diff options
Diffstat (limited to 'drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c')
| -rw-r--r-- | drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c | 356 |
1 files changed, 356 insertions, 0 deletions
diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c b/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c new file mode 100644 index 000000000000..ed39dcafd4f8 --- /dev/null +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c @@ -0,0 +1,356 @@ +#include <linux/kernel.h> +#include <linux/pinctrl/pinctrl.h> +#include "pinctrl-nomadik.h" + +/* All the pins that can be used for GPIO and some other functions */ +#define _GPIO(offset) (offset) + +#define STN8815_PIN_B4 _GPIO(0) +#define STN8815_PIN_D5 _GPIO(1) +#define STN8815_PIN_C5 _GPIO(2) +#define STN8815_PIN_A4 _GPIO(3) +#define STN8815_PIN_B5 _GPIO(4) +#define STN8815_PIN_D6 _GPIO(5) +#define STN8815_PIN_C6 _GPIO(6) +#define STN8815_PIN_B6 _GPIO(7) +#define STN8815_PIN_B10 _GPIO(8) +#define STN8815_PIN_A10 _GPIO(9) +#define STN8815_PIN_C11 _GPIO(10) +#define STN8815_PIN_B11 _GPIO(11) +#define STN8815_PIN_A11 _GPIO(12) +#define STN8815_PIN_C12 _GPIO(13) +#define STN8815_PIN_B12 _GPIO(14) +#define STN8815_PIN_A12 _GPIO(15) +#define STN8815_PIN_C13 _GPIO(16) +#define STN8815_PIN_B13 _GPIO(17) +#define STN8815_PIN_A13 _GPIO(18) +#define STN8815_PIN_D13 _GPIO(19) +#define STN8815_PIN_C14 _GPIO(20) +#define STN8815_PIN_B14 _GPIO(21) +#define STN8815_PIN_A14 _GPIO(22) +#define STN8815_PIN_D15 _GPIO(23) +#define STN8815_PIN_C15 _GPIO(24) +#define STN8815_PIN_B15 _GPIO(25) +#define STN8815_PIN_A15 _GPIO(26) +#define STN8815_PIN_C16 _GPIO(27) +#define STN8815_PIN_B16 _GPIO(28) +#define STN8815_PIN_A16 _GPIO(29) +#define STN8815_PIN_D17 _GPIO(30) +#define STN8815_PIN_C17 _GPIO(31) +#define STN8815_PIN_AB6 _GPIO(32) +#define STN8815_PIN_AA6 _GPIO(33) +#define STN8815_PIN_Y6 _GPIO(34) +#define STN8815_PIN_Y5 _GPIO(35) +#define STN8815_PIN_AA5 _GPIO(36) +#define STN8815_PIN_AB5 _GPIO(37) +#define STN8815_PIN_AB4 _GPIO(38) +#define STN8815_PIN_Y4 _GPIO(39) +#define STN8815_PIN_R1 _GPIO(40) +#define STN8815_PIN_R2 _GPIO(41) +#define STN8815_PIN_R3 _GPIO(42) +#define STN8815_PIN_P1 _GPIO(43) +#define STN8815_PIN_P2 _GPIO(44) +#define STN8815_PIN_P3 _GPIO(45) +#define STN8815_PIN_N1 _GPIO(46) +#define STN8815_PIN_N2 _GPIO(47) +#define STN8815_PIN_N3 _GPIO(48) +#define STN8815_PIN_M1 _GPIO(49) +#define STN8815_PIN_M3 _GPIO(50) +#define STN8815_PIN_M2 _GPIO(51) +#define STN8815_PIN_L1 _GPIO(52) +#define STN8815_PIN_L4 _GPIO(53) +#define STN8815_PIN_L3 _GPIO(54) +#define STN8815_PIN_L2 _GPIO(55) +#define STN8815_PIN_F3 _GPIO(56) +#define STN8815_PIN_F2 _GPIO(57) +#define STN8815_PIN_E1 _GPIO(58) +#define STN8815_PIN_E3 _GPIO(59) +#define STN8815_PIN_E2 _GPIO(60) +#define STN8815_PIN_E4 _GPIO(61) +#define STN8815_PIN_D3 _GPIO(62) +#define STN8815_PIN_D2 _GPIO(63) +#define STN8815_PIN_F21 _GPIO(64) +#define STN8815_PIN_F20 _GPIO(65) +#define STN8815_PIN_E22 _GPIO(66) +#define STN8815_PIN_D22 _GPIO(67) +#define STN8815_PIN_E21 _GPIO(68) +#define STN8815_PIN_E20 _GPIO(69) +#define STN8815_PIN_C22 _GPIO(70) +#define STN8815_PIN_D21 _GPIO(71) +#define STN8815_PIN_D20 _GPIO(72) +#define STN8815_PIN_C21 _GPIO(73) +#define STN8815_PIN_C20 _GPIO(74) +#define STN8815_PIN_C19 _GPIO(75) +#define STN8815_PIN_B20 _GPIO(76) +#define STN8815_PIN_B8 _GPIO(77) +#define STN8815_PIN_A8 _GPIO(78) +#define STN8815_PIN_C9 _GPIO(79) +#define STN8815_PIN_B9 _GPIO(80) +#define STN8815_PIN_A9 _GPIO(81) +#define STN8815_PIN_C10 _GPIO(82) +#define STN8815_PIN_K1 _GPIO(83) +#define STN8815_PIN_K3 _GPIO(84) +#define STN8815_PIN_K2 _GPIO(85) +#define STN8815_PIN_J1 _GPIO(86) +#define STN8815_PIN_J3 _GPIO(87) +#define STN8815_PIN_J2 _GPIO(88) +#define STN8815_PIN_H1 _GPIO(89) +#define STN8815_PIN_H3 _GPIO(90) +#define STN8815_PIN_H2 _GPIO(91) +#define STN8815_PIN_G1 _GPIO(92) +#define STN8815_PIN_G3 _GPIO(93) +#define STN8815_PIN_G2 _GPIO(94) +#define STN8815_PIN_F1 _GPIO(95) +#define STN8815_PIN_T20 _GPIO(96) +#define STN8815_PIN_R21 _GPIO(97) +#define STN8815_PIN_R20 _GPIO(98) +#define STN8815_PIN_U22 _GPIO(99) +#define STN8815_PIN_N21 _GPIO(100) +#define STN8815_PIN_N20 _GPIO(101) +#define STN8815_PIN_P22 _GPIO(102) +#define STN8815_PIN_N22 _GPIO(103) +#define STN8815_PIN_V22 _GPIO(104) +#define STN8815_PIN_V21 _GPIO(105) +#define STN8815_PIN_K22 _GPIO(106) +#define STN8815_PIN_K21 _GPIO(107) +#define STN8815_PIN_H20 _GPIO(108) +#define STN8815_PIN_G20 _GPIO(109) +#define STN8815_PIN_L21 _GPIO(110) +#define STN8815_PIN_H21 _GPIO(111) +#define STN8815_PIN_J21 _GPIO(112) +#define STN8815_PIN_H22 _GPIO(113) +#define STN8815_PIN_K20 _GPIO(114) +#define STN8815_PIN_L22 _GPIO(115) +#define STN8815_PIN_G21 _GPIO(116) +#define