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usb: dwc2: Enable power down
Enable the power down option based on the core capability. Signed-off-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Vardan Mikayelyan <mvardan@synopsys.com> Signed-off-by: Artur Petrosyan <arturp@synopsys.com> Signed-off-by: Grigor Tovmasyan <tovmasya@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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@ -252,6 +252,20 @@ static void dwc2_set_param_tx_fifo_sizes(struct dwc2_hsotg *hsotg)
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p->g_tx_fifo_size[i] = depth_average;
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}
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static void dwc2_set_param_power_down(struct dwc2_hsotg *hsotg)
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{
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int val;
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if (hsotg->hw_params.hibernation)
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val = 2;
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else if (hsotg->hw_params.power_optimized)
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val = 1;
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else
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val = 0;
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hsotg->params.power_down = val;
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}
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/**
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* dwc2_set_default_params() - Set all core parameters to their
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* auto-detected default values.
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@ -266,6 +280,7 @@ static void dwc2_set_default_params(struct dwc2_hsotg *hsotg)
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dwc2_set_param_phy_type(hsotg);
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dwc2_set_param_speed(hsotg);
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dwc2_set_param_phy_utmi_width(hsotg);
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dwc2_set_param_power_down(hsotg);
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p->phy_ulpi_ddr = false;
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p->phy_ulpi_ext_vbus = false;
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@ -278,7 +293,6 @@ static void dwc2_set_default_params(struct dwc2_hsotg *hsotg)
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p->reload_ctl = (hw->snpsid >= DWC2_CORE_REV_2_92a);
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p->uframe_sched = true;
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p->external_id_pin_ctl = false;
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p->power_down = false;
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p->lpm = true;
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p->lpm_clock_gating = true;
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p->besl = true;
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