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Message-ID: <20201222184248.1d79c2a3@jawa>
Date: Tue, 22 Dec 2020 18:42:48 +0100
From: Lukasz Majewski <lukma@...x.de>
To: Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
Fabio Estevam <festevam@...il.com>
Cc: Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
NXP Linux Team <linux-imx@....com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] ARM: dts: imx28: Add DTS description of imx28 based
XEA board
Hi Shawn,
> Dear Community,
>
> > This patch adds DTS definition of the imx278 based XEA board.
> >
> > Signed-off-by: Lukasz Majewski <lukma@...x.de>
> > ---
> > arch/arm/boot/dts/Makefile | 3 +-
> > arch/arm/boot/dts/imx28-lwe.dtsi | 185
> > +++++++++++++++++++++++++++++++ arch/arm/boot/dts/imx28-xea.dts |
> > 99 +++++++++++++++++ 3 files changed, 286 insertions(+), 1
> > deletion(-) create mode 100644 arch/arm/boot/dts/imx28-lwe.dtsi
> > create mode 100644 arch/arm/boot/dts/imx28-xea.dts
> >
> > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> > index 4572db3fa5ae..c7c95ddc648b 100644
> > --- a/arch/arm/boot/dts/Makefile
> > +++ b/arch/arm/boot/dts/Makefile
> > @@ -702,7 +702,8 @@ dtb-$(CONFIG_ARCH_MXS) += \
> > imx28-m28evk.dtb \
> > imx28-sps1.dtb \
> > imx28-ts4600.dtb \
> > - imx28-tx28.dtb
> > + imx28-tx28.dtb \
> > + imx28-xea.dtb
> > dtb-$(CONFIG_ARCH_NOMADIK) += \
> > 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..cb2eb4377d9c
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/imx28-lwe.dtsi
> > @@ -0,0 +1,185 @@
> > +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> > +/*
> > + * Copyright 2020
> > + * Lukasz Majewski, DENX Software Engineering, lukma@...x.de
> > + */
> > +
> > +/dts-v1/;
> > +#include "imx28.dtsi"
> > +
> > +/ {
> > + compatible = "fsl,imx28";
> > +
> > + aliases {
> > + spi2 = &ssp3;
> > + };
> > +
> > + chosen {
> > + bootargs = "root=/dev/mmcblk0p2 rootfstype=ext4 ro
> > rootwait console=ttyAMA0,115200 panic=1";
> > + };
> > +
> > + memory {
> > + reg = <0x40000000 0x08000000>;
> > + };
> > +
> > + regulators {
> > + compatible = "simple-bus";
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + reg_3v3: regulator@0 {
> > + compatible = "regulator-fixed";
> > + reg = <0>;
> > + regulator-name = "3V3";
> > + regulator-min-microvolt = <3300000>;
> > + regulator-max-microvolt = <3300000>;
> > + regulator-always-on;
> > + };
> > +
> > + reg_usb_5v: regulator@1 {
> > + compatible = "regulator-fixed";
> > + reg = <1>;
> > + regulator-name = "usb_vbus";
> > + regulator-min-microvolt = <5000000>;
> > + regulator-max-microvolt = <5000000>;
> > + enable-active-high;
> > + };
> > +
> > + reg_fec_3v3: regulator@2 {
> > + compatible = "regulator-fixed";
> > + reg = <2>;
> > + regulator-name = "fec-phy";
> > + regulator-min-microvolt = <3300000>;
> > + regulator-max-microvolt = <3300000>;
> > + enable-active-high;
> > + regulator-boot-on;
> > + };
> > + };
> > +};
> > +
> > +&duart {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&duart_pins_a>;
> > + status = "okay";
> > +};
> > +
> > +&i2c0 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&i2c0_pins_a>;
> > + status = "okay";
> > +};
> > +
> > +&saif0 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&saif0_pins_a>;
> > + #sound-dai-cells = <0>;
> > + assigned-clocks = <&clks 53>;
> > + assigned-clock-rates = <12000000>;
> > + status = "okay";
> > +};
> > +
> > +&saif1 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&saif1_pins_a>;
> > + fsl,saif-master = <&saif0>;
> > + #sound-dai-cells = <0>;
> > + status = "okay";
> > +};
> > +
> > +&spi3_pins_a {
> > + fsl,pinmux-ids = <
