From b57a5fd2ccf2037be6749e339da5de9b20fdbff2 Mon Sep 17 00:00:00 2001 From: Tomi Valkeinen Date: Mon, 31 Jul 2023 16:24:36 +0300 Subject: [PATCH] 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 Reviewed-by: Laurent Pinchart Reviewed-by: Andy Shevchenko Signed-off-by: Sakari Ailus Signed-off-by: Hans Verkuil --- drivers/media/i2c/ds90ub960.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/i2c/ds90ub960.c b/drivers/media/i2c/ds90ub960.c index 4833b39..b840c91 100644 --- a/drivers/media/i2c/ds90ub960.c +++ b/drivers/media/i2c/ds90ub960.c @@ -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); } -- 2.7.4