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| author | Chris Packham <judge.packham@gmail.com> | 2020-04-01 05:55:27 +0300 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2020-04-20 07:47:35 +0300 |
| commit | 0b1d7b7271c6df13da87218dfa8a2459e0eb29fa (patch) | |
| tree | db168f20932883fe5d7c8b9a8444c7d3906e3a62 /drivers/i2c | |
| parent | 8d5d3bcf3c53d798bd7f3fe7092e994593bcc41c (diff) | |
| download | u-boot-0b1d7b7271c6df13da87218dfa8a2459e0eb29fa.tar.xz | |
i2c: muxes: pca954x: add PCA9546 variant
This adds the PCA9546 4-channel i2c bus switch.
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
Reviewed-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/muxes/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/i2c/muxes/pca954x.c | 6 |
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig index 68f15261be..39683fc43b 100644 --- a/drivers/i2c/muxes/Kconfig +++ b/drivers/i2c/muxes/Kconfig @@ -33,8 +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 PCA9543, PCA9544, PCA9547, PCA9548 and - PCA9646. + device. Supported chips are PCA9543, PCA9544, PCA9546, 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 be90a7b24a..cc8afc93b5 100644 --- a/drivers/i2c/muxes/pca954x.c +++ b/drivers/i2c/muxes/pca954x.c @@ -18,6 +18,7 @@ DECLARE_GLOBAL_DATA_PTR; enum pca_type { PCA9543, PCA9544, + PCA9546, PCA9547, PCA9548, PCA9646 @@ -48,6 +49,10 @@ static const struct chip_desc chips[] = { .muxtype = pca954x_ismux, .width = 4, }, + [PCA9546] = { + .muxtype = pca954x_isswi, + .width = 4, + }, [PCA9547] = { .enable = 0x8, .muxtype = pca954x_ismux, @@ -95,6 +100,7 @@ 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,pca9546", .data = PCA9546 }, { .compatible = "nxp,pca9547", .data = PCA9547 }, { .compatible = "nxp,pca9548", .data = PCA9548 }, { .compatible = "nxp,pca9646", .data = PCA9646 }, |