linux-kernel - Re: [PATCH 03/10] arm64: dts: imx: Add Engicam EDIMM2.2 Starter Kit

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Date:   Wed, 2 Dec 2020 19:26:10 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Jagan Teki <jagan@...rulasolutions.com>
Cc:     Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Li Yang <leoyang.li@....com>,
        Fabio Estevam <festevam@...il.com>,
        Matteo Lisi <matteo.lisi@...icam.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        NXP Linux Team <linux-imx@....com>,
        linux-amarula@...rulasolutions.com
Subject: Re: [PATCH 03/10] arm64: dts: imx: Add Engicam EDIMM2.2 Starter Kit

On Wed, Dec 02, 2020 at 05:42:34PM +0530, Jagan Teki wrote:
> Engicam EDIMM2.2 Starter Kit is an EDIMM 2.2 Form Factor Capacitive
> Evaluation Board.
> 
> Genaral features:
> - LCD 7" C.Touch
> - microSD slot
> - Ethernet 1Gb
> - Wifi/BT
> - 2x LVDS Full HD interfaces
> - 3x USB 2.0
> - 1x USB 3.0
> - HDMI Out
> - Mini PCIe
> - MIPI CSI
> - 2x CAN
> - Audio Out
> 
> SOM's like i.Core MX8M Mini needs to mount on top of this Evaluation
> board for creating complete i.Core MX8M Mini EDIMM2.2 Starter Kit.
> 
> Add support for it.
> 
> Signed-off-by: Matteo Lisi <matteo.lisi@...icam.com>
> Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
> ---
>  .../dts/freescale/imx8mm-engicam-common.dtsi  | 24 +++++++++++++++++++
>  .../freescale/imx8mm-engicam-edimm2.2.dtsi    |  7 ++++++
>  2 files changed, 31 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-engicam-common.dtsi
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-engicam-edimm2.2.dtsi
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-engicam-common.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-engicam-common.dtsi
> new file mode 100644
> index 000000000000..67c1a3fe26bc
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-engicam-common.dtsi
> @@ -0,0 +1,24 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2020 Engicam srl
> + * Copyright (c) 2020 Amarula Solutions(India)
> + */
> +
> +&uart2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart2>;
> +	status = "okay";
> +};
> +
> +/* SD */
> +&usdhc1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_usdhc1>, <&pinctrl_usdhc1_gpio>;
> +	cd-gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
> +	max-frequency = <50000000>;
> +	bus-width = <4>;
> +	no-1-8-v;
> +	pm-ignore-notify;
> +	keep-power-in-suspend;
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-engicam-edimm2.2.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-engicam-edimm2.2.dtsi
> new file mode 100644
> index 000000000000..294df07289a2
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-engicam-edimm2.2.dtsi
> @@ -0,0 +1,7 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2020 Engicam srl
> + * Copyright (c) 2020 Amarula Solutions(India)
> + */
> +
> +#include "imx8mm-engicam-common.dtsi"

A DTSI file only with UART and SD. You mentioned several features in the
commit msg but none of them are implemented here. There aren't even
CPUs... Maybe this is only a problem of your patch ordering but as of
now - this looks like bogus/empty DTSI which should not be in its own
commit.

Best regards,
Krzysztof