2 * Intel LPSS PCI support.
4 * Copyright (C) 2015, Intel Corporation
6 * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
7 * Mika Westerberg <mika.westerberg@linux.intel.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include <linux/ioport.h>
15 #include <linux/kernel.h>
16 #include <linux/module.h>
17 #include <linux/pci.h>
19 #include <linux/pm_runtime.h>
20 #include <linux/property.h>
22 #include "intel-lpss.h"
24 static int intel_lpss_pci_probe(struct pci_dev
*pdev
,
25 const struct pci_device_id
*id
)
27 struct intel_lpss_platform_info
*info
;
30 ret
= pcim_enable_device(pdev
);
34 info
= devm_kmemdup(&pdev
->dev
, (void *)id
->driver_data
, sizeof(*info
),
39 info
->mem
= &pdev
->resource
[0];
40 info
->irq
= pdev
->irq
;
42 /* Probably it is enough to set this for iDMA capable devices only */
44 pci_try_set_mwi(pdev
);
46 ret
= intel_lpss_probe(&pdev
->dev
, info
);
50 pm_runtime_put(&pdev
->dev
);
51 pm_runtime_allow(&pdev
->dev
);
56 static void intel_lpss_pci_remove(struct pci_dev
*pdev
)
58 pm_runtime_forbid(&pdev
->dev
);
59 pm_runtime_get_sync(&pdev
->dev
);
61 intel_lpss_remove(&pdev
->dev
);
64 static INTEL_LPSS_PM_OPS(intel_lpss_pci_pm_ops
);
66 static const struct intel_lpss_platform_info spt_info
= {
67 .clk_rate
= 120000000,
70 static struct property_entry spt_i2c_properties
[] = {
71 PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 230),
75 static const struct intel_lpss_platform_info spt_i2c_info
= {
76 .clk_rate
= 120000000,
77 .properties
= spt_i2c_properties
,
80 static struct property_entry uart_properties
[] = {
81 PROPERTY_ENTRY_U32("reg-io-width", 4),
82 PROPERTY_ENTRY_U32("reg-shift", 2),
83 PROPERTY_ENTRY_BOOL("snps,uart-16550-compatible"),
87 static const struct intel_lpss_platform_info spt_uart_info
= {
88 .clk_rate
= 120000000,
89 .clk_con_id
= "baudclk",
90 .properties
= uart_properties
,
93 static const struct intel_lpss_platform_info bxt_info
= {
94 .clk_rate
= 100000000,
97 static const struct intel_lpss_platform_info bxt_uart_info
= {
98 .clk_rate
= 100000000,
99 .clk_con_id
= "baudclk",
100 .properties
= uart_properties
,
103 static struct property_entry bxt_i2c_properties
[] = {
104 PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 42),
105 PROPERTY_ENTRY_U32("i2c-sda-falling-time-ns", 171),
106 PROPERTY_ENTRY_U32("i2c-scl-falling-time-ns", 208),
110 static const struct intel_lpss_platform_info bxt_i2c_info
= {
111 .clk_rate
= 133000000,
112 .properties
= bxt_i2c_properties
,
115 static struct property_entry apl_i2c_properties
[] = {
116 PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 207),
117 PROPERTY_ENTRY_U32("i2c-sda-falling-time-ns", 171),
118 PROPERTY_ENTRY_U32("i2c-scl-falling-time-ns", 208),
122 static const struct intel_lpss_platform_info apl_i2c_info
