LPDPTX_AUX_CLAMP_EN
set32(atcphy->regs.lpdptx + LPDPTX_AUX_CONTROL, LPDPTX_AUX_CLAMP_EN);
clear32(atcphy->regs.lpdptx + LPDPTX_AUX_CONTROL, LPDPTX_AUX_CLAMP_EN);