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Message-ID: <20210507121756.0c82c958@jawa>
Date: Fri, 7 May 2021 12:17:56 +0200
From: Lukasz Majewski <lukma@...x.de>
To: Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
Arnd Bergmann <arnd@...db.de>,
Fabio Estevam <festevam@...il.com>
Cc: devicetree@...r.kernel.org, Olof Johansson <olof@...om.net>,
soc@...nel.org, Sascha Hauer <s.hauer@...gutronix.de>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
NXP Linux Team <linux-imx@....com>,
Lukasz Majewski <l.majewski@...ess.pl>
Subject: Re: [PATCH 2/2] ARM: dts: imx28: Add DTS description of imx28 based
XEA board
On Mon, 26 Apr 2021 14:16:05 +0200
Lukasz Majewski <lukma@...x.de> wrote:
> This patch adds DTS definition of the imx278 based XEA board.
>
> Signed-off-by: Lukasz Majewski <lukma@...x.de>
>
> ---
> 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
>
> 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-$(CONFIG_ARCH_MXS) += \
> imx28-m28evk.dtb \
> imx28-sps1.dtb \
> imx28-ts4600.dtb \
> - imx28-tx28.dtb
> + imx28-tx28.dtb \
> + imx28-xea.dtb
> dtb-$(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..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@...x.de
> + */
> +
> +/dts-v1/;
> +#include "imx28.dtsi"
> +
> +/ {
> + aliases {
> + spi2 = &ssp3;
> + };
> +
> + chosen {
> + bootargs = "root=/dev/mmcblk0p2 rootfstype=ext4 ro
> rootwait console=ttyAMA0,115200 panic=1";
> + };
> +
> + memory@...0000000 {
> + reg = <0x40000000 0x08000000>;
> + };
> +
> + reg_3v3: regulator-reg-3v3 {
> + compatible = "regulator-fixed";
> + regulator-name = "3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + reg_usb_5v: regulator-reg-usb-5v {
> + compatible = "regulator-fixed";
> + regulator-name = "usb_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + enable-active-high;
> + };
> +
> + reg_fec_3v3: regulator-reg-fec-3v3 {
> + compatible = "regulator-fixed";
> + 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";
> +
> + flash@0 {
> + compatible = "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..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@...x.de
> + */
> +
> +/dts-v1/;
> +#include "imx28-lwe.dtsi"
> +
> +/ {
> + compatible = "lwn,imx28-xea", "fsl,imx28";
> +};
> +
> +&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.
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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