Messages in this thread Patch in this message | | | From | Andreas Färber <> | Subject | [RFC 06/11] soc: realtek: chip: Detect RTD1296 | Date | Sun, 3 Nov 2019 02:36:40 +0100 |
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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
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