linux-kernel - Re: [linux-sunxi] [PATCH 2/3] pwm: sunxi: Add A64 support

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Date:   Sat, 25 Feb 2017 16:53:03 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Icenowy Zheng <icenowy@...c.xyz>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>, linux-pwm@...r.kernel.org,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [linux-sunxi] [PATCH 2/3] pwm: sunxi: Add A64 support

On Sat, Feb 25, 2017 at 3:42 PM, Icenowy Zheng <icenowy@...c.xyz> wrote:
> A64 PWM controller has same register layout as sun4i driver, so it works
> by adding A64 specific data.
>
> Signed-off-by: Icenowy Zheng <icenowy@...c.xyz>
> ---
>  drivers/pwm/pwm-sun4i.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c
> index 1284ffa05921..ca3431e03fb8 100644
> --- a/drivers/pwm/pwm-sun4i.c
> +++ b/drivers/pwm/pwm-sun4i.c
> @@ -290,6 +290,12 @@ static const struct sun4i_pwm_data sun4i_pwm_data_h3 = {
>         .npwm = 1,
>  };
>
> +static const struct sun4i_pwm_data sun4i_pwm_data_a64 = {
> +       .has_prescaler_bypass = true,
> +       .has_rdy = true,
> +       .npwm = 1,
> +};
> +

This seems to be tha same as the H3. Any differences between the
H3 and A64? Otherwise please just use that compatible.

ChenYu

>  static const struct of_device_id sun4i_pwm_dt_ids[] = {
>         {
>                 .compatible = "allwinner,sun4i-a10-pwm",
> @@ -307,6 +313,9 @@ static const struct of_device_id sun4i_pwm_dt_ids[] = {
>                 .compatible = "allwinner,sun8i-h3-pwm",
>                 .data = &sun4i_pwm_data_h3,
>         }, {
> +               .compatible = "allwinner,sun50i-a64-pwm",
> +               .data = &sun4i_pwm_data_a64,
> +       }, {
>                 /* sentinel */
>         },
>  };
> --
> 2.11.1
>
> --
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