linux-kernel - Re: [PATCH v1 3/3] ARM: dts: add Van der Laan LANMCU board

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Date:   Thu, 15 Oct 2020 11:02:45 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Marco Felsch <m.felsch@...gutronix.de>
Cc:     Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
        Robin van der Gracht <robin@...tonic.nl>,
        linux-kernel@...r.kernel.org, NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        David Jander <david@...tonic.nl>,
        Fabio Estevam <festevam@...il.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v1 3/3] ARM: dts: add Van der Laan LANMCU board

Hi Marco,

thank you for review!

On Wed, Oct 14, 2020 at 12:05:01PM +0200, Marco Felsch wrote:
> Hi Oleksij,
> 
> pls can you send a patch adding this board to:
> Documentation/devicetree/bindings/arm/fsl.yaml
> 
> infront of this patch?

This is patch 3/3 and fsl.yaml 2/3. Do I'm missing some thing?

> On 20-10-14 10:53, Oleksij Rempel wrote:
> > Van der Laan LANMCU is a module for the food storage rooms to control
> > proper gas composition.
> > 
> > Co-Developed-by: Robin van der Gracht <robin@...tonic.nl>
> > Signed-off-by: Robin van der Gracht <robin@...tonic.nl>
> > Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
> > ---
> >  arch/arm/boot/dts/Makefile          |   1 +
> >  arch/arm/boot/dts/imx6dl-lanmcu.dts | 468 ++++++++++++++++++++++++++++
> >  2 files changed, 469 insertions(+)
> >  create mode 100644 arch/arm/boot/dts/imx6dl-lanmcu.dts
> > 
> > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> > index 2289a28c0ff6..dc2543a7b7e9 100644
> > --- a/arch/arm/boot/dts/Makefile
> > +++ b/arch/arm/boot/dts/Makefile
> > @@ -447,6 +447,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
> >  	imx6dl-icore.dtb \
> >  	imx6dl-icore-mipi.dtb \
> >  	imx6dl-icore-rqs.dtb \
> > +	imx6dl-lanmcu.dtb \
> >  	imx6dl-mamoj.dtb \
> >  	imx6dl-nit6xlite.dtb \
> >  	imx6dl-nitrogen6x.dtb \
> > diff --git a/arch/arm/boot/dts/imx6dl-lanmcu.dts b/arch/arm/boot/dts/imx6dl-lanmcu.dts
> > new file mode 100644
> > index 000000000000..60336c972286
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/imx6dl-lanmcu.dts
> > @@ -0,0 +1,468 @@
> > +// SPDX-License-Identifier: GPL-2.0-or-later
> > +/*
> > + * Copyright (c) 2019 Protonic Holland
> > + * Copyright (c) 2020 Oleksij Rempel <kernel@...gutronix.de>, Pengutronix
> > + */
> > +
> > +/dts-v1/;
> > +#include <dt-bindings/gpio/gpio.h>
> > +#include <dt-bindings/leds/common.h>
> > +#include "imx6dl.dtsi"
> > +
> > +/ {
> 
> ...
> 
> > +&fec {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&pinctrl_enet>;
> > +	phy-mode = "rmii";
> > +	clocks = <&clks IMX6QDL_CLK_ENET>,
> > +		 <&clks IMX6QDL_CLK_ENET>,
> > +		 <&clock_ksz8081>;
> > +	clock-names = "ipg", "ahb", "ptp";
> > +	status = "okay";
> > +
> > +	mdio {
> > +		#address-cells = <1>;
> > +		#size-cells = <0>;
> > +
> > +		/* Microchip KSZ8081RNA PHY */
> > +		rgmii_phy: ethernet-phy@0 {
> 
> Do you need this phandle here?

Fixed by adding phy-handle.

> > +			reg = <0>;
> > +			interrupts-extended = <&gpio5 23 IRQ_TYPE_LEVEL_LOW>;
> > +			reset-gpios = <&gpio5 22 GPIO_ACTIVE_LOW>;
> > +			reset-assert-us = <10000>;
> > +			reset-deassert-us = <300>;
> > +		};
> > +	};
> > +};
> 
> ...
> 
> > +&i2c3 {
> > +	clock-frequency = <100000>;
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&pinctrl_i2c3>;
> > +	status = "okay";
> > +
> > +	edt-ft5406@38 {
> 
> Please use generic names like: touchscreen@38 or touchcontroller@38.

OK, i'll use "touchscreen@38".
touchcontroller@ this variant was never used in the mainline kernel.

> > +		compatible = "edt,edt-ft5406";
> > +		pinctrl-names = "default";
> > +		pinctrl-0 = <&pinctrl_ts_edt>;
> > +		reg = <0x38>;
> 
> reg should be 2nd entry.

done

> > +		interrupts-extended = <&gpio3 20 IRQ_TYPE_EDGE_FALLING>;
> > +
> > +		touchscreen-size-x = <1792>;
> > +		touchscreen-size-y = <1024>;
> > +
> > +		touchscreen-fuzz-x = <0>;
> > +		touchscreen-fuzz-y = <0>;
> > +
> > +		/* Touch screen calibration */
> > +		threshold = <50>;
> > +		gain = <5>;
> > +		offset = <10>;
> > +	};
> > +
> > +	rtc@51 {
> > +		compatible = "nxp,pcf8563";
> > +		reg = <0x51>;
> > +	};
> > +};
> 
> ...
> 
> > +&usdhc2 {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&pinctrl_usdhc2>;
> > +	no-1-8-v;
> > +	non-removable;
> > +	mmc-pwrseq = <&usdhc2_wifi_pwrseq>;
> > +	status = "okay";
> 
> status is always the last property of this list.

done

> > +	#address-cells = <1>;
> > +	#size-cells = <0>;
> > +
> > +	brcmf: bcrmf@1 {
> > +		reg = <1>;
> > +		compatible = "brcm,bcm4329-fmac";
> > +	};
> > +};
> 

Regards,
Oleksij
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