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ARM: mxs: Add support for the eukrea-cpuimx28.

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The following devices/functionalities were tested:
 * Main UART.
 * Ethernet0.
 * Ethernet1.
 * SD.
 * USB host.
 * USB otg.
 * Display(and its backlight).
 * Touchscreen.
 * Audio.
 * nand.
 * i2c and the pcf8563 device.
 * The gpio buttons.
 * The gpio leds.
 * Watchdog

Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Denis Carikli <denis@eukrea.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Eric Bénard 2013-12-05 14:28:06 +01:00 committed by Shawn Guo
parent bb89b8d2aa
commit 9a4cc05653
5 changed files with 456 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/boot/dts/Makefile
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@ -186,6 +186,8 @@ dtb-$(CONFIG_ARCH_MXS) += imx23-evk.dtb \
imx28-cfa10057.dtb \
imx28-cfa10058.dtb \
imx28-duckbill.dtb \
imx28-eukrea-mbmx283lc.dtb \
imx28-eukrea-mbmx287lc.dtb \
imx28-evk.dtb \
imx28-m28cu3.dtb \
imx28-m28evk.dtb \

71
arch/arm/boot/dts/imx28-eukrea-mbmx283lc.dts Normal file
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@ -0,0 +1,71 @@
/*
* Copyright 2013 Eukréa Electromatique <eric@eukrea.com>
* Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/*
* Module contains : i.MX282 + 64MB DDR2 + NAND + Ethernet PHY + RTC
*/
/dts-v1/;
#include "imx28-eukrea-mbmx28lc.dtsi"
/ {
model = "Eukrea Electromatique MBMX283LC";
compatible = "eukrea,mbmx283lc", "eukrea,mbmx28lc", "fsl,imx28";
memory {
reg = <0x40000000 0x04000000>;
};
};
&gpmi {
pinctrl-names = "default";
pinctrl-0 = <&gpmi_pins_a>;
status = "okay";
};
&i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins_a>;
status = "okay";
pcf8563: rtc@51 {
compatible = "nxp,pcf8563";
reg = <0x51>;
};
};
&mac0 {
phy-mode = "rmii";
pinctrl-names = "default";
pinctrl-0 = <&mac0_pins_a>;
phy-reset-gpios = <&gpio4 13 GPIO_ACTIVE_LOW>;
status = "okay";
};
&pinctrl{
pinctrl-names = "default";
pinctrl-0 = <&hog_pins_cpuimx283>;
hog_pins_cpuimx283: hog-cpuimx283@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_ENET0_RX_CLK__GPIO_4_13
MX28_PAD_ENET0_TX_CLK__GPIO_4_5
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_ENABLE>;
};
};

50
arch/arm/boot/dts/imx28-eukrea-mbmx287lc.dts Normal file
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@ -0,0 +1,50 @@
/*
* Copyright 2013 Eukréa Electromatique <eric@eukrea.com>
* Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/*
* Module contains : i.MX287 + 128MB DDR2 + NAND + 2 x Ethernet PHY + RTC
*/
#include "imx28-eukrea-mbmx283lc.dts"
/ {
model = "Eukrea Electromatique MBMX287LC";
compatible = "eukrea,mbmx287lc", "eukrea,mbmx283lc", "eukrea,mbmx28lc", "fsl,imx28";
memory {
reg = <0x40000000 0x08000000>;
};
};
&mac1 {
phy-mode = "rmii";
pinctrl-names = "default";
pinctrl-0 = <&mac1_pins_a>;
phy-reset-gpios = <&gpio3 27 GPIO_ACTIVE_HIGH>;
status = "okay";
};
&pinctrl {
pinctrl-names = "default";
pinctrl-0 = <&hog_pins_cpuimx283 &hog_pins_cpuimx287>;
hog_pins_cpuimx287: hog-cpuimx287@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_SPDIF__GPIO_3_27
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_ENABLE>;
};
};

