[PATCH 3/6] media: qcom: camss: csiphy-3ph: Add CSIPHY 2ph DPHY v2.0.1 init sequence

Loic Poulain
2025-04-16T12:09:20Z

This is the CSI PHY version found in QCS2290/QCM2290 SoCs.
The table is extracted from downstream camera driver.

Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
---
.../qcom/camss/camss-csiphy-3ph-1-0.c | 89 +++++++++++++++++++
drivers/media/platform/qcom/camss/camss.h | 1 +
2 files changed, 90 insertions(+)

diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
index f732a76de93e..0e314ff9292f 100644
--- a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
+++ b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
@@ -319,6 +319,90 @@ csiphy_lane_regs lane_regs_sm8250[] = {
{0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
};

+/* GEN2 2.0.1 2PH DPHY mode */
+static const struct
+csiphy_lane_regs lane_regs_qcm2290[] = {
+ {0x0030, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x002C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0034, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0028, 0x04, 0x00, CSIPHY_DNP_PARAMS},
+ {0x003C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x001C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0000, 0xD7, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0004, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0020, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0008, 0x04, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+ {0x000C, 0xFF, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0010, 0x50, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0038, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0060, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0064, 0x3F, 0x00, CSIPHY_DEFAULT_PARAMS},
+
+ {0x0730, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x072C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0734, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0728, 0x04, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x073C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x071C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0700, 0xC0, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0704, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0720, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0708, 0x04, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+ {0x070C, 0xFF, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0710, 0x50, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0738, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0760, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0764, 0x3F, 0x00, CSIPHY_DEFAULT_PARAMS},
+
+ {0x0230, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x022C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0234, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0228, 0x04, 0x00, CSIPHY_DNP_PARAMS},
+ {0x023C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x021C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0200, 0xD7, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0204, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0220, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0208, 0x04, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+ {0x020C, 0xFF, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0210, 0x50, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0238, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0260, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0264, 0x3F, 0x00, CSIPHY_DEFAULT_PARAMS},
+
+ {0x0430, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x042C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0434, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0428, 0x04, 0x00, CSIPHY_DNP_PARAMS},
+ {0x043C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x041C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0400, 0xD7, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0404, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0420, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0408, 0x04, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+ {0x040C, 0xFF, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0410, 0x50, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0438, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0460, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0464, 0x3F, 0x00, CSIPHY_DEFAULT_PARAMS},
+
+ {0x0630, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x062C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0634, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0628, 0x04, 0x00, CSIPHY_DNP_PARAMS},
+ {0x063C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x061C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0600, 0xD7, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0604, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0620, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0608, 0x04, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+ {0x060C, 0xFF, 0x00, CSIPHY_DNP_PARAMS},
+ {0x0610, 0x50, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0638, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0660, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+ {0x0664, 0x3F, 0x00, CSIPHY_DEFAULT_PARAMS},
+};
+
/* GEN2 2.1.2 2PH DPHY mode */
static const struct
csiphy_lane_regs lane_regs_sm8550[] = {
@@ -744,6 +828,7 @@ static bool csiphy_is_gen2(u32 version)
bool ret = false;

switch (version) {
+ case CAMSS_2290:
case CAMSS_7280:
case CAMSS_8250:
case CAMSS_8280XP:
@@ -829,6 +914,10 @@ static int csiphy_init(struct csiphy_device *csiphy)
regs->lane_regs = &lane_regs_sdm845[0];
regs->lane_array_size = ARRAY_SIZE(lane_regs_sdm845);
break;
+ case CAMSS_2290:
+ regs->lane_regs = &lane_regs_qcm2290[0];
+ regs->lane_array_size = ARRAY_SIZE(lane_regs_qcm2290);
+ break;
case CAMSS_7280:
case CAMSS_8250:
regs->lane_regs = &lane_regs_sm8250[0];
diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h
index 63c0afee154a..377707d91ff2 100644
--- a/drivers/media/platform/qcom/camss/camss.h
+++ b/drivers/media/platform/qcom/camss/camss.h
@@ -78,6 +78,7 @@ enum pm_domain {

enum camss_version {
CAMSS_660,
+ CAMSS_2290,
CAMSS_7280,
CAMSS_8x16,
CAMSS_8x53,
--
2.34.1