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 1/2] dt-bindings: musb: mpfs: add ULPI external vbus support
Date: Fri, 31 May 2024 08:04:31 +0100 [thread overview]
Message-ID: <20240531-fountain-plating-1d3739422a26@wendy> (raw)
In-Reply-To: <20240531-citable-copier-188d32c108ff@wendy>
Add a property to allow configuring the musb controller on PolarFire SoC
to use an external vbus for ULPI PHYs.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
.../devicetree/bindings/usb/microchip,mpfs-musb.yaml | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml b/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml
index c5e9ce2e7bc2a..27b909de49922 100644
--- a/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml
+++ b/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml
@@ -34,6 +34,13 @@ properties:
clocks:
maxItems: 1
+ microchip,ext-vbus-drv:
+ description:
+ Some ULPI USB PHYs do not support an internal VBUS supply and driving
+ the CPEN pin requires the configuration of the UPLI_USE__EXTVBUS
+ bit in ULPI_BUSCONTROL.
+ $ref: /schemas/types.yaml#/definitions/flag
+
required:
- compatible
- reg
--
2.43.2
next prev parent 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 [PATCH v1 0/2] external ulpi vbus control Conor Dooley
2024-05-31 7:04 ` Conor Dooley [this message]
2024-06-01 15:52 ` [PATCH v1 1/2] dt-bindings: musb: mpfs: add ULPI external vbus support 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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