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linux/arch/arm/boot/dts/exynos5250-spring.dts
Andreas Faerber 71e21bd4ce ARM: dts: Add trackpad to exynos5250-spring 
The HP Chromebook 11 uses an Atmel maXTouch as trackpad.
The keymap was found by trial-and-error.

Signed-off-by: Andreas Faerber <afaerber@suse.de>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-11-22 23:31:13 +09:00

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/*
* Google Spring board device tree source
*
* Copyright (c) 2013 Google, Inc
* Copyright (c) 2014 SUSE LINUX Products GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/input/input.h>
#include "exynos5250.dtsi"
/ {
model = "Google Spring";
compatible = "google,spring", "samsung,exynos5250", "samsung,exynos5";
memory {
reg = <0x40000000 0x80000000>;
};
chosen {
bootargs = "console=tty1";
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&power_key_irq>, <&lid_irq>;
power {
label = "Power";
gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
linux,code = <KEY_POWER>;
gpio-key,wakeup;
};
lid-switch {
label = "Lid";
gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
linux,input-type = <5>; /* EV_SW */
linux,code = <0>; /* SW_LID */
debounce-interval = <1>;
gpio-key,wakeup;
};
};
usb-hub {
compatible = "smsc,usb3503a";
reset-gpios = <&gpe1 0 GPIO_ACTIVE_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&hsic_reset>;
};
fixed-rate-clocks {
xxti {
compatible = "samsung,clock-xxti";
clock-frequency = <24000000>;
};
};
};
&dp {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&dp_hpd_gpio>;
samsung,color-space = <0>;
samsung,dynamic-range = <0>;
samsung,ycbcr-coeff = <0>;
samsung,color-depth = <1>;
samsung,link-rate = <0x0a>;
samsung,lane-count = <1>;
samsung,hpd-gpio = <&gpc3 0 GPIO_ACTIVE_HIGH>;
};
&ehci {
samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
};
&fimd {
status = "okay";
samsung,invert-vclk;
};
&hdmi {
hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&hdmi_hpd_irq>;
phy = <&hdmiphy>;
ddc = <&i2c_2>;
hdmi-en-supply = <&ldo8_reg>;
vdd-supply = <&ldo8_reg>;
vdd_osc-supply = <&ldo10_reg>;
vdd_pll-supply = <&ldo8_reg>;
};
&i2c_0 {
status = "okay";
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <378000>;
s5m8767-pmic@66 {
compatible = "samsung,s5m8767-pmic";
reg = <0x66>;
interrupt-parent = <&gpx3>;
interrupts = <2 IRQ_TYPE_NONE>;
pinctrl-names = "default";
pinctrl-0 = <&s5m8767_irq &s5m8767_dvs &s5m8767_ds>;
wakeup-source;
s5m8767,pmic-buck-dvs-gpios = <&gpd1 0 GPIO_ACTIVE_LOW>, /* DVS1 */
<&gpd1 1 GPIO_ACTIVE_LOW>, /* DVS2 */
<&gpd1 2 GPIO_ACTIVE_LOW>; /* DVS3 */
s5m8767,pmic-buck-ds-gpios = <&gpx2 3 GPIO_ACTIVE_LOW>, /* SET1 */
<&gpx2 4 GPIO_ACTIVE_LOW>, /* SET2 */
<&gpx2 5 GPIO_ACTIVE_LOW>; /* SET3 */
/*
* The following arrays of DVS voltages are not used, since we are
* not using GPIOs to control PMIC bucks, but they must be defined
* to please the driver.
