asus.c

  1// SPDX-License-Identifier: GPL-2.0-or-later
  2/*
  3 * Board info for Asus X86 tablets which ship with Android as the factory image
  4 * and which have broken DSDT tables. The factory kernels shipped on these
  5 * devices typically have a bunch of things hardcoded, rather than specified
  6 * in their DSDT.
  7 *
  8 * Copyright (C) 2021-2023 Hans de Goede <hansg@kernel.org>
  9 */
 10
 11#include <linux/gpio/machine.h>
 12#include <linux/gpio/property.h>
 13#include <linux/input-event-codes.h>
 14#include <linux/platform_device.h>
 15
 16#include "shared-psy-info.h"
 17#include "x86-android-tablets.h"
 18
 19/* Asus ME176C and TF103C tablets shared data */
 20static const struct property_entry asus_me176c_tf103c_int3496_props[] __initconst = {
 21	PROPERTY_ENTRY_GPIO("id-gpios", &baytrail_gpiochip_nodes[2], 22, GPIO_ACTIVE_HIGH),
 22	{ }
 23};
 24
 25static const struct platform_device_info asus_me176c_tf103c_pdevs[] __initconst = {
 26	{
 27		/* For micro USB ID pin handling */
 28		.name = "intel-int3496",
 29		.id = PLATFORM_DEVID_NONE,
 30		.properties = asus_me176c_tf103c_int3496_props,
 31	},
 32};
 33
 34static const struct software_node asus_me176c_tf103c_gpio_keys_node = {
 35	.name = "lid_sw",
 36};
 37
 38static const struct property_entry asus_me176c_tf103c_lid_props[] = {
 39	PROPERTY_ENTRY_U32("linux,input-type", EV_SW),
 40	PROPERTY_ENTRY_U32("linux,code", SW_LID),
 41	PROPERTY_ENTRY_STRING("label", "lid_sw"),
 42	PROPERTY_ENTRY_GPIO("gpios", &baytrail_gpiochip_nodes[2], 12, GPIO_ACTIVE_LOW),
 43	PROPERTY_ENTRY_U32("debounce-interval", 50),
 44	PROPERTY_ENTRY_BOOL("wakeup-source"),
 45	{ }
 46};
 47
 48static const struct software_node asus_me176c_tf103c_lid_node = {
 49	.parent = &asus_me176c_tf103c_gpio_keys_node,
 50	.properties = asus_me176c_tf103c_lid_props,
 51};
 52
 53static const struct software_node *asus_me176c_tf103c_lid_swnodes[] = {
 54	&asus_me176c_tf103c_gpio_keys_node,
 55	&asus_me176c_tf103c_lid_node,
 56	NULL
 57};
 58
 59/* Asus ME176C tablets have an Android factory image with everything hardcoded */
 60static const char * const asus_me176c_accel_mount_matrix[] = {
 61	"-1", "0", "0",
 62	"0", "1", "0",
 63	"0", "0", "1"
 64};
 65
 66static const struct property_entry asus_me176c_accel_props[] = {
 67	PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", asus_me176c_accel_mount_matrix),
 68	{ }
 69};
 70
 71static const struct software_node asus_me176c_accel_node = {
 72	.properties = asus_me176c_accel_props,
 73};
 74
 75static const struct property_entry asus_me176c_bq24190_props[] = {
 76	PROPERTY_ENTRY_STRING_ARRAY_LEN("supplied-from", tusb1211_chg_det_psy, 1),
 77	PROPERTY_ENTRY_REF("monitored-battery", &generic_lipo_hv_4v35_battery_node),
 78	PROPERTY_ENTRY_U32("ti,system-minimum-microvolt", 3600000),
 79	PROPERTY_ENTRY_BOOL("omit-battery-class"),
 80	PROPERTY_ENTRY_BOOL("disable-reset"),
 81	{ }
 82};
 83
 84static const struct software_node asus_me176c_bq24190_node = {
 85	.properties = asus_me176c_bq24190_props,
 86};
 87
 88static const struct property_entry asus_me176c_ug3105_props[] = {
 89	PROPERTY_ENTRY_STRING_ARRAY_LEN("supplied-from", bq24190_psy, 1),
 90	PROPERTY_ENTRY_REF("monitored-battery", &generic_lipo_hv_4v35_battery_node),
 91	PROPERTY_ENTRY_U32("upisemi,rsns-microohm", 10000),
 92	{ }
 93};
 94
 95static const struct software_node asus_me176c_ug3105_node = {
