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1// SPDX-License-Identifier: GPL-2.02#include <linux/kernel.h>3#include <linux/types.h>4 5#include <linux/pinctrl/pinctrl.h>6#include <linux/gpio/driver.h>7 8#include <linux/gpio/gpio-nomadik.h>9 10/* All the pins that can be used for GPIO and some other functions */11#define _GPIO(offset) (offset)12 13#define STN8815_PIN_B4 _GPIO(0)14#define STN8815_PIN_D5 _GPIO(1)15#define STN8815_PIN_C5 _GPIO(2)16#define STN8815_PIN_A4 _GPIO(3)17#define STN8815_PIN_B5 _GPIO(4)18#define STN8815_PIN_D6 _GPIO(5)19#define STN8815_PIN_C6 _GPIO(6)20#define STN8815_PIN_B6 _GPIO(7)21#define STN8815_PIN_B10 _GPIO(8)22#define STN8815_PIN_A10 _GPIO(9)23#define STN8815_PIN_C11 _GPIO(10)24#define STN8815_PIN_B11 _GPIO(11)25#define STN8815_PIN_A11 _GPIO(12)26#define STN8815_PIN_C12 _GPIO(13)27#define STN8815_PIN_B12 _GPIO(14)28#define STN8815_PIN_A12 _GPIO(15)29#define STN8815_PIN_C13 _GPIO(16)30#define STN8815_PIN_B13 _GPIO(17)31#define STN8815_PIN_A13 _GPIO(18)32#define STN8815_PIN_D13 _GPIO(19)33#define STN8815_PIN_C14 _GPIO(20)34#define STN8815_PIN_B14 _GPIO(21)35#define STN8815_PIN_A14 _GPIO(22)36#define STN8815_PIN_D15 _GPIO(23)37#define STN8815_PIN_C15 _GPIO(24)38#define STN8815_PIN_B15 _GPIO(25)39#define STN8815_PIN_A15 _GPIO(26)40#define STN8815_PIN_C16 _GPIO(27)41#define STN8815_PIN_B16 _GPIO(28)42#define STN8815_PIN_A16 _GPIO(29)43#define STN8815_PIN_D17 _GPIO(30)44#define STN8815_PIN_C17 _GPIO(31)45#define STN8815_PIN_AB6 _GPIO(32)46#define STN8815_PIN_AA6 _GPIO(33)47#define STN8815_PIN_Y6 _GPIO(34)48#define STN8815_PIN_Y5 _GPIO(35)49#define STN8815_PIN_AA5 _GPIO(36)50#define STN8815_PIN_AB5 _GPIO(37)51#define STN8815_PIN_AB4 _GPIO(38)52#define STN8815_PIN_Y4 _GPIO(39)53#define STN8815_PIN_R1 _GPIO(40)54#define STN8815_PIN_R2 _GPIO(41)55#define STN8815_PIN_R3 _GPIO(42)56#define STN8815_PIN_P1 _GPIO(43)57#define STN8815_PIN_P2 _GPIO(44)58#define STN8815_PIN_P3 _GPIO(45)59#define STN8815_PIN_N1 _GPIO(46)60#define STN8815_PIN_N2 _GPIO(47)61#define STN8815_PIN_N3 _GPIO(48)62#define STN8815_PIN_M1 _GPIO(49)63#define STN8815_PIN_M3 _GPIO(50)64#define STN8815_PIN_M2 _GPIO(51)65#define STN8815_PIN_L1 _GPIO(52)66#define STN8815_PIN_L4 _GPIO(53)67#define STN8815_PIN_L3 _GPIO(54)68#define STN8815_PIN_L2 _GPIO(55)69#define STN8815_PIN_F3 _GPIO(56)70#define STN8815_PIN_F2 _GPIO(57)71#define STN8815_PIN_E1 _GPIO(58)72#define STN8815_PIN_E3 _GPIO(59)73#define STN8815_PIN_E2 _GPIO(60)74#define