[PATCH 6.12.y-cip 08/19] i3c: Add more parameters for controllers to the header

Tommaso Merciai
2026-01-08T09:31:20Z

From: Wolfram Sang <wsa+renesas@sang-engineering.com>

commit 8acf1f3bae1ea48949458b67d68a72a95c3244a4 upstream.

Add standard timing value definition from specification.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20250724094146.6443-3-wsa+renesas@sang-engineering.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
---
include/linux/i3c/master.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/include/linux/i3c/master.h b/include/linux/i3c/master.h
index 7dfcbe530515..043f5c7ff398 100644
--- a/include/linux/i3c/master.h
+++ b/include/linux/i3c/master.h
@@ -254,6 +254,10 @@ struct i3c_device {
#define I3C_BUS_I2C_FM_SCL_MAX_RATE 400000
#define I3C_BUS_I3C_SCL_MAX_RATE 12900000
#define I3C_BUS_I3C_SCL_TYP_RATE 12500000
+#define I3C_BUS_TAVAL_MIN_NS 1000
+#define I3C_BUS_TBUF_MIXED_FM_MIN_NS 1300
+#define I3C_BUS_THIGH_MIXED_MAX_NS 41
+#define I3C_BUS_TIDLE_MIN_NS 200000
#define I3C_BUS_TLOW_OD_MIN_NS 200

/**
--
2.43.0