Orange Pi5 kernel

^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)  * Industrial I/O driver for Microchip digital potentiometers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Copyright (c) 2015  Axentia Technologies AB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Author: Peter Rosin <peda@axentia.se>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * Datasheet: http://www.microchip.com/downloads/en/DeviceDoc/22096b.pdf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * DEVID	#Wipers	#Positions	Resistor Opts (kOhm)	i2c address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * mcp4531	1	129		5, 10, 50, 100          010111x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  * mcp4532	1	129		5, 10, 50, 100          01011xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * mcp4541	1	129		5, 10, 50, 100          010111x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  * mcp4542	1	129		5, 10, 50, 100          01011xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  * mcp4551	1	257		5, 10, 50, 100          010111x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * mcp4552	1	257		5, 10, 50, 100          01011xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  * mcp4561	1	257		5, 10, 50, 100          010111x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  * mcp4562	1	257		5, 10, 50, 100          01011xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  * mcp4631	2	129		5, 10, 50, 100          0101xxx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  * mcp4632	2	129		5, 10, 50, 100          01011xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20)  * mcp4641	2	129		5, 10, 50, 100          0101xxx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)  * mcp4642	2	129		5, 10, 50, 100          01011xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22)  * mcp4651	2	257		5, 10, 50, 100          0101xxx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)  * mcp4652	2	257		5, 10, 50, 100          01011xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  * mcp4661	2	257		5, 10, 50, 100          0101xxx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  * mcp4662	2	257		5, 10, 50, 100          01011xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #include <linux/mod_devicetable.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #include <linux/property.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #include <linux/iio/iio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) struct mcp4531_cfg {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	int wipers;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	int avail[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	int kohms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) enum mcp4531_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	MCP453x_502,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	MCP453x_103,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	MCP453x_503,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	MCP453x_104,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	MCP454x_502,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	MCP454x_103,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	MCP454x_503,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	MCP454x_104,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	MCP455x_502,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	MCP455x_103,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	MCP455x_503,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	MCP455x_104,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	MCP456x_502,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	MCP456x_103,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	MCP456x_503,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	MCP456x_104,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	MCP463x_502,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	MCP463x_103,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	MCP463x_503,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	MCP463x_104,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	MCP464x_502,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	MCP464x_103,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	MCP464x_503,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	MCP464x_104,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	MCP465x_502,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	MCP465x_103,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	MCP465x_503,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	MCP465x_104,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	MCP466x_502,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	MCP466x_103,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	MCP466x_503,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	MCP466x_104,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) static const struct mcp4531_cfg mcp4531_cfg[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	[MCP453x_502] = { .wipers = 1, .avail = { 0, 1, 128 }, .kohms =   5, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	[MCP453x_103] = { .wipers = 1, .avail = { 0, 1, 128 }, .kohms =  10, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	[MCP453x_503] = { .wipers = 1, .avail = { 0, 1, 128 }, .kohms =  50, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	[MCP453x_104] = { .wipers = 1, .avail = { 0, 1, 128 }, .kohms = 100, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	[MCP454x_502] = { .wipers = 1, .avail = { 0, 1, 128 }, .kohms =   5, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	[MCP454x_103] = { .wipers = 1, .avail = { 0, 1, 128 }, .kohms =  10, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	[MCP454x_503] = { .wipers = 1, .avail = { 0, 1, 128 }, .kohms =  50, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	[MCP454x_104] = { .wipers = 1, .avail = { 0, 1, 128 }, .kohms = 100, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	[MCP455x_502] = { .wipers = 1, .avail = { 0, 1, 256 }, .kohms =   5, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	[MCP455x_103] = { .wipers = 1, .avail = { 0, 1, 256 }, .kohms =  10, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	[MCP455x_503] = { .wipers = 1, .avail = { 0, 1, 256 }, .kohms =  50, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	[MCP455x_104] = { .wipers = 1, .avail = { 0, 1, 256 }, .kohms = 100, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	[MCP456x_502] = { .wipers = 1, .avail = { 0, 1, 256 }, .kohms =   5, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	