[PATCH v8 2/2] phy: qcom-mipi-csi2: Add a CSI2 MIPI DPHY driver
Bryan O'Donoghue
bryan.odonoghue at linaro.org
Tue Jun 2 15:22:41 PDT 2026
On 02/06/2026 23:07, Vladimir Zapolskiy wrote:
>> + ret = fwnode_property_read_u32(ep, "clock-lanes", &clock_lane);
>> + if (ret) {
>> + clock_lane = CSI2_DEFAULT_CLK_LN;
>> + dev_info(dev, "Using default clock-lane %d\n",
>> + CSI2_DEFAULT_CLK_LN);
>
> Why CSI2_DEFAULT_CLK_LN is set to 7, what does it mean and how is it used?
>
> Since "7" is a meaningless number in the context, I believe it's
> practically
> not used at all, and if so, 'clock-lanes' property should be just removed.
Documentation shows clock lane at lane 7.
Truthfully it makes no sense that the clock lane would genuinely be
locked to lane 7 but the documentation does seem to suggest it.
Yes in fact I agree. clock-lanes can be reintroduced if someone can show
hardware that supports/depends on it.
---
bod
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