protocol */
-	DEVMETHOD(gpio_get_bus, qcom_tlmm_get_bus),
-	DEVMETHOD(gpio_pin_max, qcom_tlmm_pin_max),
-	DEVMETHOD(gpio_pin_getname, qcom_tlmm_pin_getname),
-	DEVMETHOD(gpio_pin_getflags, qcom_tlmm_pin_getflags),
-	DEVMETHOD(gpio_pin_getcaps, qcom_tlmm_pin_getcaps),
-	DEVMETHOD(gpio_pin_setflags, qcom_tlmm_pin_setflags),
-	DEVMETHOD(gpio_pin_get, qcom_tlmm_pin_get),
-	DEVMETHOD(gpio_pin_set, qcom_tlmm_pin_set),
-	DEVMETHOD(gpio_pin_toggle, qcom_tlmm_pin_toggle),
-
-	/* OFW */
-	DEVMETHOD(ofw_bus_get_node, qcom_tlmm_pin_get_node),
-
-	/* fdt_pinctrl interface */
-	DEVMETHOD(fdt_pinctrl_configure, qcom_tlmm_pinctrl_configure),
-
-	{0, 0},
-};
-
-static driver_t qcom_tlmm_ipq4018_driver = {
-	"gpio",
-	qcom_tlmm_ipq4018_methods,
-	sizeof(struct qcom_tlmm_softc),
-};
-
-EARLY_DRIVER_MODULE(qcom_tlmm_ipq4018, simplebus, qcom_tlmm_ipq4018_driver,
-    NULL, NULL, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LATE);
-EARLY_DRIVER_MODULE(qcom_tlmm_ipq4018, ofwbus, qcom_tlmm_ipq4018_driver,
-    NULL, NULL, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LATE);
-MODULE_VERSION(qcom_tlmm_ipq4018, 1);
diff --git a/sys/dev/qcom_tlmm/qcom_tlmm_pin.c b/sys/dev/qcom_tlmm/qcom_tlmm_pin.c
index be7b37f21156..27d6f904d664 100644
--- a/sys/dev/qcom_tlmm/qcom_tlmm_pin.c
+++ b/sys/dev/qcom_tlmm/qcom_tlmm_pin.c
@@ -85,11 +85,11 @@ qcom_tlmm_pin_configure(struct qcom_tlmm_softc *sc,
 			 * pin value before we flip on oe_output.
 			 */
 			pin->gp_flags |= GPIO_PIN_OUTPUT;
-			qcom_tlmm_ipq4018_hw_pin_set_oe_output(sc,
+			sc->sc_hw->qcom_tlmm_hw_pin_set_oe_output(sc,
 			    pin->gp_pin);
 		} else {
 			pin->gp_flags |= GPIO_PIN_INPUT;
-			qcom_tlmm_ipq4018_hw_pin_set_oe_input(sc,
+			sc->sc_hw->qcom_tlmm_hw_pin_set_oe_input(sc,
 			    pin->gp_pin);
 		}
 	}
@@ -99,20 +99,20 @@ qcom_tlmm_pin_configure(struct qcom_tlmm_softc *sc,
 	 */
 	if (flags & GPIO_PIN_PULLUP) {
 		pin->gp_flags |= GPIO_PIN_PULLUP;
-		qcom_tlmm_ipq4018_hw_pin_set_pupd_config(sc, pin->gp_pin,
+		sc->sc_hw->qcom_tlmm_hw_pin_set_pupd_config(sc, pin->gp_pin,
 		    QCOM_TLMM_PIN_PUPD_CONFIG_PULL_UP);
 	} else if (flags & GPIO_PIN_PULLDOWN) {
 		pin->gp_flags |= GPIO_PIN_PULLDOWN;
-		qcom_tlmm_ipq4018_hw_pin_set_pupd_config(sc, pin->gp_pin,
+		sc->sc_hw->qcom_tlmm_hw_pin_set_pupd_config(sc, pin->gp_pin,
 		    QCOM_TLMM_PIN_PUPD_CONFIG_PULL_DOWN);
 	} else if ((flags & (GPIO_PIN_PULLUP | GPIO_PIN_PULLDOWN)) ==
 	    (GPIO_PIN_PULLUP | GPIO_PIN_PULLDOWN)) {
 		pin->gp_flags |= GPIO_PIN_PULLUP | GPIO_PIN_PULLDOWN;
-		qcom_tlmm_ipq4018_hw_pin_set_pupd_config(sc, pin->gp_pin,
+		sc->sc_hw->qcom_tlmm_hw_pin_set_pupd_config(sc, pin->gp_pin,
 		    QCOM_TLMM_PIN_PUPD_CONFIG_BUS_HOLD);
 	} else {
 		pin->gp_flags &= ~(GPIO_PIN_PULLUP | GPIO_PIN_PULLDOWN);
-		qcom_tlmm_ipq4018_hw_pin_set_pupd_config(sc, pin->gp_pin,
+		sc->sc_hw->qcom_tlmm_hw_pin_set_pupd_config(sc, pin->gp_pin,
 		    QCOM_TLMM_PIN_PUPD_CONFIG_DISABLE);
 	}
 }
@@ -169,12 +169,12 @@ qcom_tlmm_pin_getflags(device_t dev, uint32_t pin, uint32_t *flags)
 	GPIO_LOCK(sc);
 
