From: Rob Herring <robh@kernel.org>
To: Lucas Stach <dev@lynxeye.de>
Cc: linux-arm-kernel@lists.infradead.org,
Fabio Estevam <festevam@gmail.com>,
devicetree@vger.kernel.org, kernel@pengutronix.de,
NXP Linux Team <linux-imx@nxp.com>,
Shawn Guo <shawnguo@kernel.org>, Rob Herring <robh+dt@kernel.org>,
"Lukas F . Hartmann" <lukas@mntre.com>
Subject: Re: [PATCH v3 1/4] arm64: dts: imx8mq: add Nitrogen8 SoM
Date: Mon, 24 May 2021 17:59:31 -0500 [thread overview]
Message-ID: <20210524225931.GA1337645@robh.at.kernel.org> (raw)
In-Reply-To: <20210524124536.27854-1-dev@lynxeye.de>
On Mon, 24 May 2021 14:45:33 +0200, Lucas Stach wrote:
> This adds the description of the Nitrogen8 System on Module. The module
> is quite simple with only a few (almost) fixed regulators and a eMMC
> on-board.
>
> The eMMC is currently limited to 50MHz modes via the pinctrl, as the board
> has not wired up the data strobe line, which prevents HS400 mode from
> working. As both the controller and the eMMC support this mode, it is
> automatically selected when we allow the faster modes, leading to failing
> transfers. Until we have a proper solution to only disable HS400 mode,
> keep the eMMC at the slow bus modes.
>
> Signed-off-by: Lucas Stach <dev@lynxeye.de>
> ---
> v2:
> - remove 100/200MHz pinctrl states for usdhc1
> - rename i2c nodes
> ---
> .../devicetree/bindings/arm/fsl.yaml | 1 +
> .../dts/freescale/imx8mq-nitrogen-som.dtsi | 242 ++++++++++++++++++
> 2 files changed, 243 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mq-nitrogen-som.dtsi
>
Acked-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2021-05-24 22:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-24 12:45 [PATCH v3 1/4] arm64: dts: imx8mq: add Nitrogen8 SoM Lucas Stach
2021-05-24 12:45 ` [PATCH v3 2/4] dt-bindings: vendor-prefixes: add mntre Lucas Stach
2021-06-12 3:12 ` Shawn Guo
2021-05-24 12:45 ` [PATCH v3 3/4] dt-bindings: arm: fsl: add MNT Reform2 board Lucas Stach
2021-06-02 19:03 ` Rob Herring
2021-06-12 3:13 ` Shawn Guo
2021-05-24 12:45 ` [PATCH v3 4/4] arm64: dts: imx8mq: add support for MNT Reform2 Lucas Stach
2021-06-12 3:14 ` Shawn Guo
2021-06-12 9:57 ` Shawn Guo
2021-05-24 22:59 ` Rob Herring [this message]
2021-06-12 3:05 ` [PATCH v3 1/4] arm64: dts: imx8mq: add Nitrogen8 SoM Shawn Guo
2021-06-14 7:57 ` Lucas Stach
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