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phy: renesas: rcar-gen3-usb2: add conditions for uses_otg_pins == false

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If uses_otg_pins is set to false, this driver 1) should disable otg
related interruptions, and 2) should not get ID pin signal, to avoid
unexpected behaviors. So, this patch adds conditions for it.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Yoshihiro Shimoda 2018-09-21 20:53:23 +09:00 committed by Kishon Vijay Abraham I
parent 73801b90a3
commit a602152c81
1 changed files with 4 additions and 1 deletions
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5
drivers/phy/renesas/phy-rcar-gen3-usb2.c
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@ -148,7 +148,7 @@ static void rcar_gen3_control_otg_irq(struct rcar_gen3_chan *ch, int enable)
void __iomem *usb2_base = ch->base;
u32 val = readl(usb2_base + USB2_OBINTEN);
if (enable)
if (ch->uses_otg_pins && enable)
val |= USB2_OBINT_BITS;
else
val &= ~USB2_OBINT_BITS;
@ -210,6 +210,9 @@ static void rcar_gen3_init_from_a_peri_to_a_host(struct rcar_gen3_chan *ch)
static bool rcar_gen3_check_id(struct rcar_gen3_chan *ch)
{
if (!ch->uses_otg_pins)
return (ch->dr_mode == USB_DR_MODE_HOST) ? false : true;
return !!(readl(ch->base + USB2_ADPCTRL) & USB2_ADPCTRL_IDDIG);
}