Define the GPIO expander which controls at least some camera gpios.
Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
---
arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts | 13 +++++++++++++
1 file changed, 13 insertions(+)
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 c8205ae89840..ecd727e65761 100644
--- a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
+++ b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
@@ -291,6 +291,19 @@ &i2c2 {
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";
--
2.39.5
