2 * Core pinctrl/GPIO driver for Intel GPIO controllers
4 * Copyright (C) 2015, Intel Corporation
5 * Authors: Mathias Nyman <mathias.nyman@linux.intel.com>
6 * Mika Westerberg <mika.westerberg@linux.intel.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #ifndef PINCTRL_INTEL_H
14 #define PINCTRL_INTEL_H
16 struct pinctrl_pin_desc;
17 struct platform_device;
21 * struct intel_pingroup - Description about group of pins
22 * @name: Name of the groups
23 * @pins: All pins in this group
24 * @npins: Number of pins in this groups
25 * @mode: Native mode in which the group is muxed out @pins
27 struct intel_pingroup {
35 * struct intel_function - Description about a function
36 * @name: Name of the function
37 * @groups: An array of groups for this function
38 * @ngroups: Number of groups in @groups
40 struct intel_function {
42 const char * const *groups;
47 * struct intel_community - Intel pin community description
48 * @barno: MMIO BAR number where registers for this community reside
49 * @padown_offset: Register offset of PAD_OWN register from @regs. If %0
50 * then there is no support for owner.
51 * @padcfglock_offset: Register offset of PADCFGLOCK from @regs. If %0 then
52 * locking is not supported.
53 * @hostown_offset: Register offset of HOSTSW_OWN from @regs. If %0 then it
54 * is assumed that the host owns the pin (rather than
56 * @ie_offset: Register offset of GPI_IE from @regs.
57 * @pin_base: Starting pin of pins in this community
58 * @gpp_size: Maximum number of pads in each group, such as PADCFGLOCK,
59 * HOSTSW_OWN, GPI_IS, GPI_IE, etc.
60 * @npins: Number of pins in this community
61 * @features: Additional features supported by the hardware
62 * @regs: Community specific common registers (reserved for core driver)
63 * @pad_regs: Community specific pad registers (reserved for core driver)
64 * @ngpps: Number of groups (hw groups) in this community (reserved for
67 struct intel_community {
69 unsigned padown_offset;
70 unsigned padcfglock_offset;
71 unsigned hostown_offset;
78 void __iomem *pad_regs;
82 /* Additional features supported by the hardware */
83 #define PINCTRL_FEATURE_DEBOUNCE BIT(0)
84 #define PINCTRL_FEATURE_1K_PD BIT(1)
86 #define PIN_GROUP(n, p, m) \
90 .npins = ARRAY_SIZE((p)), \
94 #define FUNCTION(n, g) \
98 .ngroups = ARRAY_SIZE((g)), \
102 * struct intel_pinctrl_soc_data - Intel pin controller per-SoC configuration
103 * @uid: ACPI _UID for the probe driver use if needed
104 * @pins: Array if pins this pinctrl controls
105 * @npins: Number of pins in the array
106 * @groups: Array of pin groups
107 * @ngroups: Number of groups in the array
108 * @functions: Array of functions
109 * @nfunctions: Number of functions in the array
110 * @communities: Array of communities this pinctrl handles
111 * @ncommunities: Number of communities in the array
113 * The @communities is used as a template by the core driver. It will make
114 * copy of all communities and fill in rest of the information.
116 struct intel_pinctrl_soc_data {
118 const struct pinctrl_pin_desc *pins;
120 const struct intel_pingroup *groups;
122 const struct intel_function *functions;
124 const struct intel_community *communities;
128 int intel_pinctrl_probe(struct platform_device *pdev,
129 const struct intel_pinctrl_soc_data *soc_data);
130 #ifdef CONFIG_PM_SLEEP
131 int intel_pinctrl_suspend(struct device *dev);
132 int intel_pinctrl_resume(struct device *dev);
135 #endif /* PINCTRL_INTEL_H */