359 lines
13 KiB
C
359 lines
13 KiB
C
#include <linux/kernel.h>
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#include <linux/pinctrl/pinctrl.h>
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#include "pinctrl-nomadik.h"
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/* All the pins that can be used for GPIO and some other functions */
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#define _GPIO(offset) (offset)
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#define STN8815_PIN_B4 _GPIO(0)
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#define STN8815_PIN_D5 _GPIO(1)
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#define STN8815_PIN_C5 _GPIO(2)
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#define STN8815_PIN_A4 _GPIO(3)
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#define STN8815_PIN_B5 _GPIO(4)
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#define STN8815_PIN_D6 _GPIO(5)
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#define STN8815_PIN_C6 _GPIO(6)
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#define STN8815_PIN_B6 _GPIO(7)
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#define STN8815_PIN_B10 _GPIO(8)
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#define STN8815_PIN_A10 _GPIO(9)
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#define STN8815_PIN_C11 _GPIO(10)
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#define STN8815_PIN_B11 _GPIO(11)
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#define STN8815_PIN_A11 _GPIO(12)
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#define STN8815_PIN_C12 _GPIO(13)
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#define STN8815_PIN_B12 _GPIO(14)
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#define STN8815_PIN_A12 _GPIO(15)
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#define STN8815_PIN_C13 _GPIO(16)
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#define STN8815_PIN_B13 _GPIO(17)
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#define STN8815_PIN_A13 _GPIO(18)
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#define STN8815_PIN_D13 _GPIO(19)
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#define STN8815_PIN_C14 _GPIO(20)
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#define STN8815_PIN_B14 _GPIO(21)
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#define STN8815_PIN_A14 _GPIO(22)
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#define STN8815_PIN_D15 _GPIO(23)
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#define STN8815_PIN_C15 _GPIO(24)
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#define STN8815_PIN_B15 _GPIO(25)
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#define STN8815_PIN_A15 _GPIO(26)
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#define STN8815_PIN_C16 _GPIO(27)
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#define STN8815_PIN_B16 _GPIO(28)
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#define STN8815_PIN_A16 _GPIO(29)
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#define STN8815_PIN_D17 _GPIO(30)
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#define STN8815_PIN_C17 _GPIO(31)
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#define STN8815_PIN_AB6 _GPIO(32)
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#define STN8815_PIN_AA6 _GPIO(33)
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#define STN8815_PIN_Y6 _GPIO(34)
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#define STN8815_PIN_Y5 _GPIO(35)
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#define STN8815_PIN_AA5 _GPIO(36)
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#define STN8815_PIN_AB5 _GPIO(37)
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#define STN8815_PIN_AB4 _GPIO(38)
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#define STN8815_PIN_Y4 _GPIO(39)
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#define STN8815_PIN_R1 _GPIO(40)
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#define STN8815_PIN_R2 _GPIO(41)
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#define STN8815_PIN_R3 _GPIO(42)
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#define STN8815_PIN_P1 _GPIO(43)
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#define STN8815_PIN_P2 _GPIO(44)
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#define STN8815_PIN_P3 _GPIO(45)
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#define STN8815_PIN_N1 _GPIO(46)
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#define STN8815_PIN_N2 _GPIO(47)
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#define STN8815_PIN_N3 _GPIO(48)
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#define STN8815_PIN_M1 _GPIO(49)
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#define STN8815_PIN_M3 _GPIO(50)
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#define STN8815_PIN_M2 _GPIO(51)
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#define STN8815_PIN_L1 _GPIO(52)
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#define STN8815_PIN_L4 _GPIO(53)
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#define STN8815_PIN_L3 _GPIO(54)
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#define STN8815_PIN_L2 _GPIO(55)
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#define STN8815_PIN_F3 _GPIO(56)
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#define STN8815_PIN_F2 _GPIO(57)
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#define STN8815_PIN_E1 _GPIO(58)
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#define STN8815_PIN_E3 _GPIO(59)
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#define STN8815_PIN_E2 _GPIO(60)
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#define STN8815_PIN_E4 _GPIO(61)
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#define STN8815_PIN_D3 _GPIO(62)
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#define STN8815_PIN_D2 _GPIO(63)
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#define STN8815_PIN_F21 _GPIO(64)
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#define STN8815_PIN_F20 _GPIO(65)
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#define STN8815_PIN_E22 _GPIO(66)
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#define STN8815_PIN_D22 _GPIO(67)
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#define STN8815_PIN_E21 _GPIO(68)
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#define STN8815_PIN_E20 _GPIO(69)
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#define STN8815_PIN_C22 _GPIO(70)
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#define STN8815_PIN_D21 _GPIO(71)
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#define STN8815_PIN_D20 _GPIO(72)
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#define STN8815_PIN_C21 _GPIO(73)
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#define STN8815_PIN_C20 _GPIO(74)
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#define STN8815_PIN_C19 _GPIO(75)
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#define STN8815_PIN_B20 _GPIO(76)
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#define STN8815_PIN_B8 _GPIO(77)
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#define STN8815_PIN_A8 _GPIO(78)
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#define STN8815_PIN_C9 _GPIO(79)
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#define STN8815_PIN_B9 _GPIO(80)
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#define STN8815_PIN_A9 _GPIO(81)
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#define STN8815_PIN_C10 _GPIO(82)
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#define STN8815_PIN_K1 _GPIO(83)
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#define STN8815_PIN_K3 _GPIO(84)
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#define STN8815_PIN_K2 _GPIO(85)
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#define STN8815_PIN_J1 _GPIO(86)
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#define STN8815_PIN_J3 _GPIO(87)
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#define STN8815_PIN_J2 _GPIO(88)
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#define STN8815_PIN_H1 _GPIO(89)
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#define STN8815_PIN_H3 _GPIO(90)
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#define STN8815_PIN_H2 _GPIO(91)
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#define STN8815_PIN_G1 _GPIO(92)
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#define STN8815_PIN_G3 _GPIO(93)
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#define STN8815_PIN_G2 _GPIO(94)
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#define STN8815_PIN_F1 _GPIO(95)
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#define STN8815_PIN_T20 _GPIO(96)
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#define STN8815_PIN_R21 _GPIO(97)
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#define STN8815_PIN_R20 _GPIO(98)
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#define STN8815_PIN_U22 _GPIO(99)
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#define STN8815_PIN_N21 _GPIO(100)
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#define STN8815_PIN_N20 _GPIO(101)
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#define STN8815_PIN_P22 _GPIO(102)
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#define STN8815_PIN_N22 _GPIO(103)
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#define STN8815_PIN_V22 _GPIO(104)
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#define STN8815_PIN_V21 _GPIO(105)
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#define STN8815_PIN_K22 _GPIO(106)
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#define STN8815_PIN_K21 _GPIO(107)
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#define STN8815_PIN_H20 _GPIO(108)
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#define STN8815_PIN_G20 _GPIO(109)
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#define STN8815_PIN_L21 _GPIO(110)
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#define STN8815_PIN_H21 _GPIO(111)
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#define STN8815_PIN_J21 _GPIO(112)
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#define STN8815_PIN_H22 _GPIO(113)
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#define STN8815_PIN_K20 _GPIO(114)
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#define STN8815_PIN_L22 _GPIO(115)
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#define STN8815_PIN_G21 _GPIO(116)
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#define STN8815_PIN_J20 _GPIO(117)
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#define STN8815_PIN_G22 _GPIO(118)
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#define STN8815_PIN_U19 _GPIO(119)
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#define STN8815_PIN_G19 _GPIO(120)
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#define STN8815_PIN_M22 _GPIO(121)
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#define STN8815_PIN_M19 _GPIO(122)
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#define STN8815_PIN_J22 _GPIO(123)
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/* GPIOs 124-127 not routed to pins */
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/*
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* The names of the pins are denoted by GPIO number and ball name, even
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* though they can be used for other things than GPIO, this is the first
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* column in the table of the data sheet and often used on schematics and
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* such.
