        henryc.chen@...iatek.com, flora.fu@...iatek.com,
        Chen Zhong <chen.zhong@...iatek.com>,
        Christophe Jaillet <christophe.jaillet@...adoo.fr>,
        "shailendra.v" <shailendra.v@...sung.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 3/3] soc: mediatek: pwrap: add mt6357 driver for mt6765
 SoCs



On 04/09/2018 14:31, Argus Lin wrote:
> MT6357 is a new power management IC and it is used for mt6765 SoCs.
> To define mt6357_regs for pmic register mapping and pmic_mt6357
> for accessing register.
> 
> Signed-off-by: Argus Lin <argus.lin@...iatek.com>

Needed some handwork to get it applied, please check that no bug slipped in.

Applied to v4.19-ext/soc

Thanks a lot.

> ---
>  drivers/soc/mediatek/mtk-pmic-wrap.c | 35 ++++++++++++++++++++++++++++++++---
>  1 file changed, 32 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
> index ddaeace..2b2cee1 100644
> --- a/drivers/soc/mediatek/mtk-pmic-wrap.c
> +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
> @@ -161,6 +161,21 @@ enum dew_regs {
>  	[PWRAP_DEW_RDDMY_NO] =		0x030C,
>  };
>  
> +static const u32 mt6357_regs[] = {
> +	[PWRAP_DEW_DIO_EN] =		0x040A,
> +	[PWRAP_DEW_READ_TEST] =		0x040C,
> +	[PWRAP_DEW_WRITE_TEST] =	0x040E,
> +	[PWRAP_DEW_CRC_EN] =		0x0412,
> +	[PWRAP_DEW_CRC_VAL] =		0x0414,
> +	[PWRAP_DEW_CIPHER_KEY_SEL] =	0x0418,
> +	[PWRAP_DEW_CIPHER_IV_SEL] =	0x041A,
> +	[PWRAP_DEW_CIPHER_EN] =		0x041C,
> +	[PWRAP_DEW_CIPHER_RDY] =	0x041E,
> +	[PWRAP_DEW_CIPHER_MODE] =	0x0420,
> +	[PWRAP_DEW_CIPHER_SWRST] =	0x0422,
> +	[PWRAP_DEW_RDDMY_NO] =		0x0424,
> +};
> +
>  enum pwrap_regs {
>  	PWRAP_MUX_SEL,
>  	PWRAP_WRAP_EN,
> @@ -716,6 +731,7 @@ enum pwrap_regs {
>  enum pmic_type {
>  	PMIC_MT6323,
>  	PMIC_MT6351,
> +	PMIC_MT6357,
>  	PMIC_MT6380,
>  	PMIC_MT6397,
>  };
> @@ -1175,6 +1191,7 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
>  		break;
>  	case PMIC_MT6323:
>  	case PMIC_MT6351:
> +	case PMIC_MT6357:
>  		pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_EN],
>  			    0x1);
>  		break;
> @@ -1460,11 +1477,26 @@ static irqreturn_t pwrap_interrupt(int irqno, void *dev_id)
>  	.pwrap_write = pwrap_write16,
>  };
>  
> +static const struct pwrap_slv_type pmic_mt6357 = {
> +	.dew_regs = mt6357_regs,
> +	.type = PMIC_MT6357,
> +	.regmap = &pwrap_regmap_config16,
> +	.caps = 0,
> +	.pwrap_read = pwrap_read16,
> +	.pwrap_write = pwrap_write16,
> +};
> +
>  static const struct of_device_id of_slave_match_tbl[] = {
>  	{
>  		.compatible = "mediatek,mt6323",
>  		.data = &pmic_mt6323,
>  	}, {
> +		.compatible = "mediatek,mt6351",
> +		.data = &pmic_mt6351,
> +	}, {
> +		.compatible = "mediatek,mt6357",
> +		.data = &pmic_mt6357,
> +	}, {
>  		/* The MT6380 PMIC only implements a regulator, so we bind it
>  		 * directly instead of using a MFD.
>  		 */
> @@ -1474,9 +1506,6 @@ static irqreturn_t pwrap_interrupt(int irqno, void *dev_id)
>  		.compatible = "mediatek,mt6397",
>  		.data = &pmic_mt6397,
>  	}, {
> -		.compatible = "mediatek,mt6351",
> -		.data = &pmic_mt6351,
> -	}, {
>  		/* sentinel */
>  	}
>  };
>