STN8815_PIN_J20 _GPIO(117) +#define STN8815_PIN_G22 _GPIO(118) +#define STN8815_PIN_U19 _GPIO(119) +#define STN8815_PIN_G19 _GPIO(120) +#define STN8815_PIN_M22 _GPIO(121) +#define STN8815_PIN_M19 _GPIO(122) +#define STN8815_PIN_J22 _GPIO(123) +/* GPIOs 124-127 not routed to pins */ + +/* + * The names of the pins are denoted by GPIO number and ball name, even + * though they can be used for other things than GPIO, this is the first + * column in the table of the data sheet and often used on schematics and + * such. + */ +static const struct pinctrl_pin_desc nmk_stn8815_pins[] = { + PINCTRL_PIN(STN8815_PIN_B4, "GPIO0_B4"), + PINCTRL_PIN(STN8815_PIN_D5, "GPIO1_D5"), + PINCTRL_PIN(STN8815_PIN_C5, "GPIO2_C5"), + PINCTRL_PIN(STN8815_PIN_A4, "GPIO3_A4"), + PINCTRL_PIN(STN8815_PIN_B5, "GPIO4_B5"), + PINCTRL_PIN(STN8815_PIN_D6, "GPIO5_D6"), + PINCTRL_PIN(STN8815_PIN_C6, "GPIO6_C6"), + PINCTRL_PIN(STN8815_PIN_B6, "GPIO7_B6"), + PINCTRL_PIN(STN8815_PIN_B10, "GPIO8_B10"), + PINCTRL_PIN(STN8815_PIN_A10, "GPIO9_A10"), + PINCTRL_PIN(STN8815_PIN_C11, "GPIO10_C11"), + PINCTRL_PIN(STN8815_PIN_B11, "GPIO11_B11"), + PINCTRL_PIN(STN8815_PIN_A11, "GPIO12_A11"), + PINCTRL_PIN(STN8815_PIN_C12, "GPIO13_C12"), + PINCTRL_PIN(STN8815_PIN_B12, "GPIO14_B12"), + PINCTRL_PIN(STN8815_PIN_A12, "GPIO15_A12"), + PINCTRL_PIN(STN8815_PIN_C13, "GPIO16_C13"), + PINCTRL_PIN(STN8815_PIN_B13, "GPIO17_B13"), + PINCTRL_PIN(STN8815_PIN_A13, "GPIO18_A13"), + PINCTRL_PIN(STN8815_PIN_D13, "GPIO19_D13"), + PINCTRL_PIN(STN8815_PIN_C14, "GPIO20_C14"), + PINCTRL_PIN(STN8815_PIN_B14, "GPIO21_B14"), + PINCTRL_PIN(STN8815_PIN_A14, "GPIO22_A14"), + PINCTRL_PIN(STN8815_PIN_D15, "GPIO23_D15"), + PINCTRL_PIN(STN8815_PIN_C15, "GPIO24_C15"), + PINCTRL_PIN(STN8815_PIN_B15, "GPIO25_B15"), + PINCTRL_PIN(STN8815_PIN_A15, "GPIO26_A15"), + PINCTRL_PIN(STN8815_PIN_C16, "GPIO27_C16"), + PINCTRL_PIN(STN8815_PIN_B16, "GPIO28_B16"), + PINCTRL_PIN(STN8815_PIN_A16, "GPIO29_A16"), + PINCTRL_PIN(STN8815_PIN_D17, "GPIO30_D17"), + PINCTRL_PIN(STN8815_PIN_C17, "GPIO31_C17"), + PINCTRL_PIN(STN8815_PIN_AB6, "GPIO32_AB6"), + PINCTRL_PIN(STN8815_PIN_AA6, "GPIO33_AA6"), + PINCTRL_PIN(STN8815_PIN_Y6, "GPIO34_Y6"), + PINCTRL_PIN(STN8815_PIN_Y5, "GPIO35_Y5"), + PINCTRL_PIN(STN8815_PIN_AA5, "GPIO36_AA5"), + PINCTRL_PIN(STN8815_PIN_AB5, "GPIO37_AB5"), + PINCTRL_PIN(STN8815_PIN_AB4, "GPIO38_AB4"), + PINCTRL_PIN(STN8815_PIN_Y4, "GPIO39_Y4"), + PINCTRL_PIN(STN8815_PIN_R1, "GPIO40_R1"), + PINCTRL_PIN(STN8815_PIN_R2, "GPIO41_R2"), + PINCTRL_PIN(STN8815_PIN_R3, "GPIO42_R3"), + PINCTRL_PIN(STN8815_PIN_P1, "GPIO43_P1"), + PINCTRL_PIN(STN8815_PIN_P2, "GPIO44_P2"), + PINCTRL_PIN(STN8815_PIN_P3, "GPIO45_P3"), + PINCTRL_PIN(STN8815_PIN_N1, "GPIO46_N1"), + PINCTRL_PIN(STN8815_PIN_N2, "GPIO47_N2"), + PINCTRL_PIN(STN8815_PIN_N3, "GPIO48_N3"), + PINCTRL_PIN(STN8815_PIN_M1, "GPIO49_M1"), + PINCTRL_PIN(STN8815_PIN_M3, "GPIO50_M3"), + PINCTRL_PIN(STN8815_PIN_M2, "GPIO51_M2"), + PINCTRL_PIN(STN8815_PIN_L1, "GPIO52_L1"), + PINCTRL_PIN(STN8815_PIN_L4, "GPIO53_L4"), + PINCTRL_PIN(STN8815_PIN_L3, "GPIO54_L3"), + PINCTRL_PIN(STN8815_PIN_L2, "GPIO55_L2"), + PINCTRL_PIN(STN8815_PIN_F3, "GPIO56_F3"), + PINCTRL_PIN(STN8815_PIN_F2, "GPIO57_F2"), + PINCTRL_PIN(STN8815_PIN_E1, "GPIO58_E1"), + PINCTRL_PIN(STN8815_PIN_E3, "GPIO59_E3"), + PINCTRL_PIN(STN8815_PIN_E2, "GPIO60_E2"), + PINCTRL_PIN(STN8815_PIN_E4, "GPIO61_E4"), + PINCTRL_PIN(STN8815_PIN_D3, "GPIO62_D3"), + PINCTRL_PIN(STN8815_PIN_D2, "GPIO63_D2"), + PINCTRL_PIN(STN8815_PIN_F21, "GPIO64_F21"), + PINCTRL_PIN(STN8815_PIN_F20, "GPIO65_F20"), + PINCTRL_PIN(STN8815_PIN_E22, "GPIO66_E22"), + PINCTRL_PIN(STN8815_PIN_D22, "GPIO67_D22"), + PINCTRL_PIN(STN8815_PIN_E21, "GPIO68_E21"), + PINCTRL_PIN(STN8815_PIN_E20, "GPIO69_E20"), + PINCTRL_PIN(STN8815_PIN_C22, "GPIO70_C22"), + PINCTRL_PIN(STN8815_PIN_D21, "GPIO71_D21"), + PINCTRL_PIN(STN8815_PIN_D20, "GPIO72_D20"), + PINCTRL_PIN(STN8815_PIN_C21, "GPIO73_C21"), + PINCTRL_PIN(STN8815_PIN_C20, "GPIO74_C20"), + PINCTRL_PIN(STN8815_PIN_C19, "GPIO75_C19"), + PINCTRL_PIN(STN8815_PIN_B20, "GPIO76_B20"), + PINCTRL_PIN(STN8815_PIN_B8, "GPIO77_B8"), + PINCTRL_PIN(STN8815_PIN_A8, "GPIO78_A8"), + PINCTRL_PIN(STN8815_PIN_C9, "GPIO79_C9"), + PINCTRL_PIN(STN8815_PIN_B9, "GPIO80_B9"), + PINCTRL_PIN(STN8815_PIN_A9, "GPIO81_A9"), + PINCTRL_PIN(STN8815_PIN_C10, "GPIO82_C10"), + PINCTRL_PIN(STN8815_PIN_K1, "GPIO83_K1"), + PINCTRL_PIN(STN8815_PIN_K3, "GPIO84_K3"), + PINCTRL_PIN(STN8815_PIN_K2, "GPIO85_K2"), + PINCTRL_PIN(STN8815_PIN_J1, "GPIO86_J1"), + PINCTRL_PIN(STN8815_PIN_J3, "GPIO87_J3"), + PINCTRL_PIN(STN8815_PIN_J2, "GPIO88_J2"), + PINCTRL_PIN(STN8815_PIN_H1, "GPIO89_H1"), + PINCTRL_PIN(STN8815_PIN_H3, "GPIO90_H3"), + PINCTRL_PIN(STN8815_PIN_H2, "GPIO91_H2"), + PINCTRL_PIN(STN8815_PIN_G1, "GPIO92_G1"), + PINCTRL_PIN(STN8815_PIN_G3, "GPIO93_G3"), + PINCTRL_PIN(STN8815_PIN_G2, "GPIO94_G2"), + PINCTRL_PIN(STN8815_PIN_F1, "GPIO95_F1"), + PINCTRL_PIN(STN8815_PIN_T20, "GPIO96_T20"), + PINCTRL_PIN(STN8815_PIN_R21, "GPIO97_R21"), + PINCTRL_PIN(STN8815_PIN_R20, "GPIO98_R20"), + PINCTRL_PIN(STN8815_PIN_U22, "GPIO99_U22"), + PINCTRL_PIN(STN8815_PIN_N21, "GPIO100_N21"), + PINCTRL_PIN(STN8815_PIN_N20, "GPIO101_N20"), + PINCTRL_PIN(STN8815_PIN_P22, "GPIO102_P22"), + PINCTRL_PIN(STN8815_PIN_N22, "GPIO103_N22"), + PINCTRL_PIN(STN8815_PIN_V22, "GPIO104_V22"), + PINCTRL_PIN(STN8815_PIN_V21, "GPIO105_V21"), + PINCTRL_PIN(STN8815_PIN_K22, "GPIO106_K22"), + PINCTRL_PIN(STN8815_PIN_K21, "GPIO107_K21"), + PINCTRL_PIN(STN8815_PIN_H20, "GPIO108_H20"), + PINCTRL_PIN(STN8815_PIN_G20, "GPIO109_G20"), + PINCTRL_PIN(STN8815_PIN_L21, "GPIO110_L21"), + PINCTRL_PIN(STN8815_PIN_H21, "GPIO111_H21"), + PINCTRL_PIN(STN8815_PIN_J21, "GPIO112_J21"), + PINCTRL_PIN(STN8815_PIN_H22, "GPIO113_H22"), + PINCTRL_PIN(STN8815_PIN_K20, "GPIO114_K20"), + PINCTRL_PIN(STN8815_PIN_L22, "GPIO115_L22"), + PINCTRL_PIN(STN8815_PIN_G21, "GPIO116_G21"), + PINCTRL_PIN(STN8815_PIN_J20, "GPIO117_J20"), + PINCTRL_PIN(STN8815_PIN_G22, "GPIO118_G22"), + PINCTRL_PIN(STN8815_PIN_U19, "GPIO119_U19"), + PINCTRL_PIN(STN8815_PIN_G19, "GPIO120_G19"), + PINCTRL_PIN(STN8815_PIN_M22, "GPIO121_M22"), + PINCTRL_PIN(STN8815_PIN_M19, "GPIO122_M19"), + PINCTRL_PIN(STN8815_PIN_J22, "GPIO123_J22"), +}; + +#define STN8815_GPIO_RANGE(a, b, c) { .name = "STN8815", .id = a, .base = b, \ + .pin_base = b, .npins = c } + +/* + * This matches the 32-pin gpio chips registered by the GPIO portion. This + * cannot be const since we assign the struct gpio_chip * pointer at runtime. + */ +static struct pinctrl_gpio_range nmk_stn8815_ranges[] = { + STN8815_GPIO_RANGE(0, 0, 32), + STN8815_GPIO_RANGE(1, 32, 32), + STN8815_GPIO_RANGE(2, 64, 32), + STN8815_GPIO_RANGE(3, 96, 28), +}; + +/* + * Read the pin group names like this: + * u0_a_1 = first groups of pins for uart0 on alt function a + * i2c2_b_2 = second group of pins for i2c2 on alt function b + */ + +/* Altfunction A */ +static const unsigned u0_a_1_pins[] = { STN8815_PIN_B4, STN8815_PIN_D5, + STN8815_PIN_C5, STN8815_PIN_A4, STN8815_PIN_B5, STN8815_PIN_D6, + STN8815_PIN_C6, STN8815_PIN_B6 }; +static const unsigned