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Message-ID: <CAA8EJpohi35ic7Lwb29cz17n2gLqxWQ2WUAQfkBSvX3wkOHaEA@mail.gmail.com>
Date:   Wed, 30 Aug 2023 23:09:29 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Nitheesh Sekar <quic_nsekar@...cinc.com>
Cc:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        vkoul@...nel.org, kishon@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        gregkh@...uxfoundation.org, quic_srichara@...cinc.com,
        quic_varada@...cinc.com, quic_wcheng@...cinc.com,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH V2 2/4] phy: qcom-m31: Add compatible, phy init sequence
 for IPQ5018

On Wed, 30 Aug 2023 at 21:32, Nitheesh Sekar <quic_nsekar@...cinc.com> wrote:
>
> Add phy init sequence and compatible string for IPQ5018
> chipset.
>
> Signed-off-by: Nitheesh Sekar <quic_nsekar@...cinc.com>
> ---
> V2:
>         Updated the commit message.
> ---
>  drivers/phy/qualcomm/phy-qcom-m31.c | 60 +++++++++++++++++++++++++++++
>  1 file changed, 60 insertions(+)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-m31.c b/drivers/phy/qualcomm/phy-qcom-m31.c
> index ed08072ca032..81b72ebde305 100644
> --- a/drivers/phy/qualcomm/phy-qcom-m31.c
> +++ b/drivers/phy/qualcomm/phy-qcom-m31.c
> @@ -82,6 +82,59 @@ struct m31_priv_data {
>         unsigned int                    nregs;
>  };
>
> +struct m31_phy_regs m31_ipq5018_regs[] = {
> +       {
> +               USB_PHY_CFG0,
> +               UTMI_PHY_OVERRIDE_EN,
> +               0
> +       },

c99 initialisers? And maybe drop the 0 delay inits.

> +       {
> +               USB_PHY_UTMI_CTRL5,
> +               POR_EN,
> +               15
> +       },
> +       {
> +               USB_PHY_FSEL_SEL,
> +               FREQ_SEL,
> +               0
> +       },
> +       {
> +               USB_PHY_HS_PHY_CTRL_COMMON0,
> +               COMMONONN | FSEL | RETENABLEN,
> +               0
> +       },
> +       {
> +               USB_PHY_REFCLK_CTRL,
> +               CLKCORE,
> +               0
> +       },
> +       {
> +               USB_PHY_UTMI_CTRL5,
> +               POR_EN,
> +               0
> +       },
> +       {
> +               USB_PHY_HS_PHY_CTRL2,
> +               USB2_SUSPEND_N_SEL | USB2_SUSPEND_N | USB2_UTMI_CLK_EN,
> +               0
> +       },
> +       {
> +               USB_PHY_UTMI_CTRL5,
> +               0x0,
> +               0
> +       },
> +       {
> +               USB_PHY_HS_PHY_CTRL2,
> +               USB2_SUSPEND_N | USB2_UTMI_CLK_EN,
> +               0
> +       },
> +       {
> +               USB_PHY_CFG0,
> +               0x0,
> +               0
> +       },
> +};
> +
>  struct m31_phy_regs m31_ipq5332_regs[] = {
>         {
>                 USB_PHY_CFG0,
> @@ -268,6 +321,12 @@ static int m31usb_phy_probe(struct platform_device *pdev)
>         return PTR_ERR_OR_ZERO(phy_provider);
>  }
>
> +static const struct m31_priv_data m31_ipq5018_data = {
> +       .ulpi_mode = false,
> +       .regs = m31_ipq5018_regs,
> +       .nregs = ARRAY_SIZE(m31_ipq5018_regs),
> +};
> +
>  static const struct m31_priv_data m31_ipq5332_data = {
>         .ulpi_mode = false,
>         .regs = m31_ipq5332_regs,
> @@ -275,6 +334,7 @@ static const struct m31_priv_data m31_ipq5332_data = {
>  };
>
>  static const struct of_device_id m31usb_phy_id_table[] = {
> +       { .compatible = "qcom,ipq5018-usb-hsphy", .data = &m31_ipq5018_data },
>         { .compatible = "qcom,ipq5332-usb-hsphy", .data = &m31_ipq5332_data },
>         { },
>  };
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>


-- 
With best wishes
Dmitry

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