Feature/wb7.3 support - #93
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which supports ultra high-speed SD cards
vdromanov
reviewed
Jun 9, 2022
| compatible = "wirenboard,wirenboard-730", "wirenboard,wirenboard-720", "wirenboard,wirenboard-700", "allwinner,sun8i-r40"; | ||
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| regulators { | ||
| vcc_sd_power: vdd-sd-power { |
vdromanov
reviewed
Jun 9, 2022
| rtc0 = &rtc_onboard; | ||
| rtc1 = &rtc; | ||
| wbc_modem = &wbc_modem; | ||
| rtc_onboard = &rtc_onboard; |
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хотя - наверное, чтобы из userspace ходить в gpio clkout?
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типа того, да.
В test-suite это понадобится.
vdromanov
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Jun 9, 2022
webconn
reviewed
Jun 9, 2022
| // it's ~40C conservative high temperature limit. | ||
| // to be overrided by battery overlay | ||
| x-powers,charge-high-temp-microvolt = <499200>; | ||
| max-frequency = <100000000>; /* Linux won't automatically go higher than 50MHz anyway due to lack of 1.8V support */ |
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У этого точно не будет побочных эффектов? Нам это в стабильный релиз бэкпортить, не хотелось бы что-то сломать. Так могли бы эту часть в тестинге оставить
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я проверил на 7.2: частота SD карточки остаётся 50 МГц, обычный режим HS25.
Все остальные режимы в SD требуют напряжение 1.8В, которое у нас явно отключено.
webconn
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Jun 9, 2022
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