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hw/arm/aspeed: firework: add I2C MUXes for VR channels 

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>
Message-Id: <20220627154703.148943-8-quic_jaehyoo@quicinc.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Jae Hyun Yoo 2022-06-30 09:21:13 +02:00 committed by Cédric Le Goater
parent cfc68f1639
commit 2a7a5d5cc4
1 changed files with 9 additions and 1 deletions
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10
hw/arm/aspeed.c
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@ -965,13 +965,21 @@ static void qcom_dc_scm_bmc_i2c_init(AspeedMachineState *bmc)
static void qcom_dc_scm_firework_i2c_init(AspeedMachineState *bmc) static void qcom_dc_scm_firework_i2c_init(AspeedMachineState *bmc)
{ {
AspeedSoCState *soc = &bmc->soc; AspeedSoCState *soc = &bmc->soc;
I2CSlave *therm_mux; I2CSlave *therm_mux, *cpuvr_mux;
/* Create the generic DC-SCM hardware */ /* Create the generic DC-SCM hardware */
qcom_dc_scm_bmc_i2c_init(bmc); qcom_dc_scm_bmc_i2c_init(bmc);
/* Now create the Firework specific hardware */ /* 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*/ /* I2C8 Thermal Diodes*/
therm_mux = i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 8), therm_mux = i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 8),
"pca9548", 0x70); "pca9548", 0x70);