xref: /freebsd/sys/arm/allwinner/aw_thermal.c (revision d69d5ab0)
1343044c4SJared McNeill /*-
2343044c4SJared McNeill  * Copyright (c) 2016 Jared McNeill <jmcneill@invisible.ca>
3343044c4SJared McNeill  * All rights reserved.
4343044c4SJared McNeill  *
5343044c4SJared McNeill  * Redistribution and use in source and binary forms, with or without
6343044c4SJared McNeill  * modification, are permitted provided that the following conditions
7343044c4SJared McNeill  * are met:
8343044c4SJared McNeill  * 1. Redistributions of source code must retain the above copyright
9343044c4SJared McNeill  *    notice, this list of conditions and the following disclaimer.
10343044c4SJared McNeill  * 2. Redistributions in binary form must reproduce the above copyright
11343044c4SJared McNeill  *    notice, this list of conditions and the following disclaimer in the
12343044c4SJared McNeill  *    documentation and/or other materials provided with the distribution.
13343044c4SJared McNeill  *
14343044c4SJared McNeill  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15343044c4SJared McNeill  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16343044c4SJared McNeill  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17343044c4SJared McNeill  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18343044c4SJared McNeill  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
19343044c4SJared McNeill  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20343044c4SJared McNeill  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
21343044c4SJared McNeill  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22343044c4SJared McNeill  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23343044c4SJared McNeill  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24343044c4SJared McNeill  * SUCH DAMAGE.
25343044c4SJared McNeill  *
26343044c4SJared McNeill  * $FreeBSD$
27343044c4SJared McNeill  */
28343044c4SJared McNeill 
29343044c4SJared McNeill /*
30343044c4SJared McNeill  * Allwinner thermal sensor controller
31343044c4SJared McNeill  */
32343044c4SJared McNeill 
33343044c4SJared McNeill #include <sys/cdefs.h>
34343044c4SJared McNeill __FBSDID("$FreeBSD$");
35343044c4SJared McNeill 
36343044c4SJared McNeill #include <sys/param.h>
37343044c4SJared McNeill #include <sys/systm.h>
38343044c4SJared McNeill #include <sys/bus.h>
39343044c4SJared McNeill #include <sys/rman.h>
40343044c4SJared McNeill #include <sys/kernel.h>
41343044c4SJared McNeill #include <sys/sysctl.h>
42d69d5ab0SJared McNeill #include <sys/reboot.h>
43343044c4SJared McNeill #include <sys/module.h>
44343044c4SJared McNeill #include <machine/bus.h>
45343044c4SJared McNeill 
46343044c4SJared McNeill #include <dev/ofw/ofw_bus.h>
47343044c4SJared McNeill #include <dev/ofw/ofw_bus_subr.h>
48343044c4SJared McNeill 
49d69d5ab0SJared McNeill #include <dev/extres/clk/clk.h>
50d69d5ab0SJared McNeill #include <dev/extres/hwreset/hwreset.h>
51d69d5ab0SJared McNeill 
52343044c4SJared McNeill #include <arm/allwinner/aw_sid.h>
53343044c4SJared McNeill 
54343044c4SJared McNeill #define	THS_CTRL0		0x00
55d69d5ab0SJared McNeill #define	THS_CTRL1		0x04
56d69d5ab0SJared McNeill #define	 ADC_CALI_EN		(1 << 17)