 96	.properties = asus_me176c_ug3105_props,
 97};
 98
 99static const struct property_entry asus_me176c_touchscreen_props[] = {
100	PROPERTY_ENTRY_GPIO("reset-gpios", &baytrail_gpiochip_nodes[0], 60, GPIO_ACTIVE_HIGH),
101	PROPERTY_ENTRY_GPIO("irq-gpios", &baytrail_gpiochip_nodes[2], 28, GPIO_ACTIVE_HIGH),
102	{ }
103};
104
105static const struct software_node asus_me176c_touchscreen_node = {
106	.properties = asus_me176c_touchscreen_props,
107};
108
109static const struct x86_i2c_client_info asus_me176c_i2c_clients[] __initconst = {
110	{
111		/* bq24297 battery charger */
112		.board_info = {
113			.type = "bq24190",
114			.addr = 0x6b,
115			.dev_name = "bq24297",
116			.swnode = &asus_me176c_bq24190_node,
117			.platform_data = &bq24190_pdata,
118		},
119		.adapter_path = "\\_SB_.I2C1",
120		.irq_data = {
121			.type = X86_ACPI_IRQ_TYPE_PMIC,
122			.chip = "\\_SB_.I2C7.PMIC",
123			.domain = DOMAIN_BUS_WAKEUP,
124			.index = 0,
125		},
126	}, {
127		/* ug3105 battery monitor */
128		.board_info = {
129			.type = "ug3105",
130			.addr = 0x70,
131			.dev_name = "ug3105",
132			.swnode = &asus_me176c_ug3105_node,
133		},
134		.adapter_path = "\\_SB_.I2C1",
135	}, {
136		/* ak09911 compass */
137		.board_info = {
138			.type = "ak09911",
139			.addr = 0x0c,
140			.dev_name = "ak09911",
141		},
142		.adapter_path = "\\_SB_.I2C5",
143	}, {
144		/* kxtj21009 accelerometer */
145		.board_info = {
146			.type = "kxtj21009",
147			.addr = 0x0f,
148			.dev_name = "kxtj21009",
149			.swnode = &asus_me176c_accel_node,
150		},
151		.adapter_path = "\\_SB_.I2C5",
152		.irq_data = {
153			.type = X86_ACPI_IRQ_TYPE_APIC,
154			.index = 0x44,
155			.trigger = ACPI_EDGE_SENSITIVE,
156			.polarity = ACPI_ACTIVE_LOW,
157		},
158	}, {
159		/* goodix touchscreen */
160		.board_info = {
161			.type = "GDIX1001:00",
162			.addr = 0x14,
163			.dev_name = "goodix_ts",
164			.swnode = &asus_me176c_touchscreen_node,
165		},
166		.adapter_path = "\\_SB_.I2C6",
167		.irq_data = {
168			.type = X86_ACPI_IRQ_TYPE_APIC,
169			.index = 0x45,
170			.trigger = ACPI_EDGE_SENSITIVE,
171			.polarity = ACPI_ACTIVE_LOW,
172		},
173	},
174};
175
176static const struct x86_serdev_info asus_me176c_serdevs[] __initconst = {
177	{
178		.ctrl.acpi.hid = "80860F0A",
179		.ctrl.acpi.uid = "2",
180		.ctrl_devname = "serial0",
181		.serdev_hid = "BCM2E3A",
182	},
183};
184
185const struct x86_dev_info asus_me176c_info __initconst = {
186	.i2c_client_info = asus_me176c_i2c_clients,
187	.i2c_client_count = ARRAY_SIZE(asus_me176c_i2c_clients),
188	.pdev_info = asus_me176c_tf103c_pdevs,
189	.pdev_count = ARRAY_SIZE(asus_me176c_tf103c_pdevs),
190	.serdev_info = asus_me176c_serdevs,
191	.serdev_count = ARRAY_SIZE(asus_me176c_serdevs),
192	.gpio_button_swnodes = asus_me176c_tf103c_lid_swnodes,
193	.swnode_group = generic_lipo_hv_4v35_battery_swnodes,
194	.modules = bq24190_modules,
195	.gpiochip_type = X86_GPIOCHIP_BAYTRAIL,
196};
197
198/* Asus TF103C tablets have an Android factory image with everything hardcoded */
199static const char * const asus_tf103c_accel_mount_matrix[] = {
200	"0", "-1", "0",
201	"-1", "0", "0",
202	"0", "0", "1"
203};
204
205static const struct property_entry asus_tf103c_accel_props[] = {
206	PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", asus_tf103c_accel_mount_matrix),
207	{ }
208};
209
