@@ -186,6 +186,19 @@
fsl,pull-up = <0>;
};
+ duart_4pins_a: duart-4pins@0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ 0x3022 /* MX28_PAD_AUART0_CTS__DUART_RX */
+ 0x3032 /* MX28_PAD_AUART0_RTS__DUART_TX */
+ 0x3002 /* MX28_PAD_AUART0_RX__DUART_CTS */
+ 0x3012 /* MX28_PAD_AUART0_TX__DUART_RTS */
+ >;
+ fsl,drive-strength = <0>;
+ fsl,voltage = <1>;
+ fsl,pull-up = <0>;
+ };
+
gpmi_pins_a: gpmi-nand@0 {
reg = <0>;
fsl,pinmux-ids = <
@@ -243,6 +256,19 @@
fsl,pull-up = <0>;
};
+ auart1_pins_a: auart1@0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ 0x3040 /* MX28_PAD_AUART1_RX__AUART1_RX */
+ 0x3050 /* MX28_PAD_AUART1_TX__AUART1_TX */
+ 0x3060 /* MX28_PAD_AUART1_CTS__AUART1_CTS */
+ 0x3070 /* MX28_PAD_AUART1_RTS__AUART1_RTS */
+ >;
+ fsl,drive-strength = <0>;
+ fsl,voltage = <1>;
+ fsl,pull-up = <0>;
+ };
+
auart1_2pins_a: auart1-2pins@0 {
reg = <0>;
fsl,pinmux-ids = <
@@ -407,6 +433,16 @@
fsl,pull-up = <1>;
};
+ pwm0_pins_a: pwm0@0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ 0x3100 /* MX28_PAD_PWM0__PWM_0 */
+ >;
+ fsl,drive-strength = <0>;
+ fsl,voltage = <1>;
+ fsl,pull-up = <0>;
+ };
+
pwm2_pins_a: pwm2@0 {
reg = <0>;
fsl,pinmux-ids = <
new file mode 100644
@@ -0,0 +1,82 @@
+/dts-v1/;
+/include/ "imx28.dtsi"
+
+/ {
+ model = "Ka-Ro electronics TX28 module";
+ compatible = "karo,tx28", "fsl,imx28";
+
+ memory {
+ reg = <0x40000000 0x08000000>;
+ };
+
+ apb@80000000 {
+ apbh@80000000 {
+ 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>;
+ status = "okay";
+ };
+ };
+
+ apbx@80040000 {
+ i2c0: i2c@80058000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins_a>;
+ status = "okay";
+
+ ds1339: rtc@68 {
+ compatible = "mxim,ds1339";
+ reg = <0x68>;
+ };
+ };
+
+ pwm: pwm@80064000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm0_pins_a>;
+ status = "okay";
+ };
+
+ duart: serial@80074000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&duart_4pins_a>;
+ status = "okay";
+ };
+
+ auart1: serial@8006c000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&auart1_pins_a>;
+ status = "okay";
+ };
+ };
+ };
+
+ ahb@80080000 {
+ mac0: ethernet@800f0000 {
+ phy-mode = "rmii";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mac0_pins_a>;
+ status = "okay";
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ user {
+ label = "Heartbeat";
+ gpios = <&gpio4 10 0>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm 0 5000000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <6>;
+ };
+};
@@ -12,8 +12,9 @@
#include <linux/clk.h>
#include <linux/clkdev.h>
+#include <linux/delay.h>
#include <linux/err.h>
-#include <linux/init.h>
+#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/irqdomain.h>
#include <linux/micrel_phy.h>
@@ -24,6 +25,7 @@
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/common.h>
+#include <mach/mxs.h>
static struct fb_videomode mx23evk_video_modes[] = {
{
@@ -277,6 +279,7 @@ static const char *imx28_dt_compat[] __initdata = {
"crystalfontz,cfa10036",
"denx,m28evk",
"fsl,imx28-evk",
+ "karo,tx28",
"fsl,imx28",
NULL,
};
FEC support is missing because we need to find a proper way to rewrite tx28_add_fec0 for device tree boot. Cc: Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> --- arch/arm/boot/dts/imx28.dtsi | 36 ++++++++++++++++++ arch/arm/boot/dts/tx28.dts | 82 ++++++++++++++++++++++++++++++++++++++++++ arch/arm/mach-mxs/mach-mxs.c | 5 ++- 3 files changed, 122 insertions(+), 1 deletions(-) create mode 100644 arch/arm/boot/dts/tx28.dts