= {
123 .clk_rate
= 133000000,
124 .properties
= apl_i2c_properties
,
127 static const struct intel_lpss_platform_info cnl_i2c_info
= {
128 .clk_rate
= 216000000,
129 .properties
= spt_i2c_properties
,
132 static const struct pci_device_id intel_lpss_pci_ids
[] = {
134 { PCI_VDEVICE(INTEL
, 0x0aac), (kernel_ulong_t
)&bxt_i2c_info
},
135 { PCI_VDEVICE(INTEL
, 0x0aae), (kernel_ulong_t
)&bxt_i2c_info
},
136 { PCI_VDEVICE(INTEL
, 0x0ab0), (kernel_ulong_t
)&bxt_i2c_info
},
137 { PCI_VDEVICE(INTEL
, 0x0ab2), (kernel_ulong_t
)&bxt_i2c_info
},
138 { PCI_VDEVICE(INTEL
, 0x0ab4), (kernel_ulong_t
)&bxt_i2c_info
},
139 { PCI_VDEVICE(INTEL
, 0x0ab6), (kernel_ulong_t
)&bxt_i2c_info
},
140 { PCI_VDEVICE(INTEL
, 0x0ab8), (kernel_ulong_t
)&bxt_i2c_info
},
141 { PCI_VDEVICE(INTEL
, 0x0aba), (kernel_ulong_t
)&bxt_i2c_info
},
142 { PCI_VDEVICE(INTEL
, 0x0abc), (kernel_ulong_t
)&bxt_uart_info
},
143 { PCI_VDEVICE(INTEL
, 0x0abe), (kernel_ulong_t
)&bxt_uart_info
},
144 { PCI_VDEVICE(INTEL
, 0x0ac0), (kernel_ulong_t
)&bxt_uart_info
},
145 { PCI_VDEVICE(INTEL
, 0x0ac2), (kernel_ulong_t
)&bxt_info
},
146 { PCI_VDEVICE(INTEL
, 0x0ac4), (kernel_ulong_t
)&bxt_info
},
147 { PCI_VDEVICE(INTEL
, 0x0ac6), (kernel_ulong_t
)&bxt_info
},
148 { PCI_VDEVICE(INTEL
, 0x0aee), (kernel_ulong_t
)&bxt_uart_info
},
150 { PCI_VDEVICE(INTEL
, 0x1aac), (kernel_ulong_t
)&bxt_i2c_info
},
151 { PCI_VDEVICE(INTEL
, 0x1aae), (kernel_ulong_t
)&bxt_i2c_info
},
152 { PCI_VDEVICE(INTEL
, 0x1ab0), (kernel_ulong_t
)&bxt_i2c_info
},
153 { PCI_VDEVICE(INTEL
, 0x1ab2), (kernel_ulong_t
)&bxt_i2c_info
},
154 { PCI_VDEVICE(INTEL
, 0x1ab4), (kernel_ulong_t
)&bxt_i2c_info
},
155 { PCI_VDEVICE(INTEL
, 0x1ab6), (kernel_ulong_t
)&bxt_i2c_info
},
156 { PCI_VDEVICE(INTEL
, 0x1ab8), (kernel_ulong_t
)&bxt_i2c_info
},
157 { PCI_VDEVICE(INTEL
, 0x1aba), (kernel_ulong_t
)&bxt_i2c_info
},
158 { PCI_VDEVICE(INTEL
, 0x1abc), (kernel_ulong_t
)&bxt_uart_info
},
159 { PCI_VDEVICE(INTEL
, 0x1abe), (kernel_ulong_t
)&bxt_uart_info
},
160 { PCI_VDEVICE(INTEL
, 0x1ac0), (kernel_ulong_t
)&bxt_uart_info
},
161 { PCI_VDEVICE(INTEL
, 0x1ac2), (kernel_ulong_t
)&bxt_info
},
162 { PCI_VDEVICE(INTEL
, 0x1ac4), (kernel_ulong_t
)&bxt_info
},
163 { PCI_VDEVICE(INTEL
, 0x1ac6), (kernel_ulong_t
)&bxt_info
},
164 { PCI_VDEVICE(INTEL
, 0x1aee), (kernel_ulong_t
)&bxt_uart_info
},
166 { PCI_VDEVICE(INTEL
, 0x31ac), (kernel_ulong_t
)&bxt_i2c_info
},
167 { PCI_VDEVICE(INTEL
, 0x31ae), (kernel_ulong_t
)&bxt_i2c_info
},
168 { PCI_VDEVICE(INTEL
, 0x31b0), (kernel_ulong_t
)&bxt_i2c_info
},
169 { PCI_VDEVICE(INTEL
, 0x31b2), (kernel_ulong_t
)&bxt_i2c_info
},
170 { PCI_VDEVICE(INTEL
, 0x31b4), (kernel_ulong_t
)&bxt_i2c_info
},
171 { PCI_VDEVICE(INTEL
, 0x31b6), (kernel_ulong_t
)&bxt_i2c_info
},
172 { PCI_VDEVICE(INTEL
