pinctrl: pm8994: add pad voltage regulator defines

This patch adds defines for internal voltage regulators used
to switch voltage levels on gpio/mpp pads.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
diff --git a/include/dt-bindings/pinctrl/qcom,pmic-gpio.h b/include/dt-bindings/pinctrl/qcom,pmic-gpio.h
index aafa76c..d33f17c 100644
--- a/include/dt-bindings/pinctrl/qcom,pmic-gpio.h
+++ b/include/dt-bindings/pinctrl/qcom,pmic-gpio.h
@@ -89,6 +89,10 @@
 #define PMA8084_GPIO_S4			2
 #define PMA8084_GPIO_L6			3
 
+#define PM8994_GPIO_VPH			0
+#define PM8994_GPIO_S4			2
+#define PM8994_GPIO_L12			3
+
 /* To be used with "function" */
 #define PMIC_GPIO_FUNC_NORMAL		"normal"
 #define PMIC_GPIO_FUNC_PAIRED		"paired"