diff --git a/repos/os/recipes/raw/drivers_interactive-imx53_qsb/drivers.config b/repos/os/recipes/raw/drivers_interactive-imx53_qsb/drivers.config
index 82d7a2b248..2c1dfa3088 100644
--- a/repos/os/recipes/raw/drivers_interactive-imx53_qsb/drivers.config
+++ b/repos/os/recipes/raw/drivers_interactive-imx53_qsb/drivers.config
@@ -69,10 +69,13 @@
 		</route>
 	</start>
 
-	<start name="imx53_input_drv" caps="70">
+	<start name="imx53_input_drv" caps="100">
 		<resource name="RAM" quantum="1M"/>
 		<provides> <service name="Input"/> </provides>
 		<route>
+			<service name="IO_MEM">   <parent/> </service>
+			<service name="IRQ">      <parent/> </service>
+			<service name="Gpio">     <child name="imx53_gpio_drv"/> </service>
 			<service name="Platform"> <child name="platform_drv"/> </service>
 			<service name="ROM">      <parent/> </service>
 			<service name="PD">       <parent/> </service>
diff --git a/repos/os/src/drivers/framebuffer/spec/imx53/ipu.h b/repos/os/src/drivers/framebuffer/spec/imx53/ipu.h
index 26ba65df16..11d87cbdb1 100644
--- a/repos/os/src/drivers/framebuffer/spec/imx53/ipu.h
+++ b/repos/os/src/drivers/framebuffer/spec/imx53/ipu.h
@@ -207,7 +207,7 @@ class Ipu : Genode::Mmio
 					unsigned dec_sel2 : 1;   /* Decode Address Select bit[2] */
 					unsigned res2     : 9;   /* reserved */
 					Genode::uint32_t res3[3];
-				};
+				} __attribute__((packed));
 
 				Cp_mem() { Genode::memset(this, 0, sizeof(Cp_mem)); }
 		} __attribute__((packed));
diff --git a/repos/os/src/drivers/gpio/spec/imx/driver.h b/repos/os/src/drivers/gpio/spec/imx/driver.h
index 0cd2224c06..4a90475939 100644
--- a/repos/os/src/drivers/gpio/spec/imx/driver.h
+++ b/repos/os/src/drivers/gpio/spec/imx/driver.h
@@ -68,7 +68,7 @@ class Imx_driver : public Gpio::Driver
 						Irq_handler &operator = (Irq_handler const &);
 
 						Genode::Irq_connection                  _irq;
-						Genode::Signal_handler<Irq_handler>     _dispatcher;
+						Genode::Io_signal_handler<Irq_handler>  _dispatcher;
 						Gpio_bank                              *_bank;
 
 						void _handle()
diff --git a/repos/os/src/drivers/input/spec/imx53/driver.h b/repos/os/src/drivers/input/spec/imx53/driver.h
index e86dac0d63..b9f86f76e1 100644
--- a/repos/os/src/drivers/input/spec/imx53/driver.h
+++ b/repos/os/src/drivers/input/spec/imx53/driver.h
@@ -37,14 +37,13 @@ class Input::Tablet_driver
 			GPIO_BUTTON = 132,
 		};
 
-		Timer::Connection                         _timer;
 		Event_queue                              &_ev_queue;
 		Gpio::Connection                          _gpio_ts;
 		Gpio::Connection                          _gpio_bt;
 		Genode::Irq_session_client                _irq_ts;
 		Genode::Irq_session_client                _irq_bt;
-		Genode::Signal_handler<Tablet_driver>     _ts_dispatcher;
-		Genode::Signal_handler<Tablet_driver>     _bt_dispatcher;
+		Genode::Io_signal_handler<Tablet_driver>  _ts_dispatcher;
+		Genode::Io_signal_handler<Tablet_driver>  _bt_dispatcher;
 		Touchscreen                               _touchscreen;
 		Buttons                                   _buttons;
 
@@ -62,7 +61,6 @@ class Input::Tablet_driver
 
 		Tablet_driver(Genode::Env &env, Event_queue &ev_queue)
 		:
-			_timer(env),
 			_ev_queue(ev_queue),
 			_gpio_ts(env, GPIO_TOUCH),
 			_gpio_bt(env, GPIO_BUTTON),
@@ -70,7 +68,8 @@ class Input::Tablet_driver
 			_irq_bt(_gpio_bt.irq_session(Gpio::Session::FALLING_EDGE)),
 			_ts_dispatcher(env.ep(), *this, &Tablet_driver::_handle_ts),
 			_bt_dispatcher(env.ep(), *this, &Tablet_driver::_handle_bt),
-			_touchscreen(env, _timer), _buttons(env, _timer)
+			_touchscreen(env),
+			_buttons(env)
 		{
 			/* GPIO touchscreen handling */
 			_gpio_ts.direction(Gpio::Session::OUT);
diff --git a/repos/os/src/drivers/input/spec/imx53/egalax_ts.h b/repos/os/src/drivers/input/spec/imx53/egalax_ts.h
index 4ce3ced0a6..776e8904b3 100644
--- a/repos/os/src/drivers/input/spec/imx53/egalax_ts.h
+++ b/repos/os/src/drivers/input/spec/imx53/egalax_ts.h
@@ -44,12 +44,11 @@ class Input::Touchscreen {
 
 	public:
 
