From: Conor Dooley <conor.dooley@microchip.com>
To: <linux-usb@vger.kernel.org>
Cc: <conor@kernel.org>, <conor.dooley@microchip.com>,
Daire McNamara <daire.mcnamara@microchip.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh@kernel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
Bin Liu <b-liu@ti.com>, <linux-riscv@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v1 0/2] external ulpi vbus control
Date: Fri, 31 May 2024 08:04:30 +0100 [thread overview]
Message-ID: <20240531-citable-copier-188d32c108ff@wendy> (raw)
A customer sent me a patch adding a dt property to enable external vbus
control as their phy didn't support it*. I was surprised to see that none
of the other musb drivers made any use of this, but there is handling
in the musb core for it - made me feel like I was missing something as
to why it was not used by other drivers.
I've vendor prefixed the property for now, but I figure there may well
be a bunch of other potential users since this isn't just an musb thing,
given that there's a snps,ulpi-ext-vbus-drv used by an xHCI IP.
This is my third attempt to send these patches. I cannot find them on
lore from either of my previous attempts, so I'm gonna treat this as
v1. I think must've tried to send it from my kernel.org account from
Microchip's corp network and that failed. Either way, apologies if this
is #3 you've got from me..
* they didn't want to be identified, but said it was okay to post.
CC: Conor Dooley <conor.dooley@microchip.com>
CC: Daire McNamara <daire.mcnamara@microchip.com>
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Rob Herring <robh@kernel.org>
CC: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
CC: Bin Liu <b-liu@ti.com>
CC: linux-riscv@lists.infradead.org
CC: linux-usb@vger.kernel.org
CC: devicetree@vger.kernel.org
CC: linux-kernel@vger.kernel.org
Conor Dooley (2):
dt-bindings: musb: mpfs: add ULPI external vbus support
usb: musb: mpfs: detect UPLI external vbus control requirement from DT
.../devicetree/bindings/usb/microchip,mpfs-musb.yaml | 7 +++++++
drivers/usb/musb/mpfs.c | 2 ++
2 files changed, 9 insertions(+)
--
2.43.2
next reply other threads:[~2024-05-31 7:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-31 7:04 Conor Dooley [this message]
2024-05-31 7:04 ` [PATCH v1 1/2] dt-bindings: musb: mpfs: add ULPI external vbus support Conor Dooley
2024-06-01 15:52 ` Krzysztof Kozlowski
2024-05-31 7:04 ` [PATCH v1 2/2] usb: musb: mpfs: detect UPLI external vbus control requirement from DT Conor Dooley
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