ARM: dts: nomadik: add accelerometer IRQ and pin setting

The LIS3LV02DL accelerometer on the Nomadik NHK15 can generate
IRQs by the DRDY line. Map this in the DTS file and set up the
pin as input to the SoC.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/arch/arm/boot/dts/ste-nomadik-nhk15.dts b/arch/arm/boot/dts/ste-nomadik-nhk15.dts
index 4a21c6492dbb89b386bb4ab365b9b10a16f4a72f..d35aa88791ad2ef3fdea647686aee75021803689 100644 (file)
--- a/arch/arm/boot/dts/ste-nomadik-nhk15.dts
+++ b/arch/arm/boot/dts/ste-nomadik-nhk15.dts
@@ -57,8 +57,15 @@
                                };
                        };
                };
+               lis3lv02dl {
+                       lis3lv02dl_nhk_mode: lis3lv02dl_nhk {
+                               nhk_cfg1 {
+                                       pins = "GPIO82_C10"; // IRQ line
+                                       ste,input = <0>;
+                               };
+                       };
+               };
        };
-
        src@101e0000 {
                /* These chrystal outputs are not used on this board */
                disable-sxtalo;
@@ -86,6 +93,10 @@
                lis3lv02dl@1d {
                        /* Accelerometer */
                        compatible = "st,lis3lv02dl-accel";
+                       interrupt-parent = <&gpio2>;
+                       interrupts = <18 IRQ_TYPE_EDGE_RISING>; // GPIO 82
+                       pinctrl-0 = <&lis3lv02dl_nhk_mode>;
+                       pinctrl-names = "default";
                        reg = <0x1d>;
                };
                stmpe0: stmpe2401@43 {