linux-kernel - Re: [PATCH v1 2/2] mmc: sdhci-of-arasan: Add Support for Intel LGM eMMC

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Date:   Tue, 27 Aug 2019 15:49:49 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     "Ramuthevar,Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
Cc:     "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        DTML <devicetree@...r.kernel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Michal Simek <michal.simek@...inx.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        andriy.shevchenko@...el.com, cheol.yong.kim@...el.com,
        qi-ming.wu@...el.com
Subject: Re: [PATCH v1 2/2] mmc: sdhci-of-arasan: Add Support for Intel LGM eMMC

On Mon, 26 Aug 2019 at 09:28, Ramuthevar,Vadivel MuruganX
<vadivel.muruganx.ramuthevar@...ux.intel.com> wrote:
>
> From: Ramuthevar Vadivel Muruganx <vadivel.muruganx.ramuthevar@...ux.intel.com>
>
> The current arasan sdhci PHY configuration isn't compatible
> with the PHY on Intel's LGM(Lightning Mountain) SoC devices.
>
> Therefore, add a new compatible, to adapt the Intel's LGM
> eMMC PHY with arasan-sdhc controller to configure the PHY.
>
> Signed-off-by: Ramuthevar Vadivel Muruganx <vadivel.muruganx.ramuthevar@...ux.intel.com>


Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/sdhci-of-arasan.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>
> diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
> index b12abf9b15f2..7023cbec4017 100644
> --- a/drivers/mmc/host/sdhci-of-arasan.c
> +++ b/drivers/mmc/host/sdhci-of-arasan.c
> @@ -114,6 +114,12 @@ static const struct sdhci_arasan_soc_ctl_map rk3399_soc_ctl_map = {
>         .hiword_update = true,
>  };
>
> +static const struct sdhci_arasan_soc_ctl_map intel_lgm_emmc_soc_ctl_map = {
> +       .baseclkfreq = { .reg = 0xa0, .width = 8, .shift = 2 },
> +       .clockmultiplier = { .reg = 0, .width = -1, .shift = -1 },
> +       .hiword_update = false,
> +};
> +
>  /**
>   * sdhci_arasan_syscon_write - Write to a field in soc_ctl registers
>   *
> @@ -373,6 +379,11 @@ static struct sdhci_arasan_of_data sdhci_arasan_rk3399_data = {
>         .pdata = &sdhci_arasan_cqe_pdata,
>  };
>
> +static struct sdhci_arasan_of_data intel_lgm_emmc_data = {
> +       .soc_ctl_map = &intel_lgm_emmc_soc_ctl_map,
> +       .pdata = &sdhci_arasan_cqe_pdata,
> +};
> +
>  #ifdef CONFIG_PM_SLEEP
>  /**
>   * sdhci_arasan_suspend - Suspend method for the driver
> @@ -474,6 +485,10 @@ static const struct of_device_id sdhci_arasan_of_match[] = {
>                 .compatible = "rockchip,rk3399-sdhci-5.1",
>                 .data = &sdhci_arasan_rk3399_data,
>         },
> +       {
> +               .compatible = "intel,lgm-sdhci-5.1-emmc",
> +               .data = &intel_lgm_emmc_data,
> +       },
>         /* Generic compatible below here */
>         {
>                 .compatible = "arasan,sdhci-8.9a",
> --
> 2.11.0
>