ARM: dts: mxs: Add MSR M28CU3 board

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>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 90956108171101587f0b6b6a0e1487c12974573f..3043e6cd101eee92ed85a2d7d6bd9d1ea4c2e7eb 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -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

diff --git a/arch/arm/boot/dts/imx28-m28cu3.dts b/arch/arm/boot/dts/imx28-m28cu3.dts
new file mode 100644 (file)
index 0000000..d3958da
--- /dev/null
+++ b/arch/arm/boot/dts/imx28-m28cu3.dts
@@ -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 = <&reg_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 = <&reg_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 = <&reg_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;
+               };
+       };
+};

diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c
index 98f6e2adb53eaf39722f4988f43ce9d96c86ba50..c0ceb17649faada765c7a804629bc22e08e64ac8 100644 (file)
--- a/arch/arm/mach-mxs/mach-mxs.c
+++ b/arch/arm/mach-mxs/mach-mxs.c
@@ -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);