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* clk: add gpio controlled clock multiplexerSergej Sawazki2015-07-061-0/+19
Add a common clock driver for basic gpio controlled clock multiplexers. This driver can be used for devices like 5V41068A or 831721I from IDT or for discrete multiplexer circuits. The 'select' pin selects one of two parent clocks. Cc: Jyri Sarha <jsarha@ti.com> Signed-off-by: Sergej Sawazki <ce3a@gmx.de> [sboyd@codeaurora.org: Fix error paths to free memory and do it in the correct order] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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