Support dual data rate operational system and pixel clocks by conveying
the flags to the PLL calculator and updating how the link rate is
calculated.
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
drivers/media/i2c/ccs/ccs-core.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c
index b280abb40433..7a6338a2db4c 100644
--- a/drivers/media/i2c/ccs/ccs-core.c
+++ b/drivers/media/i2c/ccs/ccs-core.c
@@ -388,7 +388,8 @@ static int ccs_pll_configure(struct ccs_sensor *sensor)
DIV_ROUND_UP(pll->op_bk.sys_clk_freq_hz,
1000000 / 256 / 256) *
(pll->flags & CCS_PLL_FLAG_LANE_SPEED_MODEL ?
- sensor->pll.csi2.lanes : 1));
+ sensor->pll.csi2.lanes : 1) <<
+ (pll->flags & CCS_PLL_FLAG_OP_SYS_DDR ? 1 : 0));
if (rval < 0 || sensor->pll.flags & CCS_PLL_FLAG_NO_OP_CLOCKS)
return rval;
@@ -3265,6 +3266,12 @@ static int ccs_probe(struct i2c_client *client)
} else {
sensor->pll.flags |= CCS_PLL_FLAG_DUAL_PLL;
}
+ if (CCS_LIM(sensor, CLOCK_CALCULATION) &
+ CCS_CLOCK_CALCULATION_DUAL_PLL_OP_SYS_DDR)
+ sensor->pll.flags |= CCS_PLL_FLAG_OP_SYS_DDR;
+ if (CCS_LIM(sensor, CLOCK_CALCULATION) &
+ CCS_CLOCK_CALCULATION_DUAL_PLL_OP_PIX_DDR)
+ sensor->pll.flags |= CCS_PLL_FLAG_OP_PIX_DDR;
}
sensor->pll.op_bits_per_lane = CCS_LIM(sensor, OP_BITS_PER_LANE);
sensor->pll.ext_clk_freq_hz = sensor->hwcfg.ext_clk;
--
2.27.0
