[PATCH 3/7] ARM: mxs: convert m28evk board to device tree
Shawn Guo
shawn.guo at linaro.org
Mon Jul 9 04:06:03 EDT 2012
From: Marek Vasut <marex at denx.de>
Signed-off-by: Marek Vasut <marex at denx.de>
Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
---
arch/arm/boot/dts/imx28.dtsi | 21 ++++
arch/arm/boot/dts/m28evk.dts | 241 ++++++++++++++++++++++++++++++++++++++++++
arch/arm/mach-mxs/mach-mxs.c | 30 +++++
3 files changed, 292 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/boot/dts/m28evk.dts
diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index 02e778b..3390607 100644
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -232,6 +232,17 @@
fsl,pull-up = <0>;
};
+ auart0_2pins_a: auart0-2pins at 0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ 0x3000 /* MX28_PAD_AUART0_RX__AUART0_RX */
+ 0x3010 /* MX28_PAD_AUART0_TX__AUART0_TX */
+ >;
+ fsl,drive-strength = <0>;
+ fsl,voltage = <1>;
+ fsl,pull-up = <0>;
+ };
+
auart3_pins_a: auart3 at 0 {
reg = <0>;
fsl,pinmux-ids = <
@@ -373,6 +384,16 @@
fsl,pull-up = <0>;
};
+ pwm3_pins_a: pwm3 at 0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ 0x31c0 /* MX28_PAD_PWM3__PWM_3 */
+ >;
+ fsl,drive-strength = <0>;
+ fsl,voltage = <1>;
+ fsl,pull-up = <0>;
+ };
+
lcdif_24bit_pins_a: lcdif-24bit at 0 {
reg = <0>;
fsl,pinmux-ids = <
diff --git a/arch/arm/boot/dts/m28evk.dts b/arch/arm/boot/dts/m28evk.dts
new file mode 100644
index 0000000..0c22792
--- /dev/null
+++ b/arch/arm/boot/dts/m28evk.dts
@@ -0,0 +1,241 @@
+/*
+ * Copyright (C) 2012 Marek Vasut <marex at 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 = "DENX M28EVK";
+ compatible = "denx,m28evk", "fsl,imx28";
+
+ memory {
+ reg = <0x40000000 0x08000000>;
+ };
+
+ apb at 80000000 {
+ apbh at 80000000 {
+ gpmi-nand at 8000c000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>;
+ status = "okay";
+
+ partition at 0 {
+ label = "bootloader";
+ reg = <0x00000000 0x00300000>;
+ read-only;
+ };
+
+ partition at 1 {
+ label = "environment";
+ reg = <0x00300000 0x00080000>;
+ };
+
+ partition at 2 {
+ label = "redundant-environment";
+ reg = <0x00380000 0x00080000>;
+ };
+
+ partition at 3 {
+ label = "kernel";
+ reg = <0x00400000 0x00400000>;
+ };
+
+ partition at 4 {
+ label = "filesystem";
+ reg = <0x00800000 0x0f800000>;
+ };
+ };
+
+ ssp0: ssp at 80010000 {
+ compatible = "fsl,imx28-mmc";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_8bit_pins_a
+ &mmc0_cd_cfg
+ &mmc0_sck_cfg>;
+ bus-width = <8>;
+ wp-gpios = <&gpio3 10 1>;
+ status = "okay";
+ };
+
+ pinctrl at 80018000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&hog_pins_a>;
+
+ hog_pins_a: hog-gpios at 0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ 0x30a3 /* MX28_PAD_AUART2_CTS__GPIO_3_10 */
+ 0x30b3 /* MX28_PAD_AUART2_RTS__GPIO_3_11 */
+ 0x3103 /* MX28_PAD_PWM0__GPIO_3_16 */
+ 0x3113 /* MX28_PAD_PWM1__GPIO_3_17 */
+ >;
+ fsl,drive-strength = <0>;
+ fsl,voltage = <1>;
+ fsl,pull-up = <0>;
+ };
+
+ lcdif_pins_m28: lcdif-m28 at 0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ 0x11e0 /* MX28_PAD_LCD_DOTCLK__LCD_DOTCLK */
+ 0x11f0 /* MX28_PAD_LCD_ENABLE__LCD_ENABLE */
+ >;
+ fsl,drive-strength = <0>;
+ fsl,voltage = <1>;
+ fsl,pull-up = <0>;
+ };
+ };
+
+ lcdif at 80030000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&lcdif_24bit_pins_a
+ &lcdif_pins_m28>;
+ status = "okay";
+ };
+
+ can0: can at 80032000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&can0_pins_a>;
+ status = "okay";
+ };
+
+ can1: can at 80034000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&can1_pins_a>;
+ status = "okay";
+ };
+ };
+
+ apbx at 80040000 {
+ saif0: saif at 80042000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&saif0_pins_a>;
+ status = "okay";
+ };
+
