From: Lukasz Czechowski <lukasz.czechowski@thaumatec.com>
To: Matthias Kaehlcke <mka@chromium.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Benjamin Bara <benjamin.bara@skidata.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Heiko Stuebner <heiko@sntech.de>,
Klaus Goger <klaus.goger@theobroma-systems.com>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org,
Lukasz Czechowski <lukasz.czechowski@thaumatec.com>,
quentin.schulz@cherry.de
Subject: [PATCH 4/5] arm64: dts: rockchip: disable unrouted USB controllers and PHY on RK3399 Puma
Date: Wed, 26 Mar 2025 17:22:59 +0100 [thread overview]
Message-ID: <20250326-onboard_usb_dev-v1-4-a4b0a5d1b32c@thaumatec.com> (raw)
In-Reply-To: <20250326-onboard_usb_dev-v1-0-a4b0a5d1b32c@thaumatec.com>
From: Quentin Schulz <quentin.schulz@cherry.de>
The u2phy1_host port is the part of the USB PHY1 (namely the
HOST1_DP/DM lanes) which routes directly to the USB2.0 HOST
controller[1]. The other lanes of the PHY are routed to the USB3.0 OTG
controller (dwc3), which we do use.
The HOST1_DP/DM lanes aren't routed on RK3399 Puma so let's simply
disable the USB2.0 controllers and associated part in USB2.0 PHY.
No intended functional change.
[1] https://rockchip.fr/Rockchip%20RK3399%20TRM%20V1.3%20Part2.pdf
Chapter 2 USB2.0 PHY
Fixes: 2c66fc34e945 ("arm64: dts: rockchip: add RK3399-Q7 (Puma) SoM")
Signed-off-by: Quentin Schulz <quentin.schulz@cherry.de>
Signed-off-by: Lukasz Czechowski <lukasz.czechowski@thaumatec.com>
---
arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
index 3a9049372e12..d0d867374b3f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
@@ -579,10 +579,6 @@ &u2phy1 {
u2phy1_otg: otg-port {
status = "okay";
};
-
- u2phy1_host: host-port {
- status = "okay";
- };
};
&usbdrd3_1 {
@@ -611,11 +607,3 @@ hub_3_0: hub@2 {
reset-gpios = <&gpio4 RK_PA3 GPIO_ACTIVE_HIGH>;
};
};
-
-&usb_host1_ehci {
- status = "okay";
-};
-
-&usb_host1_ohci {
- status = "okay";
-};
--
2.43.0
next prev parent reply other threads:[~2025-03-26 16:23 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-26 16:22 [PATCH 0/5] Fix onboard USB hub instability on RK3399 Puma SoM Lukasz Czechowski
2025-03-26 16:22 ` [PATCH 1/5] usb: misc: onboard_usb_dev: fix support for Cypress HX3 hubs Lukasz Czechowski
2025-03-28 8:19 ` Krzysztof Kozlowski
2025-03-26 16:22 ` [PATCH 2/5] dt-bindings: usb: cypress,hx3: Add support for all variants Lukasz Czechowski
2025-03-26 17:58 ` Conor Dooley
2025-04-08 16:36 ` Łukasz Czechowski
2025-04-09 16:18 ` Conor Dooley
2025-04-09 16:26 ` Quentin Schulz
2025-04-09 21:27 ` Conor Dooley
2025-04-10 9:37 ` Quentin Schulz
2025-04-09 14:14 ` Rob Herring (Arm)
2025-03-26 16:22 ` [PATCH 3/5] arm64: dts: rockchip: fix internal USB hub instability on RK3399 Puma Lukasz Czechowski
2025-03-26 16:22 ` Lukasz Czechowski [this message]
2025-03-26 16:23 ` [PATCH 5/5] arm64: dts: rockchip: disable unrouted USB controllers and PHY on RK3399 Puma with Haikou Lukasz Czechowski
2025-03-26 19:11 ` [PATCH 0/5] Fix onboard USB hub instability on RK3399 Puma SoM Rob Herring (Arm)
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20250326-onboard_usb_dev-v1-4-a4b0a5d1b32c@thaumatec.com \
--to=lukasz.czechowski@thaumatec.com \
--cc=benjamin.bara@skidata.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=gregkh@linuxfoundation.org \
--cc=heiko@sntech.de \
--cc=klaus.goger@theobroma-systems.com \
--cc=krzk+dt@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rockchip@lists.infradead.org \
--cc=linux-usb@vger.kernel.org \
--cc=mka@chromium.org \
--cc=quentin.schulz@cherry.de \
--cc=robh@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox