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remarkable-linux/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c
Linus Walleij 411a1fb80f pinctrl: nomadik: stn8815 CLCD alternate functions 
The STn8815 has 22 dedicated pins for CLCD with up to 16 bits
in parallel, but pins 32 thru 39 can be used for an additional
CLCD signal lines 16 thru 23.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-01-28 12:26:34 +01:00

354 lines
13 KiB
C
Raw Blame History

#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"),
};
/*
* 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 u0txrx_a_1_pins[] = { STN8815_PIN_B4, STN8815_PIN_D5 };
static const unsigned u0ctsrts_a_1_pins[] = { STN8815_PIN_C5, STN8815_PIN_B6 };
/* Modem pins: DCD, DSR, RI, DTR */
static const unsigned u0modem_a_1_pins[] = { STN8815_PIN_A4, STN8815_PIN_B5,
STN8815_PIN_D6, STN8815_PIN_C6 };
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 mmcsd_b_1_pins[] = { STN8815_PIN_D15 };
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 };
static const unsigned clcd_16_23_b_1_pins[] = { STN8815_PIN_AB6,
STN8815_PIN_AA6, STN8815_PIN_Y6, STN8815_PIN_Y5, STN8815_PIN_AA5,
STN8815_PIN_AB5, STN8815_PIN_AB4, STN8815_PIN_Y4 };
#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(u0txrx_a_1, NMK_GPIO_ALT_A),
STN8815_PIN_GROUP(u0ctsrts_a_1, NMK_GPIO_ALT_A),
STN8815_PIN_GROUP(u0modem_a_1, NMK_GPIO_ALT_A),
STN8815_PIN_GROUP(mmcsd_a_1, NMK_GPIO_ALT_A),
STN8815_PIN_GROUP(mmcsd_b_1, NMK_GPIO_ALT_B),
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),
STN8815_PIN_GROUP(clcd_16_23_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, "u0txrx_a_1", "u0ctsrts_a_1", "u0modem_a_1");
STN8815_FUNC_GROUPS(mmcsd, "mmcsd_a_1", "mmcsd_b_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");
STN8815_FUNC_GROUPS(clcd, "clcd_16_23_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),
FUNCTION(clcd),
};
static const struct nmk_pinctrl_soc_data nmk_stn8815_soc = {
.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;
}
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