first attempt i2c driver

1 files changed, 7 insertions, 8 deletions

diff --git a/dts/am335x-boneblack-uboot.dts b/dts/am335x-boneblack-uboot.dts
index 43c1cfe..9cdeada 100644
--- a/dts/am335x-boneblack-uboot.dts
+++ b/dts/am335x-boneblack-uboot.dts
@@ -2177,7 +2177,7 @@
 					#size-cells = <0x01>;
 					ranges = <0x00 0x9c000 0x1000>;
 
-					i2c@0 {
+					i2c2: i2c@0 {
 						compatible = "ti,omap4-i2c";
 						#address-cells = <0x01>;
 						#size-cells = <0x00>;
@@ -2241,6 +2241,12 @@
 								phandle = <0xbb>;
 							};
 						};
+
+						// NOTE: this is in i2c2, so I2C2_SCL = P9.19 and I2C2_SDA = P9.20
+						lork {
+							compatible = "lork-i2c"; // load my driver
+							addr = <0x22>; // i2c slave address (see ../arduino/main.cpp)
+						};
 					};
 				};
 
@@ -3892,11 +3898,4 @@
 		not_available = "/not_available";
 		vmmcsd_fixed = "/fixedregulator0";
 	};
-
-	// this section is visible at runtime under
-	// /sys/firmware/devicetree/base/lork
-	lork {
-		compatible = "gpio-extern";
-		gpios = <&gpio1 18 GPIO_ACTIVE_HIGH>;
-	};
 };