/*
* Driver for Cadence MIPI-CSI2 TX Controller
*
- * Copyright (C) 2017-2018 Cadence Design Systems Inc.
+ * Copyright (C) 2017-2019 Cadence Design Systems Inc.
*/
#include <linux/clk.h>
{
struct v4l2_fwnode_endpoint v4l2_ep = { .bus_type = 0 };
struct device_node *ep;
- int ret;
+ int ret, i;
ep = of_graph_get_endpoint_by_regs(csi2tx->dev->of_node, 0, 0);
if (!ep)
goto out;
}
+ for (i = 0; i < csi2tx->num_lanes; i++) {
+ if (v4l2_ep.bus.mipi_csi2.data_lanes[i] < 1) {
+ dev_err(csi2tx->dev, "Invalid lane[%d] number: %u\n",
+ i, v4l2_ep.bus.mipi_csi2.data_lanes[i]);
+ ret = -EINVAL;
+ goto out;
+ }
+ }
+
memcpy(csi2tx->lanes, v4l2_ep.bus.mipi_csi2.data_lanes,
sizeof(csi2tx->lanes));