, 0x31b8), (kernel_ulong_t
)&bxt_i2c_info
},
173 { PCI_VDEVICE(INTEL
, 0x31ba), (kernel_ulong_t
)&bxt_i2c_info
},
174 { PCI_VDEVICE(INTEL
, 0x31bc), (kernel_ulong_t
)&bxt_uart_info
},
175 { PCI_VDEVICE(INTEL
, 0x31be), (kernel_ulong_t
)&bxt_uart_info
},
176 { PCI_VDEVICE(INTEL
, 0x31c0), (kernel_ulong_t
)&bxt_uart_info
},
177 { PCI_VDEVICE(INTEL
, 0x31ee), (kernel_ulong_t
)&bxt_uart_info
},
178 { PCI_VDEVICE(INTEL
, 0x31c2), (kernel_ulong_t
)&bxt_info
},
179 { PCI_VDEVICE(INTEL
, 0x31c4), (kernel_ulong_t
)&bxt_info
},
180 { PCI_VDEVICE(INTEL
, 0x31c6), (kernel_ulong_t
)&bxt_info
},
182 { PCI_VDEVICE(INTEL
, 0x5aac), (kernel_ulong_t
)&apl_i2c_info
},
183 { PCI_VDEVICE(INTEL
, 0x5aae), (kernel_ulong_t
)&apl_i2c_info
},
184 { PCI_VDEVICE(INTEL
, 0x5ab0), (kernel_ulong_t
)&apl_i2c_info
},
185 { PCI_VDEVICE(INTEL
, 0x5ab2), (kernel_ulong_t
)&apl_i2c_info
},
186 { PCI_VDEVICE(INTEL
, 0x5ab4), (kernel_ulong_t
)&apl_i2c_info
},
187 { PCI_VDEVICE(INTEL
, 0x5ab6), (kernel_ulong_t
)&apl_i2c_info
},
188 { PCI_VDEVICE(INTEL
, 0x5ab8), (kernel_ulong_t
)&apl_i2c_info
},
189 { PCI_VDEVICE(INTEL
, 0x5aba), (kernel_ulong_t
)&apl_i2c_info
},
190 { PCI_VDEVICE(INTEL
, 0x5abc), (kernel_ulong_t
)&bxt_uart_info
},
191 { PCI_VDEVICE(INTEL
, 0x5abe), (kernel_ulong_t
)&bxt_uart_info
},
192 { PCI_VDEVICE(INTEL
, 0x5ac0), (kernel_ulong_t
)&bxt_uart_info
},
193 { PCI_VDEVICE(INTEL
, 0x5ac2), (kernel_ulong_t
)&bxt_info
},
194 { PCI_VDEVICE(INTEL
, 0x5ac4), (kernel_ulong_t
)&bxt_info
},
195 { PCI_VDEVICE(INTEL
, 0x5ac6), (kernel_ulong_t
)&bxt_info
},
196 { PCI_VDEVICE(INTEL
, 0x5aee), (kernel_ulong_t
)&bxt_uart_info
},
198 { PCI_VDEVICE(INTEL
, 0x9d27), (kernel_ulong_t
)&spt_uart_info
},
199 { PCI_VDEVICE(INTEL
, 0x9d28), (kernel_ulong_t
)&spt_uart_info
},
200 { PCI_VDEVICE(INTEL
, 0x9d29), (kernel_ulong_t
)&spt_info
},
201 { PCI_VDEVICE(INTEL
, 0x9d2a), (kernel_ulong_t
)&spt_info
},
202 { PCI_VDEVICE(INTEL
, 0x9d60), (kernel_ulong_t
)&spt_i2c_info
},
203 { PCI_VDEVICE(INTEL
, 0x9d61), (kernel_ulong_t
)&spt_i2c_info
},
204 { PCI_VDEVICE(INTEL
, 0x9d62), (kernel_ulong_t
)&spt_i2c_info
},
205 { PCI_VDEVICE(INTEL
, 0x9d63), (kernel_ulong_t
)&spt_i2c_info
},
206 { PCI_VDEVICE(INTEL
, 0x9d64), (kernel_ulong_t
)&spt_i2c_info
},
207 { PCI_VDEVICE(INTEL
, 0x9d65), (kernel_ulong_t
)&spt_i2c_info
},
208 { PCI_VDEVICE(INTEL
, 0x9d66), (kernel_ulong_t
)&spt_uart_info
},
210 { PCI_VDEVICE(INTEL
, 0x9da8), (kernel_ulong_t
)&spt_uart_info
},
211 { PCI_VDEVICE(INTEL
, 0x9da9), (kernel_ulong_t
)&spt_uart_info
},
212 { PCI_VDEVICE(INTEL
, 0x9daa), (kernel_ulong_t
)&spt_info
},
213 { PCI_VDEVICE(INTEL
, 0x9dab), (kernel_ulong_t
)&spt_info
},
214 { PCI_VDEVICE(INTEL
, 0x9dfb), (kernel_ulong_t
)&spt_info
},
215 { PCI_VDEVICE(INTEL
, 0x9dc5), (kernel_ulong_t
)&cnl_i2c_info
},
