From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Marcel Ziswiler <marcel@ziswiler.com>
Cc: linux-arm-kernel@lists.infradead.org,
Marcel Ziswiler <marcel.ziswiler@toradex.com>,
Alex Marginean <alexandru.marginean@nxp.com>,
Alexander Stein <alexander.stein@ew.tq-group.com>,
Arnd Bergmann <arnd@arndb.de>,
Dong Aisheng <aisheng.dong@nxp.com>,
Fabio Estevam <festevam@gmail.com>,
Frank Rowand <frowand.list@gmail.com>,
NXP Linux Team <linux-imx@nxp.com>,
Olof Johansson <olof@lixom.net>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Reinhold Mueller <reinhold.mueller@emtrion.com>,
Rob Herring <robh+dt@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Shawn Guo <shawnguo@kernel.org>,
Tim Harvey <tharvey@gateworks.com>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/3] arm64: dts: freescale: add initial support for verdin imx8m plus
Date: Fri, 25 Mar 2022 01:06:36 +0200 [thread overview]
Message-ID: <Yjz5fBwxhr0aBNsU@pendragon.ideasonboard.com> (raw)
In-Reply-To: <20220323143600.170778-4-marcel@ziswiler.com>
Hi Marcel,
A couple more comments.
On Wed, Mar 23, 2022 at 03:36:00PM +0100, Marcel Ziswiler wrote:
> From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
>
> This patch adds the device tree to support Toradex Verdin iMX8M Plus [1]
> a computer on module which can be used on different carrier boards.
>
> The module consists of an NXP i.MX 8M Plus family SoC (either i.MX 8M
> Plus Quad or 8M Plus QuadLite), a PCA9450C PMIC, a Gigabit Ethernet PHY,
> 1, 2, 4 or 8 GB of LPDDR4 RAM, an eMMC, a TLA2024 ADC, an I2C EEPROM, an
> RX8130 RTC, an optional I2C temperature sensor plus an optional
> Bluetooth/Wi-Fi module.
>
> Anything that is not self-contained on the module is disabled by
> default.
>
> The device tree for the Dahlia includes the module's device tree and
> enables the supported peripherals of the carrier board.
>
> The device tree for the Verdin Development Board includes the module's
> device tree as well as the Dahlia one as it is a superset and supports
> almost all peripherals available.
>
> So far there is no display functionality supported at all but basic
> console UART, USB host, eMMC and Ethernet functionality work fine.
>
> [1] https://www.toradex.com/computer-on-modules/verdin-arm-family/nxp-imx-8m-plus
>
> Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
>
> ---
>
> Changes in v2:
> - Fix capitatlisation of verdin in comments as reported by Laurent.
> - Add/modify todo comments as suggested by Laurent.
> - Add Laurent's reviewed- and tested-by tags.
>
> arch/arm64/boot/dts/freescale/Makefile | 4 +
> .../dts/freescale/imx8mp-verdin-dahlia.dtsi | 129 ++
> .../boot/dts/freescale/imx8mp-verdin-dev.dtsi | 44 +
> .../imx8mp-verdin-nonwifi-dahlia.dts | 18 +
> .../freescale/imx8mp-verdin-nonwifi-dev.dts | 18 +
> .../dts/freescale/imx8mp-verdin-nonwifi.dtsi | 54 +
> .../freescale/imx8mp-verdin-wifi-dahlia.dts | 18 +
> .../dts/freescale/imx8mp-verdin-wifi-dev.dts | 18 +
> .../dts/freescale/imx8mp-verdin-wifi.dtsi | 82 +
> .../boot/dts/freescale/imx8mp-verdin.dtsi | 1373 +++++++++++++++++
> 10 files changed, 1758 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-verdin-dahlia.dtsi
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-verdin-dev.dtsi
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-verdin-nonwifi-dahlia.dts
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-verdin-nonwifi-dev.dts
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-verdin-nonwifi.dtsi
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-verdin-wifi-dahlia.dts
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-verdin-wifi-dev.dts
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-verdin-wifi.dtsi
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
[snip]
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
> new file mode 100644
> index 000000000000..8cad1d865720
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
> @@ -0,0 +1,1373 @@
[snip]
> +/* Verdin I2C_2_DSI */
> +&i2c2 {
> + clock-frequency = <10000>;
Did you really mean 10kHz here, not 100kHz ?
> + pinctrl-names = "default", "gpio";
> + pinctrl-0 = <&pinctrl_i2c2>;
> + pinctrl-1 = <&pinctrl_i2c2_gpio>;
Shouldn't you also specify scl-gpios and sda-gpios, like for the other
I2C buses ?
> +
> + atmel_mxt_ts_mezzanine: touch-mezzanine@4a {
> + compatible = "atmel,maxtouch";
> + /* Verdin GPIO_3 (SODIMM 210) */
> + interrupt-parent = <&gpio1>;
> + interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
> + reg = <0x4a>;
> + /* Verdin GPIO_2 (SODIMM 208) */
> + reset-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
> + status = "disabled";
> + };
> +};
[snip]
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2022-03-24 23:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-23 14:35 [PATCH v2 0/3] arm64: prepare and add verdin imx8m plus support Marcel Ziswiler
2022-03-23 14:35 ` [PATCH v2 1/3] arm64: dts: imx8mp: add uart2 dma Marcel Ziswiler
2022-03-23 14:35 ` [PATCH v2 2/3] dt-bindings: arm: fsl: add toradex,verdin-imx8mp et al Marcel Ziswiler
2022-03-23 14:36 ` [PATCH v2 3/3] arm64: dts: freescale: add initial support for verdin imx8m plus Marcel Ziswiler
2022-03-24 23:06 ` Laurent Pinchart [this message]
2022-03-25 8:17 ` Marcel Ziswiler
2022-03-25 9:26 ` Laurent Pinchart
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