57343044c4SJared McNeill #define	THS_CTRL2		0x40
58343044c4SJared McNeill #define	 SENSOR_ACQ1_SHIFT	16
59343044c4SJared McNeill #define	 SENSOR2_EN		(1 << 2)
60343044c4SJared McNeill #define	 SENSOR1_EN		(1 << 1)
61343044c4SJared McNeill #define	 SENSOR0_EN		(1 << 0)
62343044c4SJared McNeill #define	THS_INTC		0x44
63343044c4SJared McNeill #define	THS_INTS		0x48
64d69d5ab0SJared McNeill #define	 THS2_DATA_IRQ_STS	(1 << 10)
65d69d5ab0SJared McNeill #define	 THS1_DATA_IRQ_STS	(1 << 9)
66d69d5ab0SJared McNeill #define	 THS0_DATA_IRQ_STS	(1 << 8)
67d69d5ab0SJared McNeill #define	 SHUT_INT2_STS		(1 << 6)
68d69d5ab0SJared McNeill #define	 SHUT_INT1_STS		(1 << 5)
69d69d5ab0SJared McNeill #define	 SHUT_INT0_STS		(1 << 4)
70d69d5ab0SJared McNeill #define	 ALARM_INT2_STS		(1 << 2)
71d69d5ab0SJared McNeill #define	 ALARM_INT1_STS		(1 << 1)
72d69d5ab0SJared McNeill #define	 ALARM_INT0_STS		(1 << 0)
73343044c4SJared McNeill #define	THS_FILTER		0x70
74343044c4SJared McNeill #define	THS_CALIB0		0x74
75343044c4SJared McNeill #define	THS_CALIB1		0x78
76343044c4SJared McNeill #define	THS_DATA0		0x80
77343044c4SJared McNeill #define	THS_DATA1		0x84
78343044c4SJared McNeill #define	THS_DATA2		0x88
79343044c4SJared McNeill #define	 DATA_MASK		0xfff
80343044c4SJared McNeill 
81d69d5ab0SJared McNeill #define	A83T_ADC_ACQUIRE_TIME	0x17
82d69d5ab0SJared McNeill #define	A83T_FILTER		0x4
83d69d5ab0SJared McNeill #define	A83T_INTC		0x1000
84d69d5ab0SJared McNeill #define	A83T_TEMP_BASE		2719000
85d69d5ab0SJared McNeill #define	A83T_TEMP_DIV		14186
86d69d5ab0SJared McNeill #define	A83T_CLK_RATE		24000000
87d69d5ab0SJared McNeill 
88d69d5ab0SJared McNeill #define	A64_ADC_ACQUIRE_TIME	0x190
89d69d5ab0SJared McNeill #define	A64_FILTER		0x6
90d69d5ab0SJared McNeill #define A64_INTC		0x18000
91d69d5ab0SJared McNeill #define	A64_TEMP_BASE		2170000
92d69d5ab0SJared McNeill #define	A64_TEMP_DIV		8560
93d69d5ab0SJared McNeill #define	A64_CLK_RATE		4000000
94d69d5ab0SJared McNeill 
95d69d5ab0SJared McNeill #define	TEMP_C_TO_K		273
96343044c4SJared McNeill #define	SENSOR_ENABLE_ALL	(SENSOR0_EN|SENSOR1_EN|SENSOR2_EN)
97d69d5ab0SJared McNeill #define	SHUT_INT_ALL		(SHUT_INT0_STS|SHUT_INT1_STS|SHUT_INT2_STS)
98343044c4SJared McNeill 
99d69d5ab0SJared McNeill #define	MAX_SENSORS	3
100343044c4SJared McNeill 
101d69d5ab0SJared McNeill struct aw_thermal_sensor {
102343044c4SJared McNeill 	const char		*name;
103343044c4SJared McNeill 	const char		*desc;
104343044c4SJared McNeill };
105343044c4SJared McNeill 
106d69d5ab0SJared McNeill struct aw_thermal_config {
107d69d5ab0SJared McNeill 	struct aw_thermal_sensor	sensors[MAX_SENSORS];
108d69d5ab0SJared McNeill 	int				nsensors;
109d69d5ab0SJared McNeill 	uint64_t			clk_rate;
110d69d5ab0SJared McNeill 	uint32_t			adc_acquire_time;
111d69d5ab0SJared McNeill 	uint32_t			filter;
112d69d5ab0SJared McNeill 	uint32_t			intc;
113d69d5ab0SJared McNeill 	uint32_t			temp_base;
114d69d5ab0SJared McNeill 	uint32_t			temp_div;
115d69d5ab0SJared McNeill };
116d69d5ab0SJared McNeill 
117d69d5ab0SJared McNeill static const struct aw_thermal_config a83t_config = {
118d69d5ab0SJared McNeill 	.nsensors = 3,
119d69d5ab0SJared McNeill 	.sensors = {