STN8815_PIN_E4 _GPIO(61)75#define STN8815_PIN_D3 _GPIO(62)76#define STN8815_PIN_D2 _GPIO(63)77#define STN8815_PIN_F21 _GPIO(64)78#define STN8815_PIN_F20 _GPIO(65)79#define STN8815_PIN_E22 _GPIO(66)80#define STN8815_PIN_D22 _GPIO(67)81#define STN8815_PIN_E21 _GPIO(68)82#define STN8815_PIN_E20 _GPIO(69)83#define STN8815_PIN_C22 _GPIO(70)84#define STN8815_PIN_D21 _GPIO(71)85#define STN8815_PIN_D20 _GPIO(72)86#define STN8815_PIN_C21 _GPIO(73)87#define STN8815_PIN_C20 _GPIO(74)88#define STN8815_PIN_C19 _GPIO(75)89#define STN8815_PIN_B20 _GPIO(76)90#define STN8815_PIN_B8 _GPIO(77)91#define STN8815_PIN_A8 _GPIO(78)92#define STN8815_PIN_C9 _GPIO(79)93#define STN8815_PIN_B9 _GPIO(80)94#define STN8815_PIN_A9 _GPIO(81)95#define STN8815_PIN_C10 _GPIO(82)96#define STN8815_PIN_K1 _GPIO(83)97#define STN8815_PIN_K3 _GPIO(84)98#define STN8815_PIN_K2 _GPIO(85)99#define STN8815_PIN_J1 _GPIO(86)100#define STN8815_PIN_J3 _GPIO(87)101#define STN8815_PIN_J2 _GPIO(88)102#define STN8815_PIN_H1 _GPIO(89)103#define STN8815_PIN_H3 _GPIO(90)104#define STN8815_PIN_H2 _GPIO(91)105#define STN8815_PIN_G1 _GPIO(92)106#define STN8815_PIN_G3 _GPIO(93)107#define STN8815_PIN_G2 _GPIO(94)108#define STN8815_PIN_F1 _GPIO(95)109#define STN8815_PIN_T20 _GPIO(96)110#define STN8815_PIN_R21 _GPIO(97)111#define STN8815_PIN_R20 _GPIO(98)112#define STN8815_PIN_U22 _GPIO(99)113#define STN8815_PIN_N21 _GPIO(100)114#define STN8815_PIN_N20 _GPIO(101)115#define STN8815_PIN_P22 _GPIO(102)116#define STN8815_PIN_N22 _GPIO(103)117#define STN8815_PIN_V22 _GPIO(104)118#define STN8815_PIN_V21 _GPIO(105)119#define STN8815_PIN_K22 _GPIO(106)120#define STN8815_PIN_K21 _GPIO(107)121#define STN8815_PIN_H20 _GPIO(108)122#define STN8815_PIN_G20 _GPIO(109)123#define STN8815_PIN_L21 _GPIO(110)124#define STN8815_PIN_H21 _GPIO(111)125#define STN8815_PIN_J21 _GPIO(112)126#define STN8815_PIN_H22 _GPIO(113)127#define STN8815_PIN_K20 _GPIO(114)128#define STN8815_PIN_L22 _GPIO(115)129#define STN8815_PIN_G21 _GPIO(116)130#define STN8815_PIN_J20 _GPIO(117)131#define STN8815_PIN_G22 _GPIO(118)132#define STN8815_PIN_U19 _GPIO(119)133#define STN8815_PIN_G19 _GPIO(120)134#define STN8815_PIN_M22 _GPIO(121)135#define STN8815_PIN_M19 _GPIO(122)136#define STN8815_PIN_J22 _GPIO(123)137/* GPIOs 124-127 not routed to pins */138 139/*140 * The names of the pins are denoted by GPIO number and ball name, even141 * though they can be used for other things than GPIO, this is the first142 * column in the table