On 6/27/22 17:47, Jae Hyun Yoo wrote:
> Add 2-level cascaded I2C MUXes for SOC VR channels into the Firework
> machine.
>
> Signed-off-by: Jae Hyun Yoo <quic_jaehyoo@quicinc.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Thanks,
C.
> ---
> Changes in v2:
> * None
>
> hw/arm/aspeed.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
> index cfc322ee30e9..1708a8f3408d 100644
> --- a/hw/arm/aspeed.c
> +++ b/hw/arm/aspeed.c
> @@ -1002,13 +1002,21 @@ static void qcom_dc_scm_bmc_i2c_init(AspeedMachineState *bmc)
> static void qcom_dc_scm_firework_i2c_init(AspeedMachineState *bmc)
> {
> AspeedSoCState *soc = &bmc->soc;
> - I2CSlave *therm_mux;
> + I2CSlave *therm_mux, *cpuvr_mux;
>
> /* Create the generic DC-SCM hardware */
> qcom_dc_scm_bmc_i2c_init(bmc);
>
> /* Now create the Firework specific hardware */
>
> + /* I2C7 CPUVR MUX */
> + cpuvr_mux = i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 7),
> + "pca9546", 0x70);
> + i2c_slave_create_simple(pca954x_i2c_get_bus(cpuvr_mux, 0), "pca9548", 0x72);
> + i2c_slave_create_simple(pca954x_i2c_get_bus(cpuvr_mux, 1), "pca9548", 0x72);
> + i2c_slave_create_simple(pca954x_i2c_get_bus(cpuvr_mux, 2), "pca9548", 0x72);
> + i2c_slave_create_simple(pca954x_i2c_get_bus(cpuvr_mux, 3), "pca9548", 0x72);
> +
> /* I2C8 Thermal Diodes*/
> therm_mux = i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 8),
> "pca9548", 0x70);