linux-kernel - [PATCH v2 0/1] riscv: dts: starfive: jh7110-pine64-star64: enable usb0 host function

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Message-ID: <20241119031232.50726-1-e@freeshell.de>
Date: Mon, 18 Nov 2024 19:12:18 -0800
From: E Shattow <e@...eshell.de>
To: Henry Bell <dmoo_dv@...tonmail.com>
Cc: E Shattow <e@...eshell.de>,
	Emil Renner Berthing <kernel@...il.dk>,
	Conor Dooley <conor@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	linux-riscv@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/1] riscv: dts: starfive: jh7110-pine64-star64: enable usb0 host function

Enable host mode JH7110 on-chip USB for Pine64 Star64 by setting host mode
and connect vbus pinctrl.

This functionality depends on setting the USB over-current register to disable at bootloader phase, for example U-Boot:
https://patchwork.ozlabs.org/project/uboot/patch/20241012031328.4268-6-minda.chen@starfivetech.com/

If the over-current register is not prepared for us then the result is no
change in functional outcome with this patch applied; there is an error
visible to the user and this usb configuration fails (same as it is now).

Changes since v1:
 - Rebase on linux-next/master
 - use tabs for code indent

E Shattow (1):
  riscv: dts: starfive: jh7110-pine64-star64: enable usb0 host function

 .../boot/dts/starfive/jh7110-pine64-star64.dts | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

-- 
2.45.2