326
arch/arm/boot/dts/imx28-eukrea-mbmx28lc.dtsi Normal file
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@ -0,0 +1,326 @@
/*
* Copyright 2013 Eukréa Electromatique <eric@eukrea.com>
* Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
#include "imx28.dtsi"
/ {
model = "Eukrea Electromatique MBMX28LC";
compatible = "eukrea,mbmx28lc", "fsl,imx28";
backlight {
compatible = "pwm-backlight";
pwms = <&pwm 4 1000000>;
brightness-levels = <0 25 50 75 100 125 150 175 200 225 255>;
default-brightness-level = <10>;
};
button-sw3 {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&gpio_button_sw3_pins_mbmx28lc>;
sw3 {
label = "SW3";
gpios = <&gpio1 21 GPIO_ACTIVE_LOW>;
linux,code = <BTN_MISC>;
gpio-key,wakeup;
};
};
button-sw4 {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&gpio_button_sw4_pins_mbmx28lc>;
sw4 {
label = "SW4";
gpios = <&gpio1 20 GPIO_ACTIVE_LOW>;
linux,code = <BTN_MISC>;
gpio-key,wakeup;
};
};
led-d6 {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&led_d6_pins_mbmx28lc>;
led1 {
label = "d6";
gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
linux,default-trigger = "heartbeat";
};
};
led-d7 {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&led_d7_pins_mbmx28lc>;
led1 {
label = "d7";
gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;
linux,default-trigger = "default-on";
};
};
regulators {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <0>;
reg_3p3v: regulator@0 {
compatible = "regulator-fixed";
regulator-name = "3P3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
reg_lcd_3v3: regulator@1 {
compatible = "regulator-fixed";
pinctrl-names = "default";
pinctrl-0 = <&reg_lcd_3v3_pins_mbmx28lc>;
regulator-name = "lcd-3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio3 30 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
reg_usb0_vbus: regulator@2 {
compatible = "regulator-fixed";
pinctrl-names = "default";
pinctrl-0 = <&reg_usb0_vbus_pins_mbmx28lc>;
regulator-name = "usb0_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio1 18 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
reg_usb1_vbus: regulator@3 {
compatible = "regulator-fixed";
pinctrl-names = "default";
pinctrl-0 = <&reg_usb1_vbus_pins_mbmx28lc>;
regulator-name = "usb1_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio1 19 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
};
sound {
compatible = "fsl,imx28-mbmx28lc-sgtl5000",
"fsl,mxs-audio-sgtl5000";
model = "imx28-mbmx28lc-sgtl5000";
saif-controllers = <&saif0 &saif1>;
audio-codec = <&sgtl5000>;
};
};
&duart {
pinctrl-names = "default";
pinctrl-0 = <&duart_4pins_a>;
status = "okay";
};
&i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins_a>;
status = "okay";
sgtl5000: codec@0a {
compatible = "fsl,sgtl5000";
reg = <0x0a>;
VDDA-supply = <&reg_3p3v>;
VDDIO-supply = <&reg_3p3v>;
clocks = <&saif0>;
};
};
&lcdif {
pinctrl-names = "default";
pinctrl-0 = <&lcdif_18bit_pins_a &lcdif_pins_mbmx28lc>;
lcd-supply = <&reg_lcd_3v3>;
display = <&display0>;
status = "okay";
display0: display0 {
model = "43WVF1G-0";
bits-per-pixel = <16>;
bus-width = <18>;
display-timings {
native-mode = <&timing0>;
timing0: timing0 {
clock-frequency = <9072000>;
hactive = <480>;
vactive = <272>;
hback-porch = <10>;
hfront-porch = <5>;
vback-porch = <8>;
vfront-porch = <8>;
hsync-len = <40>;
vsync-len = <10>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
};
};
};
&lradc {
fsl,lradc-touchscreen-wires = <4>;
status = "okay";
};
&pinctrl {
gpio_button_sw3_pins_mbmx28lc: gpio-button-sw3-mbmx28lc@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_LCD_D21__GPIO_1_21
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
gpio_button_sw4_pins_mbmx28lc: gpio-button-sw4-mbmx28lc@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_LCD_D20__GPIO_1_20
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
lcdif_pins_mbmx28lc: lcdif-mbmx28lc@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_LCD_VSYNC__LCD_VSYNC
MX28_PAD_LCD_HSYNC__LCD_HSYNC
MX28_PAD_LCD_DOTCLK__LCD_DOTCLK
MX28_PAD_LCD_ENABLE__LCD_ENABLE
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
led_d6_pins_mbmx28lc: led-d6-mbmx28lc@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_LCD_D23__GPIO_1_23
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
led_d7_pins_mbmx28lc: led-d7-mbmx28lc@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_LCD_D22__GPIO_1_22
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
reg_lcd_3v3_pins_mbmx28lc: lcd-3v3-mbmx28lc@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_LCD_RESET__GPIO_3_30
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
reg_usb0_vbus_pins_mbmx28lc: reg-usb0-vbus-mbmx28lc@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_LCD_D18__GPIO_1_18
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
reg_usb1_vbus_pins_mbmx28lc: reg-usb1-vbus-mbmx28lc@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_LCD_D19__GPIO_1_19
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
};
&pwm {
pinctrl-names = "default";
pinctrl-0 = <&pwm4_pins_a>;
status = "okay";
};
&saif0 {
pinctrl-names = "default";
pinctrl-0 = <&saif0_pins_a>;
status = "okay";
};
&saif1 {
pinctrl-names = "default";
pinctrl-0 = <&saif1_pins_a>;
fsl,saif-master = <&saif0>;
status = "okay";
};
&ssp0 {
compatible = "fsl,imx28-mmc";
pinctrl-names = "default";
pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_cd_cfg &mmc0_sck_cfg>;
bus-width = <4>;
cd-inverted;
status = "okay";
};
&usb0 {
disable-over-current;
vbus-supply = <&reg_usb0_vbus>;
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&usb0_id_pins_b>;
};
&usb1 {
vbus-supply = <&reg_usb1_vbus>;
status = "okay";
};
&usbphy0 {
status = "okay";
};
&usbphy1 {
status = "okay";
};

7
arch/arm/mach-mxs/mach-mxs.c
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@ -448,6 +448,11 @@ static int __init mxs_restart_init(void)
return 0;
}
static void __init eukrea_mbmx283lc_init(void)
{
mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0);
}
static void __init mxs_machine_init(void)
{
struct device_node *root;
@ -486,6 +491,8 @@ static void __init mxs_machine_init(void)
apx4devkit_init();
else if (of_machine_is_compatible("crystalfontz,cfa10036"))
crystalfontz_init();
else if (of_machine_is_compatible("eukrea,mbmx283lc"))
eukrea_mbmx283lc_init();
else if (of_machine_is_compatible("i2se,duckbill"))
duckbill_init();
else if (of_machine_is_compatible("msr,m28cu3"))