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*/
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static const struct pinctrl_pin_desc nmk_stn8815_pins[] = {
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PINCTRL_PIN(STN8815_PIN_B4, "GPIO0_B4"),
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PINCTRL_PIN(STN8815_PIN_D5, "GPIO1_D5"),
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PINCTRL_PIN(STN8815_PIN_C5, "GPIO2_C5"),
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PINCTRL_PIN(STN8815_PIN_A4, "GPIO3_A4"),
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PINCTRL_PIN(STN8815_PIN_B5, "GPIO4_B5"),
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PINCTRL_PIN(STN8815_PIN_D6, "GPIO5_D6"),
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PINCTRL_PIN(STN8815_PIN_C6, "GPIO6_C6"),
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PINCTRL_PIN(STN8815_PIN_B6, "GPIO7_B6"),
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PINCTRL_PIN(STN8815_PIN_B10, "GPIO8_B10"),
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PINCTRL_PIN(STN8815_PIN_A10, "GPIO9_A10"),
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PINCTRL_PIN(STN8815_PIN_C11, "GPIO10_C11"),
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PINCTRL_PIN(STN8815_PIN_B11, "GPIO11_B11"),
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PINCTRL_PIN(STN8815_PIN_A11, "GPIO12_A11"),
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PINCTRL_PIN(STN8815_PIN_C12, "GPIO13_C12"),
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PINCTRL_PIN(STN8815_PIN_B12, "GPIO14_B12"),
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PINCTRL_PIN(STN8815_PIN_A12, "GPIO15_A12"),
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PINCTRL_PIN(STN8815_PIN_C13, "GPIO16_C13"),
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PINCTRL_PIN(STN8815_PIN_B13, "GPIO17_B13"),
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PINCTRL_PIN(STN8815_PIN_A13, "GPIO18_A13"),
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PINCTRL_PIN(STN8815_PIN_D13, "GPIO19_D13"),
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PINCTRL_PIN(STN8815_PIN_C14, "GPIO20_C14"),
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PINCTRL_PIN(STN8815_PIN_B14, "GPIO21_B14"),
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PINCTRL_PIN(STN8815_PIN_A14, "GPIO22_A14"),
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PINCTRL_PIN(STN8815_PIN_D15, "GPIO23_D15"),
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PINCTRL_PIN(STN8815_PIN_C15, "GPIO24_C15"),
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PINCTRL_PIN(STN8815_PIN_B15, "GPIO25_B15"),
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PINCTRL_PIN(STN8815_PIN_A15, "GPIO26_A15"),
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PINCTRL_PIN(STN8815_PIN_C16, "GPIO27_C16"),
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PINCTRL_PIN(STN8815_PIN_B16, "GPIO28_B16"),
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PINCTRL_PIN(STN8815_PIN_A16, "GPIO29_A16"),
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PINCTRL_PIN(STN8815_PIN_D17, "GPIO30_D17"),
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PINCTRL_PIN(STN8815_PIN_C17, "GPIO31_C17"),
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PINCTRL_PIN(STN8815_PIN_AB6, "GPIO32_AB6"),
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PINCTRL_PIN(STN8815_PIN_AA6, "GPIO33_AA6"),
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PINCTRL_PIN(STN8815_PIN_Y6, "GPIO34_Y6"),
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PINCTRL_PIN(STN8815_PIN_Y5, "GPIO35_Y5"),
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PINCTRL_PIN(STN8815_PIN_AA5, "GPIO36_AA5"),
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PINCTRL_PIN(STN8815_PIN_AB5, "GPIO37_AB5"),
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PINCTRL_PIN(STN8815_PIN_AB4, "GPIO38_AB4"),
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PINCTRL_PIN(STN8815_PIN_Y4, "GPIO39_Y4"),
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PINCTRL_PIN(STN8815_PIN_R1, "GPIO40_R1"),
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PINCTRL_PIN(STN8815_PIN_R2, "GPIO41_R2"),
