linux-kernel - Re: [PATCH RESEND 4/4] pwm: mediatek: add MT2712/MT7622 support

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Date:   Wed, 21 Jun 2017 14:22:31 +0200
From:   John Crispin <john@...ozen.org>
To:     Zhi Mao <zhi.mao@...iatek.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-pwm@...r.kernel.org
Cc:     zhenbao.liu@...iatek.com, devicetree@...r.kernel.org,
        srv_heupstream@...iatek.com, sean.wang@...iatek.com,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        yt.shen@...iatek.com, yingjoe.chen@...iatek.com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH RESEND 4/4] pwm: mediatek: add MT2712/MT7622 support



On 21/06/17 10:11, Zhi Mao wrote:
> support multiple chip(MT2712, MT7622, MT7623)
This patch does more than add extra SoC support. It also
* adds PWM_CLK_DIV_MAX which really should go into its own patch
* adds mtk_pwm_com_reg which should also go into its own patch

more comments inline

>
> Signed-off-by: Zhi Mao <zhi.mao@...iatek.com>
> ---
>   drivers/pwm/pwm-mediatek.c |   63 +++++++++++++++++++++++++++++++++++---------
>   1 file changed, 51 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c
> index c803ff6..d520356 100644
> --- a/drivers/pwm/pwm-mediatek.c
> +++ b/drivers/pwm/pwm-mediatek.c
> @@ -16,6 +16,7 @@
>   #include <linux/module.h>
>   #include <linux/clk.h>
>   #include <linux/of.h>
> +#include <linux/of_device.h>
>   #include <linux/platform_device.h>
>   #include <linux/pwm.h>
>   #include <linux/slab.h>
[...]
> @@ -215,9 +238,25 @@ static int mtk_pwm_remove(struct platform_device *pdev)
>   	return pwmchip_remove(&pc->chip);
>   }
>   
> +/*==========================================*/

please remove these comment lines

     John
> +static const struct mtk_com_pwm_data mt2712_pwm_data = {
> +	.pwm_nums = 8,
> +};
> +
> +static const struct mtk_com_pwm_data mt7622_pwm_data = {
> +	.pwm_nums = 6,
> +};
> +
> +static const struct mtk_com_pwm_data mt7623_pwm_data = {
> +	.pwm_nums = 5,
> +};
> +/*==========================================*/
> +
>   static const struct of_device_id mtk_pwm_of_match[] = {
> -	{ .compatible = "mediatek,mt7623-pwm" },
> -	{ }
> +	{.compatible = "mediatek,mt2712-pwm", .data = &mt2712_pwm_data},
> +	{.compatible = "mediatek,mt7622-pwm", .data = &mt7622_pwm_data},
> +	{.compatible = "mediatek,mt7623-pwm", .data = &mt7623_pwm_data},
> +	{},
>   };
>   MODULE_DEVICE_TABLE(of, mtk_pwm_of_match);
>