 	/* Lookup function - see what it is, whether we're a GPIO line */
-	ret = qcom_tlmm_ipq4018_hw_pin_get_function(sc, pin, &val);
+	ret = sc->sc_hw->qcom_tlmm_hw_pin_get_function(sc, pin, &val);
 	if (ret != 0)
 		goto done;
 
 	/* Lookup input/output state */
-	ret = qcom_tlmm_ipq4018_hw_pin_get_oe_state(sc, pin, &is_output);
+	ret = sc->sc_hw->qcom_tlmm_hw_pin_get_oe_state(sc, pin, &is_output);
 	if (ret != 0)
 		goto done;
 	if (is_output)
@@ -183,7 +183,7 @@ qcom_tlmm_pin_getflags(device_t dev, uint32_t pin, uint32_t *flags)
 		*flags |= GPIO_PIN_INPUT;
 
 	/* Lookup pull-up / pull-down state */
-	ret = qcom_tlmm_ipq4018_hw_pin_get_pupd_config(sc, pin,
+	ret = sc->sc_hw->qcom_tlmm_hw_pin_get_pupd_config(sc, pin,
 	    &pupd_config);
 	if (ret != 0)
 		goto done;
@@ -251,7 +251,7 @@ qcom_tlmm_pin_set(device_t dev, uint32_t pin, unsigned int value)
 		return (EINVAL);
 
 	GPIO_LOCK(sc);
-	ret = qcom_tlmm_ipq4018_hw_pin_set_output_value(sc, pin, value);
+	ret = sc->sc_hw->qcom_tlmm_hw_pin_set_output_value(sc, pin, value);
 	GPIO_UNLOCK(sc);
 
 	return (ret);
@@ -267,7 +267,7 @@ qcom_tlmm_pin_get(device_t dev, uint32_t pin, unsigned int *val)
 		return (EINVAL);
 
 	GPIO_LOCK(sc);
-	ret = qcom_tlmm_ipq4018_hw_pin_get_input_value(sc, pin, val);
+	ret = sc->sc_hw->qcom_tlmm_hw_pin_get_input_value(sc, pin, val);
 	GPIO_UNLOCK(sc);
 
 	return (ret);
@@ -283,7 +283,7 @@ qcom_tlmm_pin_toggle(device_t dev, uint32_t pin)
 		return (EINVAL);
 
