From: Sascha Hauer <s.hauer@pengutronix.de>
To: Rob Herring <robh@kernel.org>
Cc: linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Peter Chen <peter.chen@kernel.org>,
Peng Fan <peng.fan@oss.nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
devicetree@vger.kernel.org
Subject: Re: [PATCH 6/6] dt-bindings: usb: ci-hdrc-usb2: Add more phy tuning properties
Date: Thu, 13 Oct 2022 12:14:12 +0200 [thread overview]
Message-ID: <20221013101412.GI6702@pengutronix.de> (raw)
In-Reply-To: <20221012160806.GA2189350-robh@kernel.org>
On Wed, Oct 12, 2022 at 11:08:06AM -0500, Rob Herring wrote:
> On Tue, Oct 11, 2022 at 10:29:24AM +0200, Sascha Hauer wrote:
> > Following the example of samsung,picophy-dc-vol-level-adjust more
> > phy tuning properties are added for configuring the remaining bitfields
> > in the USBNC_n_PHY_CFG1 register.
>
> All these properties really doesn't scale. These properties should go
> in the phy node as they are properties or the phy. There's no rule that
> you can only read properties from the driver's device node.
I understand and agree.
On i.MX8M we currently use the usb-nop-xceiv. I guess it's not an option
to just add these properties there, so we'll need a phy node with a new
compatible like fsl,imx8mm-usbphy. The driver would basically just
register a usb-nop-xceiv and the node would be a container for the new
property. Does this sound sane?
Sascha
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next prev parent reply other threads:[~2022-10-13 10:14 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-11 8:29 [PATCH 0/6] usb: chipidea: Export more phy tuning parameters to device tree Sascha Hauer
2022-10-11 8:29 ` [PATCH 1/6] usb: chipidea: usbmisc_imx: Fix i.MX53 clock sel masks Sascha Hauer
2022-10-18 8:45 ` Xu Yang
2022-10-11 8:29 ` [PATCH 2/6] usb: chipidea: usbmisc_imx: Fix setting i.MX6SX wakeup source Sascha Hauer
2022-10-18 8:46 ` Xu Yang
2022-10-11 8:29 ` [PATCH 3/6] usb: chipidea: usbmisc_imx: Use GENMASK/FIELD_PREP for bitfields Sascha Hauer
2022-10-18 8:39 ` xu yang
2022-10-11 8:29 ` [PATCH 4/6] usb: chipidea: usbmisc_imx: Add prefix to register defines Sascha Hauer
2022-10-18 8:49 ` Xu Yang
2022-10-11 8:29 ` [PATCH 5/6] usb: chipidea: usbmisc_imx: Add device tree properties for i.MX7 phy tuning Sascha Hauer
2022-10-11 8:29 ` [PATCH 6/6] dt-bindings: usb: ci-hdrc-usb2: Add more phy tuning properties Sascha Hauer
2022-10-12 16:08 ` Rob Herring
2022-10-13 10:14 ` Sascha Hauer [this message]
2022-10-13 20:03 ` Rob Herring
2022-10-17 0:41 ` [PATCH 0/6] usb: chipidea: Export more phy tuning parameters to device tree Peter Chen
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