120d69d5ab0SJared McNeill 		[0] = {
121d69d5ab0SJared McNeill 			.name = "cluster0",
122d69d5ab0SJared McNeill 			.desc = "CPU cluster 0 temperature",
123d69d5ab0SJared McNeill 		},
124d69d5ab0SJared McNeill 		[1] = {
125d69d5ab0SJared McNeill 			.name = "cluster1",
126d69d5ab0SJared McNeill 			.desc = "CPU cluster 1 temperature",
127d69d5ab0SJared McNeill 		},
128d69d5ab0SJared McNeill 		[2] = {
129d69d5ab0SJared McNeill 			.name = "gpu",
130d69d5ab0SJared McNeill 			.desc = "GPU temperature",
131d69d5ab0SJared McNeill 		},
132d69d5ab0SJared McNeill 	},
133d69d5ab0SJared McNeill 	.clk_rate = A83T_CLK_RATE,
134d69d5ab0SJared McNeill 	.adc_acquire_time = A83T_ADC_ACQUIRE_TIME,
135d69d5ab0SJared McNeill 	.filter = A83T_FILTER,
136d69d5ab0SJared McNeill 	.intc = A83T_INTC,
137d69d5ab0SJared McNeill 	.temp_base = A83T_TEMP_BASE,
138d69d5ab0SJared McNeill 	.temp_div = A83T_TEMP_DIV,
139d69d5ab0SJared McNeill };
140d69d5ab0SJared McNeill 
141d69d5ab0SJared McNeill static const struct aw_thermal_config a64_config = {
142d69d5ab0SJared McNeill 	.nsensors = 3,
143d69d5ab0SJared McNeill 	.sensors = {
144d69d5ab0SJared McNeill 		[0] = {
145d69d5ab0SJared McNeill 			.name = "cpu",
146d69d5ab0SJared McNeill 			.desc = "CPU temperature",
147d69d5ab0SJared McNeill 		},
148d69d5ab0SJared McNeill 		[1] = {
149d69d5ab0SJared McNeill 			.name = "gpu1",
150d69d5ab0SJared McNeill 			.desc = "GPU temperature 1",
151d69d5ab0SJared McNeill 		},
152d69d5ab0SJared McNeill 		[2] = {
153d69d5ab0SJared McNeill 			.name = "gpu2",
154d69d5ab0SJared McNeill 			.desc = "GPU temperature 2",
155d69d5ab0SJared McNeill 		},
156d69d5ab0SJared McNeill 	},
157d69d5ab0SJared McNeill 	.clk_rate = A64_CLK_RATE,
158d69d5ab0SJared McNeill 	.adc_acquire_time = A64_ADC_ACQUIRE_TIME,
159d69d5ab0SJared McNeill 	.filter = A64_FILTER,
160d69d5ab0SJared McNeill 	.intc = A64_INTC,
161d69d5ab0SJared McNeill 	.temp_base = A64_TEMP_BASE,
162d69d5ab0SJared McNeill 	.temp_div = A64_TEMP_DIV,
163343044c4SJared McNeill };
164343044c4SJared McNeill 
165343044c4SJared McNeill static struct ofw_compat_data compat_data[] = {
166d69d5ab0SJared McNeill 	{ "allwinner,sun8i-a83t-ts",	(uintptr_t)&a83t_config },
167d69d5ab0SJared McNeill 	{ "allwinner,sun50i-a64-ts",	(uintptr_t)&a64_config },
168343044c4SJared McNeill 	{ NULL,				(uintptr_t)NULL }
169343044c4SJared McNeill };
170343044c4SJared McNeill 
171343044c4SJared McNeill #define	THS_CONF(d)		\
172343044c4SJared McNeill 	(void *)ofw_bus_search_compatible((d), compat_data)->ocd_data
173343044c4SJared McNeill 
174343044c4SJared McNeill struct aw_thermal_softc {
175d69d5ab0SJared McNeill 	struct resource			*res[2];
176d69d5ab0SJared McNeill 	struct aw_thermal_config	*conf;
177343044c4SJared McNeill };
178343044c4SJared McNeill 
179343044c4SJared McNeill static struct resource_spec aw_thermal_spec[] = {
180343044c4SJared McNeill 	{ SYS_RES_MEMORY,	0,	RF_ACTIVE },
181d69d5ab0SJared McNeill 	{ SYS_RES_IRQ,		0,	RF_ACTIVE },
182343044c4SJared McNeill 	{ -1, 0 }
183343044c4SJared McNeill };
184343044c4SJared McNeill 
185d69d5ab0SJared McNeill #define	RD4(sc, reg)		bus_read_4((sc)->res[0], (reg))
186d69d5ab0SJared McNeill #define	WR4(sc, reg, val)	bus_write_4((sc)->res[0], (reg), (val))