of the data sheet and often used on schematics and143 * such.144 */145static const struct pinctrl_pin_desc nmk_stn8815_pins[] = {146 PINCTRL_PIN(STN8815_PIN_B4, "GPIO0_B4"),147 PINCTRL_PIN(STN8815_PIN_D5, "GPIO1_D5"),148 PINCTRL_PIN(STN8815_PIN_C5, "GPIO2_C5"),149 PINCTRL_PIN(STN8815_PIN_A4, "GPIO3_A4"),150 PINCTRL_PIN(STN8815_PIN_B5, "GPIO4_B5"),151 PINCTRL_PIN(STN8815_PIN_D6, "GPIO5_D6"),152 PINCTRL_PIN(STN8815_PIN_C6, "GPIO6_C6"),153 PINCTRL_PIN(STN8815_PIN_B6, "GPIO7_B6"),154 PINCTRL_PIN(STN8815_PIN_B10, "GPIO8_B10"),155 PINCTRL_PIN(STN8815_PIN_A10, "GPIO9_A10"),156 PINCTRL_PIN(STN8815_PIN_C11, "GPIO10_C11"),157 PINCTRL_PIN(STN8815_PIN_B11, "GPIO11_B11"),158 PINCTRL_PIN(STN8815_PIN_A11, "GPIO12_A11"),159 PINCTRL_PIN(STN8815_PIN_C12, "GPIO13_C12"),160 PINCTRL_PIN(STN8815_PIN_B12, "GPIO14_B12"),161 PINCTRL_PIN(STN8815_PIN_A12, "GPIO15_A12"),162 PINCTRL_PIN(STN8815_PIN_C13, "GPIO16_C13"),163 PINCTRL_PIN(STN8815_PIN_B13, "GPIO17_B13"),164 PINCTRL_PIN(STN8815_PIN_A13, "GPIO18_A13"),165 PINCTRL_PIN(STN8815_PIN_D13, "GPIO19_D13"),166 PINCTRL_PIN(STN8815_PIN_C14, "GPIO20_C14"),167 PINCTRL_PIN(STN8815_PIN_B14, "GPIO21_B14"),168 PINCTRL_PIN(STN8815_PIN_A14, "GPIO22_A14"),169 PINCTRL_PIN(STN8815_PIN_D15, "GPIO23_D15"),170 PINCTRL_PIN(STN8815_PIN_C15, "GPIO24_C15"),171 PINCTRL_PIN(STN8815_PIN_B15, "GPIO25_B15"),172 PINCTRL_PIN(STN8815_PIN_A15, "GPIO26_A15"),173 PINCTRL_PIN(STN8815_PIN_C16, "GPIO27_C16"),174 PINCTRL_PIN(STN8815_PIN_B16, "GPIO28_B16"),175 PINCTRL_PIN(STN8815_PIN_A16, "GPIO29_A16"),176 PINCTRL_PIN(STN8815_PIN_D17, "GPIO30_D17"),177 PINCTRL_PIN(STN8815_PIN_C17, "GPIO31_C17"),178 PINCTRL_PIN(STN8815_PIN_AB6, "GPIO32_AB6"),179 PINCTRL_PIN(STN8815_PIN_AA6, "GPIO33_AA6"),180 PINCTRL_PIN(STN8815_PIN_Y6, "GPIO34_Y6"),181 PINCTRL_PIN(STN8815_PIN_Y5, "GPIO35_Y5"),182 PINCTRL_PIN(STN8815_PIN_AA5, "GPIO36_AA5"),183 PINCTRL_PIN(STN8815_PIN_AB5, "GPIO37_AB5"),184 PINCTRL_PIN(STN8815_PIN_AB4, "GPIO38_AB4"),185 PINCTRL_PIN(STN8815_PIN_Y4, "GPIO39_Y4"),186 PINCTRL_PIN(STN8815_PIN_R1, "GPIO40_R1"),187 PINCTRL_PIN(STN8815_PIN_R2, "GPIO41_R2"),188 PINCTRL_PIN(STN8815_PIN_R3, "GPIO42_R3"),189 PINCTRL_PIN(STN8815_PIN_P1, "GPIO43_P1"),190 PINCTRL_PIN(STN8815_PIN_P2, "GPIO44_P2"),191 PINCTRL_PIN(STN8815_PIN_P3, "GPIO45_P3"),192 PINCTRL_PIN(STN8815_PIN_N1, "GPIO46_N1"),193 PINCTRL_PIN(STN8815_PIN_N2, "GPIO47_N2"),194 PINCTRL_PIN(STN8815_PIN_N3, "GPIO48_N3"),195 PINCTRL_PIN(STN8815_PIN_M1, "GPIO49_M1"),196 PINCTRL_PIN(STN8815_PIN_M3, "GPIO50_M3"),197 