Commit | Line | Data |
---|---|---|
e98ea774 LW |
1 | #ifndef PINCTRL_PINCTRL_NOMADIK_H |
2 | #define PINCTRL_PINCTRL_NOMADIK_H | |
3 | ||
bb16bd9b | 4 | #include <linux/platform_data/pinctrl-nomadik.h> |
e98ea774 LW |
5 | |
6 | /* Package definitions */ | |
7 | #define PINCTRL_NMK_STN8815 0 | |
8 | #define PINCTRL_NMK_DB8500 1 | |
45a1b531 | 9 | #define PINCTRL_NMK_DB8540 2 |
e98ea774 | 10 | |
c22df08c JNG |
11 | #define PRCM_GPIOCR_ALTCX(pin_num,\ |
12 | altc1_used, altc1_ri, altc1_cb,\ | |
13 | altc2_used, altc2_ri, altc2_cb,\ | |
14 | altc3_used, altc3_ri, altc3_cb,\ | |
15 | altc4_used, altc4_ri, altc4_cb)\ | |
16 | {\ | |
17 | .pin = pin_num,\ | |
18 | .altcx[PRCM_IDX_GPIOCR_ALTC1] = {\ | |
19 | .used = altc1_used,\ | |
20 | .reg_index = altc1_ri,\ | |
21 | .control_bit = altc1_cb\ | |
22 | },\ | |
23 | .altcx[PRCM_IDX_GPIOCR_ALTC2] = {\ | |
24 | .used = altc2_used,\ | |
25 | .reg_index = altc2_ri,\ | |
26 | .control_bit = altc2_cb\ | |
27 | },\ | |
28 | .altcx[PRCM_IDX_GPIOCR_ALTC3] = {\ | |
29 | .used = altc3_used,\ | |
30 | .reg_index = altc3_ri,\ | |
31 | .control_bit = altc3_cb\ | |
32 | },\ | |
33 | .altcx[PRCM_IDX_GPIOCR_ALTC4] = {\ | |
34 | .used = altc4_used,\ | |
35 | .reg_index = altc4_ri,\ | |
36 | .control_bit = altc4_cb\ | |
37 | },\ | |
38 | } | |
39 | ||
40 | /** | |
41 | * enum prcm_gpiocr_reg_index | |
42 | * Used to reference an PRCM GPIOCR register address. | |
43 | */ | |
44 | enum prcm_gpiocr_reg_index { | |
45 | PRCM_IDX_GPIOCR1, | |
46 | PRCM_IDX_GPIOCR2, | |
47 | PRCM_IDX_GPIOCR3 | |
48 | }; | |
49 | /** | |
50 | * enum prcm_gpiocr_altcx_index | |
51 | * Used to reference an Other alternate-C function. | |
52 | */ | |
53 | enum prcm_gpiocr_altcx_index { | |
54 | PRCM_IDX_GPIOCR_ALTC1, | |
55 | PRCM_IDX_GPIOCR_ALTC2, | |
56 | PRCM_IDX_GPIOCR_ALTC3, | |
57 | PRCM_IDX_GPIOCR_ALTC4, | |
58 | PRCM_IDX_GPIOCR_ALTC_MAX, | |
59 | }; | |
60 | ||
61 | /** | |
62 | * struct prcm_gpio_altcx - Other alternate-C function | |
63 | * @used: other alternate-C function availability | |
64 | * @reg_index: PRCM GPIOCR register index used to control the function | |
65 | * @control_bit: PRCM GPIOCR bit used to control the function | |
66 | */ | |
67 | struct prcm_gpiocr_altcx { | |
68 | bool used:1; | |
69 | u8 reg_index:2; | |
70 | u8 control_bit:5; | |
71 | } __packed; | |
72 | ||
73 | /** | |
74 | * struct prcm_gpio_altcx_pin_desc - Other alternate-C pin | |
75 | * @pin: The pin number | |
76 | * @altcx: array of other alternate-C[1-4] functions | |
77 | */ | |
78 | struct prcm_gpiocr_altcx_pin_desc { | |
79 | unsigned short pin; | |
80 | struct prcm_gpiocr_altcx altcx[PRCM_IDX_GPIOCR_ALTC_MAX]; | |
81 | }; | |
82 | ||
dbfe8ca2 LW |
83 | /** |
84 | * struct nmk_function - Nomadik pinctrl mux function | |
85 | * @name: The name of the function, exported to pinctrl core. | |
86 | * @groups: An array of pin groups that may select this function. | |
87 | * @ngroups: The number of entries in @groups. | |
88 | */ | |
89 | struct nmk_function { | |
90 | const char *name; | |
91 | const char * const *groups; | |
92 | unsigned ngroups; | |
93 | }; | |
94 | ||
e98ea774 LW |
95 | /** |
96 | * struct nmk_pingroup - describes a Nomadik pin group | |
97 | * @name: the name of this specific pin group | |