+ saif1: saif at 80046000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&saif1_pins_a>;
+ fsl,saif-master = <&saif0>;
+ status = "okay";
+ };
+
+ i2c0: i2c at 80058000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins_a>;
+ status = "okay";
+
+ sgtl5000: codec at 0a {
+ compatible = "fsl,sgtl5000";
+ reg = <0x0a>;
+ VDDA-supply = <®_3p3v>;
+ VDDIO-supply = <®_3p3v>;
+
+ };
+
+ eeprom: eeprom at 51 {
+ compatible = "atmel,24c128";
+ reg = <0x51>;
+ pagesize = <32>;
+ };
+
+ rtc: rtc at 68 {
+ compatible = "stm,mt41t62";
+ reg = <0x68>;
+ };
+ };
+
+ pwm: pwm at 80064000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm3_pins_a>;
+ status = "okay";
+ };
+
+ duart: serial at 80074000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&duart_pins_a>;
+ status = "okay";
+ };
+
+ auart0: serial at 8006a000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&auart0_2pins_a>;
+ status = "okay";
+ };
+
+ auart3: serial at 80070000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&auart3_pins_a>;
+ status = "okay";
+ };
+ };
+ };
+
+ ahb at 80080000 {
+ mac0: ethernet at 800f0000 {
+ phy-mode = "rmii";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mac0_pins_a>;
+ phy-reset-gpios = <&gpio3 11 0>;
+ status = "okay";
+ };
+
+ mac1: ethernet at 800f4000 {
+ phy-mode = "rmii";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mac1_pins_a>;
+ status = "okay";
+ };
+ };
+
+ regulators {
+ compatible = "simple-bus";
+
+ reg_3p3v: 3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "3P3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+ };
+
+ sound {
+ compatible = "fsl,imx28-evk-sgtl5000",
+ "fsl,mxs-audio-sgtl5000";
+ model = "imx28-evk-sgtl5000";
+ saif-controllers = <&saif0 &saif1>;
+ audio-codec = <&sgtl5000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ user1 {
+ label = "Heartbeat1";
+ gpios = <&gpio3 16 0>;
+ linux,default-trigger = "heartbeat";
+ };
+
+ user2 {
+ label = "Heartbeat2";
+ gpios = <&gpio3 17 0>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm 3 5000000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <6>;
+ };
+};
diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c
index 7bbb961..6bb6db8 100644
--- a/arch/arm/mach-mxs/mach-mxs.c
+++ b/arch/arm/mach-mxs/mach-mxs.c
@@ -59,6 +59,23 @@ static struct fb_videomode mx28evk_video_modes[] = {
},
};
+static struct fb_videomode m28evk_video_modes[] = {
+ {
+ .name = "Ampire AM-800480R2TMQW-T01H",
+ .refresh = 60,
+ .xres = 800,
+ .yres = 480,
+ .pixclock = 30066, /* picosecond (33.26 MHz) */
+ .left_margin = 0,
+ .right_margin = 256,
+ .upper_margin = 0,
+ .lower_margin = 45,
+ .hsync_len = 1,
+ .vsync_len = 1,
+ .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT,
+ },
+};
+
static struct mxsfb_platform_data mxsfb_pdata __initdata;
static struct of_dev_auxdata mxs_auxdata_lookup[] __initdata = {
@@ -203,12 +220,24 @@ static void __init imx28_evk_init(void)
mxsfb_pdata.ld_intf_width = STMLCDIF_24BIT;
}
+static void __init m28evk_init(void)
+{
+ update_fec_mac_prop(OUI_DENX);
+
+ mxsfb_pdata.mode_list = m28evk_video_modes;
+ mxsfb_pdata.mode_count = ARRAY_SIZE(m28evk_video_modes);
+ mxsfb_pdata.default_bpp = 16;
+ mxsfb_pdata.ld_intf_width = STMLCDIF_18BIT;
+}
+
static void __init mxs_machine_init(void)
{
if (of_machine_is_compatible("fsl,imx28-evk"))
imx28_evk_init();
else if (of_machine_is_compatible("fsl,imx23-evk"))
imx23_evk_init();
+ else if (of_machine_is_compatible("denx,m28evk"))
+ m28evk_init();
of_platform_populate(NULL, of_default_bus_match_table,
mxs_auxdata_lookup, NULL);
@@ -223,6 +252,7 @@ static const char *imx23_dt_compat[] __initdata = {
static const char *imx28_dt_compat[] __initdata = {
"crystalfontz,cfa10036",
+ "denx,m28evk",
"fsl,imx28-evk",
"fsl,imx28",
NULL,
--
1.7.5.4
More information about the linux-arm-kernel
mailing list