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authorFilip Matijević <filip.matijevic.pz@gmail.com>2016-03-13 03:06:20 +0300
committerTony Lindgren <tony@atomide.com>2016-04-13 00:32:02 +0300
commit83faf920659386608cc63a7206cd91dba31cd443 (patch)
tree1dcfc947904b301cfde1ac5d28c3d93c545734e2 /arch/arm/boot/dts/omap3-n950-n9.dtsi
parent0f4f1542ea0928f4840d308e411797c0dacac239 (diff)
downloadlinux-83faf920659386608cc63a7206cd91dba31cd443.tar.xz
ARM: dts: N9/N950: Add support for accelerometer
Signed-off-by: Filip Matijević <filip.matijevic.pz@gmail.com> Signed-off-by: Sebastian Reichel <sre@kernel.org> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/dts/omap3-n950-n9.dtsi')
-rw-r--r--arch/arm/boot/dts/omap3-n950-n9.dtsi54
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/omap3-n950-n9.dtsi b/arch/arm/boot/dts/omap3-n950-n9.dtsi
index 01632c382467..a00ca761675d 100644
--- a/arch/arm/boot/dts/omap3-n950-n9.dtsi
+++ b/arch/arm/boot/dts/omap3-n950-n9.dtsi
@@ -61,6 +61,13 @@
};
&omap3_pmx_core {
+ accelerator_pins: pinmux_accelerator_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x21da, PIN_INPUT | MUX_MODE4) /* mcspi2_somi.gpio_180 -> LIS302 INT1 */
+ OMAP3_CORE1_IOPAD(0x21dc, PIN_INPUT | MUX_MODE4) /* mcspi2_cs0.gpio_181 -> LIS302 INT2 */
+ >;
+ };
+
debug_leds: pinmux_debug_led_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE4) /* dss_data22.gpio_92 */
@@ -246,6 +253,53 @@
&i2c3 {
clock-frequency = <400000>;
+
+ lis302: lis302@1d {
+ compatible = "st,lis3lv02d";
+ reg = <0x1d>;
+
+ Vdd-supply = <&vaux1>;
+ Vdd_IO-supply = <&vio>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&accelerator_pins>;
+
+ interrupts-extended = <&gpio6 20 IRQ_TYPE_EDGE_FALLING>, <&gpio6 21 IRQ_TYPE_EDGE_FALLING>; /* 180, 181 */
+
+ /* click flags */
+ st,click-single-x;
+ st,click-single-y;
+ st,click-single-z;
+
+ /* Limits are 0.5g * value */
+ st,click-threshold-x = <8>;
+ st,click-threshold-y = <8>;
+ st,click-threshold-z = <10>;
+
+ /* Click must be longer than time limit */
+ st,click-time-limit = <9>;
+
+ /* Kind of debounce filter */
+ st,click-latency = <50>;
+
+ st,wakeup-x-hi;
+ st,wakeup-y-hi;
+ st,wakeup-threshold = <(800/18)>; /* millig-value / 18 to get HW values */
+
+ st,wakeup2-z-hi;
+ st,wakeup2-threshold = <(1000/18)>; /* millig-value / 18 to get HW values */
+
+ st,highpass-cutoff-hz = <2>;
+
+ /* Interrupt line 1 for thresholds */
+ st,irq1-ff-wu-1;
+ st,irq1-ff-wu-2;
+ /* Interrupt line 2 for click detection */
+ st,irq2-click;
+
+ st,wu-duration-1 = <8>;
+ st,wu-duration-2 = <8>;
+ };
};
&mmc1 {