1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Qualcomm SDM630/660 TLMM pinctrl
4 *
5 */
6
7 #include <dm.h>
8 #include "pinctrl-qcom.h"
9
10 #define TLMM_BASE 0x03100000
11 #define SOUTH (0x03100000 - TLMM_BASE) /* 0x0 */
12 #define CENTER (0x03500000 - TLMM_BASE) /* 0x400000 */
13 #define NORTH (0x03900000 - TLMM_BASE) /* 0x800000 */
14
15 #define MAX_PIN_NAME_LEN 32
16 static char pin_name[MAX_PIN_NAME_LEN] __section(".data");
17
18 static const struct pinctrl_function sdm660_pinctrl_functions[] = {
19 { "gpio", 0 },
20 { "blsp_uart2", 3 }, /* gpio 4 and 5, used for debug uart */
21 };
22
23 static const unsigned int sdm660_pin_offsets[] = {
24 [0] = SOUTH,
25 [1] = SOUTH,
26 [2] = SOUTH,
27 [3] = SOUTH,
28 [4] = NORTH,
29 [5] = SOUTH,
30 [6] = SOUTH,
31 [7] = SOUTH,
32 [8] = NORTH,
33 [9] = NORTH,
34 [10] = NORTH,
35 [11] = NORTH,
36 [12] = NORTH,
37 [13] = NORTH,
38 [14] = NORTH,
39 [15] = NORTH,
40 [16] = CENTER,
41 [17] = CENTER,
42 [18] = CENTER,
43 [19] = CENTER,
44 [20] = SOUTH,
45 [21] = SOUTH,
46 [22] = CENTER,
47 [23] = CENTER,
48 [24] = NORTH,
49 [25] = NORTH,
50 [26] = NORTH,
51 [27] = NORTH,
52 [28] = CENTER,
53 [29] = CENTER,
54 [30] = CENTER,
55 [31] = CENTER,
56 [32] = SOUTH,
57 [33] = SOUTH,
58 [34] = SOUTH,
59 [35] = SOUTH,
60 [36] = SOUTH,
61 [37] = SOUTH,
62 [38] = SOUTH,
63 [39] = SOUTH,
64 [40] = SOUTH,
65 [41] = SOUTH,
66 [42] = SOUTH,
67 [43] = SOUTH,
68 [44] = SOUTH,
69 [45] = SOUTH,
70 [46] = SOUTH,
71 [47] = SOUTH,
72 [48] = SOUTH,
73 [49] = SOUTH,
74 [50] = SOUTH,
75 [51] = SOUTH,
76 [52] = SOUTH,
77 [53] = NORTH,
78 [54] = NORTH,
79 [55] = SOUTH,
80 [56] = SOUTH,
81 [57] = SOUTH,
82 [58] = SOUTH,
83 [59] = NORTH,
84 [60] = NORTH,
85 [61] = NORTH,
86 [62] = NORTH,
87 [63] = NORTH,
88 [64] = SOUTH,
89 [65] = SOUTH,
90 [66] = NORTH,
91 [67] = NORTH,
92 [68] = NORTH,
93 [69] = NORTH,
94 [70] = NORTH,
95 [71] = NORTH,
96 [72] = NORTH,
97 [73] = NORTH,
98 [74] = NORTH,
99 [75] = NORTH,
100 [76] = NORTH,
101 [77] = NORTH,
102 [78] = NORTH,
103 [79] = SOUTH,
104 [80] = SOUTH,
105 [81] = CENTER,
106 [82] = CENTER,
107 [83] = SOUTH,
108 [84] = SOUTH,
109 [85] = SOUTH,
110 [86] = SOUTH,
111 [87] = SOUTH,
112 [88] = SOUTH,
113 [89] = SOUTH,
114 [90] = SOUTH,
115 [91] = SOUTH,
116 [92] = SOUTH,
117 [93] = SOUTH,
118 [94] = SOUTH,
119 [95] = SOUTH,
120 [96] = SOUTH,
121 [97] = SOUTH,
122 [98] = SOUTH,
123 [99] = SOUTH,
124 [100] = SOUTH,
125 [101] = SOUTH,
126 [102] = SOUTH,
127 [103] = SOUTH,
128 [104] = SOUTH,
129 [105] = SOUTH,
130 [106] = SOUTH,
131 [107] = SOUTH,
132 [108] = SOUTH,
133 [109] = SOUTH,
134 [110] = SOUTH,
135 [111] = SOUTH,
136 [112] = SOUTH,
137 [113] = SOUTH,
138 };
139
140 /*
141 * Special pins - eMMC/SD related: [114..120], in total 7 special pins
142 */
143
144 #define SDC_QDSD_PINGROUP(pg_name, ctl, pull, drv) \
