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

James Tai
2020-01-02T14:36:26Z

> Detection logic from downstream drivers/soc/realtek/rtd129x/rtk_chip.c.
>
> Signed-off-by: Andreas Färber <afaerber@suse.de>
> ---
> 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 <james.tai@realtek.com>