-		Touchscreen(Genode::Env &env, Timer::Connection &timer)
+		Touchscreen(Genode::Env &env)
 		:
 			_irq_handler(env, Imx53::I2C_3_IRQ),
 			_i2c_ds(env, Imx53::I2C_3_BASE, Imx53::I2C_3_SIZE),
-			_i2c(timer,
-			     (Genode::addr_t)_i2c_ds.local_addr<void>(),
+			_i2c((Genode::addr_t)_i2c_ds.local_addr<void>(),
 			     _irq_handler),
 			     _state(RELEASED)
 		{
diff --git a/repos/os/src/drivers/input/spec/imx53/i2c.h b/repos/os/src/drivers/input/spec/imx53/i2c.h
index 5053a2aa5e..c727a849a7 100644
--- a/repos/os/src/drivers/input/spec/imx53/i2c.h
+++ b/repos/os/src/drivers/input/spec/imx53/i2c.h
@@ -64,8 +64,7 @@ class I2c::I2c : Genode::Mmio
 
 		class No_ack : Genode::Exception {};
 
-		Timer::Connection &_timer;
-		Irq_handler       &_irq_handler;
+		Irq_handler & _irq_handler;
 
 		void _busy() { while (!read<Status::Busy>()); }
 
@@ -77,7 +76,7 @@ class I2c::I2c : Genode::Mmio
 			write<Status>(0);
 			write<Control>(Control::Enable::bits(1));
 
-			_timer.msleep(1);
+			while (!read<Control::Enable>()) { ; }
 
 			write<Control::Master_slave_select>(1);
 
@@ -112,9 +111,9 @@ class I2c::I2c : Genode::Mmio
 
 	public:
 
-		I2c(Timer::Connection &timer,
-		    Genode::addr_t const base, Irq_handler &irq_handler)
-		: Mmio(base), _timer(timer), _irq_handler(irq_handler)
+		I2c(Genode::addr_t const base, Irq_handler &irq_handler)
+		: Mmio(base),
+		  _irq_handler(irq_handler)
 		{
 			write<Control>(0);
 			write<Status>(0);
@@ -167,6 +166,7 @@ class I2c::I2c : Genode::Mmio
 						}
 
 						buf[i] = read<Data>();
+						_irq_handler.ack();
 					}
 
 					_stop();
diff --git a/repos/os/src/drivers/input/spec/imx53/irq_handler.h b/repos/os/src/drivers/input/spec/imx53/irq_handler.h
index 75f8b37464..bce7788d6b 100644
--- a/repos/os/src/drivers/input/spec/imx53/irq_handler.h
+++ b/repos/os/src/drivers/input/spec/imx53/irq_handler.h
@@ -21,9 +21,9 @@ class Irq_handler
 {
 	private:
 
-		Genode::Env                        &_env;
-		Genode::Irq_connection              _irq;
-		Genode::Signal_handler<Irq_handler> _handler;
+		Genode::Env                           &_env;
+		Genode::Irq_connection                 _irq;
+		Genode::Io_signal_handler<Irq_handler> _handler;
 
 		unsigned _sem_cnt = 1;
 
diff --git a/repos/os/src/drivers/input/spec/imx53/mpr121.h b/repos/os/src/drivers/input/spec/imx53/mpr121.h
index 97b980484c..f1a734d5ef 100644
--- a/repos/os/src/drivers/input/spec/imx53/mpr121.h
+++ b/repos/os/src/drivers/input/spec/imx53/mpr121.h
@@ -52,12 +52,11 @@ class Input::Buttons {
 
 	public:
 
-		Buttons(Genode::Env &env, Timer::Connection &timer)
+		Buttons(Genode::Env &env)
 		:
 			_irq_handler(env, Imx53::I2C_2_IRQ),
 			_i2c_ds(env, Imx53::I2C_2_BASE, Imx53::I2C_2_SIZE),
-			_i2c(timer,
-			     (Genode::addr_t)_i2c_ds.local_addr<void>(),
+			_i2c((Genode::addr_t)_i2c_ds.local_addr<void>(),
 			     _irq_handler),
 			_state(0)
 		{