187343044c4SJared McNeill 
188343044c4SJared McNeill static int
189343044c4SJared McNeill aw_thermal_init(struct aw_thermal_softc *sc)
190343044c4SJared McNeill {
191343044c4SJared McNeill 	uint32_t calib0, calib1;
192343044c4SJared McNeill 	int error;
193343044c4SJared McNeill 
194343044c4SJared McNeill 	/* Read calibration settings from SRAM */
195343044c4SJared McNeill 	error = aw_sid_read_tscalib(&calib0, &calib1);
196343044c4SJared McNeill 	if (error != 0)
197343044c4SJared McNeill 		return (error);
198343044c4SJared McNeill 
199343044c4SJared McNeill 	/* Write calibration settings to thermal controller */
200343044c4SJared McNeill 	WR4(sc, THS_CALIB0, calib0);
201343044c4SJared McNeill 	WR4(sc, THS_CALIB1, calib1);
202343044c4SJared McNeill 
203343044c4SJared McNeill 	/* Configure ADC acquire time (CLK_IN/(N+1)) and enable sensors */
204d69d5ab0SJared McNeill 	WR4(sc, THS_CTRL1, ADC_CALI_EN);
205d69d5ab0SJared McNeill 	WR4(sc, THS_CTRL0, sc->conf->adc_acquire_time);
206d69d5ab0SJared McNeill 	WR4(sc, THS_CTRL2, sc->conf->adc_acquire_time << SENSOR_ACQ1_SHIFT);
207343044c4SJared McNeill 
208343044c4SJared McNeill 	/* Enable average filter */
209d69d5ab0SJared McNeill 	WR4(sc, THS_FILTER, sc->conf->filter);
210d69d5ab0SJared McNeill 
211d69d5ab0SJared McNeill 	/* Enable interrupts */
212d69d5ab0SJared McNeill 	WR4(sc, THS_INTS, RD4(sc, THS_INTS));
213d69d5ab0SJared McNeill 	WR4(sc, THS_INTC, sc->conf->intc | SHUT_INT_ALL);
214d69d5ab0SJared McNeill 
215d69d5ab0SJared McNeill 	/* Enable sensors */
216d69d5ab0SJared McNeill 	WR4(sc, THS_CTRL2, RD4(sc, THS_CTRL2) | SENSOR_ENABLE_ALL);
217343044c4SJared McNeill 
218343044c4SJared McNeill 	return (0);
219343044c4SJared McNeill }
220343044c4SJared McNeill 
221343044c4SJared McNeill static int
222d69d5ab0SJared McNeill aw_thermal_reg_to_temp(struct aw_thermal_softc *sc, uint32_t val)
223343044c4SJared McNeill {
224d69d5ab0SJared McNeill 	return ((sc->conf->temp_base - val * 1000) / sc->conf->temp_div);
225d69d5ab0SJared McNeill }
226343044c4SJared McNeill 
227d69d5ab0SJared McNeill static int
228d69d5ab0SJared McNeill aw_thermal_gettemp(struct aw_thermal_softc *sc, int sensor)
229d69d5ab0SJared McNeill {
230d69d5ab0SJared McNeill 	uint32_t val;
231d69d5ab0SJared McNeill 
232d69d5ab0SJared McNeill 	val = RD4(sc, THS_DATA0 + (sensor * 4));
233d69d5ab0SJared McNeill 
234d69d5ab0SJared McNeill 	return (aw_thermal_reg_to_temp(sc, val) + TEMP_C_TO_K);
235343044c4SJared McNeill }
236343044c4SJared McNeill 
237343044c4SJared McNeill static int
238343044c4SJared McNeill aw_thermal_sysctl(SYSCTL_HANDLER_ARGS)
239343044c4SJared McNeill {
240343044c4SJared McNeill 	struct aw_thermal_softc *sc;
241d69d5ab0SJared McNeill 	int sensor, val;
242343044c4SJared McNeill 
243343044c4SJared McNeill 	sc = arg1;
244343044c4SJared McNeill 	sensor = arg2;
245343044c4SJared McNeill 
246d69d5ab0SJared McNeill 	val = aw_thermal_gettemp(sc, sensor);
247343044c4SJared McNeill 
248343044c4SJared McNeill 	return sysctl_handle_opaque(oidp, &val, sizeof(val), req);
249343044c4SJared McNeill }
250343044c4SJared McNeill 
251d69d5ab0SJared McNeill static void
252d69d5ab0SJared McNeill aw_thermal_intr(void *arg)
