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Date:   Fri, 7 May 2021 12:17:56 +0200
From:   Lukasz Majewski <lukma@denx.de>
To:     Rob Herring <robh+dt@kernel.org>, Shawn Guo <shawnguo@kernel.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Fabio Estevam <festevam@gmail.com>
Cc:     devicetree@vger.kernel.org, Olof Johansson <olof@lixom.net>,
        soc@kernel.org, Sascha Hauer <s.hauer@pengutronix.de>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        NXP Linux Team <linux-imx@nxp.com>,
        Lukasz Majewski <l.majewski@majess.pl>
Subject: Re: [PATCH 2/2] ARM: dts: imx28: Add DTS description of imx28 based
 XEA board
Message-ID: <20210507121756.0c82c958@jawa>
In-Reply-To: <20210426121605.31651-1-lukma@denx.de>
References: <20210426121605.31651-1-lukma@denx.de>
Organization: denx.de
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On Mon, 26 Apr 2021 14:16:05 +0200
Lukasz Majewski <lukma@denx.de> wrote:

> This patch adds DTS definition of the imx278 based XEA board.
>=20
> Signed-off-by: Lukasz Majewski <lukma@denx.de>
>=20
> ---
> Changes for v2:
> - Fix 'memory' node and remove regulators subnode
> - Rename 'flash0: s25fl256s0@0' to flash@0
> - Add proper compatible for XEA board
> ---
>  arch/arm/boot/dts/Makefile       |   3 +-
>  arch/arm/boot/dts/imx28-lwe.dtsi | 174
> +++++++++++++++++++++++++++++++ arch/arm/boot/dts/imx28-xea.dts  |
> 99 ++++++++++++++++++ 3 files changed, 275 insertions(+), 1
> deletion(-) create mode 100644 arch/arm/boot/dts/imx28-lwe.dtsi
>  create mode 100644 arch/arm/boot/dts/imx28-xea.dts
>=20
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 8e5d4ab4e75e..d2398a090e4d 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -721,7 +721,8 @@ dtb-$(CONFIG_ARCH_MXS) +=3D \
>  	imx28-m28evk.dtb \
>  	imx28-sps1.dtb \
>  	imx28-ts4600.dtb \
> -	imx28-tx28.dtb
> +	imx28-tx28.dtb \
> +	imx28-xea.dtb
>  dtb-$(CONFIG_ARCH_NOMADIK) +=3D \
>  	ste-nomadik-s8815.dtb \
>  	ste-nomadik-nhk15.dtb
> diff --git a/arch/arm/boot/dts/imx28-lwe.dtsi
> b/arch/arm/boot/dts/imx28-lwe.dtsi new file mode 100644
> index 000000000000..2d14a8ae91f8
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx28-lwe.dtsi
> @@ -0,0 +1,174 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Copyright 2021
> + * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
> + */
> +
> +/dts-v1/;
> +#include "imx28.dtsi"
> +
> +/ {
> +	aliases {
> +		spi2 =3D &ssp3;
> +	};
> +
> +	chosen {
> +		bootargs =3D "root=3D/dev/mmcblk0p2 rootfstype=3Dext4 ro
> rootwait console=3DttyAMA0,115200 panic=3D1";
> +	};
> +
> +	memory@0x40000000 {
> +		reg =3D <0x40000000 0x08000000>;
> +	};
> +
> +	reg_3v3: regulator-reg-3v3 {
> +		compatible =3D "regulator-fixed";
> +		regulator-name =3D "3V3";
> +		regulator-min-microvolt =3D <3300000>;
> +		regulator-max-microvolt =3D <3300000>;
> +		regulator-always-on;
> +	};
> +
> +	reg_usb_5v: regulator-reg-usb-5v {