mmcsd_a_1_pins[] = { STN8815_PIN_B10, STN8815_PIN_A10, + STN8815_PIN_C11, STN8815_PIN_B11, STN8815_PIN_A11, STN8815_PIN_C12, + STN8815_PIN_B12, STN8815_PIN_A12, STN8815_PIN_C13, STN8815_PIN_C15 }; +static const unsigned u1_a_1_pins[] = { STN8815_PIN_M2, STN8815_PIN_L1, + STN8815_PIN_F3, STN8815_PIN_F2 }; +static const unsigned i2c1_a_1_pins[] = { STN8815_PIN_L4, STN8815_PIN_L3 }; +static const unsigned i2c0_a_1_pins[] = { STN8815_PIN_D3, STN8815_PIN_D2 }; +/* Altfunction B */ +static const unsigned u1_b_1_pins[] = { STN8815_PIN_B16, STN8815_PIN_A16 }; +static const unsigned i2cusb_b_1_pins[] = { STN8815_PIN_C21, STN8815_PIN_C20 }; + +#define STN8815_PIN_GROUP(a, b) { .name = #a, .pins = a##_pins, \ + .npins = ARRAY_SIZE(a##_pins), .altsetting = b } + +static const struct nmk_pingroup nmk_stn8815_groups[] = { + STN8815_PIN_GROUP(u0_a_1, NMK_GPIO_ALT_A), + STN8815_PIN_GROUP(mmcsd_a_1, NMK_GPIO_ALT_A), + STN8815_PIN_GROUP(u1_a_1, NMK_GPIO_ALT_A), + STN8815_PIN_GROUP(i2c1_a_1, NMK_GPIO_ALT_A), + STN8815_PIN_GROUP(i2c0_a_1, NMK_GPIO_ALT_A), + STN8815_PIN_GROUP(u1_b_1, NMK_GPIO_ALT_B), + STN8815_PIN_GROUP(i2cusb_b_1, NMK_GPIO_ALT_B), +}; + +/* We use this macro to define the groups applicable to a function */ +#define STN8815_FUNC_GROUPS(a, b...) \ +static const char * const a##_groups[] = { b }; + +STN8815_FUNC_GROUPS(u0, "u0_a_1"); +STN8815_FUNC_GROUPS(mmcsd, "mmcsd_a_1"); +STN8815_FUNC_GROUPS(u1, "u1_a_1", "u1_b_1"); +STN8815_FUNC_GROUPS(i2c1, "i2c1_a_1"); +STN8815_FUNC_GROUPS(i2c0, "i2c0_a_1"); +STN8815_FUNC_GROUPS(i2cusb, "i2cusb_b_1"); + +#define FUNCTION(fname) \ + { \ + .name = #fname, \ + .groups = fname##_groups, \ + .ngroups = ARRAY_SIZE(fname##_groups), \ + } + +static const struct nmk_function nmk_stn8815_functions[] = { + FUNCTION(u0), + FUNCTION(mmcsd), + FUNCTION(u1), + FUNCTION(i2c1), + FUNCTION(i2c0), + FUNCTION(i2cusb), +}; + +static const struct nmk_pinctrl_soc_data nmk_stn8815_soc = { + .gpio_ranges = nmk_stn8815_ranges, + .gpio_num_ranges = ARRAY_SIZE(nmk_stn8815_ranges), + .pins = nmk_stn8815_pins, + .npins = ARRAY_SIZE(nmk_stn8815_pins), + .functions = nmk_stn8815_functions, + .nfunctions = ARRAY_SIZE(nmk_stn8815_functions), + .groups = nmk_stn8815_groups, + .ngroups = ARRAY_SIZE(nmk_stn8815_groups), +}; + +void nmk_pinctrl_stn8815_init(const struct nmk_pinctrl_soc_data **soc) +{ + *soc = &nmk_stn8815_soc; +} |