253d69d5ab0SJared McNeill {
254d69d5ab0SJared McNeill 	struct aw_thermal_softc *sc;
255d69d5ab0SJared McNeill 	device_t dev;
256d69d5ab0SJared McNeill 	uint32_t ints;
257d69d5ab0SJared McNeill 
258d69d5ab0SJared McNeill 	dev = arg;
259d69d5ab0SJared McNeill 	sc = device_get_softc(dev);
260d69d5ab0SJared McNeill 
261d69d5ab0SJared McNeill 	ints = RD4(sc, THS_INTS);
262d69d5ab0SJared McNeill 	WR4(sc, THS_INTS, ints);
263d69d5ab0SJared McNeill 
264d69d5ab0SJared McNeill 	if ((ints & SHUT_INT_ALL) != 0) {
265d69d5ab0SJared McNeill 		device_printf(dev,
266d69d5ab0SJared McNeill 		   "WARNING - current temperature exceeds safe limits\n");
267d69d5ab0SJared McNeill 		shutdown_nice(RB_POWEROFF);
268d69d5ab0SJared McNeill 	}
269d69d5ab0SJared McNeill }
270d69d5ab0SJared McNeill 
271343044c4SJared McNeill static int
272343044c4SJared McNeill aw_thermal_probe(device_t dev)
273343044c4SJared McNeill {
274343044c4SJared McNeill 	if (!ofw_bus_status_okay(dev))
275343044c4SJared McNeill 		return (ENXIO);
276343044c4SJared McNeill 
277343044c4SJared McNeill 	if (THS_CONF(dev) == NULL)
278343044c4SJared McNeill 		return (ENXIO);
279343044c4SJared McNeill 
280343044c4SJared McNeill 	device_set_desc(dev, "Allwinner Thermal Sensor Controller");
281343044c4SJared McNeill 	return (BUS_PROBE_DEFAULT);
282343044c4SJared McNeill }
283343044c4SJared McNeill 
284343044c4SJared McNeill static int
285343044c4SJared McNeill aw_thermal_attach(device_t dev)
286343044c4SJared McNeill {
287343044c4SJared McNeill 	struct aw_thermal_softc *sc;
288d69d5ab0SJared McNeill 	clk_t clk_ahb, clk_ths;
289d69d5ab0SJared McNeill 	hwreset_t rst;
290d69d5ab0SJared McNeill 	int i, error;
291d69d5ab0SJared McNeill 	void *ih;
292343044c4SJared McNeill 
293343044c4SJared McNeill 	sc = device_get_softc(dev);
294d69d5ab0SJared McNeill 	clk_ahb = clk_ths = NULL;
295d69d5ab0SJared McNeill 	rst = NULL;
296d69d5ab0SJared McNeill 	ih = NULL;
297343044c4SJared McNeill 
298343044c4SJared McNeill 	sc->conf = THS_CONF(dev);
299343044c4SJared McNeill 
300d69d5ab0SJared McNeill 	if (bus_alloc_resources(dev, aw_thermal_spec, sc->res) != 0) {
301343044c4SJared McNeill 		device_printf(dev, "cannot allocate resources for device\n");
302343044c4SJared McNeill 		return (ENXIO);
303343044c4SJared McNeill 	}
304343044c4SJared McNeill 
305d69d5ab0SJared McNeill 	if (clk_get_by_ofw_name(dev, 0, "ahb", &clk_ahb) == 0) {
306d69d5ab0SJared McNeill 		error = clk_enable(clk_ahb);
307d69d5ab0SJared McNeill 		if (error != 0) {
308d69d5ab0SJared McNeill 			device_printf(dev, "cannot enable ahb clock\n");
309d69d5ab0SJared McNeill 			goto fail;
310d69d5ab0SJared McNeill 		}
311d69d5ab0SJared McNeill 	}
312d69d5ab0SJared McNeill 	if (clk_get_by_ofw_name(dev, 0, "ths", &clk_ths) == 0) {
313d69d5ab0SJared McNeill 		error = clk_set_freq(clk_ths, sc->conf->clk_rate, 0);
314d69d5ab0SJared McNeill 		if (error != 0) {
315d69d5ab0SJared McNeill 			device_printf(dev, "cannot set ths clock rate\n");
316d69d5ab0SJared McNeill 			goto fail;
317d69d5ab0SJared McNeill 		}
318d69d5ab0SJared McNeill 		error = clk_enable(clk_ths);
319d69d5ab0SJared McNeill 		if (error != 0) {
320d69d5ab0SJared McNeill 			device_printf(dev, "cannot enable ths clock\n");