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PINCTRL_PIN(STN8815_PIN_R3, "GPIO42_R3"),
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PINCTRL_PIN(STN8815_PIN_P1, "GPIO43_P1"),
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PINCTRL_PIN(STN8815_PIN_P2, "GPIO44_P2"),
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PINCTRL_PIN(STN8815_PIN_P3, "GPIO45_P3"),
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PINCTRL_PIN(STN8815_PIN_N1, "GPIO46_N1"),
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PINCTRL_PIN(STN8815_PIN_N2, "GPIO47_N2"),
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PINCTRL_PIN(STN8815_PIN_N3, "GPIO48_N3"),
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PINCTRL_PIN(STN8815_PIN_M1, "GPIO49_M1"),
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PINCTRL_PIN(STN8815_PIN_M3, "GPIO50_M3"),
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PINCTRL_PIN(STN8815_PIN_M2, "GPIO51_M2"),
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PINCTRL_PIN(STN8815_PIN_L1, "GPIO52_L1"),
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PINCTRL_PIN(STN8815_PIN_L4, "GPIO53_L4"),
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PINCTRL_PIN(STN8815_PIN_L3, "GPIO54_L3"),
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PINCTRL_PIN(STN8815_PIN_L2, "GPIO55_L2"),
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PINCTRL_PIN(STN8815_PIN_F3, "GPIO56_F3"),
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PINCTRL_PIN(STN8815_PIN_F2, "GPIO57_F2"),
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PINCTRL_PIN(STN8815_PIN_E1, "GPIO58_E1"),
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PINCTRL_PIN(STN8815_PIN_E3, "GPIO59_E3"),
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PINCTRL_PIN(STN8815_PIN_E2, "GPIO60_E2"),
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PINCTRL_PIN(STN8815_PIN_E4, "GPIO61_E4"),
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PINCTRL_PIN(STN8815_PIN_D3, "GPIO62_D3"),
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PINCTRL_PIN(STN8815_PIN_D2, "GPIO63_D2"),
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PINCTRL_PIN(STN8815_PIN_F21, "GPIO64_F21"),
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PINCTRL_PIN(STN8815_PIN_F20, "GPIO65_F20"),
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PINCTRL_PIN(STN8815_PIN_E22, "GPIO66_E22"),
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PINCTRL_PIN(STN8815_PIN_D22, "GPIO67_D22"),
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PINCTRL_PIN(STN8815_PIN_E21, "GPIO68_E21"),
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PINCTRL_PIN(STN8815_PIN_E20, "GPIO69_E20"),
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PINCTRL_PIN(STN8815_PIN_C22, "GPIO70_C22"),
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PINCTRL_PIN(STN8815_PIN_D21, "GPIO71_D21"),
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PINCTRL_PIN(STN8815_PIN_D20, "GPIO72_D20"),
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PINCTRL_PIN(STN8815_PIN_C21, "GPIO73_C21"),
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PINCTRL_PIN(STN8815_PIN_C20, "GPIO74_C20"),
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PINCTRL_PIN(STN8815_PIN_C19, "GPIO75_C19"),
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PINCTRL_PIN(STN8815_PIN_B20, "GPIO76_B20"),
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PINCTRL_PIN(STN8815_PIN_B8, "GPIO77_B8"),
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PINCTRL_PIN(STN8815_PIN_A8, "GPIO78_A8"),
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PINCTRL_PIN(STN8815_PIN_C9, "GPIO79_C9"),
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PINCTRL_PIN(STN8815_PIN_B9, "GPIO80_B9"),
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PINCTRL_PIN(STN8815_PIN_A9, "GPIO81_A9"),
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PINCTRL_PIN(STN8815_PIN_C10, "GPIO82_C10"),
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PINCTRL_PIN(STN8815_PIN_K1, "GPIO83_K1"),
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PINCTRL_PIN(STN8815_PIN_K3, "GPIO84_K3"),
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PINCTRL_PIN(STN8815_PIN_K2, "GPIO85_K2"),
