From: Inochi Amaoto <inochiama@gmail.com>
To: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Chen Wang <chen.wang@linux.dev>,
Inochi Amaoto <inochiama@gmail.com>,
Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>,
Minas Harutyunyan <hminas@synopsys.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Longbin Li <looong.bin@gmail.com>,
Dinh Nguyen <dinguyen@opensource.altera.com>,
Paul Zimmerman <paulz@synopsys.com>, Felipe Balbi <balbi@ti.com>
Cc: devicetree@vger.kernel.org, sophgo@lists.linux.dev,
linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-usb@vger.kernel.org, Yixun Lan <dlan@gentoo.org>
Subject: [PATCH 4/4] riscv: dts: sophgo: Enable USB role switch on Huashan PI
Date: Tue, 10 Nov 2026 15:06:25 +0800 [thread overview]
Message-ID: <20261110070627.217946-5-inochiama@gmail.com> (raw)
In-Reply-To: <20261110070627.217946-1-inochiama@gmail.com>
As current the DWC2 support role switch on CV18XX SoCs. Enable it
on Huashan PI.
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
---
arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
index aedf79f47407..bf3d58c355c3 100644
--- a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
+++ b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
@@ -88,6 +88,8 @@ &uart0 {
};
&usb {
- dr_mode = "host";
+ dr_mode = "otg";
+ usb-role-switch;
+ role-switch-default-mode = "host";
status = "okay";
};
--
2.56.0
prev parent reply other threads:[~2026-11-10 7:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-10 7:06 [PATCH 0/4] usb: dwc2: Add USB DRD support on CV1800 Series SoC Inochi Amaoto
2026-11-10 7:06 ` [PATCH 1/4] usb: dwc2: gadget: honor pullup requests in core_connect Inochi Amaoto
2026-11-10 7:06 ` [PATCH 2/4] usb: dwc2: drd: Sync the generic PHY mode with role requests Inochi Amaoto
2026-11-10 7:06 ` [PATCH 3/4] usb: dwc2: Add USB DRD support on CV1800 series SoC Inochi Amaoto
2026-11-10 7:06 ` Inochi Amaoto [this message]
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