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media: i2c: ds90ub960: Configure CSI-2 continuous clock 

Use 'clock-noncontinuous' from DT to configure the
continuous/non-continuous clock setting for the TX ports.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
pull/806/head
Tomi Valkeinen 2023-07-31 16:24:36 +03:00 committed by Mauro Carvalho Chehab
parent 905f88cceb
commit b57a5fd2cc
1 changed files with 8 additions and 0 deletions
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8
drivers/media/i2c/ds90ub960.c
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@ -149,6 +149,7 @@
#define UB960_TR_CSI_CTL 0x33
#define UB960_TR_CSI_CTL_CSI_CAL_EN BIT(6)
#define UB960_TR_CSI_CTL_CSI_CONTS_CLOCK BIT(1)
#define UB960_TR_CSI_CTL_CSI_ENABLE BIT(0)
#define UB960_TR_CSI_CTL2 0x34
@ -485,6 +486,7 @@ struct ub960_txport {
u8 nport; /* TX port number, and index in priv->txport[] */
u32 num_data_lanes;
bool non_continous_clk;
};
struct ub960_data {
@ -1133,6 +1135,9 @@ static int ub960_parse_dt_txport(struct ub960_data *priv,
goto err_free_txport;
}
txport->non_continous_clk = vep.bus.mipi_csi2.flags &
V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK;
txport->num_data_lanes = vep.bus.mipi_csi2.num_data_lanes;
if (vep.nr_of_link_frequencies != 1) {
@ -1744,6 +1749,9 @@ static void ub960_init_tx_port(struct ub960_data *priv,
csi_ctl |= (4 - txport->num_data_lanes) << 4;
if (!txport->non_continous_clk)
csi_ctl |= UB960_TR_CSI_CTL_CSI_CONTS_CLOCK;
ub960_txport_write(priv, nport, UB960_TR_CSI_CTL, csi_ctl);
}