> +		compatible =3D "regulator-fixed";
> +		regulator-name =3D "usb_vbus";
> +		regulator-min-microvolt =3D <5000000>;
> +		regulator-max-microvolt =3D <5000000>;
> +		enable-active-high;
> +	};
> +
> +	reg_fec_3v3: regulator-reg-fec-3v3 {
> +		compatible =3D "regulator-fixed";
> +		regulator-name =3D "fec-phy";
> +		regulator-min-microvolt =3D <3300000>;
> +		regulator-max-microvolt =3D <3300000>;
> +		enable-active-high;
> +		regulator-boot-on;
> +	};
> +};
> +
> +&duart {
> +	pinctrl-names =3D "default";
> +	pinctrl-0 =3D <&duart_pins_a>;
> +	status =3D "okay";
> +};
> +
> +&i2c0 {
> +	pinctrl-names =3D "default";
> +	pinctrl-0 =3D <&i2c0_pins_a>;
> +	status =3D "okay";
> +};
> +
> +&saif0 {
> +	pinctrl-names =3D "default";
> +	pinctrl-0 =3D <&saif0_pins_a>;
> +	#sound-dai-cells =3D <0>;
> +	assigned-clocks =3D <&clks 53>;
> +	assigned-clock-rates =3D <12000000>;
> +	status =3D "okay";
> +};
> +
> +&saif1 {
> +	pinctrl-names =3D "default";
> +	pinctrl-0 =3D <&saif1_pins_a>;
> +	fsl,saif-master =3D <&saif0>;
> +	#sound-dai-cells =3D <0>;
> +	status =3D "okay";
> +};
> +
> +&spi3_pins_a {
> +	fsl,pinmux-ids =3D <
> +		MX28_PAD_AUART2_RX__SSP3_D4
> +		MX28_PAD_AUART2_TX__SSP3_D5
> +		MX28_PAD_SSP3_SCK__SSP3_SCK
> +		MX28_PAD_SSP3_MOSI__SSP3_CMD
> +		MX28_PAD_SSP3_MISO__SSP3_D0
> +		MX28_PAD_SSP3_SS0__SSP3_D3
> +		MX28_PAD_AUART2_TX__GPIO_3_9
> +	>;
> +};
> +
> +&ssp3 {
> +	compatible =3D "fsl,imx28-spi";
> +	pinctrl-names =3D "default";
> +	pinctrl-0 =3D <&spi3_pins_a>;
> +	status =3D "okay";
> +
> +	flash@0 {
> +		compatible =3D "jedec,spi-nor";
> +		spi-max-frequency =3D <40000000>;
> +		reg =3D <0>;
> +
> +		partitions {
> +			compatible =3D "fixed-partitions";
> +			#address-cells =3D <1>;
> +			#size-cells =3D <1>;
> +
> +			partition@0 {
> +				label =3D "u-boot";
> +				reg =3D <0 0x80000>;
> +				read-only;
> +			};
> +
> +			partition@80000 {
> +				label =3D "env0";
> +				reg =3D <0x80000 0x10000>;
> +			};
> +
> +			partition@90000 {
> +				label =3D "env1";
> +				reg =3D <0x90000 0x10000>;
> +			};
> +
> +			partition@100000 {
> +				label =3D "kernel";
> +				reg =3D <0x100000 0x400000>;
> +			};
> +
> +			partition@500000 {
> +				label =3D "swupdate";
> +				reg =3D <0x500000 0x800000>;
> +			};
> +		};
> +	};
> +};
> +
> +&ssp2 {
> +	compatible =3D "fsl,imx28-spi";
> +	pinctrl-names =3D "default";
> +	pinctrl-0 =3D <&spi2_pins_a>;
> +	status =3D "okay";
> +};
> +
> +&ssp0 {
> +	compatible =3D "fsl,imx28-mmc";
> +	pinctrl-names =3D "default";
> +	pinctrl-0 =3D <&mmc0_8bit_pins_a>;
> +	bus-width =3D <8>;
> +	vmmc-supply =3D <&reg_3v3>;
> +	non-removable;
> +	status =3D "okay";
> +};
> +
> +&usb0 {
> +	vbus-supply =3D <&reg_usb_5v>;
> +	pinctrl-names =3D "default";
> +	pinctrl-0 =3D <&usb0_pins_b>, <&usb0_id_pins_a>;
> +	dr_mode =3D "host";
> +	status =3D "okay";
> +};
> +
> +&usbphy0 {
> +	status =3D "okay";
> +};
> +
> +&usb1 {
> +	vbus-supply =3D <&reg_usb_5v>;
