cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

pinctrl-spear3xx.c (12599B)


      1/*
      2 * Driver for the ST Microelectronics SPEAr3xx pinmux
      3 *
      4 * Copyright (C) 2012 ST Microelectronics
      5 * Viresh Kumar <vireshk@kernel.org>
      6 *
      7 * This file is licensed under the terms of the GNU General Public
      8 * License version 2. This program is licensed "as is" without any
      9 * warranty of any kind, whether express or implied.
     10 */
     11
     12#include <linux/pinctrl/pinctrl.h>
     13
     14#include "pinctrl-spear3xx.h"
     15
     16/* pins */
     17static const struct pinctrl_pin_desc spear3xx_pins[] = {
     18	SPEAR_PIN_0_TO_101,
     19};
     20
     21/* firda_pins */
     22static const unsigned firda_pins[] = { 0, 1 };
     23static struct spear_muxreg firda_muxreg[] = {
     24	{
     25		.reg = -1,
     26		.mask = PMX_FIRDA_MASK,
     27		.val = PMX_FIRDA_MASK,
     28	},
     29};
     30
     31static struct spear_modemux firda_modemux[] = {
     32	{
     33		.modes = ~0,
     34		.muxregs = firda_muxreg,
     35		.nmuxregs = ARRAY_SIZE(firda_muxreg),
     36	},
     37};
     38
     39struct spear_pingroup spear3xx_firda_pingroup = {
     40	.name = "firda_grp",
     41	.pins = firda_pins,
     42	.npins = ARRAY_SIZE(firda_pins),
     43	.modemuxs = firda_modemux,
     44	.nmodemuxs = ARRAY_SIZE(firda_modemux),
     45};
     46
     47static const char *const firda_grps[] = { "firda_grp" };
     48struct spear_function spear3xx_firda_function = {
     49	.name = "firda",
     50	.groups = firda_grps,
     51	.ngroups = ARRAY_SIZE(firda_grps),
     52};
     53
     54/* i2c_pins */
     55static const unsigned i2c_pins[] = { 4, 5 };
     56static struct spear_muxreg i2c_muxreg[] = {
     57	{
     58		.reg = -1,
     59		.mask = PMX_I2C_MASK,
     60		.val = PMX_I2C_MASK,
     61	},
     62};
     63
     64static struct spear_modemux i2c_modemux[] = {
     65	{
     66		.modes = ~0,
     67		.muxregs = i2c_muxreg,
     68		.nmuxregs = ARRAY_SIZE(i2c_muxreg),
     69	},
     70};
     71
     72struct spear_pingroup spear3xx_i2c_pingroup = {
     73	.name = "i2c0_grp",
     74	.pins = i2c_pins,
     75	.npins = ARRAY_SIZE(i2c_pins),
     76	.modemuxs = i2c_modemux,
     77	.nmodemuxs = ARRAY_SIZE(i2c_modemux),
     78};
     79
     80static const char *const i2c_grps[] = { "i2c0_grp" };
     81struct spear_function spear3xx_i2c_function = {
     82	.name = "i2c0",
     83	.groups = i2c_grps,
     84	.ngroups = ARRAY_SIZE(i2c_grps),
     85};
     86
     87/* ssp_cs_pins */
     88static const unsigned ssp_cs_pins[] = { 34, 35, 36 };
     89static struct spear_muxreg ssp_cs_muxreg[] = {
     90	{
     91		.reg = -1,
     92		.mask = PMX_SSP_CS_MASK,
     93		.val = PMX_SSP_CS_MASK,
     94	},
     95};
     96
     97static struct spear_modemux ssp_cs_modemux[] = {
     98	{
     99		.modes = ~0,
    100		.muxregs = ssp_cs_muxreg,
    101		.nmuxregs = ARRAY_SIZE(ssp_cs_muxreg),
    102	},
    103};
    104
    105struct spear_pingroup spear3xx_ssp_cs_pingroup = {
    106	.name = "ssp_cs_grp",
    107	.pins = ssp_cs_pins,
    108	.npins = ARRAY_SIZE(ssp_cs_pins),
    109	.modemuxs = ssp_cs_modemux,
    110	.nmodemuxs = ARRAY_SIZE(ssp_cs_modemux),
    111};
    112
    113static const char *const ssp_cs_grps[] = { "ssp_cs_grp" };
    114struct spear_function spear3xx_ssp_cs_function = {
    115	.name = "ssp_cs",
    116	.groups = ssp_cs_grps,
    117	.ngroups = ARRAY_SIZE(ssp_cs_grps),
    118};
    119
    120/* ssp_pins */
    121static const unsigned ssp_pins[] = { 6, 7, 8, 9 };
    122static struct spear_muxreg ssp_muxreg[] = {
    123	{
    124		.reg = -1,
    125		.mask = PMX_SSP_MASK,
    126		.val = PMX_SSP_MASK,
    127	},
    128};
    129
    130static struct spear_modemux ssp_modemux[] = {
    131	{
    132		.modes = ~0,
    133		.muxregs = ssp_muxreg,
    134		.nmuxregs = ARRAY_SIZE(ssp_muxreg),
    135	},
    136};
    137
    138struct spear_pingroup spear3xx_ssp_pingroup = {
    139	.name = "ssp0_grp",
    140	.pins = ssp_pins,
    141	.npins = ARRAY_SIZE(ssp_pins),
    142	.modemuxs = ssp_modemux,
    143	.nmodemuxs = ARRAY_SIZE(ssp_modemux),
    144};
    145
    146static const char *const ssp_grps[] = { "ssp0_grp" };
    147struct spear_function spear3xx_ssp_function = {
    148	.name = "ssp0",
    149	.groups = ssp_grps,
    150	.ngroups = ARRAY_SIZE(ssp_grps),
    151};
    152
    153/* mii_pins */
    154static const unsigned mii_pins[] = { 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
    155	21, 22, 23, 24, 25, 26, 27 };
    156static struct spear_muxreg mii_muxreg[] = {
    157	{
    158		.reg = -1,
    159		.mask = PMX_MII_MASK,
    160		.val = PMX_MII_MASK,
    161	},
    162};
    163
    164static struct spear_modemux mii_modemux[] = {
    165	{
    166		.modes = ~0,
    167		.muxregs = mii_muxreg,
    168		.nmuxregs = ARRAY_SIZE(mii_muxreg),
    169	},
    170};
    171
    172struct spear_pingroup spear3xx_mii_pingroup = {
    173	.name = "mii0_grp",
    174	.pins = mii_pins,
    175	.npins = ARRAY_SIZE(mii_pins),
    176	.modemuxs = mii_modemux,
    177	.nmodemuxs = ARRAY_SIZE(mii_modemux),
    178};
    179
    180static const char *const mii_grps[] = { "mii0_grp" };
    181struct spear_function spear3xx_mii_function = {
    182	.name = "mii0",
    183	.groups = mii_grps,
    184	.ngroups = ARRAY_SIZE(mii_grps),
    185};
    186
    187/* gpio0_pin0_pins */
    188static const unsigned gpio0_pin0_pins[] = { 28 };
    189static struct spear_muxreg gpio0_pin0_muxreg[] = {
    190	{
    191		.reg = -1,
    192		.mask = PMX_GPIO_PIN0_MASK,
    193		.val = PMX_GPIO_PIN0_MASK,
    194	},
    195};
    196
    197static struct spear_modemux gpio0_pin0_modemux[] = {
    198	{
    199		.modes = ~0,
    200		.muxregs = gpio0_pin0_muxreg,
    201		.nmuxregs = ARRAY_SIZE(gpio0_pin0_muxreg),
    202	},
    203};
    204
    205struct spear_pingroup spear3xx_gpio0_pin0_pingroup = {
    206	.name = "gpio0_pin0_grp",
    207	.pins = gpio0_pin0_pins,
    208	.npins = ARRAY_SIZE(gpio0_pin0_pins),
    209	.modemuxs = gpio0_pin0_modemux,
    210	.nmodemuxs = ARRAY_SIZE(gpio0_pin0_modemux),
    211};
    212
    213/* gpio0_pin1_pins */
    214static const unsigned gpio0_pin1_pins[] = { 29 };
    215static struct spear_muxreg gpio0_pin1_muxreg[] = {
    216	{
    217		.reg = -1,
    218		.mask = PMX_GPIO_PIN1_MASK,
    219		.val = PMX_GPIO_PIN1_MASK,
    220	},
    221};
    222
    223static struct spear_modemux gpio0_pin1_modemux[] = {
    224	{
    225		.modes = ~0,
    226		.muxregs = gpio0_pin1_muxreg,
    227		.nmuxregs = ARRAY_SIZE(gpio0_pin1_muxreg),
    228	},
    229};
    230
    231struct spear_pingroup spear3xx_gpio0_pin1_pingroup = {
    232	.name = "gpio0_pin1_grp",
    233	.pins = gpio0_pin1_pins,
    234	.npins = ARRAY_SIZE(gpio0_pin1_pins),
    235	.modemuxs = gpio0_pin1_modemux,
    236	.nmodemuxs = ARRAY_SIZE(gpio0_pin1_modemux),
    237};
    238
    239/* gpio0_pin2_pins */
    240static const unsigned gpio0_pin2_pins[] = { 30 };
    241static struct spear_muxreg gpio0_pin2_muxreg[] = {
    242	{
    243		.reg = -1,
    244		.mask = PMX_GPIO_PIN2_MASK,
    245		.val = PMX_GPIO_PIN2_MASK,
    246	},
    247};
    248
    249static struct spear_modemux gpio0_pin2_modemux[] = {
    250	{
    251		.modes = ~0,
    252		.muxregs = gpio0_pin2_muxreg,
    253		.nmuxregs = ARRAY_SIZE(gpio0_pin2_muxreg),
    254	},
    255};
    256
    257struct spear_pingroup spear3xx_gpio0_pin2_pingroup = {
    258	.name = "gpio0_pin2_grp",
    259	.pins = gpio0_pin2_pins,
    260	.npins = ARRAY_SIZE(gpio0_pin2_pins),
    261	.modemuxs = gpio0_pin2_modemux,
    262	.nmodemuxs = ARRAY_SIZE(gpio0_pin2_modemux),
    263};
    264
    265/* gpio0_pin3_pins */
    266static const unsigned gpio0_pin3_pins[] = { 31 };
    267static struct spear_muxreg gpio0_pin3_muxreg[] = {
    268	{
    269		.reg = -1,
    270		.mask = PMX_GPIO_PIN3_MASK,
    271		.val = PMX_GPIO_PIN3_MASK,
    272	},
    273};
    274
    275static struct spear_modemux gpio0_pin3_modemux[] = {
    276	{
    277		.modes = ~0,
    278		.muxregs = gpio0_pin3_muxreg,
    279		.nmuxregs = ARRAY_SIZE(gpio0_pin3_muxreg),
    280	},
    281};
    282
    283struct spear_pingroup spear3xx_gpio0_pin3_pingroup = {
    284	.name = "gpio0_pin3_grp",
    285	.pins = gpio0_pin3_pins,
    286	.npins = ARRAY_SIZE(gpio0_pin3_pins),
    287	.modemuxs = gpio0_pin3_modemux,
    288	.nmodemuxs = ARRAY_SIZE(gpio0_pin3_modemux),
    289};
    290
    291/* gpio0_pin4_pins */
    292static const unsigned gpio0_pin4_pins[] = { 32 };
    293static struct spear_muxreg gpio0_pin4_muxreg[] = {
    294	{
    295		.reg = -1,
    296		.mask = PMX_GPIO_PIN4_MASK,
    297		.val = PMX_GPIO_PIN4_MASK,
    298	},
    299};
    300
    301static struct spear_modemux gpio0_pin4_modemux[] = {
    302	{
    303		.modes = ~0,
    304		.muxregs = gpio0_pin4_muxreg,
    305		.nmuxregs = ARRAY_SIZE(gpio0_pin4_muxreg),
    306	},
    307};
    308
    309struct spear_pingroup spear3xx_gpio0_pin4_pingroup = {
    310	.name = "gpio0_pin4_grp",
    311	.pins = gpio0_pin4_pins,
    312	.npins = ARRAY_SIZE(gpio0_pin4_pins),
    313	.modemuxs = gpio0_pin4_modemux,
    314	.nmodemuxs = ARRAY_SIZE(gpio0_pin4_modemux),
    315};
    316
    317/* gpio0_pin5_pins */
    318static const unsigned gpio0_pin5_pins[] = { 33 };
    319static struct spear_muxreg gpio0_pin5_muxreg[] = {
    320	{
    321		.reg = -1,
    322		.mask = PMX_GPIO_PIN5_MASK,
    323		.val = PMX_GPIO_PIN5_MASK,
    324	},
    325};
    326
    327static struct spear_modemux gpio0_pin5_modemux[] = {
    328	{
    329		.modes = ~0,
    330		.muxregs = gpio0_pin5_muxreg,
    331		.nmuxregs = ARRAY_SIZE(gpio0_pin5_muxreg),
    332	},
    333};
    334
    335struct spear_pingroup spear3xx_gpio0_pin5_pingroup = {
    336	.name = "gpio0_pin5_grp",
    337	.pins = gpio0_pin5_pins,
    338	.npins = ARRAY_SIZE(gpio0_pin5_pins),
    339	.modemuxs = gpio0_pin5_modemux,
    340	.nmodemuxs = ARRAY_SIZE(gpio0_pin5_modemux),
    341};
    342
    343static const char *const gpio0_grps[] = { "gpio0_pin0_grp", "gpio0_pin1_grp",
    344	"gpio0_pin2_grp", "gpio0_pin3_grp", "gpio0_pin4_grp", "gpio0_pin5_grp",
    345};
    346struct spear_function spear3xx_gpio0_function = {
    347	.name = "gpio0",
    348	.groups = gpio0_grps,
    349	.ngroups = ARRAY_SIZE(gpio0_grps),
    350};
    351
    352/* uart0_ext_pins */
    353static const unsigned uart0_ext_pins[] = { 37, 38, 39, 40, 41, 42 };
    354static struct spear_muxreg uart0_ext_muxreg[] = {
    355	{
    356		.reg = -1,
    357		.mask = PMX_UART0_MODEM_MASK,
    358		.val = PMX_UART0_MODEM_MASK,
    359	},
    360};
    361
    362static struct spear_modemux uart0_ext_modemux[] = {
    363	{
    364		.modes = ~0,
    365		.muxregs = uart0_ext_muxreg,
    366		.nmuxregs = ARRAY_SIZE(uart0_ext_muxreg),
    367	},
    368};
    369
    370struct spear_pingroup spear3xx_uart0_ext_pingroup = {
    371	.name = "uart0_ext_grp",
    372	.pins = uart0_ext_pins,
    373	.npins = ARRAY_SIZE(uart0_ext_pins),
    374	.modemuxs = uart0_ext_modemux,
    375	.nmodemuxs = ARRAY_SIZE(uart0_ext_modemux),
    376};
    377
    378static const char *const uart0_ext_grps[] = { "uart0_ext_grp" };
    379struct spear_function spear3xx_uart0_ext_function = {
    380	.name = "uart0_ext",
    381	.groups = uart0_ext_grps,
    382	.ngroups = ARRAY_SIZE(uart0_ext_grps),
    383};
    384
    385/* uart0_pins */
    386static const unsigned uart0_pins[] = { 2, 3 };
    387static struct spear_muxreg uart0_muxreg[] = {
    388	{
    389		.reg = -1,
    390		.mask = PMX_UART0_MASK,
    391		.val = PMX_UART0_MASK,
    392	},
    393};
    394
    395static struct spear_modemux uart0_modemux[] = {
    396	{
    397		.modes = ~0,
    398		.muxregs = uart0_muxreg,
    399		.nmuxregs = ARRAY_SIZE(uart0_muxreg),
    400	},
    401};
    402
    403struct spear_pingroup spear3xx_uart0_pingroup = {
    404	.name = "uart0_grp",
    405	.pins = uart0_pins,
    406	.npins = ARRAY_SIZE(uart0_pins),
    407	.modemuxs = uart0_modemux,
    408	.nmodemuxs = ARRAY_SIZE(uart0_modemux),
    409};
    410
    411static const char *const uart0_grps[] = { "uart0_grp" };
    412struct spear_function spear3xx_uart0_function = {
    413	.name = "uart0",
    414	.groups = uart0_grps,
    415	.ngroups = ARRAY_SIZE(uart0_grps),
    416};
    417
    418/* timer_0_1_pins */
    419static const unsigned timer_0_1_pins[] = { 43, 44, 47, 48 };
    420static struct spear_muxreg timer_0_1_muxreg[] = {
    421	{
    422		.reg = -1,
    423		.mask = PMX_TIMER_0_1_MASK,
    424		.val = PMX_TIMER_0_1_MASK,
    425	},
    426};
    427
    428static struct spear_modemux timer_0_1_modemux[] = {
    429	{
    430		.modes = ~0,
    431		.muxregs = timer_0_1_muxreg,
    432		.nmuxregs = ARRAY_SIZE(timer_0_1_muxreg),
    433	},
    434};
    435
    436struct spear_pingroup spear3xx_timer_0_1_pingroup = {
    437	.name = "timer_0_1_grp",
    438	.pins = timer_0_1_pins,
    439	.npins = ARRAY_SIZE(timer_0_1_pins),
    440	.modemuxs = timer_0_1_modemux,
    441	.nmodemuxs = ARRAY_SIZE(timer_0_1_modemux),
    442};
    443
    444static const char *const timer_0_1_grps[] = { "timer_0_1_grp" };
    445struct spear_function spear3xx_timer_0_1_function = {
    446	.name = "timer_0_1",
    447	.groups = timer_0_1_grps,
    448	.ngroups = ARRAY_SIZE(timer_0_1_grps),
    449};
    450
    451/* timer_2_3_pins */
    452static const unsigned timer_2_3_pins[] = { 45, 46, 49, 50 };
    453static struct spear_muxreg timer_2_3_muxreg[] = {
    454	{
    455		.reg = -1,
    456		.mask = PMX_TIMER_2_3_MASK,
    457		.val = PMX_TIMER_2_3_MASK,
    458	},
    459};
    460
    461static struct spear_modemux timer_2_3_modemux[] = {
    462	{
    463		.modes = ~0,
    464		.muxregs = timer_2_3_muxreg,
    465		.nmuxregs = ARRAY_SIZE(timer_2_3_muxreg),
    466	},
    467};
    468
    469struct spear_pingroup spear3xx_timer_2_3_pingroup = {
    470	.name = "timer_2_3_grp",
    471	.pins = timer_2_3_pins,
    472	.npins = ARRAY_SIZE(timer_2_3_pins),
    473	.modemuxs = timer_2_3_modemux,
    474	.nmodemuxs = ARRAY_SIZE(timer_2_3_modemux),
    475};
    476
    477static const char *const timer_2_3_grps[] = { "timer_2_3_grp" };
    478struct spear_function spear3xx_timer_2_3_function = {
    479	.name = "timer_2_3",
    480	.groups = timer_2_3_grps,
    481	.ngroups = ARRAY_SIZE(timer_2_3_grps),
    482};
    483
    484/* Define muxreg arrays */
    485DEFINE_MUXREG(firda_pins, 0, PMX_FIRDA_MASK, 0);
    486DEFINE_MUXREG(i2c_pins, 0, PMX_I2C_MASK, 0);
    487DEFINE_MUXREG(ssp_cs_pins, 0, PMX_SSP_CS_MASK, 0);
    488DEFINE_MUXREG(ssp_pins, 0, PMX_SSP_MASK, 0);
    489DEFINE_MUXREG(mii_pins, 0, PMX_MII_MASK, 0);
    490DEFINE_MUXREG(gpio0_pin0_pins, 0, PMX_GPIO_PIN0_MASK, 0);
    491DEFINE_MUXREG(gpio0_pin1_pins, 0, PMX_GPIO_PIN1_MASK, 0);
    492DEFINE_MUXREG(gpio0_pin2_pins, 0, PMX_GPIO_PIN2_MASK, 0);
    493DEFINE_MUXREG(gpio0_pin3_pins, 0, PMX_GPIO_PIN3_MASK, 0);
    494DEFINE_MUXREG(gpio0_pin4_pins, 0, PMX_GPIO_PIN4_MASK, 0);
    495DEFINE_MUXREG(gpio0_pin5_pins, 0, PMX_GPIO_PIN5_MASK, 0);
    496DEFINE_MUXREG(uart0_ext_pins, 0, PMX_UART0_MODEM_MASK, 0);
    497DEFINE_MUXREG(uart0_pins, 0, PMX_UART0_MASK, 0);
    498DEFINE_MUXREG(timer_0_1_pins, 0, PMX_TIMER_0_1_MASK, 0);
    499DEFINE_MUXREG(timer_2_3_pins, 0, PMX_TIMER_2_3_MASK, 0);
    500
    501static struct spear_gpio_pingroup spear3xx_gpio_pingroup[] = {
    502	GPIO_PINGROUP(firda_pins),
    503	GPIO_PINGROUP(i2c_pins),
    504	GPIO_PINGROUP(ssp_cs_pins),
    505	GPIO_PINGROUP(ssp_pins),
    506	GPIO_PINGROUP(mii_pins),
    507	GPIO_PINGROUP(gpio0_pin0_pins),
    508	GPIO_PINGROUP(gpio0_pin1_pins),
    509	GPIO_PINGROUP(gpio0_pin2_pins),
    510	GPIO_PINGROUP(gpio0_pin3_pins),
    511	GPIO_PINGROUP(gpio0_pin4_pins),
    512	GPIO_PINGROUP(gpio0_pin5_pins),
    513	GPIO_PINGROUP(uart0_ext_pins),
    514	GPIO_PINGROUP(uart0_pins),
    515	GPIO_PINGROUP(timer_0_1_pins),
    516	GPIO_PINGROUP(timer_2_3_pins),
    517};
    518
    519struct spear_pinctrl_machdata spear3xx_machdata = {
    520	.pins = spear3xx_pins,
    521	.npins = ARRAY_SIZE(spear3xx_pins),
    522	.gpio_pingroups = spear3xx_gpio_pingroup,
    523	.ngpio_pingroups = ARRAY_SIZE(spear3xx_gpio_pingroup),
    524};