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media: qcom: camss: Restrict endpoint bus-type to D-PHY

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Currently the Qualcomm CAMSS driver only supports D-PHY while the
hardware on most SoCs also supports C-PHY. Until this support is added,
check for D-PHY to make it somewhat explicit that C-PHY won't work.

Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Tested-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Luca Weiss 2024-12-09 13:01:06 +01:00 committed by Hans Verkuil
parent 2ab7f87a7f
commit bce4c094c2
1 changed files with 9 additions and 0 deletions
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9
drivers/media/platform/qcom/camss/camss.c
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@ -2663,6 +2663,15 @@ static int camss_of_parse_endpoint_node(struct device *dev,
if (ret)
return ret;
/*
* Most SoCs support both D-PHY and C-PHY standards, but currently only
* D-PHY is supported in the driver.
*/
if (vep.bus_type != V4L2_MBUS_CSI2_DPHY) {
dev_err(dev, "Unsupported bus type %d\n", vep.bus_type);
return -EINVAL;
}
csd->interface.csiphy_id = vep.base.port;
mipi_csi2 = &vep.bus.mipi_csi2;