> +	pinctrl-names =3D "default";
> +	pinctrl-0 =3D <&usb1_pins_b>;
> +	dr_mode =3D "host";
> +	status =3D "okay";
> +};
> +
> +&usbphy1 {
> +	status =3D "okay";
> +};
> diff --git a/arch/arm/boot/dts/imx28-xea.dts
> b/arch/arm/boot/dts/imx28-xea.dts new file mode 100644
> index 000000000000..a400c108f66a
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx28-xea.dts
> @@ -0,0 +1,99 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Copyright 2021
> + * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
> + */
> +
> +/dts-v1/;
> +#include "imx28-lwe.dtsi"
> +
> +/ {
> +	compatible =3D "lwn,imx28-xea", "fsl,imx28";
> +};
> +
> +&can0 {
> +	pinctrl-names =3D "default";
> +	pinctrl-0 =3D <&can1_pins_a>;
> +	status =3D "okay";
> +};
> +
> +&i2c1 {
> +	pinctrl-names =3D "default";
> +	pinctrl-0 =3D <&i2c1_pins_b>;
> +	status =3D "okay";
> +};
> +
> +&pinctrl {
> +	pinctrl-names =3D "default";
> +	pinctrl-0 =3D <&hog_pins_a &hog_pins_tiva>;
> +
> +	hog_pins_a: hog@0 {
> +		reg =3D <0>;
> +		fsl,pinmux-ids =3D <
> +			MX28_PAD_GPMI_D00__GPIO_0_0
> +			MX28_PAD_GPMI_D02__GPIO_0_2
> +			MX28_PAD_GPMI_D05__GPIO_0_5
> +			MX28_PAD_GPMI_CE1N__GPIO_0_17
> +			MX28_PAD_GPMI_RDY0__GPIO_0_20
> +			MX28_PAD_GPMI_RDY1__GPIO_0_21
> +			MX28_PAD_GPMI_RDY2__GPIO_0_22
> +			MX28_PAD_GPMI_RDN__GPIO_0_24
> +			MX28_PAD_GPMI_CLE__GPIO_0_27
> +			MX28_PAD_LCD_VSYNC__GPIO_1_28
> +			MX28_PAD_SSP1_SCK__GPIO_2_12
> +			MX28_PAD_SSP1_CMD__GPIO_2_13
> +			MX28_PAD_SSP2_SS1__GPIO_2_20
> +			MX28_PAD_SSP2_SS2__GPIO_2_21
> +			MX28_PAD_LCD_D00__GPIO_1_0
> +			MX28_PAD_LCD_D01__GPIO_1_1
> +			MX28_PAD_LCD_D02__GPIO_1_2
> +			MX28_PAD_LCD_D03__GPIO_1_3
> +			MX28_PAD_LCD_D04__GPIO_1_4
> +			MX28_PAD_LCD_D05__GPIO_1_5
> +			MX28_PAD_LCD_D06__GPIO_1_6
> +		>;
> +		fsl,drive-strength =3D <MXS_DRIVE_4mA>;
> +		fsl,voltage =3D <MXS_VOLTAGE_HIGH>;
> +		fsl,pull-up =3D <MXS_PULL_DISABLE>;
> +	};
> +
> +	hog_pins_tiva: hog@1 {
> +		reg =3D <1>;
> +		fsl,pinmux-ids =3D <
> +			MX28_PAD_GPMI_RDY3__GPIO_0_23
> +			MX28_PAD_GPMI_WRN__GPIO_0_25
> +		>;
> +		fsl,voltage =3D <MXS_VOLTAGE_HIGH>;
> +		fsl,pull-up =3D <MXS_PULL_DISABLE>;
> +	};
> +
> +	hog_pins_coding: hog@2 {
> +		reg =3D <2>;
> +		fsl,pinmux-ids =3D <
> +			MX28_PAD_GPMI_D01__GPIO_0_1
> +			MX28_PAD_GPMI_D03__GPIO_0_3
> +			MX28_PAD_GPMI_D04__GPIO_0_4
> +			MX28_PAD_GPMI_D06__GPIO_0_6
> +			MX28_PAD_GPMI_D07__GPIO_0_7
> +		>;
> +		fsl,voltage =3D <MXS_VOLTAGE_HIGH>;
> +		fsl,pull-up =3D <MXS_PULL_DISABLE>;
> +	};
> +};
> +
> +&reg_fec_3v3 {
> +	gpio =3D <&gpio0 0 0>;
> +};
> +
> +&reg_usb_5v {
> +	gpio =3D <&gpio0 2 0>;
> +};
> +
> +&spi2_pins_a {
> +	fsl,pinmux-ids =3D <
> +		MX28_PAD_SSP2_SCK__SSP2_SCK
> +		MX28_PAD_SSP2_MOSI__SSP2_CMD
> +		MX28_PAD_SSP2_MISO__SSP2_D0
> +		MX28_PAD_SSP2_SS0__GPIO_2_19
> +	>;
> +};

Gentle ping on this patch.

Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de

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