PINCTRL_PIN(STN8815_PIN_M2, "GPIO51_M2"),198 PINCTRL_PIN(STN8815_PIN_L1, "GPIO52_L1"),199 PINCTRL_PIN(STN8815_PIN_L4, "GPIO53_L4"),200 PINCTRL_PIN(STN8815_PIN_L3, "GPIO54_L3"),201 PINCTRL_PIN(STN8815_PIN_L2, "GPIO55_L2"),202 PINCTRL_PIN(STN8815_PIN_F3, "GPIO56_F3"),203 PINCTRL_PIN(STN8815_PIN_F2, "GPIO57_F2"),204 PINCTRL_PIN(STN8815_PIN_E1, "GPIO58_E1"),205 PINCTRL_PIN(STN8815_PIN_E3, "GPIO59_E3"),206 PINCTRL_PIN(STN8815_PIN_E2, "GPIO60_E2"),207 PINCTRL_PIN(STN8815_PIN_E4, "GPIO61_E4"),208 PINCTRL_PIN(STN8815_PIN_D3, "GPIO62_D3"),209 PINCTRL_PIN(STN8815_PIN_D2, "GPIO63_D2"),210 PINCTRL_PIN(STN8815_PIN_F21, "GPIO64_F21"),211 PINCTRL_PIN(STN8815_PIN_F20, "GPIO65_F20"),212 PINCTRL_PIN(STN8815_PIN_E22, "GPIO66_E22"),213 PINCTRL_PIN(STN8815_PIN_D22, "GPIO67_D22"),214 PINCTRL_PIN(STN8815_PIN_E21, "GPIO68_E21"),215 PINCTRL_PIN(STN8815_PIN_E20, "GPIO69_E20"),216 PINCTRL_PIN(STN8815_PIN_C22, "GPIO70_C22"),217 PINCTRL_PIN(STN8815_PIN_D21, "GPIO71_D21"),218 PINCTRL_PIN(STN8815_PIN_D20, "GPIO72_D20"),219 PINCTRL_PIN(STN8815_PIN_C21, "GPIO73_C21"),220 PINCTRL_PIN(STN8815_PIN_C20, "GPIO74_C20"),221 PINCTRL_PIN(STN8815_PIN_C19, "GPIO75_C19"),222 PINCTRL_PIN(STN8815_PIN_B20, "GPIO76_B20"),223 PINCTRL_PIN(STN8815_PIN_B8, "GPIO77_B8"),224 PINCTRL_PIN(STN8815_PIN_A8, "GPIO78_A8"),225 PINCTRL_PIN(STN8815_PIN_C9, "GPIO79_C9"),226 PINCTRL_PIN(STN8815_PIN_B9, "GPIO80_B9"),227 PINCTRL_PIN(STN8815_PIN_A9, "GPIO81_A9"),228 PINCTRL_PIN(STN8815_PIN_C10, "GPIO82_C10"),229 PINCTRL_PIN(STN8815_PIN_K1, "GPIO83_K1"),230 PINCTRL_PIN(STN8815_PIN_K3, "GPIO84_K3"),231 PINCTRL_PIN(STN8815_PIN_K2, "GPIO85_K2"),232 PINCTRL_PIN(STN8815_PIN_J1, "GPIO86_J1"),233 PINCTRL_PIN(STN8815_PIN_J3, "GPIO87_J3"),234 PINCTRL_PIN(STN8815_PIN_J2, "GPIO88_J2"),235 PINCTRL_PIN(STN8815_PIN_H1, "GPIO89_H1"),236 PINCTRL_PIN(STN8815_PIN_H3, "GPIO90_H3"),237 PINCTRL_PIN(STN8815_PIN_H2, "GPIO91_H2"),238 PINCTRL_PIN(STN8815_PIN_G1, "GPIO92_G1"),239 PINCTRL_PIN(STN8815_PIN_G3, "GPIO93_G3"),240 PINCTRL_PIN(STN8815_PIN_G2, "GPIO94_G2"),241 PINCTRL_PIN(STN8815_PIN_F1, "GPIO95_F1"),242 PINCTRL_PIN(STN8815_PIN_T20, "GPIO96_T20"),243 PINCTRL_PIN(STN8815_PIN_R21, "GPIO97_R21"),244 PINCTRL_PIN(STN8815_PIN_R20, "GPIO98_R20"),245 PINCTRL_PIN(STN8815_PIN_U22, "GPIO99_U22"),246 PINCTRL_PIN(STN8815_PIN_N21, "GPIO100_N21"),247 PINCTRL_PIN(STN8815_PIN_N20, "GPIO101_N20"),248 PINCTRL_PIN(STN8815_PIN_P22, "GPIO102_P22"),249 PINCTRL_PIN(STN8815_PIN_N22, "GPIO103_N22"),250 