216 { PCI_VDEVICE(INTEL
, 0x9dc6), (kernel_ulong_t
)&cnl_i2c_info
},
217 { PCI_VDEVICE(INTEL
, 0x9dc7), (kernel_ulong_t
)&spt_uart_info
},
218 { PCI_VDEVICE(INTEL
, 0x9de8), (kernel_ulong_t
)&cnl_i2c_info
},
219 { PCI_VDEVICE(INTEL
, 0x9de9), (kernel_ulong_t
)&cnl_i2c_info
},
220 { PCI_VDEVICE(INTEL
, 0x9dea), (kernel_ulong_t
)&cnl_i2c_info
},
221 { PCI_VDEVICE(INTEL
, 0x9deb), (kernel_ulong_t
)&cnl_i2c_info
},
223 { PCI_VDEVICE(INTEL
, 0xa127), (kernel_ulong_t
)&spt_uart_info
},
224 { PCI_VDEVICE(INTEL
, 0xa128), (kernel_ulong_t
)&spt_uart_info
},
225 { PCI_VDEVICE(INTEL
, 0xa129), (kernel_ulong_t
)&spt_info
},
226 { PCI_VDEVICE(INTEL
, 0xa12a), (kernel_ulong_t
)&spt_info
},
227 { PCI_VDEVICE(INTEL
, 0xa160), (kernel_ulong_t
)&spt_i2c_info
},
228 { PCI_VDEVICE(INTEL
, 0xa161), (kernel_ulong_t
)&spt_i2c_info
},
229 { PCI_VDEVICE(INTEL
, 0xa162), (kernel_ulong_t
)&spt_i2c_info
},
230 { PCI_VDEVICE(INTEL
, 0xa166), (kernel_ulong_t
)&spt_uart_info
},
232 { PCI_VDEVICE(INTEL
, 0xa2a7), (kernel_ulong_t
)&spt_uart_info
},
233 { PCI_VDEVICE(INTEL
, 0xa2a8), (kernel_ulong_t
)&spt_uart_info
},
234 { PCI_VDEVICE(INTEL
, 0xa2a9), (kernel_ulong_t
)&spt_info
},
235 { PCI_VDEVICE(INTEL
, 0xa2aa), (kernel_ulong_t
)&spt_info
},
236 { PCI_VDEVICE(INTEL
, 0xa2e0), (kernel_ulong_t
)&spt_i2c_info
},
237 { PCI_VDEVICE(INTEL
, 0xa2e1), (kernel_ulong_t
)&spt_i2c_info
},
238 { PCI_VDEVICE(INTEL
, 0xa2e2), (kernel_ulong_t
)&spt_i2c_info
},
239 { PCI_VDEVICE(INTEL
, 0xa2e3), (kernel_ulong_t
)&spt_i2c_info
},
240 { PCI_VDEVICE(INTEL
, 0xa2e6), (kernel_ulong_t
)&spt_uart_info
},
242 { PCI_VDEVICE(INTEL
, 0xa328), (kernel_ulong_t
)&spt_uart_info
},
243 { PCI_VDEVICE(INTEL
, 0xa329), (kernel_ulong_t
)&spt_uart_info
},
244 { PCI_VDEVICE(INTEL
, 0xa32a), (kernel_ulong_t
)&spt_info
},
245 { PCI_VDEVICE(INTEL
, 0xa32b), (kernel_ulong_t
)&spt_info
},
246 { PCI_VDEVICE(INTEL
, 0xa37b), (kernel_ulong_t
)&spt_info
},
247 { PCI_VDEVICE(INTEL
, 0xa347), (kernel_ulong_t
)&spt_uart_info
},
248 { PCI_VDEVICE(INTEL
, 0xa368), (kernel_ulong_t
)&cnl_i2c_info
},
249 { PCI_VDEVICE(INTEL
, 0xa369), (kernel_ulong_t
)&cnl_i2c_info
},
250 { PCI_VDEVICE(INTEL
, 0xa36a), (kernel_ulong_t
)&cnl_i2c_info
},
251 { PCI_VDEVICE(INTEL
, 0xa36b), (kernel_ulong_t
)&cnl_i2c_info
},
254 MODULE_DEVICE_TABLE(pci
, intel_lpss_pci_ids
);
256 static struct pci_driver intel_lpss_pci_driver
= {
257 .name
= "intel-lpss",
258 .id_table
= intel_lpss_pci_ids
,
259 .probe
= intel_lpss_pci_probe
,
260 .remove
= intel_lpss_pci_remove
,
262 .pm
= &intel_lpss_pci_pm_ops
,
266 module_pci_driver(intel_lpss_pci_driver
);
268 MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
269 MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
270 MODULE_DESCRIPTION("Intel LPSS PCI driver");
271 MODULE_LICENSE("GPL v2");