 	GPIO_LOCK(sc);
-	ret = qcom_tlmm_ipq4018_hw_pin_toggle_output_value(sc, pin);
+	ret = sc->sc_hw->qcom_tlmm_hw_pin_toggle_output_value(sc, pin);
 	GPIO_UNLOCK(sc);
 
 	return (ret);
diff --git a/sys/dev/qcom_tlmm/qcom_tlmm_pinmux.c b/sys/dev/qcom_tlmm/qcom_tlmm_pinmux.c
index a4b4dffa3dbb..59e97dfe7602 100644
--- a/sys/dev/qcom_tlmm/qcom_tlmm_pinmux.c
+++ b/sys/dev/qcom_tlmm/qcom_tlmm_pinmux.c
@@ -238,7 +238,7 @@ qcom_tlmm_pinctrl_config_gmux(struct qcom_tlmm_softc *sc, char *pin_name,
 		    __func__,
 		    gmux->id,
 		    tmp);
-		err = qcom_tlmm_ipq4018_hw_pin_set_function(sc, gmux->id,
+		err = sc->sc_hw->qcom_tlmm_hw_pin_set_function(sc, gmux->id,
 		    tmp);
 		if (err != 0) {
 			device_printf(sc->dev,
@@ -263,7 +263,7 @@ qcom_tlmm_pinctrl_config_gmux(struct qcom_tlmm_softc *sc, char *pin_name,
 		    cfg->params[i]);
 		switch (i) {
 		case PIN_ID_BIAS_DISABLE:
-			err = qcom_tlmm_ipq4018_hw_pin_set_pupd_config(sc,
+			err = sc->sc_hw->qcom_tlmm_hw_pin_set_pupd_config(sc,
 			    gmux->id, QCOM_TLMM_PIN_PUPD_CONFIG_DISABLE);
 			if (err != 0) {
 				device_printf(sc->dev,
@@ -274,7 +274,7 @@ qcom_tlmm_pinctrl_config_gmux(struct qcom_tlmm_softc *sc, char *pin_name,
 			}
 			break;
 		case PIN_ID_BIAS_PULL_DOWN:
-			err = qcom_tlmm_ipq4018_hw_pin_set_pupd_config(sc,
+			err = sc->sc_hw->qcom_tlmm_hw_pin_set_pupd_config(sc,
 			    gmux->id, QCOM_TLMM_PIN_PUPD_CONFIG_PULL_DOWN);
 			if (err != 0) {
 				device_printf(sc->dev,
@@ -285,7 +285,7 @@ qcom_tlmm_pinctrl_config_gmux(struct qcom_tlmm_softc *sc, char *pin_name,
 			}
 			break;
 		case PIN_ID_BIAS_BUS_HOLD:
-			err = qcom_tlmm_ipq4018_hw_pin_set_pupd_config(sc,
+			err = sc->sc_hw->qcom_tlmm_hw_pin_set_pupd_config(sc,
 			    gmux->id, QCOM_TLMM_PIN_PUPD_CONFIG_BUS_HOLD);
 			if (err != 0) {
 				device_printf(sc->dev,
@@ -297,7 +297,7 @@ qcom_tlmm_pinctrl_config_gmux(struct qcom_tlmm_softc *sc, char *pin_name,
 			break;
 
