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Diffstat (limited to 'arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts')
-rw-r--r--arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts211
1 files changed, 206 insertions, 5 deletions
diff --git a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
index 339e52ba3614..c90f43cc2fae 100644
--- a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
+++ b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
@@ -17,16 +17,34 @@
reg = <0x80000000 0x40000000>; /* 1024M */
};
+ battery: battery {
+ compatible = "simple-battery";
+ device-chemistry = "lithium-ion";
+ charge-full-design-microamp-hours = <2720000>;
+ voltage-max-design-microvolt = <4200000>;
+ voltage-min-design-microvolt = <3300000>;
+
+ constant-charge-voltage-max-microvolt = <4200000>;
+ /*
+ * vendor kernel says max charge 1400000, input limit 900000
+ * and charges only with dcp chargers. So it is unclear what
+ * is really allowed. Play safe for now and restrict things
+ * here. Maybe 900000 is just the limit of the vendor charger?
+ */
+ constant-charge-current-max-microamp = <900000>;
+ charge-term-current-microamp = <200000>;
+ };
+
backlight-left {
compatible = "pwm-backlight";
pwms = <&twl_pwm 1 7812500>;
- power-supply = <&unknown_supply>;
+ power-supply = <&lb_v50>;
};
backlight-right {
compatible = "pwm-backlight";
pwms = <&twl_pwm 0 7812500>;
- power-supply = <&unknown_supply>;
+ power-supply = <&lb_v50>;
};
chosen {
@@ -46,9 +64,53 @@
};
};
- unknown_supply: unknown-supply {
+ cb_v18: regulator-cb-v18 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&cb_v18_pins>;
+ compatible = "regulator-fixed";
+ regulator-name = "cb_v18";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ cb_v33: regulator-cb-v33 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&cb_v33_pins>;
+ compatible = "regulator-fixed";
+ regulator-name = "cb_v33";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ gpio = <&gpio6 30 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ regulator-cb-v50 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&cb_v50_pins>;
+ compatible = "regulator-fixed";
+ regulator-name = "cb_v50";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ lb_v50: regulator-lb-v50 {
+ /* required for many things at the head (probably indirectly) */
+ pinctrl-names = "default";
+ pinctrl-0 = <&lb_v50_pins>;
compatible = "regulator-fixed";
- regulator-name = "unknown";
+ regulator-name = "lb_v50";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ gpio = <&gpio1 27 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
};
wl12xx_pwrseq: wl12xx-pwrseq {
@@ -71,6 +133,73 @@
};
};
+&gpio1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio1_hog_pins &gpio1wk_hog_pins>;
+
+ lb-reset-hog {
+ gpio-hog;
+ gpios = <9 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "lb_reset";
+ };
+
+ power-en-hog {
+ gpio-hog;
+ gpios = <10 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "power_en";
+ };
+
+ /*
+ * Name taken from vendor kernel but no evidence of actual usage found
+ * nor what it really controls.
+ */
+ panel-power-en-hog {
+ gpio-hog;
+ gpios = <14 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "panel_power_en";
+ };
+
+ /*
+ * These two are exported to sysfs in vendor kernel, usage unknown,
+ * backlight state seems unrelated to these.
+ */
+ blc-r-hog {
+ gpio-hog;
+ gpios = <17 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "blc_r";
+ };
+
+ blc-l-hog {
+ gpio-hog;