*/
s5m8767,pmic-buck2-dvs-voltage = <1350000>, <1300000>,
<1250000>, <1200000>,
<1150000>, <1100000>,
<1000000>, <950000>;
s5m8767,pmic-buck3-dvs-voltage = <1100000>, <1100000>,
<1100000>, <1100000>,
<1000000>, <1000000>,
<1000000>, <1000000>;
s5m8767,pmic-buck4-dvs-voltage = <1200000>, <1200000>,
<1200000>, <1200000>,
<1200000>, <1200000>,
<1200000>, <1200000>;
clocks {
compatible = "samsung,s5m8767-clk";
#clock-cells = <1>;
clock-output-names = "en32khz_ap",
"en32khz_cp",
"en32khz_bt";
};
regulators {
ldo4_reg: LDO4 {
regulator-name = "P1.0V_LDO_OUT4";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
op_mode = <0>;
};
ldo5_reg: LDO5 {
regulator-name = "P1.0V_LDO_OUT5";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
op_mode = <0>;
};
ldo6_reg: LDO6 {
regulator-name = "vdd_mydp";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
op_mode = <3>;
};
ldo7_reg: LDO7 {
regulator-name = "P1.1V_LDO_OUT7";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-always-on;
op_mode = <3>;
};
ldo8_reg: LDO8 {
regulator-name = "P1.0V_LDO_OUT8";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
op_mode = <3>;
};
ldo10_reg: LDO10 {
regulator-name = "P1.8V_LDO_OUT10";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
op_mode = <3>;
};
ldo11_reg: LDO11 {
regulator-name = "P1.8V_LDO_OUT11";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
op_mode = <0>;
};
ldo12_reg: LDO12 {
regulator-name = "P3.0V_LDO_OUT12";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-always-on;
op_mode = <3>;
};
ldo13_reg: LDO13 {
regulator-name = "P1.8V_LDO_OUT13";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
op_mode = <0>;
};
ldo14_reg: LDO14 {
regulator-name = "P1.8V_LDO_OUT14";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
op_mode = <3>;
};
ldo15_reg: LDO15 {
regulator-name = "P1.0V_LDO_OUT15";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
op_mode = <3>;
};
ldo16_reg: LDO16 {
regulator-name = "P1.8V_LDO_OUT16";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
op_mode = <3>;
};
ldo17_reg: LDO17 {
regulator-name = "P2.8V_LDO_OUT17";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-always-on;
op_mode = <0>;
};
ldo25_reg: LDO25 {
regulator-name = "vdd_bridge";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
op_mode = <1>;
};
buck1_reg: BUCK1 {
regulator-name = "vdd_mif";
regulator-min-microvolt = <950000>;
regulator-max-microvolt = <1300000>;
regulator-always-on;
regulator-boot-on;
op_mode = <3>;
};
buck2_reg: BUCK2 {
regulator-name = "vdd_arm";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <1350000>;
regulator-always-on;
regulator-boot-on;
op_mode = <3>;
};
buck3_reg: BUCK3 {
regulator-name = "vdd_int";
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
op_mode = <3>;
};
buck4_reg: BUCK4 {
regulator-name = "vdd_g3d";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <1300000>;
regulator-boot-on;
op_mode = <3>;
};
buck5_reg: BUCK5 {
regulator-name = "P1.8V_BUCK_OUT5";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
op_mode = <1>;
};
buck6_reg: BUCK6 {
regulator-name = "P1.2V_BUCK_OUT6";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
op_mode = <0>;
};
buck9_reg: BUCK9 {
regulator-name = "vdd_ummc";
regulator-min-microvolt = <950000>;
regulator-max-microvolt = <3000000>;
regulator-always-on;
regulator-boot-on;
op_mode = <3>;
};
};
};
};
&i2c_1 {
status = "okay";
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <378000>;
trackpad@4b {
compatible = "atmel,maxtouch";
reg = <0x4b>;
interrupt-parent = <&gpx1>;
interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
pinctrl-names = "default";
pinctrl-0 = <&trackpad_irq>;
linux,gpio-keymap = <KEY_RESERVED
KEY_RESERVED
KEY_RESERVED
KEY_RESERVED
KEY_RESERVED
BTN_LEFT>;
wakeup-source;
};
};
/*
* Disabled pullups since external part has its own pullups and
* double-pulling gets us out of spec in some cases.