98 | * @pins: an array of discrete physical pins used in this group, taken | |
99 | * from the driver-local pin enumeration space | |
100 | * @num_pins: the number of pins in this group array, i.e. the number of | |
101 | * elements in .pins so we can iterate over that array | |
102 | * @altsetting: the altsetting to apply to all pins in this group to | |
103 | * configure them to be used by a function | |
104 | */ | |
105 | struct nmk_pingroup { | |
106 | const char *name; | |
107 | const unsigned int *pins; | |
108 | const unsigned npins; | |
dbfe8ca2 | 109 | int altsetting; |
e98ea774 LW |
110 | }; |
111 | ||
112 | /** | |
113 | * struct nmk_pinctrl_soc_data - Nomadik pin controller per-SoC configuration | |
114 | * @gpio_ranges: An array of GPIO ranges for this SoC | |
115 | * @gpio_num_ranges: The number of GPIO ranges for this SoC | |
116 | * @pins: An array describing all pins the pin controller affects. | |
117 | * All pins which are also GPIOs must be listed first within the | |
118 | * array, and be numbered identically to the GPIO controller's | |
119 | * numbering. | |
dbfe8ca2 LW |
120 | * @npins: The number of entries in @pins. |
121 | * @functions: The functions supported on this SoC. | |
122 | * @nfunction: The number of entries in @functions. | |
e98ea774 LW |
123 | * @groups: An array describing all pin groups the pin SoC supports. |
124 | * @ngroups: The number of entries in @groups. | |
c22df08c JNG |
125 | * @altcx_pins: The pins that support Other alternate-C function on this SoC |
126 | * @npins_altcx: The number of Other alternate-C pins | |
127 | * @prcm_gpiocr_registers: The array of PRCM GPIOCR registers on this SoC | |
e98ea774 LW |
128 | */ |
129 | struct nmk_pinctrl_soc_data { | |
130 | struct pinctrl_gpio_range *gpio_ranges; | |
131 | unsigned gpio_num_ranges; | |
132 | const struct pinctrl_pin_desc *pins; | |
133 | unsigned npins; | |
dbfe8ca2 LW |
134 | const struct nmk_function *functions; |
135 | unsigned nfunctions; | |
e98ea774 LW |
136 | const struct nmk_pingroup *groups; |
137 | unsigned ngroups; | |
c22df08c JNG |
138 | const struct prcm_gpiocr_altcx_pin_desc *altcx_pins; |
139 | unsigned npins_altcx; | |
140 | const u16 *prcm_gpiocr_registers; | |
e98ea774 LW |
141 | }; |
142 | ||
f79c5ed9 LW |
143 | #ifdef CONFIG_PINCTRL_STN8815 |
144 | ||
145 | void nmk_pinctrl_stn8815_init(const struct nmk_pinctrl_soc_data **soc); | |
146 | ||
147 | #else | |
148 | ||
149 | static inline void | |
150 | nmk_pinctrl_stn8815_init(const struct nmk_pinctrl_soc_data **soc) | |
151 | { | |
152 | } | |
153 | ||
154 | #endif | |
155 | ||
e98ea774 LW |
156 | #ifdef CONFIG_PINCTRL_DB8500 |
157 | ||
158 | void nmk_pinctrl_db8500_init(const struct nmk_pinctrl_soc_data **soc); | |
159 | ||
160 | #else | |
161 | ||
162 | static inline void | |
163 | nmk_pinctrl_db8500_init(const struct nmk_pinctrl_soc_data **soc) | |
164 | { | |
165 | } | |
166 | ||
167 | #endif | |
168 | ||
45a1b531 PC |
169 | #ifdef CONFIG_PINCTRL_DB8540 |
170 | ||
171 | void nmk_pinctrl_db8540_init(const struct nmk_pinctrl_soc_data **soc); | |
172 | ||
173 | #else | |
174 | ||
175 | static inline void | |
176 | nmk_pinctrl_db8540_init(const struct nmk_pinctrl_soc_data **soc) | |
177 | { | |
178 | } | |
179 | ||
180 | #endif | |
181 | ||
e98ea774 | 182 | #endif /* PINCTRL_PINCTRL_NOMADIK_H */ |