media: ov5640: Rework CSI-2 clock tree
Re-work the ov5640_set_mipi_pclk() function to calculate the PLL configuration using the pixel_rate and link_freq values set at s_fmt time. Rework the DVP clock mode settings to calculate the pixel clock internally and remove the assumption on the 16bpp format. Tested in MIPI CSI-2 mode with 1 and 2 data lanes with: - all the sensor supported resolutions in UYVY, RGB565 and MJPEG formats. - resolutions >= 1280x720 in RAW Bayer format. - resolutions < 1280x720 in RGB888 format. [Rework pclk_period and link_freq computation] Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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