145 { \
146 .name = pg_name, \
147 .ctl_reg = ctl, \
148 .io_reg = 0, \
149 .pull_bit = pull, \
150 .drv_bit = drv, \
151 .oe_bit = -1, \
152 .in_bit = -1, \
153 .out_bit = -1, \
154 }
155
156 /* All SDC pins are in the NORTH tile */
157 static const struct msm_special_pin_data sdm660_special_pins_data[] = {
158 SDC_QDSD_PINGROUP("sdc1_clk", NORTH + 0x9a000, 13, 6),
159 SDC_QDSD_PINGROUP("sdc1_cmd", NORTH + 0x9a000, 11, 3),
160 SDC_QDSD_PINGROUP("sdc1_data", NORTH + 0x9a000, 9, 0),
161 SDC_QDSD_PINGROUP("sdc2_clk", NORTH + 0x9b000, 14, 6),
162 SDC_QDSD_PINGROUP("sdc2_cmd", NORTH + 0x9b000, 11, 3),
163 SDC_QDSD_PINGROUP("sdc2_data", NORTH + 0x9b000, 9, 0),
164 SDC_QDSD_PINGROUP("sdc1_rclk", NORTH + 0x9a000, 15, 0),
165 };
166
sdm660_get_function_name(struct udevice * dev,unsigned int selector)167 static const char *sdm660_get_function_name(struct udevice *dev, unsigned int selector)
168 {
169 return sdm660_pinctrl_functions[selector].name;
170 }
171
sdm660_get_pin_name(struct udevice * dev,unsigned int selector)172 static const char *sdm660_get_pin_name(struct udevice *dev, unsigned int selector)
173 {
174 static const char * const special_pins_names[] = {
175 "sdc1_clk", "sdc1_cmd", "sdc1_data",
176 "sdc2_clk", "sdc2_cmd", "sdc2_data",
177 "sdc1_rclk"
178 };
179
180 if (selector >= 114 && selector <= 120)
181 snprintf(pin_name, MAX_PIN_NAME_LEN, special_pins_names[selector - 114]);
182 else
183 snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);
184
185 return pin_name;
186 }
187
sdm660_get_function_mux(__maybe_unused unsigned int pin,unsigned int selector)188 static int sdm660_get_function_mux(__maybe_unused unsigned int pin, unsigned int selector)
189 {
190 if (selector >= 0 && selector < ARRAY_SIZE(sdm660_pinctrl_functions))
191 return sdm660_pinctrl_functions[selector].val;
192 return -EINVAL;
193 }
194
195 struct msm_pinctrl_data sdm660_data = {
196 .pin_data = {
197 .pin_offsets = sdm660_pin_offsets,
198 .pin_count = ARRAY_SIZE(sdm660_pin_offsets) + ARRAY_SIZE(sdm660_special_pins_data),
199 .special_pins_start = 114,
200 .special_pins_data = sdm660_special_pins_data,
201 },
202 .functions_count = ARRAY_SIZE(sdm660_pinctrl_functions),
203 .get_function_name = sdm660_get_function_name,
204 .get_function_mux = sdm660_get_function_mux,
205 .get_pin_name = sdm660_get_pin_name,
206 };
207
208 static const struct udevice_id msm_pinctrl_ids[] = {
209 {
210 .compatible = "qcom,sdm630-pinctrl",
211 .data = (ulong)&sdm660_data
212 },
213 {
214 .compatible = "qcom,sdm660-pinctrl",
215 .data = (ulong)&sdm660_data
216 },
217 { /* Sentinel */ }
218 };
219
220 U_BOOT_DRIVER(pinctrl_ssdm660) = {
221 .name = "pinctrl_sdm660",
222 .id = UCLASS_NOP,
223 .of_match = msm_pinctrl_ids,
224 .ops = &msm_pinctrl_ops,
225 .bind = msm_pinctrl_bind,
226 };
227