 		case PIN_ID_BIAS_PULL_UP:
-			err = qcom_tlmm_ipq4018_hw_pin_set_pupd_config(sc,
+			err = sc->sc_hw->qcom_tlmm_hw_pin_set_pupd_config(sc,
 			    gmux->id, QCOM_TLMM_PIN_PUPD_CONFIG_PULL_UP);
 			if (err != 0) {
 				device_printf(sc->dev,
@@ -308,7 +308,7 @@ qcom_tlmm_pinctrl_config_gmux(struct qcom_tlmm_softc *sc, char *pin_name,
 			}
 			break;
 		case PIN_ID_OUTPUT_LOW:
-			err = qcom_tlmm_ipq4018_hw_pin_set_oe_output(sc,
+			err = sc->sc_hw->qcom_tlmm_hw_pin_set_oe_output(sc,
 			    gmux->id);
 			if (err != 0) {
 				device_printf(sc->dev,
@@ -317,7 +317,7 @@ qcom_tlmm_pinctrl_config_gmux(struct qcom_tlmm_softc *sc, char *pin_name,
 				    __func__, gmux->id, err);
 				goto done;
 			}
-			err = qcom_tlmm_ipq4018_hw_pin_set_output_value(
+			err = sc->sc_hw->qcom_tlmm_hw_pin_set_output_value(
 			    sc, gmux->id, 0);
 			if (err != 0) {
 				device_printf(sc->dev,
@@ -328,7 +328,7 @@ qcom_tlmm_pinctrl_config_gmux(struct qcom_tlmm_softc *sc, char *pin_name,
 			}
 			break;
 		case PIN_ID_OUTPUT_HIGH:
-			err = qcom_tlmm_ipq4018_hw_pin_set_oe_output(sc,
+			err = sc->sc_hw->qcom_tlmm_hw_pin_set_oe_output(sc,
 			    gmux->id);
 			if (err != 0) {
 				device_printf(sc->dev,
@@ -337,7 +337,7 @@ qcom_tlmm_pinctrl_config_gmux(struct qcom_tlmm_softc *sc, char *pin_name,
 				    __func__, gmux->id, err);
 				goto done;
 			}
-			err = qcom_tlmm_ipq4018_hw_pin_set_output_value(
+			err = sc->sc_hw->qcom_tlmm_hw_pin_set_output_value(
 			    sc, gmux->id, 1);
 			if (err != 0) {
 				device_printf(sc->dev,
@@ -348,7 +348,7 @@ qcom_tlmm_pinctrl_config_gmux(struct qcom_tlmm_softc *sc, char *pin_name,
 			}
 			break;
 		case PIN_ID_DRIVE_STRENGTH:
-			err = qcom_tlmm_ipq4018_hw_pin_set_drive_strength(sc,
+			err = sc->sc_hw->qcom_tlmm_hw_pin_set_drive_strength(sc,
 			    gmux->id, cfg->params[i]);
 			if (err != 0) {
 				device_printf(sc->dev,
@@ -360,7 +360,7 @@ qcom_tlmm_pinctrl_config_gmux(struct qcom_tlmm_softc *sc, char *pin_name,
 			}
 			break;
 			case PIN_ID_VM_ENABLE:
-			err = qcom_tlmm_ipq4018_hw_pin_set_vm(sc,
+			err = sc->sc_hw->qcom_tlmm_hw_pin_set_vm(sc,
 			    gmux->id, true);
 			if (err != 0) {
 				device_printf(sc->dev,
@@ -371,7 +371,7 @@ qcom_tlmm_pinctrl_config_gmux(struct qcom_tlmm_softc *sc, char *pin_name,
 			}
 			break;
 		case PIN_ID_VM_DISABLE:
-			err = qcom_tlmm_ipq4018_hw_pin_set_vm(sc,
+			err = sc->sc_hw->qcom_tlmm_hw_pin_set_vm(sc,
 			    gmux->id, false);
 			if (err != 0) {
 				device_printf(sc->dev,
@@ -382,7 +382,7 @@ qcom_tlmm_pinctrl_config_gmux(struct qcom_tlmm_softc *sc, char *pin_name,
 			}
 			break;
 		case PIN_ID_DRIVE_OPEN_DRAIN:
-			err = qcom_tlmm_ipq4018_hw_pin_set_open_drain(sc,
+			err = sc->sc_hw->qcom_tlmm_hw_pin_set_open_drain(sc,
 			    gmux->id, true);
 			if (err != 0) {
 				device_printf(sc->dev,
@@ -394,7 +394,7 @@ qcom_tlmm_pinctrl_config_gmux(struct qcom_tlmm_softc *sc, char *pin_name,
 			break;
 		case PIN_ID_INPUT_ENABLE:
 			/* Configure pin as an input */
-			err = qcom_tlmm_ipq4018_hw_pin_set_oe_input(sc,
+			err = sc->sc_hw->qcom_tlmm_hw_pin_set_oe_input(sc,
 			    gmux->id);
 			if (err != 0) {
 				device_printf(sc->dev,
diff --git a/sys/dev/qcom_tlmm/qcom_tlmm_var.h b/sys/dev/qcom_tlmm/qcom_tlmm_var.h
index 1fea18275397..4fd37f83192e 100644
--- a/sys/dev/qcom_tlmm/qcom_tlmm_var.h
+++ b/sys/dev/qcom_tlmm/qcom_tlmm_var.h
@@ -49,6 +49,10 @@
 #define GPIO_CLEAR_BITS(sc, reg, bits)	\
 	GPIO_WRITE(sc, reg, GPIO_READ(sc, (reg)) & ~(bits))
 
