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Add busfreq support for i.MX7D, including DDR3 and LPDDR3
boards, below setpoints are supported:
LPDDR3:
HIGH: DRAM CLK = 533MHz;
AUDIO: DRAM CLK = 100MHz;
LOW: DRAM CLK = 24MHz;
DDR3:
HIGH: DRAM CLK = 533MHz;
AUDIO: DRAM CLK = 50MHz;
LOW: DRAM CLK = 24MHz;
Busfreq driver will auto detect DDR type, so no different
operations needed for different DDR type, test cases are
same as previous i.MX6 SoCs.
Signed-off-by: Anson Huang <b20788@freescale.com>
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When Mega/Fast mix is off in DSM, we need to do DDR retention,
by default, Mega/Fast mix will be off in DSM, unless there
is any device inside Mega/Fast mix domain enabled as wakeup source.
Signed-off-by: Anson Huang <b20788@freescale.com>
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Add i.MX7D MSL support.
Signed-off-by: Anson Huang <b20788@freescale.com>
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