Subject: RE: [RFC 06/11] soc: realtek: chip: Detect RTD1296

From: James Tai <[email-masked]>
Date: Thu, 2 Jan 2020 14:35:52 +0000

> Detection logic from downstream drivers/soc/realtek/rtd129x/rtk_chip.c.
> 
> Signed-off-by: Andreas Färber <[email-masked]>
> ---
>  drivers/soc/realtek/chip.c | 18 +++++++++++++++++-
>  1 file changed, 17 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/soc/realtek/chip.c b/drivers/soc/realtek/chip.c index
> 9d13422e9936..ba653c097644 100644
> --- a/drivers/soc/realtek/chip.c
> +++ b/drivers/soc/realtek/chip.c
> @@ -50,9 +50,25 @@ static const char *default_name(struct device *dev,
> const struct rtd_soc *s)
>  	return s->family;
>  }
> 
> +static const char *rtd1295_name(struct device *dev, const struct
> +rtd_soc *s) {
> +	void __iomem *base;
> +
> +	base = of_iomap(dev->of_node, 1);
> +	if (base) {
> +		u32 chipinfo1 = readl_relaxed(base);
> +		iounmap(base);
> +		if (chipinfo1 & BIT(11)) {
> +			return "RTD1296";
> +		}
> +	}
> +
> +	return "RTD1295";
> +}
> +
>  static const struct rtd_soc rtd_soc_families[] = {
>  	{ 0x00006329, "RTD1195", default_name, rtd1195_revisions, "Phoenix" },
> -	{ 0x00006421, "RTD1295", default_name, rtd1295_revisions, "Kylin" },
> +	{ 0x00006421, "RTD1295", rtd1295_name, rtd1295_revisions, "Kylin" },
>  };
> 
>  static const struct rtd_soc *rtd_soc_by_chip_id(u32 chip_id)
> --
> 2.16.4
> 
Acked-by: James Tai <[email-masked]>

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