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 4a21c64..d35aa88 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 {