[PATCH v2 48/55] media: rkisp1: Add match data for i.MX8MP ISP

[Laurent Pinchart]

Hi Adam,

On Fri, Jul 15, 2022 at 06:56:57AM -0500, Adam Ford wrote:
> On Thu, Jun 30, 2022 at 6:27 PM Laurent Pinchart
> <laurent.pinchart at ideasonboard.com> wrote:
> >
> > From: Paul Elder <paul.elder at ideasonboard.com>
> >
> > Add match data to the rkisp1 driver to match the i.MX8MP ISP.
> 
> I am testing this series on an i.MX8MP with two Sony IMX219 cameras in
> 4-lane mode.
> From what I can tell, the ISP_1 doesn't enumerate if ISP_0 is already
> enumerated.  My guess is that the name of the ISP is hard-coded so the
> second instance isn't able to load because the names conflict.  I
> don't see any errors, so it's just a guess.

I'll have a look.

> > Signed-off-by: Paul Elder <paul.elder at ideasonboard.com>
> > ---
> >  .../platform/rockchip/rkisp1/rkisp1-dev.c     | 22 +++++++++++++++++++
> >  include/uapi/linux/rkisp1-config.h            |  3 +++
> >  2 files changed, 25 insertions(+)
> >
> > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> > index f2475c6235ea..a41f89807dd7 100644
> > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> > @@ -496,6 +496,24 @@ static const struct rkisp1_info rk3399_isp_info = {
> >         .features = RKISP1_FEATURE_MIPI_CSI2,
> >  };
> >
> > +static const char * const imx8mp_isp_clks[] = {
> > +       "isp",
> > +       "hclk",
> > +       "aclk",
> > +};
> > +
> > +static const struct rkisp1_isr_data imx8mp_isp_isrs[] = {
> > +       { NULL, rkisp1_isr },
> > +};
> > +
> > +static const struct rkisp1_info imx8mp_isp_info = {
> > +       .clks = imx8mp_isp_clks,
> > +       .clk_size = ARRAY_SIZE(imx8mp_isp_clks),
> > +       .isrs = imx8mp_isp_isrs,
> > +       .isr_size = ARRAY_SIZE(imx8mp_isp_isrs),
> > +       .isp_ver = IMX8MP_V10,
> > +};
> > +
> >  static const struct of_device_id rkisp1_of_match[] = {
> >         {
> >                 .compatible = "rockchip,px30-cif-isp",
> > @@ -505,6 +523,10 @@ static const struct of_device_id rkisp1_of_match[] = {
> >                 .compatible = "rockchip,rk3399-cif-isp",
> >                 .data = &rk3399_isp_info,
> >         },
> > +       {
> > +               .compatible = "fsl,imx8mp-isp",
> > +               .data = &imx8mp_isp_info,
> > +       },
> >         {},
> >  };
> >  MODULE_DEVICE_TABLE(of, rkisp1_of_match);
> > diff --git a/include/uapi/linux/rkisp1-config.h b/include/uapi/linux/rkisp1-config.h
> > index 583ca0d9a79d..40677d47825c 100644
> > --- a/include/uapi/linux/rkisp1-config.h
> > +++ b/include/uapi/linux/rkisp1-config.h
> > @@ -140,12 +140,15 @@
> >   * @RKISP1_V11: declared in the original vendor code, but not used
> >   * @RKISP1_V12: used at least in rk3326 and px30
> >   * @RKISP1_V13: used at least in rk1808
> > + * @IMX8MP_V10: used in at least imx8mp
> >   */
> >  enum rkisp1_cif_isp_version {
> >         RKISP1_V10 = 10,
> >         RKISP1_V11,
> >         RKISP1_V12,
> >         RKISP1_V13,
> > +       /* TODO Choose a better version for this */
> > +       IMX8MP_V10,
> >  };
> >
> >  enum rkisp1_cif_isp_histogram_mode {

-- 
Regards,

Laurent Pinchart