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PINCTRL_PIN(STN8815_PIN_J1, "GPIO86_J1"),
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PINCTRL_PIN(STN8815_PIN_J3, "GPIO87_J3"),
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PINCTRL_PIN(STN8815_PIN_J2, "GPIO88_J2"),
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PINCTRL_PIN(STN8815_PIN_H1, "GPIO89_H1"),
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PINCTRL_PIN(STN8815_PIN_H3, "GPIO90_H3"),
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PINCTRL_PIN(STN8815_PIN_H2, "GPIO91_H2"),
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PINCTRL_PIN(STN8815_PIN_G1, "GPIO92_G1"),
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PINCTRL_PIN(STN8815_PIN_G3, "GPIO93_G3"),
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PINCTRL_PIN(STN8815_PIN_G2, "GPIO94_G2"),
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PINCTRL_PIN(STN8815_PIN_F1, "GPIO95_F1"),
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PINCTRL_PIN(STN8815_PIN_T20, "GPIO96_T20"),
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PINCTRL_PIN(STN8815_PIN_R21, "GPIO97_R21"),
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PINCTRL_PIN(STN8815_PIN_R20, "GPIO98_R20"),
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PINCTRL_PIN(STN8815_PIN_U22, "GPIO99_U22"),
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PINCTRL_PIN(STN8815_PIN_N21, "GPIO100_N21"),
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PINCTRL_PIN(STN8815_PIN_N20, "GPIO101_N20"),
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PINCTRL_PIN(STN8815_PIN_P22, "GPIO102_P22"),
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PINCTRL_PIN(STN8815_PIN_N22, "GPIO103_N22"),
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PINCTRL_PIN(STN8815_PIN_V22, "GPIO104_V22"),
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PINCTRL_PIN(STN8815_PIN_V21, "GPIO105_V21"),
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PINCTRL_PIN(STN8815_PIN_K22, "GPIO106_K22"),
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PINCTRL_PIN(STN8815_PIN_K21, "GPIO107_K21"),
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PINCTRL_PIN(STN8815_PIN_H20, "GPIO108_H20"),
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PINCTRL_PIN(STN8815_PIN_G20, "GPIO109_G20"),
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PINCTRL_PIN(STN8815_PIN_L21, "GPIO110_L21"),
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PINCTRL_PIN(STN8815_PIN_H21, "GPIO111_H21"),
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PINCTRL_PIN(STN8815_PIN_J21, "GPIO112_J21"),
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PINCTRL_PIN(STN8815_PIN_H22, "GPIO113_H22"),
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PINCTRL_PIN(STN8815_PIN_K20, "GPIO114_K20"),
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PINCTRL_PIN(STN8815_PIN_L22, "GPIO115_L22"),
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PINCTRL_PIN(STN8815_PIN_G21, "GPIO116_G21"),
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PINCTRL_PIN(STN8815_PIN_J20, "GPIO117_J20"),
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PINCTRL_PIN(STN8815_PIN_G22, "GPIO118_G22"),
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PINCTRL_PIN(STN8815_PIN_U19, "GPIO119_U19"),
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PINCTRL_PIN(STN8815_PIN_G19, "GPIO120_G19"),
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PINCTRL_PIN(STN8815_PIN_M22, "GPIO121_M22"),
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PINCTRL_PIN(STN8815_PIN_M19, "GPIO122_M19"),
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PINCTRL_PIN(STN8815_PIN_J22, "GPIO123_J22"),
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};
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#define STN8815_GPIO_RANGE(a, b, c) { .name = "STN8815", .id = a, .base = b, \
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.pin_base = b, .npins = c }
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/*
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* This matches the 32-pin gpio chips registered by the GPIO portion. This
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* cannot be const since we assign the struct gpio_chip * pointer at runtime.
