@@ -158,6 +158,9 @@ static void v4l2_fwnode_endpoint_parse_parallel_bus(
flags |= v ? V4L2_MBUS_DATA_ENABLE_HIGH :
V4L2_MBUS_DATA_ENABLE_LOW;
+ if (!fwnode_property_read_u32(fwnode, "pclk-max-frequency", &v))
+ bus->pclk_max_frequency = v;
+
bus->flags = flags;
}
@@ -52,11 +52,13 @@ struct v4l2_fwnode_bus_mipi_csi2 {
* @flags: media bus (V4L2_MBUS_*) flags
* @bus_width: bus width in bits
* @data_shift: data shift in bits
+ * @max_pclk_frequency: maximum pixel clock in hertz
*/
struct v4l2_fwnode_bus_parallel {
unsigned int flags;
unsigned char bus_width;
unsigned char data_shift;
+ unsigned int pclk_max_frequency;
};
/**
Add pclk-max-frequency property in parallel port endpoint in order to inform sensor of the maximum pixel clock frequency admissible by camera interface that is connected on. Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com> --- drivers/media/v4l2-core/v4l2-fwnode.c | 3 +++ include/media/v4l2-fwnode.h | 2 ++ 2 files changed, 5 insertions(+)