diff options
| author | Luca Ceresoli <luca@lucaceresoli.net> | 2019-04-09 08:57:43 +0200 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2019-04-11 15:21:33 +0200 |
| commit | 9985b74bf6d6550b83370e28057f11eab2a647d7 (patch) | |
| tree | 839dd9554c0f73091834b78171b76c456937ec75 /drivers/i2c | |
| parent | 5995cdb167a4e8d3049cc25ca37c13ab85a63ac0 (diff) | |
| download | u-boot-9985b74bf6d6550b83370e28057f11eab2a647d7.tar.gz | |
i2c: muxes: pca954x: support PCA9543 I2C switch
The PCA9543 is a 2-channel I2C switch.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Reviewed-by: Heiko Schocher <hs@denx.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Heiko Schocher<hs@denx.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/muxes/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/i2c/muxes/pca954x.c | 6 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig index 4a601c88b7..68f15261be 100644 --- a/drivers/i2c/muxes/Kconfig +++ b/drivers/i2c/muxes/Kconfig @@ -33,7 +33,8 @@ config I2C_MUX_PCA954x 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. Supported chips are PCA9544, PCA9547, PCA9548 and PCA9646. + device. Supported chips are PCA9543, PCA9544, PCA9547, PCA9548 and + PCA9646. config I2C_MUX_GPIO tristate "GPIO-based I2C multiplexer" diff --git a/drivers/i2c/muxes/pca954x.c b/drivers/i2c/muxes/pca954x.c index 5669753ce1..a630ce991d 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 }, |