*/
&i2c2_bus {
samsung,pin-pud = <0>;
};
&i2c_2 {
status = "okay";
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>;
hdmiddc@50 {
compatible = "samsung,exynos4210-hdmiddc";
reg = <0x50>;
};
};
&i2c_3 {
status = "okay";
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>;
};
&i2c_4 {
status = "okay";
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>;
cros_ec: embedded-controller {
compatible = "google,cros-ec-i2c";
reg = <0x1e>;
interrupts = <6 IRQ_TYPE_NONE>;
interrupt-parent = <&gpx1>;
wakeup-source;
pinctrl-names = "default";
pinctrl-0 = <&ec_irq>;
};
};
&i2c_5 {
status = "okay";
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>;
};
&i2c_7 {
status = "okay";
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>;
temperature-sensor@4c {
compatible = "gmt,g781";
reg = <0x4c>;
};
};
&i2c_8 {
status = "okay";
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <378000>;
hdmiphy: hdmiphy@38 {
compatible = "samsung,exynos4212-hdmiphy";
reg = <0x38>;
};
};
&i2s0 {
status = "okay";
};
&mfc {
samsung,mfc-r = <0x43000000 0x800000>;
samsung,mfc-l = <0x51000000 0x800000>;
};
&mmc_0 {
status = "okay";
num-slots = <1>;
supports-highspeed;
broken-cd;
card-detect-delay = <200>;
samsung,dw-mshc-ciu-div = <3>;
samsung,dw-mshc-sdr-timing = <2 3>;
samsung,dw-mshc-ddr-timing = <1 2>;
pinctrl-names = "default";
pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
slot@0 {
reg = <0>;
bus-width = <8>;
};
};
/*
* On Spring we've got SIP WiFi and so can keep drive strengths low to
* reduce EMI.
*/
&mmc_1 {
status = "okay";
num-slots = <1>;
supports-highspeed;
broken-cd;
card-detect-delay = <200>;
samsung,dw-mshc-ciu-div = <3>;
samsung,dw-mshc-sdr-timing = <2 3>;
samsung,dw-mshc-ddr-timing = <1 2>;
pinctrl-names = "default";
pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_cd &sd1_bus4>;
slot@0 {
reg = <0>;
bus-width = <4>;
};
};
&pinctrl_0 {
s5m8767_dvs: s5m8767-dvs {
samsung,pins = "gpd1-0", "gpd1-1", "gpd1-2";
samsung,pin-function = <0>;
samsung,pin-pud = <1>;
samsung,pin-drv = <0>;
};
dp_hpd_gpio: dp-hpd-gpio {
samsung,pins = "gpc3-0";
samsung,pin-function = <0>;
samsung,pin-pud = <3>;
samsung,pin-drv = <0>;
};
trackpad_irq: trackpad-irq {
samsung,pins = "gpx1-2";
samsung,pin-function = <0xf>;
samsung,pin-pud = <0>;
samsung,pin-drv = <0>;
};
power_key_irq: power-key-irq {
samsung,pins = "gpx1-3";
samsung,pin-function = <0>;
samsung,pin-pud = <0>;
samsung,pin-drv = <0>;
};
ec_irq: ec-irq {
samsung,pins = "gpx1-6";
samsung,pin-function = <0>;
samsung,pin-pud = <0>;
samsung,pin-drv = <0>;
};
s5m8767_ds: s5m8767-ds {
samsung,pins = "gpx2-3", "gpx2-4", "gpx2-5";
samsung,pin-function = <0>;
samsung,pin-pud = <1>;
samsung,pin-drv = <0>;
};
s5m8767_irq: s5m8767-irq {
samsung,pins = "gpx3-2";
samsung,pin-function = <0>;
samsung,pin-pud = <0>;
samsung,pin-drv = <0>;
};
lid_irq: lid-irq {
samsung,pins = "gpx3-5";
samsung,pin-function = <0>;
samsung,pin-pud = <0>;
samsung,pin-drv = <0>;
};
hdmi_hpd_irq: hdmi-hpd-irq {
samsung,pins = "gpx3-7";
samsung,pin-function = <0>;
samsung,pin-pud = <1>;
samsung,pin-drv = <0>;
};
};
&pinctrl_1 {
hsic_reset: hsic-reset {
samsung,pins = "gpe1-0";
samsung,pin-function = <1>;
samsung,pin-pud = <0>;
samsung,pin-drv = <0>;
};
};
&sd1_bus4 {
samsung,pin-drv = <0>;
};
&sd1_cd {
samsung,pin-drv = <0>;
};
&sd1_clk {
samsung,pin-drv = <0>;
};
&sd1_cmd {
samsung,pin-pud = <3>;
samsung,pin-drv = <0>;
};
&spi_1 {
status = "okay";
samsung,spi-src-clk = <0>;
num-cs = <1>;
};
#include "cros-ec-keyboard.dtsi"
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