mmMISC_CLK_CNTL
orig = data = RREG32(mmMISC_CLK_CNTL);
WREG32(mmMISC_CLK_CNTL, data);
WREG32_P(mmMISC_CLK_CNTL, (tmp << MISC_CLK_CNTL__DEEP_SLEEP_CLK_SEL__SHIFT), ~MISC_CLK_CNTL__DEEP_SLEEP_CLK_SEL_MASK);