321d69d5ab0SJared McNeill 			goto fail;
322d69d5ab0SJared McNeill 		}
323d69d5ab0SJared McNeill 	}
324d69d5ab0SJared McNeill 	if (hwreset_get_by_ofw_idx(dev, 0, 0, &rst) == 0) {
325d69d5ab0SJared McNeill 		error = hwreset_deassert(rst);
326d69d5ab0SJared McNeill 		if (error != 0) {
327d69d5ab0SJared McNeill 			device_printf(dev, "cannot de-assert reset\n");
328d69d5ab0SJared McNeill 			goto fail;
329d69d5ab0SJared McNeill 		}
330d69d5ab0SJared McNeill 	}
331343044c4SJared McNeill 
332d69d5ab0SJared McNeill 	error = bus_setup_intr(dev, sc->res[1], INTR_TYPE_MISC | INTR_MPSAFE,
333d69d5ab0SJared McNeill 	    NULL, aw_thermal_intr, dev, &ih);
334d69d5ab0SJared McNeill 	if (error != 0) {
335d69d5ab0SJared McNeill 		device_printf(dev, "cannot setup interrupt handler\n");
336d69d5ab0SJared McNeill 		goto fail;
337d69d5ab0SJared McNeill 	}
338d69d5ab0SJared McNeill 
339d69d5ab0SJared McNeill 	if (aw_thermal_init(sc) != 0)
340d69d5ab0SJared McNeill 		goto fail;
341d69d5ab0SJared McNeill 
342d69d5ab0SJared McNeill 	for (i = 0; i < sc->conf->nsensors; i++)
343343044c4SJared McNeill 		SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
344343044c4SJared McNeill 		    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
345d69d5ab0SJared McNeill 		    OID_AUTO, sc->conf->sensors[i].name,
346343044c4SJared McNeill 		    CTLTYPE_INT | CTLFLAG_RD,
347d69d5ab0SJared McNeill 		    sc, i, aw_thermal_sysctl, "IK0",
348d69d5ab0SJared McNeill 		    sc->conf->sensors[i].desc);
349343044c4SJared McNeill 
350343044c4SJared McNeill 	return (0);
351d69d5ab0SJared McNeill 
352d69d5ab0SJared McNeill fail:
353d69d5ab0SJared McNeill 	if (ih != NULL)
354d69d5ab0SJared McNeill 		bus_teardown_intr(dev, sc->res[1], ih);
355d69d5ab0SJared McNeill 	if (rst != NULL)
356d69d5ab0SJared McNeill 		hwreset_release(rst);
357d69d5ab0SJared McNeill 	if (clk_ahb != NULL)
358d69d5ab0SJared McNeill 		clk_release(clk_ahb);
359d69d5ab0SJared McNeill 	if (clk_ths != NULL)
360d69d5ab0SJared McNeill 		clk_release(clk_ths);
361d69d5ab0SJared McNeill 	bus_release_resources(dev, aw_thermal_spec, sc->res);
362d69d5ab0SJared McNeill 
363d69d5ab0SJared McNeill 	return (ENXIO);
364343044c4SJared McNeill }
365343044c4SJared McNeill 
366343044c4SJared McNeill static device_method_t aw_thermal_methods[] = {
367343044c4SJared McNeill 	/* Device interface */
368343044c4SJared McNeill 	DEVMETHOD(device_probe,		aw_thermal_probe),
369343044c4SJared McNeill 	DEVMETHOD(device_attach,	aw_thermal_attach),
370343044c4SJared McNeill 
371343044c4SJared McNeill 	DEVMETHOD_END
372343044c4SJared McNeill };
373343044c4SJared McNeill 
374343044c4SJared McNeill static driver_t aw_thermal_driver = {
375343044c4SJared McNeill 	"aw_thermal",
376343044c4SJared McNeill 	aw_thermal_methods,
377343044c4SJared McNeill 	sizeof(struct aw_thermal_softc),
378343044c4SJared McNeill };
379343044c4SJared McNeill 
380343044c4SJared McNeill static devclass_t aw_thermal_devclass;
381343044c4SJared McNeill 
382343044c4SJared McNeill DRIVER_MODULE(aw_thermal, simplebus, aw_thermal_driver, aw_thermal_devclass,
383343044c4SJared McNeill     0, 0);
384343044c4SJared McNeill MODULE_VERSION(aw_thermal, 1);
385