The PCA9543 is a 2-channel I2C switch.
Signed-off-by: Luca Ceresoli <[email protected]>
---
drivers/i2c/muxes/Kconfig | 10 +++++-----
drivers/i2c/muxes/pca954x.c | 6 ++++++
2 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig
index 26be78f685de..7de4977c9c4a 100644
--- a/drivers/i2c/muxes/Kconfig
+++ b/drivers/i2c/muxes/Kconfig
@@ -29,11 +29,11 @@ config I2C_MUX_PCA954x
tristate "TI PCA954x I2C Mux/switches"
depends on I2C_MUX
help
- If you say yes here you get support for the TI PCA954x
- I2C mux/switch devices. It is x width I2C multiplexer which enables to
- partitioning I2C bus and connect multiple devices with the same
address
- to the same I2C controller where driver handles proper routing to
- target i2c device. PCA9544, PCA9547 PCA9548 and PCA9646 are supported.
+ If you say yes here you get support for the TI PCA954x I2C mux/switch
+ devices. It is x width I2C multiplexer which enables to partitioning
+ I2C bus and connect multiple devices with the same address to the same
+ I2C controller where driver handles proper routing to target i2c
+ device. PCA9543, PCA9544, PCA9547 PCA9548 and PCA9646 are supported.
config I2C_MUX_GPIO
tristate "GPIO-based I2C multiplexer"
diff --git a/drivers/i2c/muxes/pca954x.c b/drivers/i2c/muxes/pca954x.c
index 5669753ce14d..a630ce991d04 100644
--- a/drivers/i2c/muxes/pca954x.c
+++ b/drivers/i2c/muxes/pca954x.c
@@ -15,6 +15,7 @@
DECLARE_GLOBAL_DATA_PTR;
enum pca_type {
+ PCA9543,
PCA9544,
PCA9547,
PCA9548,
@@ -37,6 +38,10 @@ struct pca954x_priv {
};
static const struct chip_desc chips[] = {
+ [PCA9543] = {
+ .muxtype = pca954x_isswi,
+ .width = 2,
+ },
[PCA9544] = {
.enable = 0x4,
.muxtype = pca954x_ismux,
@@ -87,6 +92,7 @@ static const struct i2c_mux_ops pca954x_ops = {
};
static const struct udevice_id pca954x_ids[] = {
+ { .compatible = "nxp,pca9543", .data = PCA9543 },
{ .compatible = "nxp,pca9544", .data = PCA9544 },
{ .compatible = "nxp,pca9547", .data = PCA9547 },
{ .compatible = "nxp,pca9548", .data = PCA9548 },
--
2.21.0
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