PINCTRL_PIN(STN8815_PIN_V22, "GPIO104_V22"),251 PINCTRL_PIN(STN8815_PIN_V21, "GPIO105_V21"),252 PINCTRL_PIN(STN8815_PIN_K22, "GPIO106_K22"),253 PINCTRL_PIN(STN8815_PIN_K21, "GPIO107_K21"),254 PINCTRL_PIN(STN8815_PIN_H20, "GPIO108_H20"),255 PINCTRL_PIN(STN8815_PIN_G20, "GPIO109_G20"),256 PINCTRL_PIN(STN8815_PIN_L21, "GPIO110_L21"),257 PINCTRL_PIN(STN8815_PIN_H21, "GPIO111_H21"),258 PINCTRL_PIN(STN8815_PIN_J21, "GPIO112_J21"),259 PINCTRL_PIN(STN8815_PIN_H22, "GPIO113_H22"),260 PINCTRL_PIN(STN8815_PIN_K20, "GPIO114_K20"),261 PINCTRL_PIN(STN8815_PIN_L22, "GPIO115_L22"),262 PINCTRL_PIN(STN8815_PIN_G21, "GPIO116_G21"),263 PINCTRL_PIN(STN8815_PIN_J20, "GPIO117_J20"),264 PINCTRL_PIN(STN8815_PIN_G22, "GPIO118_G22"),265 PINCTRL_PIN(STN8815_PIN_U19, "GPIO119_U19"),266 PINCTRL_PIN(STN8815_PIN_G19, "GPIO120_G19"),267 PINCTRL_PIN(STN8815_PIN_M22, "GPIO121_M22"),268 PINCTRL_PIN(STN8815_PIN_M19, "GPIO122_M19"),269 PINCTRL_PIN(STN8815_PIN_J22, "GPIO123_J22"),270};271 272/*273 * Read the pin group names like this:274 * u0_a_1 = first groups of pins for uart0 on alt function a275 * i2c2_b_2 = second group of pins for i2c2 on alt function b276 */277 278/* Altfunction A */279static const unsigned u0txrx_a_1_pins[] = { STN8815_PIN_B4, STN8815_PIN_D5 };280static const unsigned u0ctsrts_a_1_pins[] = { STN8815_PIN_C5, STN8815_PIN_B6 };281/* Modem pins: DCD, DSR, RI, DTR */282static const unsigned u0modem_a_1_pins[] = { STN8815_PIN_A4, STN8815_PIN_B5,283 STN8815_PIN_D6, STN8815_PIN_C6 };284static const unsigned mmcsd_a_1_pins[] = { STN8815_PIN_B10, STN8815_PIN_A10,285 STN8815_PIN_C11, STN8815_PIN_B11, STN8815_PIN_A11, STN8815_PIN_C12,286 STN8815_PIN_B12, STN8815_PIN_A12, STN8815_PIN_C13, STN8815_PIN_C15 };287static const unsigned mmcsd_b_1_pins[] = { STN8815_PIN_D15 };288static const unsigned u1_a_1_pins[] = { STN8815_PIN_M2, STN8815_PIN_L1,289 STN8815_PIN_F3, STN8815_PIN_F2 };290static const unsigned i2c1_a_1_pins[] = { STN8815_PIN_L4, STN8815_PIN_L3 };291static const unsigned i2c0_a_1_pins[] = { STN8815_PIN_D3, STN8815_PIN_D2 };292/* Altfunction B */293static const unsigned u1_b_1_pins[] = { STN8815_PIN_B16, STN8815_PIN_A16 };294static const unsigned i2cusb_b_1_pins[] = { STN8815_PIN_C21, STN8815_PIN_C20 };295static const unsigned clcd_16_23_b_1_pins[] = { STN8815_PIN_AB6,296 STN8815_PIN_AA6, STN8815_PIN_Y6, STN8815_PIN_Y5, STN8815_PIN_AA5,297 STN8815_PIN_AB5, STN8815_PIN_AB4, STN8815_PIN_Y4 };298/* Full-speed and high-speed USB pins */299static