2 * Core pinctrl/GPIO driver for Intel GPIO controllers
4 * Copyright (C) 2015, Intel Corporation
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 * @npins: Number of pins in this community
59 * @regs: Community specific common registers (reserved for core driver)
60 * @pad_regs: Community specific pad registers (reserved for core driver)
61 * @ngpps: Number of groups (hw groups) in this community (reserved for
64 struct intel_community {
66 unsigned padown_offset;
67 unsigned padcfglock_offset;
68 unsigned hostown_offset;
73 void __iomem *pad_regs;
77 #define PIN_GROUP(n, p, m) \
81 .npins = ARRAY_SIZE((p)), \
85 #define FUNCTION(n, g) \
89 .ngroups = ARRAY_SIZE((g)), \
93 * struct intel_pinctrl_soc_data - Intel pin controller per-SoC configuration
94 * @uid: ACPI _UID for the probe driver use if needed
95 * @pins: Array if pins this pinctrl controls
96 * @npins: Number of pins in the array
97 * @groups: Array of pin groups
98 * @ngroups: Number of groups in the array
99 * @functions: Array of functions
100 * @nfunctions: Number of functions in the array
101 * @communities: Array of communities this pinctrl handles
102 * @ncommunities: Number of communities in the array
104 * The @communities is used as a template by the core driver. It will make
105 * copy of all communities and fill in rest of the information.
107 struct intel_pinctrl_soc_data {
109 const struct pinctrl_pin_desc *pins;
111 const struct intel_pingroup *groups;
113 const struct intel_function *functions;
115 const struct intel_community *communities;
119 int intel_pinctrl_probe(struct platform_device *pdev,
120 const struct intel_pinctrl_soc_data *soc_data);
121 int intel_pinctrl_remove(struct platform_device *pdev);
123 #ifdef CONFIG_PM_SLEEP
124 int intel_pinctrl_suspend(struct device *dev);
125 int intel_pinctrl_resume(struct device *dev);
128 #endif /* PINCTRL_INTEL_H */