^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Digital I/O driver for Technologic Systems TS-5500
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2012 Savoir-faire Linux Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Vivien Didelot <vivien.didelot@savoirfairelinux.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Technologic Systems platforms have pin blocks, exposing several Digital
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Input/Output lines (DIO). This driver aims to support single pin blocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * In that sense, the support is not limited to the TS-5500 blocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * Actually, the following platforms have DIO support:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * TS-5500:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * Documentation: http://wiki.embeddedarm.com/wiki/TS-5500
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * Blocks: DIO1, DIO2 and LCD port.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * TS-5600:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * Documentation: http://wiki.embeddedarm.com/wiki/TS-5600
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * Blocks: LCD port (identical to TS-5500 LCD).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/bitops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/gpio/driver.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) /* List of supported Technologic Systems platforms DIO blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) enum ts5500_blocks { TS5500_DIO1, TS5500_DIO2, TS5500_LCD, TS5600_LCD };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct ts5500_priv {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) const struct ts5500_dio *pinout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct gpio_chip gpio_chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) spinlock_t lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) bool strap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) u8 hwirq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * Hex 7D is used to control several blocks (e.g. DIO2 and LCD port).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * This flag ensures that the region has been requested by this driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static bool hex7d_reserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * This structure is used to describe capabilities of DIO lines,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * such as available directions and connected interrupt (if any).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct ts5500_dio {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) const u8 value_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) const u8 value_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) const u8 control_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) const u8 control_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) const bool no_input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) const bool no_output;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) const u8 irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define TS5500_DIO_IN_OUT(vaddr, vbit, caddr, cbit) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .value_addr = vaddr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .value_mask = BIT(vbit), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .control_addr = caddr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .control_mask = BIT(cbit), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define TS5500_DIO_IN(addr, bit) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .value_addr = addr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) .value_mask = BIT(bit), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .no_output = true, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define TS5500_DIO_IN_IRQ(addr, bit, _irq) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) .value_addr = addr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) .value_mask = BIT(bit), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) .no_output = true, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .irq = _irq, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define TS5500_DIO_OUT(addr, bit) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) .value_addr = addr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) .value_mask = BIT(bit), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) .no_input = true, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) * Input/Output DIO lines are programmed in groups of 4. Their values are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) * available through 4 consecutive bits in a value port, whereas the direction
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * of these 4 lines is driven by only 1 bit in a control port.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define TS5500_DIO_GROUP(vaddr, vbitfrom, caddr, cbit) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) TS5500_DIO_IN_OUT(vaddr, vbitfrom + 0, caddr, cbit), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) TS5500_DIO_IN_OUT(vaddr, vbitfrom + 1, caddr, cbit), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) TS5500_DIO_IN_OUT(vaddr, vbitfrom + 2, caddr, cbit), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) TS5500_DIO_IN_OUT(vaddr, vbitfrom + 3, caddr, cbit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) * TS-5500 DIO1 block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * value control dir hw
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * addr bit addr bit in out irq name pin offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) * 0x7b 0 0x7a 0 x x DIO1_0 1 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) * 0x7b 1 0x7a 0 x x DIO1_1 3 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) * 0x7b 2 0x7a 0 x x DIO1_2 5 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) * 0x7b 3 0x7a 0 x x DIO1_3 7 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) * 0x7b 4 0x7a 1 x x DIO1_4 9 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) * 0x7b 5 0x7a 1 x x DIO1_5 11 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) * 0x7b 6 0x7a 1 x x DIO1_6 13 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) * 0x7b 7 0x7a 1 x x DIO1_7 15 7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) * 0x7c 0 0x7a 5 x x DIO1_8 4 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) * 0x7c 1 0x7a 5 x x DIO1_9 6 9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) * 0x7c 2 0x7a 5 x x DIO1_10 8 10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) * 0x7c 3 0x7a 5 x x DIO1_11 10 11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) * 0x7c 4 x DIO1_12 12 12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) * 0x7c 5 x 7 DIO1_13 14 13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) static const struct ts5500_dio ts5500_dio1[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) TS5500_DIO_GROUP(0x7b, 0, 0x7a, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) TS5500_DIO_GROUP(0x7b, 4, 0x7a, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) TS5500_DIO_GROUP(0x7c, 0, 0x7a, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) TS5500_DIO_IN(0x7c, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) TS5500_DIO_IN_IRQ(0x7c, 5, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) * TS-5500 DIO2 block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) * value control dir hw
