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Differential D27087 Diff 79169 sys/dev/mmc/mmc_fdt_helpers.c

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sys/dev/mmc/mmc_fdt_helpers.c

Show First 20 Lines • Show All 153 Lines • ▼ Show 20 Lines#ifdef EXT_RESOURCES
} }
if (regulator_get_by_ofw_property(dev, 0, "vqmmc-supply", if (regulator_get_by_ofw_property(dev, 0, "vqmmc-supply",
&helper->vqmmc_supply) == 0 && bootverbose) { &helper->vqmmc_supply) == 0 && bootverbose) {
if (bootverbose) if (bootverbose)
device_printf(dev, "vqmmc-supply regulator found\n"); device_printf(dev, "vqmmc-supply regulator found\n");
} }
if (helper->vqmmc_supply != NULL) { if (helper->vqmmc_supply != NULL) {
int uvolt;
if (regulator_get_voltage(helper->vqmmc_supply, &uvolt) == 0) {
switch (uvolt) {
case 1200000:
host->ios.vccq = vccq_120;
break;
case 1800000:
host->ios.vccq = vccq_180;
break;
case 3300000:
host->ios.vccq = vccq_330;
break;
}
manuUnsubmitted
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Maybe add a default: with a printf under bootverbose if we can't get the current voltage ?

manu: Maybe add a default: with a printf under bootverbose if we can't get the current voltage ?
if (bootverbose)
device_printf(dev,
"vqmmc current voltage: %d uV\n", uvolt);
}
if (regulator_check_voltage(helper->vqmmc_supply, 1200000) == 0) if (regulator_check_voltage(helper->vqmmc_supply, 1200000) == 0)
host->caps |= MMC_CAP_SIGNALING_120; host->caps |= MMC_CAP_SIGNALING_120;
else else
host->caps &= ~( MMC_CAP_MMC_HS400_120 | host->caps &= ~( MMC_CAP_MMC_HS400_120 |
MMC_CAP_MMC_HS200_120 | MMC_CAP_MMC_HS200_120 |
MMC_CAP_MMC_DDR52_120); MMC_CAP_MMC_DDR52_120);
if (regulator_check_voltage(helper->vqmmc_supply, 1800000) == 0) if (regulator_check_voltage(helper->vqmmc_supply, 1800000) == 0)
host->caps |= MMC_CAP_SIGNALING_180; host->caps |= MMC_CAP_SIGNALING_180;
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