[PATCH v1] i2c: muxes: pca954x: add pca9545 support

Frank Wunderlich linux at fw-web.de
Fri Jun 6 11:50:54 CEST 2025


From: Frank Wunderlich <frank-w at public-files.de>

Add support for 4 channel pca9545 found on Bananapi R4.

Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
---
 drivers/i2c/muxes/pca954x.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/i2c/muxes/pca954x.c b/drivers/i2c/muxes/pca954x.c
index 9dd269727036..d13947a0d9cc 100644
--- a/drivers/i2c/muxes/pca954x.c
+++ b/drivers/i2c/muxes/pca954x.c
@@ -22,6 +22,7 @@ enum pca_type {
 	MAX7369,
 	PCA9543,
 	PCA9544,
+	PCA9545,
 	PCA9546,
 	PCA9547,
 	PCA9548,
@@ -79,6 +80,10 @@ static const struct chip_desc chips[] = {
 		.muxtype = pca954x_ismux,
 		.width = 4,
 	},
+	[PCA9545] = {
+		.muxtype = pca954x_isswi,
+		.width = 4,
+	},
 	[PCA9546] = {
 		.muxtype = pca954x_isswi,
 		.width = 4,
@@ -141,6 +146,7 @@ static const struct udevice_id pca954x_ids[] = {
 	{ .compatible = "maxim,max7369", .data = MAX7369 },
 	{ .compatible = "nxp,pca9543", .data = PCA9543 },
 	{ .compatible = "nxp,pca9544", .data = PCA9544 },
+	{ .compatible = "nxp,pca9545", .data = PCA9545 },
 	{ .compatible = "nxp,pca9546", .data = PCA9546 },
 	{ .compatible = "nxp,pca9547", .data = PCA9547 },
 	{ .compatible = "nxp,pca9548", .data = PCA9548 },
-- 
2.43.0



More information about the U-Boot mailing list