diff mbox series

[6/7] media: qcom: camss: csiphy-3ph: Add 4nm CSIPHY 2ph 5Gbps DPHY v2.1.2 init sequence

Message ID 20250120-linux-next-25-01-19-x1e80100-camss-driver-v1-6-44c62a0edcd2@linaro.org
State New
Headers show
Series media: qcom: camss: Add X1 Elite support | expand

Commit Message

Bryan O'Donoghue Jan. 20, 2025, 3:47 p.m. UTC 
For various SoC skews at 4nm CSIPHY 2.1.2 is used. Add in the init sequence
with base control reg offset of 0x1000.

This initial version will support X1E80100. Take the silicon verification
PHY init parameters as a first/best guess pass.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
---
 .../platform/qcom/camss/camss-csiphy-3ph-1-0.c     | 126 +++++++++++++++++++++
 1 file changed, 126 insertions(+)
diff mbox series

Patch

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 b44939686e4bb..fc624a3da1c43 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
@@ -55,6 +55,7 @@ 
 #define CSIPHY_DNP_PARAMS		4
 #define CSIPHY_2PH_REGS			5
 #define CSIPHY_3PH_REGS			6
+#define CSIPHY_SKEW_CAL			7
 
 struct csiphy_lane_regs {
 	s32 reg_addr;
@@ -423,6 +424,130 @@  csiphy_lane_regs lane_regs_sm8550[] = {
 	{0x0C64, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
 };
 
+/* 4nm 2PH v 2.1.2 2p5Gbps 4 lane DPHY mode */
+static const struct
+csiphy_lane_regs lane_regs_x1e80100[] = {
+	/* Power up lanes 2ph mode */
+	{0x1014, 0xD5, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x101C, 0x7A, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x1018, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+
+	{0x0094, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x00A0, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0090, 0x0f, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0098, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0094, 0x07, 0x01, CSIPHY_DEFAULT_PARAMS},
+	{0x0030, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0000, 0x8E, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0038, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x002C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0034, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x001C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0014, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x003C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0004, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0020, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0008, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+	{0x0010, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0094, 0xD7, 0x00, CSIPHY_SKEW_CAL},
+	{0x005C, 0x00, 0x00, CSIPHY_SKEW_CAL},
+	{0x0060, 0xBD, 0x00, CSIPHY_SKEW_CAL},
+	{0x0064, 0x7F, 0x00, CSIPHY_SKEW_CAL},
+	{0x0064, 0x7F, 0x00, CSIPHY_SKEW_CAL},
+
+	{0x0E94, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0EA0, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E90, 0x0f, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E98, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E94, 0x07, 0x01, CSIPHY_DEFAULT_PARAMS},
+	{0x0E30, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E28, 0x04, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E00, 0x80, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E0C, 0xFF, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E38, 0x1F, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E2C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E34, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E1C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E14, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E3C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E04, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E20, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E08, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+	{0x0E10, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E10, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E10, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0E10, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
+
+	{0x0494, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x04A0, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0490, 0x0f, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0498, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0494, 0x07, 0x01, CSIPHY_DEFAULT_PARAMS},
+	{0x0430, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0400, 0x8E, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0438, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x042C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0434, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x041C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0414, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x043C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0404, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0420, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0408, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+	{0x0410, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0494, 0xD7, 0x00, CSIPHY_SKEW_CAL},
+	{0x045C, 0x00, 0x00, CSIPHY_SKEW_CAL},
+	{0x0460, 0xBD, 0x00, CSIPHY_SKEW_CAL},
+	{0x0464, 0x7F, 0x00, CSIPHY_SKEW_CAL},
+	{0x0464, 0x7F, 0x00, CSIPHY_SKEW_CAL},
+
+	{0x0894, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x08A0, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0890, 0x0f, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0898, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0894, 0x07, 0x01, CSIPHY_DEFAULT_PARAMS},
+	{0x0830, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0800, 0x8E, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0838, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x082C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0834, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x081C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0814, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x083C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0804, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0820, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0808, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+	{0x0810, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0894, 0xD7, 0x00, CSIPHY_SKEW_CAL},
+	{0x085C, 0x00, 0x00, CSIPHY_SKEW_CAL},
+	{0x0860, 0xBD, 0x00, CSIPHY_SKEW_CAL},
+	{0x0864, 0x7F, 0x00, CSIPHY_SKEW_CAL},
+	{0x0864, 0x7F, 0x00, CSIPHY_SKEW_CAL},
+
+	{0x0C94, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0CA0, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0C90, 0x0f, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0C98, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0C94, 0x07, 0x01, CSIPHY_DEFAULT_PARAMS},
+	{0x0C30, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0C00, 0x8E, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0C38, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0C2C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0C34, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0C1C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0C14, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0C3C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0C04, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0C20, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0C08, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
+	{0x0C10, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
+	{0x0C94, 0xD7, 0x00, CSIPHY_SKEW_CAL},
+	{0x0C5C, 0x00, 0x00, CSIPHY_SKEW_CAL},
+	{0x0C60, 0xBD, 0x00, CSIPHY_SKEW_CAL},
+	{0x0C64, 0x7F, 0x00, CSIPHY_SKEW_CAL},
+	{0x0C64, 0x7F, 0x00, CSIPHY_SKEW_CAL},
+};
+
 static void csiphy_hw_version_read(struct csiphy_device *csiphy,
 				   struct device *dev)
 {
@@ -594,6 +719,7 @@  static void csiphy_gen2_config_lanes(struct csiphy_device *csiphy,
 			val = settle_cnt & 0xff;
 			break;
 		case CSIPHY_DNP_PARAMS:
+		case CSIPHY_SKEW_CAL:
 			continue;
 		default:
 			val = r->reg_data;