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Diffstat (limited to 'arch/arm/boot/dts/imx28-tx28.dts')
-rw-r--r--arch/arm/boot/dts/imx28-tx28.dts107
1 files changed, 84 insertions, 23 deletions
diff --git a/arch/arm/boot/dts/imx28-tx28.dts b/arch/arm/boot/dts/imx28-tx28.dts
index e14bd86f3e99..a5b27c85a91c 100644
--- a/arch/arm/boot/dts/imx28-tx28.dts
+++ b/arch/arm/boot/dts/imx28-tx28.dts
@@ -21,12 +21,15 @@
aliases {
can0 = &can0;
can1 = &can1;
- display = &display;
+ display = &display0;
ds1339 = &ds1339;
gpio5 = &gpio5;
lcdif = &lcdif;
lcdif_23bit_pins = &tx28_lcdif_23bit_pins;
lcdif_24bit_pins = &lcdif_24bit_pins_a;
+ reg_can_xcvr = &reg_can_xcvr;
+ spi_gpio = &spi_gpio;
+ spi_mxs = &ssp3;
stk5led = &user_led;
usbotg = &usb0;
};
@@ -37,7 +40,7 @@
onewire {
compatible = "w1-gpio";
- gpios = <&gpio2 7 0>;
+ gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>;
status = "disabled";
};
@@ -52,7 +55,7 @@
regulator-name = "usb0_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
- gpio = <&gpio0 18 0>;
+ gpio = <&gpio0 18 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
@@ -62,7 +65,7 @@
regulator-name = "usb1_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
- gpio = <&gpio3 27 0>;
+ gpio = <&gpio3 27 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
@@ -90,7 +93,7 @@
regulator-name = "CAN XCVR";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
- gpio = <&gpio1 0 0>;
+ gpio = <&gpio1 0 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&tx28_flexcan_xcvr_pins>;
};
@@ -101,7 +104,7 @@
regulator-name = "LCD POWER";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
- gpio = <&gpio1 31 0>;
+ gpio = <&gpio1 31 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
@@ -111,7 +114,7 @@
regulator-name = "LCD RESET";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
- gpio = <&gpio3 30 0>;
+ gpio = <&gpio3 30 GPIO_ACTIVE_HIGH>;
startup-delay-us = <300000>;
enable-active-high;
regulator-always-on;
@@ -143,7 +146,7 @@
user_led: user {
label = "Heartbeat";
- gpios = <&gpio4 10 0>;
+ gpios = <&gpio4 10 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "heartbeat";
};
};
@@ -172,16 +175,16 @@
matrix_keypad: matrix-keypad@0 {
compatible = "gpio-matrix-keypad";
col-gpios = <
- &gpio5 0 0
- &gpio5 1 0
- &gpio5 2 0
- &gpio5 3 0
+ &gpio5 0 GPIO_ACTIVE_HIGH
+ &gpio5 1 GPIO_ACTIVE_HIGH
+ &gpio5 2 GPIO_ACTIVE_HIGH
+ &gpio5 3 GPIO_ACTIVE_HIGH
>;
row-gpios = <
- &gpio5 4 0
- &gpio5 5 0
- &gpio5 6 0
- &gpio5 7 0
+ &gpio5 4 GPIO_ACTIVE_HIGH
+ &gpio5 5 GPIO_ACTIVE_HIGH
+ &gpio5 6 GPIO_ACTIVE_HIGH
+ &gpio5 7 GPIO_ACTIVE_HIGH
>;
/* sample keymap */
linux,keymap = <
