From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
To: kishon@ti.com, robh+dt@kernel.org, mark.rutland@arm.com
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-renesas-soc@vger.kernel.org,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Subject: [PATCH 7/8] phy: renesas: rcar-gen3-usb2: add conditions for uses_otg_pins == false
Date: Fri, 21 Sep 2018 20:53:23 +0900 [thread overview]
Message-ID: <1537530804-19399-8-git-send-email-yoshihiro.shimoda.uh@renesas.com> (raw)
In-Reply-To: <1537530804-19399-1-git-send-email-yoshihiro.shimoda.uh@renesas.com>
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>
---
drivers/phy/renesas/phy-rcar-gen3-usb2.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
index 93ab860..3f2efe5 100644
--- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c
+++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
@@ -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);
}
--
1.9.1
next prev parent reply other threads:[~2018-09-21 11:55 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-21 11:53 [PATCH 0/8] phy: renesas: rcar-gen3-usb2: re-design for all R-Car Gen3 SoCs Yoshihiro Shimoda
2018-09-21 11:53 ` [PATCH 1/8] dt-bindings: rcar-gen3-phy-usb2: add no-otg-pins property Yoshihiro Shimoda
2018-09-25 7:31 ` Simon Horman
2018-10-15 14:49 ` Rob Herring
2018-09-21 11:53 ` [PATCH 2/8] phy: renesas: rcar-gen3-usb2: fix vbus_ctrl for role sysfs Yoshihiro Shimoda
2018-09-25 7:30 ` Simon Horman
2018-09-21 11:53 ` [PATCH 3/8] phy: renesas: rcar-gen3-usb2: Rename has_otg_pins to uses_otg_pins Yoshihiro Shimoda
2018-09-25 7:31 ` Simon Horman
2018-09-21 11:53 ` [PATCH 4/8] phy: renesas: rcar-gen3-usb2: Check a property to use otg pins Yoshihiro Shimoda
2018-09-25 7:25 ` Simon Horman
2018-09-21 11:53 ` [PATCH 5/8] phy: renesas: rcar-gen3-usb2: unify OBINTEN handling Yoshihiro Shimoda
2018-09-25 7:24 ` Simon Horman
2018-09-21 11:53 ` [PATCH 6/8] phy: renesas: rcar-gen3-usb2: change a condition "dr_mode" Yoshihiro Shimoda
2018-09-25 7:31 ` Simon Horman
2018-09-21 11:53 ` Yoshihiro Shimoda [this message]
2018-09-25 7:30 ` [PATCH 7/8] phy: renesas: rcar-gen3-usb2: add conditions for uses_otg_pins == false Simon Horman
2018-09-21 11:53 ` [PATCH 8/8] phy: renesas: rcar-gen3-usb2: add is_otg_channel to use "role" sysfs Yoshihiro Shimoda
2018-09-25 7:31 ` Simon Horman
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