> > + 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 = "fsl,imx28-spi";
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&spi3_pins_a>;
> > + status = "okay";
> > +
> > + flash0: s25fl256s0@0 {
> > + compatible = "s25fl256s1", "jedec,spi-nor";
> > + spi-max-frequency = <40000000>;
> > + reg = <0>;
> > +
> > + partitions {
> > + compatible = "fixed-partitions";
> > + #address-cells = <1>;
> > + #size-cells = <1>;
> > +
> > + partition@0 {
> > + label = "u-boot";
> > + reg = <0 0x80000>;
> > + read-only;
> > + };
> > +
> > + partition@...00 {
> > + label = "env0";
> > + reg = <0x80000 0x10000>;
> > + };
> > +
> > + partition@...00 {
> > + label = "env1";
> > + reg = <0x90000 0x10000>;
> > + };
> > +
> > + partition@...000 {
> > + label = "kernel";
> > + reg = <0x100000 0x400000>;
> > + };
> > +
> > + partition@...000 {
> > + label = "swupdate";
> > + reg = <0x500000 0x800000>;
> > + };
> > + };
> > + };
> > +};
> > +
> > +&ssp2 {
> > + compatible = "fsl,imx28-spi";
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&spi2_pins_a>;
> > + status = "okay";
> > +};
> > +
> > +&ssp0 {
> > + compatible = "fsl,imx28-mmc";
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&mmc0_8bit_pins_a>;
> > + bus-width = <8>;
> > + vmmc-supply = <®_3v3>;
> > + non-removable;
> > + status = "okay";
> > +};
> > +
> > +&usb0 {
> > + vbus-supply = <®_usb_5v>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&usb0_pins_b>, <&usb0_id_pins_a>;
> > + dr_mode = "host";
> > + status = "okay";
> > +};
> > +
> > +&usbphy0 {
> > + status = "okay";
> > +};
> > +
> > +&usb1 {
> > + vbus-supply = <®_usb_5v>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&usb1_pins_b>;
> > + dr_mode = "host";
> > + status = "okay";
> > +};
> > +
> > +&usbphy1 {
> > + status = "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..672080485b78
> > --- /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 2020
> > + * Lukasz Majewski, DENX Software Engineering, lukma@...x.de
> > + */
> > +
> > +/dts-v1/;
> > +#include "imx28-lwe.dtsi"
> > +
> > +/ {
> > + model = "XEA";
> > +};
> > +
> > +&can0 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&can1_pins_a>;
> > + status = "okay";
> > +};
> > +
> > +&i2c1 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&i2c1_pins_b>;
> > + status = "okay";
> > +};
> > +
> > +&pinctrl {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&hog_pins_a &hog_pins_tiva>;
> > +
> > + hog_pins_a: hog@0 {
> > + reg = <0>;
> > + fsl,pinmux-ids = <
> > + 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 = <MXS_DRIVE_4mA>;
> > + fsl,voltage = <MXS_VOLTAGE_HIGH>;
> > + fsl,pull-up = <MXS_PULL_DISABLE>;
> > + };
> > +
> > + hog_pins_tiva: hog@1 {
> > + reg = <1>;
> > + fsl,pinmux-ids = <
> > + MX28_PAD_GPMI_RDY3__GPIO_0_23
> > + MX28_PAD_GPMI_WRN__GPIO_0_25
> > + >;
> > + fsl,voltage = <MXS_VOLTAGE_HIGH>;
> > + fsl,pull-up = <MXS_PULL_DISABLE>;
> > + };
> > +
> > + hog_pins_coding: hog@2 {
> > + reg = <2>;
> > + fsl,pinmux-ids = <
> > + 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 = <MXS_VOLTAGE_HIGH>;
> > + fsl,pull-up = <MXS_PULL_DISABLE>;
> > + };
> > +};
> > +
> > +®_fec_3v3 {
> > + gpio = <&gpio0 0 0>;
> > +};
> > +
> > +®_usb_5v {
> > + gpio = <&gpio0 2 0>;
> > +};
> > +
> > +&spi2_pins_a {
> > + fsl,pinmux-ids = <
> > + 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.
Gentle ping on this patch. Are there any comments regarding it?
>
>
> 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@...x.de
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@...x.de
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