const unsigned usbfs_b_1_pins[] = { STN8815_PIN_E21, STN8815_PIN_E20,300 STN8815_PIN_C22, STN8815_PIN_D21,301 STN8815_PIN_D20, STN8815_PIN_C21,302 STN8815_PIN_C20 };303static const unsigned usbhs_c_1_pins[] = { STN8815_PIN_E21, STN8815_PIN_E20,304 STN8815_PIN_C20, STN8815_PIN_C19,305 STN8815_PIN_C22, STN8815_PIN_D21,306 STN8815_PIN_D20, STN8815_PIN_C21,307 STN8815_PIN_C16, STN8815_PIN_A15,308 STN8815_PIN_D17, STN8815_PIN_C17 };309 310static const struct nmk_pingroup nmk_stn8815_groups[] = {311 NMK_PIN_GROUP(u0txrx_a_1, NMK_GPIO_ALT_A),312 NMK_PIN_GROUP(u0ctsrts_a_1, NMK_GPIO_ALT_A),313 NMK_PIN_GROUP(u0modem_a_1, NMK_GPIO_ALT_A),314 NMK_PIN_GROUP(mmcsd_a_1, NMK_GPIO_ALT_A),315 NMK_PIN_GROUP(mmcsd_b_1, NMK_GPIO_ALT_B),316 NMK_PIN_GROUP(u1_a_1, NMK_GPIO_ALT_A),317 NMK_PIN_GROUP(i2c1_a_1, NMK_GPIO_ALT_A),318 NMK_PIN_GROUP(i2c0_a_1, NMK_GPIO_ALT_A),319 NMK_PIN_GROUP(u1_b_1, NMK_GPIO_ALT_B),320 NMK_PIN_GROUP(i2cusb_b_1, NMK_GPIO_ALT_B),321 NMK_PIN_GROUP(clcd_16_23_b_1, NMK_GPIO_ALT_B),322 NMK_PIN_GROUP(usbfs_b_1, NMK_GPIO_ALT_B),323 NMK_PIN_GROUP(usbhs_c_1, NMK_GPIO_ALT_C),324};325 326/* We use this macro to define the groups applicable to a function */327#define STN8815_FUNC_GROUPS(a, b...) \328static const char * const a##_groups[] = { b };329 330STN8815_FUNC_GROUPS(u0, "u0txrx_a_1", "u0ctsrts_a_1", "u0modem_a_1");331STN8815_FUNC_GROUPS(mmcsd, "mmcsd_a_1", "mmcsd_b_1");332STN8815_FUNC_GROUPS(u1, "u1_a_1", "u1_b_1");333STN8815_FUNC_GROUPS(i2c1, "i2c1_a_1");334STN8815_FUNC_GROUPS(i2c0, "i2c0_a_1");335STN8815_FUNC_GROUPS(i2cusb, "i2cusb_b_1");336STN8815_FUNC_GROUPS(clcd, "clcd_16_23_b_1");337STN8815_FUNC_GROUPS(usb, "usbfs_b_1", "usbhs_c_1");338 339#define FUNCTION(fname) \340 { \341 .name = #fname, \342 .groups = fname##_groups, \343 .ngroups = ARRAY_SIZE(fname##_groups), \344 }345 346static const struct nmk_function nmk_stn8815_functions[] = {347 FUNCTION(u0),348 FUNCTION(mmcsd),349 FUNCTION(u1),350 FUNCTION(i2c1),351 FUNCTION(i2c0),352 FUNCTION(i2cusb),353 FUNCTION(clcd),354 FUNCTION(usb),355};356 357static const struct nmk_pinctrl_soc_data nmk_stn8815_soc = {358 .pins = nmk_stn8815_pins,359 .npins = ARRAY_SIZE(nmk_stn8815_pins),360 .functions = nmk_stn8815_functions,361 .nfunctions = ARRAY_SIZE(nmk_stn8815_functions),362 .groups = nmk_stn8815_groups,363 .ngroups = ARRAY_SIZE(nmk_stn8815_groups),364};365 366void nmk_pinctrl_stn8815_init(const struct nmk_pinctrl_soc_data **soc)367{368 *soc = &nmk_stn8815_soc;369}370