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) * addr bit addr bit in out irq name pin offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) * 0x7e 0 0x7d 0 x x DIO2_0 1 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) * 0x7e 1 0x7d 0 x x DIO2_1 3 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) * 0x7e 2 0x7d 0 x x DIO2_2 5 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * 0x7e 3 0x7d 0 x x DIO2_3 7 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) * 0x7e 4 0x7d 1 x x DIO2_4 9 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) * 0x7e 5 0x7d 1 x x DIO2_5 11 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) * 0x7e 6 0x7d 1 x x DIO2_6 13 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) * 0x7e 7 0x7d 1 x x DIO2_7 15 7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) * 0x7f 0 0x7d 5 x x DIO2_8 4 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) * 0x7f 1 0x7d 5 x x DIO2_9 6 9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) * 0x7f 2 0x7d 5 x x DIO2_10 8 10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) * 0x7f 3 0x7d 5 x x DIO2_11 10 11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) * 0x7f 4 x 6 DIO2_13 14 12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) static const struct ts5500_dio ts5500_dio2[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) TS5500_DIO_GROUP(0x7e, 0, 0x7d, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) TS5500_DIO_GROUP(0x7e, 4, 0x7d, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) TS5500_DIO_GROUP(0x7f, 0, 0x7d, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) TS5500_DIO_IN_IRQ(0x7f, 4, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) * TS-5500 LCD port used as DIO block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) * TS-5600 LCD port is identical
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) * value control dir hw
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) * addr bit addr bit in out irq name pin offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) * 0x72 0 0x7d 2 x x LCD_0 8 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) * 0x72 1 0x7d 2 x x LCD_1 7 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) * 0x72 2 0x7d 2 x x LCD_2 10 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) * 0x72 3 0x7d 2 x x LCD_3 9 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) * 0x72 4 0x7d 3 x x LCD_4 12 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) * 0x72 5 0x7d 3 x x LCD_5 11 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) * 0x72 6 0x7d 3 x x LCD_6 14 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) * 0x72 7 0x7d 3 x x LCD_7 13 7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) * 0x73 0 x LCD_EN 5 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) * 0x73 6 x LCD_WR 6 9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) * 0x73 7 x 1 LCD_RS 3 10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) static const struct ts5500_dio ts5500_lcd[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) TS5500_DIO_GROUP(0x72, 0, 0x7d, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) TS5500_DIO_GROUP(0x72, 4, 0x7d, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) TS5500_DIO_OUT(0x73, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) TS5500_DIO_IN(0x73, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) TS5500_DIO_IN_IRQ(0x73, 7, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) static inline void ts5500_set_mask(u8 mask, u8 addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) u8 val = inb(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) val |= mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) outb(val, addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) static inline void ts5500_clear_mask(u8 mask, u8 addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) u8 val = inb(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) val &= ~mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) outb(val, addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) static int ts5500_gpio_input(struct gpio_chip *chip, unsigned offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) struct ts5500_priv *priv = gpiochip_get_data(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) const struct ts5500_dio line = priv->pinout[offset];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) if (line.no_input)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) if (line.no_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) spin_lock_irqsave(&priv->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) ts5500_clear_mask(line.control_mask, line.control_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) spin_unlock_irqrestore(&priv->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) static int ts5500_gpio_get(struct gpio_chip *chip, unsigned offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) struct ts5500_priv *priv = gpiochip_get_data(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) const struct ts5500_dio line = priv->pinout[offset];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) return !!(inb(line.value_addr) & line.value_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) static int ts5500_gpio_output(struct gpio_chip *chip, unsigned offset, int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) struct ts5500_priv *priv = gpiochip_get_data(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) const struct ts5500_dio line = priv->pinout[offset];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) if (line.no_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) spin_lock_irqsave(&priv->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) if (!line.no_input)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) ts5500_set_mask(line.control_mask, line.control_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) if (val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) ts5500_set_mask(line.value_mask, line.value_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) ts5500_clear_mask(line.value_mask, line.value_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) spin_unlock_irqrestore(&priv->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) static void ts5500_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) struct ts5500_priv *priv = gpiochip_get_data(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) const struct ts5500_dio line = priv->pinout[offset];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) spin_lock_irqsave(&priv->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) if (val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) ts5500_set_mask(line.value_mask, line.value_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) ts5500_clear_mask(line.value_mask, line.value_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) spin_unlock_irqrestore(&priv->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) static int ts5500_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) struct ts5500_priv *priv = gpiochip_get_data(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) const struct ts5500_dio *block = priv->pinout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) const struct ts5500_dio line = block[offset];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) /* Only one pin is connected to an interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) if (line.irq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) return line.irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) /* As this pin is input-only, we may strap it to another in/out pin */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) if (priv->strap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) return priv->hwirq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) static int ts5500_enable_irq(struct ts5500_priv *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) spin_lock_irqsave(&priv->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) if (priv->hwirq == 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) ts5500_set_mask(BIT(7), 0x7a); /* DIO1_13 on IRQ7 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) else if (priv->hwirq == 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) ts5500_set_mask(BIT(7), 0x7d); /* DIO2_13 on IRQ6 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) else if (priv->hwirq == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) ts5500_set_mask(BIT(6), 0x7d); /* LCD_RS on IRQ1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) spin_unlock_irqrestore(&priv->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) static void ts5500_disable_irq(struct ts5500_priv *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) spin_lock_irqsave(&priv->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) if (priv->hwirq == 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) ts5500_clear_mask(BIT(7), 0x7a); /* DIO1_13 on IRQ7 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) else if (priv->hwirq == 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) ts5500_clear_mask(BIT(7), 0x7d); /* DIO2_13 on IRQ6 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) else if (priv->hwirq == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) ts5500_clear_mask(BIT(6), 0x7d); /* LCD_RS on IRQ1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) dev_err(priv->gpio_chip.parent, "invalid hwirq %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) priv->hwirq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) spin_unlock_irqrestore(&priv->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) static int ts5500_dio_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) enum ts5500_blocks block = platform_get_device_id(pdev)->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) const char *name = dev_name(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) struct ts5500_priv *priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) if (!res) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) dev_err(dev, "missing IRQ resource\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) priv = devm_kzalloc(dev, sizeof(struct ts5500_priv), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) if (!priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) platform_set_drvdata(pdev, priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) priv->hwirq = res->start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) spin_lock_init(&priv->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) priv->gpio_chip.owner = THIS_MODULE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) priv->gpio_chip.label = name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) priv->gpio_chip.parent = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) priv->gpio_chip.direction_input = ts5500_gpio_input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) priv->gpio_chip.direction_output = ts5500_gpio_output;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) priv->gpio_chip.get = ts5500_gpio_get;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) priv->gpio_chip.set = ts5500_gpio_set;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) priv->gpio_chip.to_irq = ts5500_gpio_to_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) priv->gpio_chip.base = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) switch (block) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) case TS5500_DIO1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) priv->pinout = ts5500_dio1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) priv->gpio_chip.ngpio = ARRAY_SIZE(ts5500_dio1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) if (!devm_request_region(dev, 0x7a, 3, name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) dev_err(dev, "failed to request %s ports\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) case TS5500_DIO2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) priv->pinout = ts5500_dio2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) priv->gpio_chip.ngpio = ARRAY_SIZE(ts5500_dio2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) if (!devm_request_region(dev, 0x7e, 2, name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) dev_err(dev, "failed to request %s ports\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) if (hex7d_reserved)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) if (!devm_request_region(dev, 0x7d, 1, name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) dev_err(dev, "failed to request %s 7D\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) hex7d_reserved = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) case TS5500_LCD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) case TS5600_LCD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) priv->pinout = ts5500_lcd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) priv->gpio_chip.ngpio = ARRAY_SIZE(ts5500_lcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) if (!devm_request_region(dev, 0x72, 2, name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) dev_err(dev, "failed to request %s ports\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) if (!hex7d_reserved) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) if (!devm_request_region(dev, 0x7d, 1, name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) dev_err(dev, "failed to request %s 7D\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) hex7d_reserved = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) /* Ensure usage of LCD port as DIO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) spin_lock_irqsave(&priv->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) ts5500_clear_mask(BIT(4), 0x7d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) spin_unlock_irqrestore(&priv->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) ret = devm_gpiochip_add_data(dev, &priv->gpio_chip, priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) dev_err(dev, "failed to register the gpio chip\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) ret = ts5500_enable_irq(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) dev_err(dev, "invalid interrupt %d\n", priv->hwirq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) static int ts5500_dio_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) struct ts5500_priv *priv = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) ts5500_disable_irq(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) static const struct platform_device_id ts5500_dio_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) { "ts5500-dio1", TS5500_DIO1 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) { "ts5500-dio2", TS5500_DIO2 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) { "ts5500-dio-lcd", TS5500_LCD },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) { "ts5600-dio-lcd", TS5600_LCD },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) MODULE_DEVICE_TABLE(platform, ts5500_dio_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) static struct platform_driver ts5500_dio_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) .name = "ts5500-dio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) .probe = ts5500_dio_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) .remove = ts5500_dio_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) .id_table = ts5500_dio_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) module_platform_driver(ts5500_dio_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) MODULE_AUTHOR("Savoir-faire Linux Inc. <kernel@savoirfairelinux.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) MODULE_DESCRIPTION("Technologic Systems TS-5500 Digital I/O driver");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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