@@ -159,6 +159,7 @@ dtb-$(CONFIG_ARCH_MXS) += imx23-evk.dtb \
imx28-cfa10057.dtb \
imx28-cfa10058.dtb \
imx28-evk.dtb \
+ imx28-m28cu3.dtb \
imx28-m28evk.dtb \
imx28-sps1.dtb \
imx28-tx28.dtb
new file mode 100644
@@ -0,0 +1,266 @@
+/*
+ * Copyright (C) 2013 Marek Vasut <marex@denx.de>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/dts-v1/;
+#include "imx28.dtsi"
+
+/ {
+ model = "MSR M28CU3";
+ compatible = "msr,m28cu3", "fsl,imx28";
+
+ memory {
+ reg = <0x40000000 0x08000000>;
+ };
+
+ apb@80000000 {
+ apbh@80000000 {
+ gpmi-nand@8000c000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>;
+ status = "okay";
+
+ partition@0 {
+ label = "gpmi-nfc-0-boot";
+ reg = <0x00000000 0x01400000>;
+ read-only;
+ };
+
+ partition@1 {
+ label = "gpmi-nfc-general-use";
+ reg = <0x01400000 0x0ec00000>;
+ };
+ };
+
+ ssp0: ssp@80010000 {
+ compatible = "fsl,imx28-mmc";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_4bit_pins_a
+ &mmc0_cd_cfg
+ &mmc0_sck_cfg>;
+ bus-width = <4>;
+ vmmc-supply = <®_vddio_sd0>;
+ status = "okay";
+ };
+
+ ssp2: ssp@80014000 {
+ compatible = "fsl,imx28-mmc";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc2_4bit_pins_a
+ &mmc2_cd_cfg
+ &mmc2_sck_cfg>;
+ bus-width = <4>;
+ vmmc-supply = <®_vddio_sd1>;
+ status = "okay";
+ };
+
+ pinctrl@80018000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&hog_pins_a>;
+
+ hog_pins_a: hog@0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ MX28_PAD_SSP2_SS0__GPIO_2_19
+ MX28_PAD_PWM4__GPIO_3_29
+ MX28_PAD_AUART2_RX__GPIO_3_8
+ MX28_PAD_ENET0_RX_CLK__GPIO_4_13
+ >;
+ fsl,drive-strength = <MXS_DRIVE_4mA>;
+ fsl,voltage = <MXS_VOLTAGE_HIGH>;
+ fsl,pull-up = <MXS_PULL_DISABLE>;
+ };
+
+ lcdif_pins_m28: lcdif-m28@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_RESET__LCD_RESET
+ MX28_PAD_LCD_CS__LCD_ENABLE
+ MX28_PAD_AUART1_TX__GPIO_3_5
+ >;
+ fsl,drive-strength = <MXS_DRIVE_4mA>;
+ fsl,voltage = <MXS_VOLTAGE_HIGH>;
+ fsl,pull-up = <MXS_PULL_DISABLE>;
+ };
+
+ led_pins_gpio: leds-m28@0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ MX28_PAD_SSP3_MISO__GPIO_2_26
+ MX28_PAD_SSP3_SCK__GPIO_2_24
+ >;
+ fsl,drive-strength = <MXS_DRIVE_4mA>;
+ fsl,voltage = <MXS_VOLTAGE_HIGH>;
+ fsl,pull-up = <MXS_PULL_DISABLE>;
+ };
+ };
+
+ ocotp@8002c000 {
+ status = "okay";
+ };
+
+ lcdif@80030000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&lcdif_24bit_pins_a
+ &lcdif_pins_m28>;
+ display = <&display>;
+ reset-active-high;
+ status = "okay";
+
+ display: display0 {
+ bits-per-pixel = <32>;
+ bus-width = <24>;
+
+ display-timings {
+ native-mode = <&timing0>;
+ timing0: timing0 {
+ clock-frequency = <6410256>;
+ hactive = <320>;
+ vactive = <240>;
+ hback-porch = <38>;
+ hfront-porch = <20>;
+ vback-porch = <15>;
+ vfront-porch = <5>;
+ hsync-len = <30>;
+ vsync-len = <3>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <1>;
+ pixelclk-active = <1>;
+ };
+ };
+ };
+ };
+ };
+
+ apbx@80040000 {
+ duart: serial@80074000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&duart_pins_b>;
+ status = "okay";
+ };
+
+ usbphy1: usbphy@8007e000 {
+ status = "okay";
+ };
+
+ auart0: serial@8006a000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&auart0_2pins_a>;
+ status = "okay";
+ };
+
+ auart3: serial@80070000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&auart3_2pins_b>;
+ status = "okay";
+ };
+
+ pwm: pwm@80064000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm3_pins_a>;
+ status = "okay";
+ };
+ };
+ };
+
+ ahb@80080000 {
+ usb1: usb@80090000 {
+ vbus-supply = <®_usb1_vbus>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usbphy1_pins_a>;
+ disable-over-current;
+ status = "okay";
+ };
+
+ mac0: ethernet@800f0000 {
+ phy-mode = "rmii";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mac0_pins_a>;
+ phy-reset-gpios = <&gpio4 13 0>;
+ phy-reset-duration = <100>;
+ status = "okay";
+ };
+
+ mac1: ethernet@800f4000 {
+ phy-mode = "rmii";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mac1_pins_a>;
+ status = "okay";
+ };
+ };
+
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm 3 5000000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <6>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&led_pins_gpio>;
+
+ user1 {
+ label = "sd0-led";
+ gpios = <&gpio2 26 0>;
+ linux,default-trigger = "mmc0";
+ };
+
+ user2 {
+ label = "sd1-led";
+ gpios = <&gpio2 24 0>;
+ linux,default-trigger = "mmc2";
+ };
+ };
+
+ regulators {
+ compatible = "simple-bus";
+
+ reg_3p3v: 3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "3P3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ reg_vddio_sd0: vddio-sd0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vddio-sd0";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio3 29 0>;
+ };
+
+ reg_vddio_sd1: vddio-sd1 {
+ compatible = "regulator-fixed";
+ regulator-name = "vddio-sd1";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio2 19 0>;
+ };
+
+ reg_usb1_vbus: usb1_vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "usb1_vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&gpio3 8 0>;
+ enable-active-high;
+ };
+ };
+};
@@ -332,6 +332,11 @@ static void __init crystalfontz_init(void)
update_fec_mac_prop(OUI_CRYSTALFONTZ);
}
+static void __init m28cu3_init(void)
+{
+ update_fec_mac_prop(OUI_DENX);
+}
+
static const char __init *mxs_get_soc_id(void)
{
struct device_node *np;
@@ -459,6 +464,8 @@ 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("msr,m28cu3"))
+ m28cu3_init();
of_platform_populate(NULL, of_default_bus_match_table,
NULL, parent);
This board is based on the M28 SoM with custom baseboard. Supported are LEDs, ethernet, PWM, LCD, SD slots. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Shawn Guo <shawn.guo@linaro.org> --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/imx28-m28cu3.dts | 266 +++++++++++++++++++++++++++++++++++++ arch/arm/mach-mxs/mach-mxs.c | 7 + 3 files changed, 274 insertions(+) create mode 100644 arch/arm/boot/dts/imx28-m28cu3.dts V2: Let the FEC driver handle the enet_out clock.