@@ -203,6 +206,44 @@
col-scan-delay-us = <5000>;
linux,no-autorepeat;
};
+
+ spi_gpio: spi-gpio {
+ compatible = "spi-gpio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&tx28_spi_gpio_pins>;
+
+ gpio-sck = <&gpio2 24 GPIO_ACTIVE_HIGH>;
+ gpio-mosi = <&gpio2 25 GPIO_ACTIVE_HIGH>;
+ gpio-miso = <&gpio2 26 GPIO_ACTIVE_HIGH>;
+ num-chipselects = <3>;
+ cs-gpios = <
+ &gpio2 27 GPIO_ACTIVE_LOW
+ &gpio3 8 GPIO_ACTIVE_LOW
+ &gpio3 9 GPIO_ACTIVE_LOW
+ >;
+ /* enable this and disable ssp3 below, if you need full duplex SPI transfer */
+ status = "disabled";
+
+ spi@0 {
+ compatible = "spidev";
+ reg = <0>;
+ spi-max-frequency = <57600000>;
+ };
+
+ spi@1 {
+ compatible = "spidev";
+ reg = <1>;
+ spi-max-frequency = <57600000>;
+ };
+
+ spi@2 {
+ compatible = "spidev";
+ reg = <2>;
+ spi-max-frequency = <57600000>;
+ };
+ };
};
/* 2nd TX-Std UART - (A)UART1 */
@@ -284,8 +325,8 @@
pinctrl-0 = <&tx28_edt_ft5x06_pins>;
interrupt-parent = <&gpio2>;
interrupts = <5 0>;
- reset-gpios = <&gpio2 6 1>;
- wake-gpios = <&gpio4 9 0>;
+ reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
};
touchscreen: tsc2007@48 {
@@ -295,7 +336,7 @@
pinctrl-0 = <&tx28_tsc2007_pins>;
interrupt-parent = <&gpio3>;
interrupts = <20 0>;
- pendown-gpio = <&gpio3 20 1>;
+ pendown-gpio = <&gpio3 20 GPIO_ACTIVE_LOW>;
ti,x-plate-ohms = /bits/ 16 <660>;
};
@@ -309,10 +350,10 @@
pinctrl-names = "default";
pinctrl-0 = <&lcdif_24bit_pins_a &lcdif_sync_pins_a &tx28_lcdif_ctrl_pins>;
lcd-supply = <&reg_lcd>;
- display = <&display>;
+ display = <&display0>;
status = "okay";
- display: display@0 {
+ display0: display0 {
bits-per-pixel = <32>;
bus-width = <24>;
display-timings {
@@ -558,6 +599,20 @@
fsl,pull-up = <MXS_PULL_DISABLE>;
};
+ tx28_spi_gpio_pins: spi-gpiogrp {
+ fsl,pinmux-ids = <
+ MX28_PAD_AUART2_RX__GPIO_3_8
+ MX28_PAD_AUART2_TX__GPIO_3_9
+ MX28_PAD_SSP3_SCK__GPIO_2_24
+ MX28_PAD_SSP3_MOSI__GPIO_2_25
+ MX28_PAD_SSP3_MISO__GPIO_2_26
+ MX28_PAD_SSP3_SS0__GPIO_2_27
+ >;
+ fsl,drive-strength = <MXS_DRIVE_8mA>;
+ fsl,voltage = <MXS_VOLTAGE_HIGH>;
+ fsl,pull-up = <MXS_PULL_DISABLE>;
+ };
+
tx28_tsc2007_pins: tx28-tsc2007-pins {
fsl,pinmux-ids = <
MX28_PAD_SAIF0_MCLK__GPIO_3_20 /* TSC2007 IRQ */
@@ -619,17 +674,23 @@
clock-frequency = <57600000>;
status = "okay";
- spidev0: spi@0 {
+ spi@0 {
compatible = "spidev";
reg = <0>;
spi-max-frequency = <57600000>;
};
- spidev1: spi@1 {
+ spi@1 {
compatible = "spidev";
reg = <1>;
spi-max-frequency = <57600000>;
};
+
+ spi@2 {
+ compatible = "spidev";
+ reg = <2>;
+ spi-max-frequency = <57600000>;
+ };
};
&usb0 {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 01:19:12 +0100