+typedef enum {
+	QCOM_TLMM_CHIPSET_NONE = 0,
+	QCOM_TLMM_CHIPSET_IPQ4018 = 1,
+} qcom_tlmm_chipset_t;
 
 enum prop_id {
 	PIN_ID_BIAS_DISABLE = 0,
@@ -141,6 +145,45 @@ struct qcom_tlmm_spec_pin {
 	uint32_t hdrv_shift;
 };
 
+struct qcom_tlmm_softc;
+
+struct qcom_tlmm_hw_callbacks {
+	int (*qcom_tlmm_hw_pin_set_function)(struct qcom_tlmm_softc *,
+	    int, int);
+	int (*qcom_tlmm_hw_pin_get_function)(struct qcom_tlmm_softc *,
+	    int, int *);
+	int (*qcom_tlmm_hw_pin_set_oe_output)(struct qcom_tlmm_softc *,
+	    int);
+	int (*qcom_tlmm_hw_pin_set_oe_input)(struct qcom_tlmm_softc *,
+	    int);
+	int (*qcom_tlmm_hw_pin_get_oe_state)(struct qcom_tlmm_softc *,
+	    int, bool *);
+	int (*qcom_tlmm_hw_pin_set_output_value)(struct qcom_tlmm_softc *,
+	    uint32_t, unsigned int);
+	int (*qcom_tlmm_hw_pin_get_output_value)(struct qcom_tlmm_softc *,
+	    uint32_t, unsigned int *);
+	int (*qcom_tlmm_hw_pin_get_input_value)(struct qcom_tlmm_softc *,
+	    uint32_t, unsigned int *);
+	int (*qcom_tlmm_hw_pin_toggle_output_value)(struct qcom_tlmm_softc *,
+	    uint32_t);
+	int (*qcom_tlmm_hw_pin_set_pupd_config)(struct qcom_tlmm_softc *,
+	    uint32_t, qcom_tlmm_pin_pupd_config_t);
+	int (*qcom_tlmm_hw_pin_get_pupd_config)(struct qcom_tlmm_softc *,
+	    uint32_t, qcom_tlmm_pin_pupd_config_t *);
+	int (*qcom_tlmm_hw_pin_set_drive_strength)(struct qcom_tlmm_softc *,
+	    uint32_t, uint8_t);
+	int (*qcom_tlmm_hw_pin_get_drive_strength)(struct qcom_tlmm_softc *,
+	    uint32_t, uint8_t *);
+	int (*qcom_tlmm_hw_pin_set_vm)(struct qcom_tlmm_softc *,
+	    uint32_t, bool);
+	int (*qcom_tlmm_hw_pin_get_vm)(struct qcom_tlmm_softc *,
+	    uint32_t, bool *);
+	int (*qcom_tlmm_hw_pin_set_open_drain)(struct qcom_tlmm_softc *,
+	    uint32_t, bool);
+	int (*qcom_tlmm_hw_pin_get_open_drain)(struct qcom_tlmm_softc *,
+	    uint32_t, bool *);
+};
+
 struct qcom_tlmm_softc {
 	device_t		dev;
 	device_t		busdev;
@@ -153,6 +196,10 @@ struct qcom_tlmm_softc {
 	int			gpio_npins;
 	struct gpio_pin		*gpio_pins;
 	uint32_t		sc_debug;
+	qcom_tlmm_chipset_t	sc_chipset;
+	void			(*sc_attach_func)(struct qcom_tlmm_softc *);
+
+	struct qcom_tlmm_hw_callbacks	*sc_hw;
 
 	const struct qcom_tlmm_gpio_mux	*gpio_muxes;
 	const struct qcom_tlmm_spec_pin	*spec_pins;