210static const struct software_node asus_tf103c_accel_node = {
211	.properties = asus_tf103c_accel_props,
212};
213
214static const struct property_entry asus_tf103c_touchscreen_props[] = {
215	PROPERTY_ENTRY_STRING("compatible", "atmel,atmel_mxt_ts"),
216	{ }
217};
218
219static const struct software_node asus_tf103c_touchscreen_node = {
220	.properties = asus_tf103c_touchscreen_props,
221};
222
223static const struct property_entry asus_tf103c_bq24190_props[] = {
224	PROPERTY_ENTRY_STRING_ARRAY_LEN("supplied-from", tusb1211_chg_det_psy, 1),
225	PROPERTY_ENTRY_REF("monitored-battery", &generic_lipo_4v2_battery_node),
226	PROPERTY_ENTRY_U32("ti,system-minimum-microvolt", 3600000),
227	PROPERTY_ENTRY_BOOL("omit-battery-class"),
228	PROPERTY_ENTRY_BOOL("disable-reset"),
229	{ }
230};
231
232static const struct software_node asus_tf103c_bq24190_node = {
233	.properties = asus_tf103c_bq24190_props,
234};
235
236static const struct property_entry asus_tf103c_ug3105_props[] = {
237	PROPERTY_ENTRY_STRING_ARRAY_LEN("supplied-from", bq24190_psy, 1),
238	PROPERTY_ENTRY_REF("monitored-battery", &generic_lipo_4v2_battery_node),
239	PROPERTY_ENTRY_U32("upisemi,rsns-microohm", 5000),
240	{ }
241};
242
243static const struct software_node asus_tf103c_ug3105_node = {
244	.properties = asus_tf103c_ug3105_props,
245};
246
247static const struct x86_i2c_client_info asus_tf103c_i2c_clients[] __initconst = {
248	{
249		/* bq24297 battery charger */
250		.board_info = {
251			.type = "bq24190",
252			.addr = 0x6b,
253			.dev_name = "bq24297",
254			.swnode = &asus_tf103c_bq24190_node,
255			.platform_data = &bq24190_pdata,
256		},
257		.adapter_path = "\\_SB_.I2C1",
258		.irq_data = {
259			.type = X86_ACPI_IRQ_TYPE_PMIC,
260			.chip = "\\_SB_.I2C7.PMIC",
261			.domain = DOMAIN_BUS_WAKEUP,
262			.index = 0,
263		},
264	}, {
265		/* ug3105 battery monitor */
266		.board_info = {
267			.type = "ug3105",
268			.addr = 0x70,
269			.dev_name = "ug3105",
270			.swnode = &asus_tf103c_ug3105_node,
271		},
272		.adapter_path = "\\_SB_.I2C1",
273	}, {
274		/* ak09911 compass */
275		.board_info = {
276			.type = "ak09911",
277			.addr = 0x0c,
278			.dev_name = "ak09911",
279		},
280		.adapter_path = "\\_SB_.I2C5",
281	}, {
282		/* kxtj21009 accelerometer */
283		.board_info = {
284			.type = "kxtj21009",
285			.addr = 0x0f,
286			.dev_name = "kxtj21009",
287			.swnode = &asus_tf103c_accel_node,
288		},
289		.adapter_path = "\\_SB_.I2C5",
290	}, {
291		/* atmel touchscreen */
292		.board_info = {
293			.type = "atmel_mxt_ts",
294			.addr = 0x4a,
295			.dev_name = "atmel_mxt_ts",
296			.swnode = &asus_tf103c_touchscreen_node,
297		},
298		.adapter_path = "\\_SB_.I2C6",
299		.irq_data = {
300			.type = X86_ACPI_IRQ_TYPE_GPIOINT,
301			.chip = "INT33FC:02",
302			.index = 28,
303			.trigger = ACPI_EDGE_SENSITIVE,
304			.polarity = ACPI_ACTIVE_LOW,
305			.con_id = "atmel_mxt_ts_irq",
306		},
307	},
308};
309
310const struct x86_dev_info asus_tf103c_info __initconst = {
311	.i2c_client_info = asus_tf103c_i2c_clients,
312	.i2c_client_count = ARRAY_SIZE(asus_tf103c_i2c_clients),
313	.pdev_info = asus_me176c_tf103c_pdevs,
314	.pdev_count = ARRAY_SIZE(asus_me176c_tf103c_pdevs),
315	.gpio_button_swnodes = asus_me176c_tf103c_lid_swnodes,
316	.swnode_group = generic_lipo_4v2_battery_swnodes,
317	.modules = bq24190_modules,
318	.gpiochip_type = X86_GPIOCHIP_BAYTRAIL,
319};