On Sun, Nov 12, 2023 at 10:34 PM Potin Lai <potin.lai...@gmail.com> wrote:
> Add pca9543 2-channel i2c-mux switch support.
>
> Signed-off-by: Potin Lai <potin.lai...@gmail.com>
>
Reviewed-by: Patrick Venture <vent...@google.com>
> ---
> hw/i2c/i2c_mux_pca954x.c | 12 ++++++++++++
> include/hw/i2c/i2c_mux_pca954x.h | 1 +
> 2 files changed, 13 insertions(+)
>
> diff --git a/hw/i2c/i2c_mux_pca954x.c b/hw/i2c/i2c_mux_pca954x.c
> index db5db956a6..6aace0fc47 100644
> --- a/hw/i2c/i2c_mux_pca954x.c
> +++ b/hw/i2c/i2c_mux_pca954x.c
> @@ -30,6 +30,7 @@
>
> #define PCA9548_CHANNEL_COUNT 8
> #define PCA9546_CHANNEL_COUNT 4
> +#define PCA9543_CHANNEL_COUNT 2
>
> /*
> * struct Pca954xState - The pca954x state object.
> @@ -172,6 +173,12 @@ I2CBus *pca954x_i2c_get_bus(I2CSlave *mux, uint8_t
> channel)
> return pca954x->bus[channel];
> }
>
> +static void pca9543_class_init(ObjectClass *klass, void *data)
> +{
> + Pca954xClass *s = PCA954X_CLASS(klass);
> + s->nchans = PCA9543_CHANNEL_COUNT;
> +}
> +
> static void pca9546_class_init(ObjectClass *klass, void *data)
> {
> Pca954xClass *s = PCA954X_CLASS(klass);
> @@ -246,6 +253,11 @@ static const TypeInfo pca954x_info[] = {
> .class_init = pca954x_class_init,
> .abstract = true,
> },
> + {
> + .name = TYPE_PCA9543,
> + .parent = TYPE_PCA954X,
> + .class_init = pca9543_class_init,
> + },
> {
> .name = TYPE_PCA9546,
> .parent = TYPE_PCA954X,
> diff --git a/include/hw/i2c/i2c_mux_pca954x.h
> b/include/hw/i2c/i2c_mux_pca954x.h
> index 3dd25ec983..1da5508ed5 100644
> --- a/include/hw/i2c/i2c_mux_pca954x.h
> +++ b/include/hw/i2c/i2c_mux_pca954x.h
> @@ -3,6 +3,7 @@
>
> #include "hw/i2c/i2c.h"
>
> +#define TYPE_PCA9543 "pca9543"
> #define TYPE_PCA9546 "pca9546"
> #define TYPE_PCA9548 "pca9548"
>
> --
> 2.31.1
>
>
