Thanks, Pavel! :-) Besides this patch, what else is needed? The CSI-2 / CCP2 support is missing in V4L2 OF at least. It'd be better to have this all in the same set. I pushed the two DT patches here: <URL:https://git.linuxtv.org/sailus/media_tree.git/commit/?h=ccp2> On Wed, Feb 08, 2017 at 02:11:27PM +0100, Pavel Machek wrote: > > Add support for CCP2 connected SMIA sensors as found > on the Nokia N900. > > Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx> > Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@xxxxxxxxx> > Signed-off-by: Pavel Machek <pavel@xxxxxx> > > diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c > index 44f8c7e..c217bc6 100644 > --- a/drivers/media/i2c/smiapp/smiapp-core.c > +++ b/drivers/media/i2c/smiapp/smiapp-core.c > @@ -2997,13 +2997,19 @@ static struct smiapp_hwconfig *smiapp_get_hwconfig(struct device *dev) > switch (bus_cfg->bus_type) { > case V4L2_MBUS_CSI2: > hwcfg->csi_signalling_mode = SMIAPP_CSI_SIGNALLING_MODE_CSI2; > + hwcfg->lanes = bus_cfg->bus.mipi_csi2.num_data_lanes; > + break; > + case V4L2_MBUS_CCP2: > + hwcfg->csi_signalling_mode = (bus_cfg->bus.mipi_csi1.strobe) ? > + SMIAPP_CSI_SIGNALLING_MODE_CCP2_DATA_STROBE : > + SMIAPP_CSI_SIGNALLING_MODE_CCP2_DATA_CLOCK; > + hwcfg->lanes = 1; > break; > - /* FIXME: add CCP2 support. */ > default: > + dev_err(dev, "unknown bus protocol\n"); It's rather unsupported --- V4L2 OF framework picks one from enum v4l2_mbus_type. You might want to print the value, too. Up to you. > goto out_err; > } > > - hwcfg->lanes = bus_cfg->bus.mipi_csi2.num_data_lanes; > dev_dbg(dev, "lanes %u\n", hwcfg->lanes); > > /* NVM size is not mandatory */ > @@ -3017,8 +3023,8 @@ static struct smiapp_hwconfig *smiapp_get_hwconfig(struct device *dev) > goto out_err; > } > > - dev_dbg(dev, "nvm %d, clk %d, csi %d\n", hwcfg->nvm_size, > - hwcfg->ext_clk, hwcfg->csi_signalling_mode); > + dev_dbg(dev, "nvm %d, clk %d, mode %d\n", > + hwcfg->nvm_size, hwcfg->ext_clk, hwcfg->csi_signalling_mode); > > if (!bus_cfg->nr_of_link_frequencies) { > dev_warn(dev, "no link frequencies defined\n"); > -- Kind regards, Sakari Ailus e-mail: sakari.ailus@xxxxxx XMPP: sailus@xxxxxxxxxxxxxx