fix BBB servo cape overlay

Author: lorforlinux

src/arm/BBORG_SERVO-00A2.dts

@@ -35,27 +35,27 @@
 
     P9_19_pinmux { status = "disabled"; };  /* i2c2.scl */
     P9_20_pinmux { status = "disabled"; };	/* i2c2.sda */
-    P8_10_pinmux { status = "disabled"; };	/* servo.enable */
+    P8_10_pinmux { status = "disabled"; };	/* pca9685.enable */
 };
 
 &am33xx_pinmux {
 
     bborg_servo_input_pins: pinmux_bborg_servo_input_pins {
         pinctrl-single,pins = <
-            BONE_P8_12 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)    /* P8_12: gpio1_12 */
-            BONE_P8_11 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)    /* P8_11: gpio1_13 */
-            BONE_P9_30 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)    /* P9_30: gpio3_16 */
-            BONE_P9_27 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)    /* P9_27: gpio3_19 */
-            BONE_P9_41 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)    /* P9_41: gpio3_20 */
-            BONE_P9_42 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)    /* P9_42: gpio0_7 */
+            BONE_P8_12 (PIN_INPUT_PULLDOWN | MUX_MODE7)    /* P8_12: gpio1_12 */
+            BONE_P8_11 (PIN_INPUT_PULLDOWN | MUX_MODE7)    /* P8_11: gpio1_13 */
+            BONE_P9_30 (PIN_INPUT_PULLDOWN | MUX_MODE7)    /* P9_30: gpio3_16 */
+            BONE_P9_27 (PIN_INPUT_PULLDOWN | MUX_MODE7)    /* P9_27: gpio3_19 */
+            BONE_P9_41 (PIN_INPUT_PULLDOWN | MUX_MODE7)    /* P9_41: gpio3_20 */
+            BONE_P9_42 (PIN_INPUT_PULLDOWN | MUX_MODE7)    /* P9_42: gpio0_7 */
         >;
     };
 
 
-    bborg_servo_pca9685_i2c_pins: bborg_servo_pca9685_i2c_pins {
+    bborg_servo_pca9685_i2c_pins: pinmux_bborg_servo_pca9685_i2c_pins {
         pinctrl-single,pins = <
-            BONE_P9_19 (PIN_OUTPUT_PULLDOWN | MUX_MODE3)    /* P9_19: i2c2.scl */
-            BONE_P9_20 (PIN_OUTPUT_PULLDOWN | MUX_MODE3)    /* P9_20: i2c2.sda */
+            BONE_P9_20 (SLEWCTRL_SLOW | PIN_INPUT_PULLUP | MUX_MODE3)    /* P9_19: i2c2.sda */
+            BONE_P9_19 (SLEWCTRL_SLOW | PIN_INPUT_PULLUP | MUX_MODE3)    /* P9_20: i2c2.scl */
         >;
     };
 
@@ -75,45 +75,27 @@
     #address-cells = <1>;
     #size-cells = <0>;
 
-    pca9685_servo: pca9685_serve@7f {
-        compatible = "nxp, pca9685";
+    pca: pca@70 {
+        compatible = "nxp,pca9685-pwm";
+        #pwm-cells = <16>;
+        reg = <0x70>;
         lable = "pca9685_servo";
-        pinctrl-names = "default";
-        pinctrl-0 = <&bborg_servo_pca9685_en_pins>;
-        enable-gpios = <&gpio2 4 GPIO_ACTIVE_HIGH>;
-        reg = <0x7f>;
+        /* invert; */
+        /* open-drain; */
     };
 };
 
 &{/} {
-    gpio_inputs {
-        compatible = "gpio-keys";
+    leds {
         pinctrl-names = "default";
-        pinctrl-0 = <&bborg_servo_input_pins>;
+        pinctrl-0 = <&bborg_servo_pca9685_en_pins>;
 
-        input@1 {
-            lable = "in1";
-            gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>;
-        };
-        input@2 {
-            lable = "in2";
-            gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
-        };
-        input@3 {
-            lable = "in3";
-            gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
-        };
-        input@4 {
-            lable = "in4";
-            gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
-        };
-        input@5 {
-            lable = "in5";
-            gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
-        };
-        input@6 {
-            lable = "in6";
-            gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
+        compatible = "gpio-leds";
+
+        pca9685-enable {
+            label = "pca9685-enable";
+            gpios = <&gpio2 4 GPIO_ACTIVE_LOW>;
+            default-state = "on";
         };
     };
 };