summaryrefslogtreecommitdiffstats
path: root/arch/arm/boot/dts/ste-nomadik-s8815.dts
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/boot/dts/ste-nomadik-s8815.dts')
-rw-r--r--arch/arm/boot/dts/ste-nomadik-s8815.dts172
1 files changed, 172 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/ste-nomadik-s8815.dts b/arch/arm/boot/dts/ste-nomadik-s8815.dts
new file mode 100644
index 000000000..f16314ffb
--- /dev/null
+++ b/arch/arm/boot/dts/ste-nomadik-s8815.dts
@@ -0,0 +1,172 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree for the ST-Ericsson Nomadik S8815 board
+ * Produced by Calao Systems
+ */
+
+/dts-v1/;
+#include <dt-bindings/interrupt-controller/irq.h>
+#include "ste-nomadik-stn8815.dtsi"
+
+/ {
+ model = "Calao Systems USB-S8815";
+ compatible = "calaosystems,usb-s8815";
+
+ chosen {
+ bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
+ };
+
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart1;
+ };
+
+ gpio3: gpio@101e7000 {
+ /* This hog will bias the MMC/SD card detect line */
+ mmcsd-gpio {
+ gpio-hog;
+ gpios = <16 0x0>;
+ output-low;
+ line-name = "card detect bias";
+ };
+ };
+
+ src@101e0000 {
+ /* These chrystal drivers are not used on this board */
+ disable-sxtalo;
+ disable-mxtalo;
+ };
+
+ pinctrl {
+ /* Hog CD pins */
+ pinctrl-names = "default";
+ pinctrl-0 = <&cd_default_mode>;
+
+ uart0 {
+ /* Only use RX/TX pins */
+ uart0_s8815_mode: uart0_mux {
+ u0_default_mux {
+ function = "u0";
+ groups = "u0txrx_a_1";
+ };
+ };
+ };
+ mmcsd-cd {
+ cd_default_mode: cd_default {
+ cd_default_cfg1 {
+ /* CD input GPIO */
+ pins = "GPIO111_H21";
+ ste,input = <0>;
+ };
+ cd_default_cfg2 {
+ /* CD GPIO biasing */
+ pins = "GPIO112_J21";
+ ste,output = <0>;
+ };
+ };
+ };
+ gpioi2c {
+ gpioi2c_default_mode: gpioi2c_default {
+ gpioi2c_default_cfg {
+ pins = "GPIO73_C21", "GPIO74_C20";
+ ste,input = <0>;
+ };
+ };
+ };
+ user-led {
+ user_led_default_mode: user_led_default {
+ user_led_default_cfg {
+ pins = "GPIO2_C5";
+ ste,output = <1>;
+ };
+ };
+ };
+ user-button {
+ user_button_default_mode: user_button_default {
+ user_button_default_cfg {
+ pins = "GPIO3_A4";
+ ste,input = <0>;
+ };
+ };
+ };
+ };
+
+ /* Ethernet */
+ external-bus@34000000 {
+ compatible = "simple-bus";
+ reg = <0x34000000 0x1000000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x34000000 0x1000000>;
+ ethernet@300 {
+ compatible = "smsc,lan91c111";
+ reg = <0x300 0x0fd00>;
+ interrupt-parent = <&gpio3>;
+ interrupts = <8 IRQ_TYPE_EDGE_RISING>;
+ };
+ };
+
+ i2c1 {
+ lis3lv02dl@1d {
+ /* Accelerometer */
+ compatible = "st,lis3lv02dl-accel";
+ reg = <0x1d>;
+ };
+ };
+
+ /* GPIO I2C connected to the USB portions of the STw4811 only */
+ gpio-i2c {
+ compatible = "i2c-gpio";
+ gpios = <&gpio2 10 0>, /* sda */
+ <&gpio2 9 0>; /* scl */
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpioi2c_default_mode>;
+
+ stw4811@2d {
+ compatible = "st,stw4811-usb";
+ reg = <0x2d>;
+ };
+ };
+
+
+ amba {
+ /* Activate RXTX on UART 0 */
+ uart0: uart@101fd000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_s8815_mode>;
+ status = "okay";
+ };
+ /* Configure card detect for the uSD slot */
+ mmc@101f6000 {
+ cd-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ /* The user LED on the board is set up to be used for heartbeat */
+ leds {
+ compatible = "gpio-leds";
+ user-led {
+ label = "user_led";
+ gpios = <&gpio0 2 0x1>;
+ default-state = "off";
+ linux,default-trigger = "heartbeat";
+ pinctrl-names = "default";
+ pinctrl-0 = <&user_led_default_mode>;
+ };
+ };
+
+ /* User key mapped in as "escape" */
+ gpio-keys {
+ compatible = "gpio-keys";
+ user-button {
+ label = "user_button";
+ gpios = <&gpio0 3 0x1>;
+ linux,code = <1>; /* KEY_ESC */
+ wakeup-source;
+ pinctrl-names = "default";
+ pinctrl-0 = <&user_button_default_mode>;
+ };
+ };
+};