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*/
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static struct pinctrl_gpio_range nmk_stn8815_ranges[] = {
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STN8815_GPIO_RANGE(0, 0, 32),
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STN8815_GPIO_RANGE(1, 32, 32),
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STN8815_GPIO_RANGE(2, 64, 32),
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STN8815_GPIO_RANGE(3, 96, 28),
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};
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/*
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* Read the pin group names like this:
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* u0_a_1 = first groups of pins for uart0 on alt function a
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* i2c2_b_2 = second group of pins for i2c2 on alt function b
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*/
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/* Altfunction A */
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static const unsigned u0_a_1_pins[] = { STN8815_PIN_B4, STN8815_PIN_D5,
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STN8815_PIN_C5, STN8815_PIN_A4, STN8815_PIN_B5, STN8815_PIN_D6,
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STN8815_PIN_C6, STN8815_PIN_B6 };
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static const unsigned mmcsd_a_1_pins[] = { STN8815_PIN_B10, STN8815_PIN_A10,
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STN8815_PIN_C11, STN8815_PIN_B11, STN8815_PIN_A11, STN8815_PIN_C12,
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STN8815_PIN_B12, STN8815_PIN_A12, STN8815_PIN_C13, STN8815_PIN_C15 };
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static const unsigned mmcsd_b_1_pins[] = { STN8815_PIN_D15 };
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static const unsigned u1_a_1_pins[] = { STN8815_PIN_M2, STN8815_PIN_L1,
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STN8815_PIN_F3, STN8815_PIN_F2 };
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static const unsigned i2c1_a_1_pins[] = { STN8815_PIN_L4, STN8815_PIN_L3 };
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static const unsigned i2c0_a_1_pins[] = { STN8815_PIN_D3, STN8815_PIN_D2 };
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/* Altfunction B */
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static const unsigned u1_b_1_pins[] = { STN8815_PIN_B16, STN8815_PIN_A16 };
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static const unsigned i2cusb_b_1_pins[] = { STN8815_PIN_C21, STN8815_PIN_C20 };
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#define STN8815_PIN_GROUP(a, b) { .name = #a, .pins = a##_pins, \
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.npins = ARRAY_SIZE(a##_pins), .altsetting = b }
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static const struct nmk_pingroup nmk_stn8815_groups[] = {
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STN8815_PIN_GROUP(u0_a_1, NMK_GPIO_ALT_A),
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STN8815_PIN_GROUP(mmcsd_a_1, NMK_GPIO_ALT_A),
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STN8815_PIN_GROUP(mmcsd_b_1, NMK_GPIO_ALT_B),
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STN8815_PIN_GROUP(u1_a_1, NMK_GPIO_ALT_A),
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STN8815_PIN_GROUP(i2c1_a_1, NMK_GPIO_ALT_A),
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STN8815_PIN_GROUP(i2c0_a_1, NMK_GPIO_ALT_A),
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STN8815_PIN_GROUP(u1_b_1, NMK_GPIO_ALT_B),
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STN8815_PIN_GROUP(i2cusb_b_1, NMK_GPIO_ALT_B),
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};
|
|
|
|
/* We use this macro to define the groups applicable to a function */
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|
#define STN8815_FUNC_GROUPS(a, b...) \
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static const char * const a##_groups[] = { b };
|
|
|
|
STN8815_FUNC_GROUPS(u0, "u0_a_1");
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|
STN8815_FUNC_GROUPS(mmcsd, "mmcsd_a_1", "mmcsd_b_1");
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|
STN8815_FUNC_GROUPS(u1, "u1_a_1", "u1_b_1");
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|
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;
|
|
}
|