+ gpios = <16 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "blc_l";
+ };
+
+ high-hog {
+ gpio-hog;
+ gpios = <15 GPIO_ACTIVE_HIGH /* maybe dsi to dpi chip reset? */
+ 21 GPIO_ACTIVE_HIGH
+ 26 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "unknown-high";
+ };
+
+ low-hog {
+ gpio-hog;
+ gpios = <18 GPIO_ACTIVE_HIGH
+ 19 GPIO_ACTIVE_HIGH
+ 20 GPIO_ACTIVE_HIGH
+ 22 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "unknown-low";
+ };
+};
+
&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
@@ -87,6 +216,14 @@
#interrupt-cells = <1>;
system-power-controller;
+ charger {
+ compatible = "ti,twl6032-charger", "ti,twl6030-charger";
+ interrupts = <2>, <5>;
+ io-channels = <&gpadc 10>;
+ io-channel-names = "vusb";
+ monitored-battery = <&battery>;
+ };
+
rtc {
compatible = "ti,twl4030-rtc";
interrupts = <11>;
@@ -166,7 +303,7 @@
#pwm-cells = <2>;
};
- gpadc {
+ gpadc: gpadc {
compatible = "ti,twl6032-gpadc";
interrupts = <3>;
#io-channel-cells = <1>;
@@ -188,6 +325,19 @@
clock-frequency = <200000>;
+ /* is sometimes not available, research needed */
+ gpio_head: gpio@20 {
+ compatible = "ti,tca6408";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ /*
+ * camera chip at 0x3c, available if <&gpio_head 1> high
+ * and <&gpio_head 5> low
+ */
+
/* at head/glasses */
mpu9150h: imu@68 {
compatible = "invensense,mpu9150";
@@ -259,6 +409,8 @@
pinctrl-0 = <&mpu9150_pins>;
interrupt-parent = <&gpio2>;
interrupt = <7 IRQ_TYPE_LEVEL_HIGH>;
+ vddio-supply = <&cb_v18>;
+ vdd-supply = <&cb_v33>;
invensense,level-shifter;
};
};
@@ -336,12 +488,46 @@
>;
};
+ cb_v18_pins: pinmux-cb-v18-pins {
+ pinctrl-single,pins = <
+ OMAP4_IOPAD(0x1d0, PIN_OUTPUT | MUX_MODE3) /* gpio28 */
+ >;
+ };
+
+ cb_v33_pins: pinmux-cb-v33-pins {
+ pinctrl-single,pins = <
+ OMAP4_IOPAD(0x1d2, PIN_OUTPUT | MUX_MODE3) /* gpio190 */
+ >;
+ };
+
+ cb_v50_pins: pinmux-cb-v50-pins {
+ pinctrl-single,pins = <
+ OMAP4_IOPAD(0x1d4, PIN_OUTPUT | MUX_MODE3) /* gpio191 */
+ >;
+ };
+
gpio_keys_pins: pinmux-gpio-key-pins {
pinctrl-single,pins = <
OMAP4_IOPAD(0x56, PIN_INPUT_PULLUP | MUX_MODE3) /* gpio35 */
>;
};
+ gpio1_hog_pins: pinmux-gpio1-hog-pins {
+ pinctrl-single,pins = <
+ OMAP4_IOPAD(0x1b4, PIN_OUTPUT | MUX_MODE3) /* gpio14 */
+ OMAP4_IOPAD(0x1b8, PIN_OUTPUT | MUX_MODE3) /* gpio16 */
+ OMAP4_IOPAD(0x1ba, PIN_OUTPUT | MUX_MODE3) /* gpio17 */
+
+ OMAP4_IOPAD(0x1b6, PIN_OUTPUT | MUX_MODE3) /* gpio15 */
+ OMAP4_IOPAD(0x1bc, PIN_OUTPUT | MUX_MODE3) /* gpio18 */
+ OMAP4_IOPAD(0x1be, PIN_OUTPUT | MUX_MODE3) /* gpio19 */
+ OMAP4_IOPAD(0x1c0, PIN_OUTPUT | MUX_MODE3) /* gpio20 */
+ OMAP4_IOPAD(0x1c2, PIN_OUTPUT | MUX_MODE3) /* gpio21 */
+ OMAP4_IOPAD(0x1c4, PIN_OUTPUT | MUX_MODE3) /* gpio22 */
+ OMAP4_IOPAD(0x1cc, PIN_OUTPUT | MUX_MODE3) /* gpio26 */
+ >;
+ };
+
i2c1_pins: pinmux-i2c1-pins {
pinctrl-single,pins = <
OMAP4_IOPAD(0x122, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_scl */
@@ -387,6 +573,12 @@
>;
};
+ lb_v50_pins: pinmux-lb-v50-pins {
+ pinctrl-single,pins = <
+ OMAP4_IOPAD(0x1ce, PIN_OUTPUT | MUX_MODE3) /* gpio27 */
+ >;
+ };
+
mcbsp2_pins: pinmux-mcbsp2-pins {
pinctrl-single,pins = <
OMAP4_IOPAD(0x0f6, PIN_INPUT | MUX_MODE0) /* abe_mcbsp2_clkx */
@@ -457,6 +649,15 @@
};
};
+&omap4_pmx_wkup {
+ gpio1wk_hog_pins: pinmux-gpio1wk-hog-pins {
+ pinctrl-single,pins = <
+ OMAP4_IOPAD(0x68, PIN_INPUT_PULLDOWN | MUX_MODE3) /* gpio9 */
+ OMAP4_IOPAD(0x6a, PIN_INPUT | MUX_MODE3) /* gpio10 */
+ >;
+ };
+};
+
&uart2 {
pinctrl-names = "default";
pinctrl-0 = <&uart2_pins &bt_pins>;