[PATCH v14 15/18] media: i2c: ds90ub953: Handle V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK

Tomi Valkeinen
2023-06-16T14:01:29Z

Handle V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK flag to configure the CSI-2 RX
continuous/non-continuous clock register.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
drivers/media/i2c/ds90ub953.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c
index 5b586855c77b..f2e950a00d64 100644
--- a/drivers/media/i2c/ds90ub953.c
+++ b/drivers/media/i2c/ds90ub953.c
@@ -138,6 +138,7 @@ struct ub953_data {
struct regmap *regmap;

u32 num_data_lanes;
+ bool non_cont_clk;

struct gpio_chip gpio_chip;

@@ -1140,6 +1141,9 @@ static int ub953_parse_dt(struct ub953_data *priv)

priv->num_data_lanes = nlanes;

+ priv->non_cont_clk = vep.bus.mipi_csi2.flags &
+ V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK;
+
return 0;
}

@@ -1202,7 +1206,7 @@ static int ub953_hw_init(struct ub953_data *priv)
return dev_err_probe(dev, ret, "i2c init failed\n");

ub953_write(priv, UB953_REG_GENERAL_CFG,
- UB953_REG_GENERAL_CFG_CONT_CLK |
+ (priv->non_cont_clk ? 0 : UB953_REG_GENERAL_CFG_CONT_CLK) |
((priv->num_data_lanes - 1) << UB953_REG_GENERAL_CFG_CSI_LANE_SEL_SHIFT) |
UB953_REG_GENERAL_CFG_CRC_TX_GEN_ENABLE);

--
2.34.1