[MCP456x_103] = { .wipers = 1, .avail = { 0, 1, 256 }, .kohms =  10, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	[MCP456x_503] = { .wipers = 1, .avail = { 0, 1, 256 }, .kohms =  50, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	[MCP456x_104] = { .wipers = 1, .avail = { 0, 1, 256 }, .kohms = 100, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	[MCP463x_502] = { .wipers = 2, .avail = { 0, 1, 128 }, .kohms =   5, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	[MCP463x_103] = { .wipers = 2, .avail = { 0, 1, 128 }, .kohms =  10, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	[MCP463x_503] = { .wipers = 2, .avail = { 0, 1, 128 }, .kohms =  50, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	[MCP463x_104] = { .wipers = 2, .avail = { 0, 1, 128 }, .kohms = 100, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	[MCP464x_502] = { .wipers = 2, .avail = { 0, 1, 128 }, .kohms =   5, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	[MCP464x_103] = { .wipers = 2, .avail = { 0, 1, 128 }, .kohms =  10, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	[MCP464x_503] = { .wipers = 2, .avail = { 0, 1, 128 }, .kohms =  50, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	[MCP464x_104] = { .wipers = 2, .avail = { 0, 1, 128 }, .kohms = 100, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	[MCP465x_502] = { .wipers = 2, .avail = { 0, 1, 256 }, .kohms =   5, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	[MCP465x_103] = { .wipers = 2, .avail = { 0, 1, 256 }, .kohms =  10, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	[MCP465x_503] = { .wipers = 2, .avail = { 0, 1, 256 }, .kohms =  50, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	[MCP465x_104] = { .wipers = 2, .avail = { 0, 1, 256 }, .kohms = 100, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	[MCP466x_502] = { .wipers = 2, .avail = { 0, 1, 256 }, .kohms =   5, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	[MCP466x_103] = { .wipers = 2, .avail = { 0, 1, 256 }, .kohms =  10, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	[MCP466x_503] = { .wipers = 2, .avail = { 0, 1, 256 }, .kohms =  50, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	[MCP466x_104] = { .wipers = 2, .avail = { 0, 1, 256 }, .kohms = 100, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #define MCP4531_WRITE (0 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) #define MCP4531_INCR  (1 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) #define MCP4531_DECR  (2 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) #define MCP4531_READ  (3 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) #define MCP4531_WIPER_SHIFT (4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct mcp4531_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	const struct mcp4531_cfg *cfg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) #define MCP4531_CHANNEL(ch) {						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	.type = IIO_RESISTANCE,						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	.indexed = 1,							\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	.output = 1,							\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	.channel = (ch),						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	.info_mask_shared_by_type_available = BIT(IIO_CHAN_INFO_RAW),	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static const struct iio_chan_spec mcp4531_channels[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	MCP4531_CHANNEL(0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	MCP4531_CHANNEL(1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) static int mcp4531_read_raw(struct iio_dev *indio_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 			    struct iio_chan_spec const *chan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 			    int *val, int *val2, long mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	struct mcp4531_data *data = iio_priv(indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	int address = chan->channel << MCP4531_WIPER_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	s32 ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	switch (mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	case IIO_CHAN_INFO_RAW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		ret = i2c_smbus_read_word_swapped(data->client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 						  MCP4531_READ | address);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		*val = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		return IIO_VAL_INT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	case IIO_CHAN_INFO_SCALE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		*val = 1000 * data->cfg->kohms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		*val2 = data->cfg->avail[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		return IIO_VAL_FRACTIONAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static int mcp4531_read_avail(struct iio_dev *indio_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 			      struct iio_chan_spec const *chan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 			      const int **vals, int *type, int *length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 			      long mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	struct mcp4531_data *data = iio_priv(indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	switch (mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	case IIO_CHAN_INFO_RAW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		*length = ARRAY_SIZE(data->cfg->avail);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		*vals = data->cfg->avail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		*type = IIO_VAL_INT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		return IIO_AVAIL_RANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) static int mcp4531_write_raw(struct iio_dev *indio_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 			     struct iio_chan_spec const *chan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 			     int val, int val2, long mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	struct mcp4531_data *data = iio_priv(indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	int address = chan->channel << MCP4531_WIPER_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	switch (mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	case IIO_CHAN_INFO_RAW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		if (val > data->cfg->avail[2] || val < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		return -EINVAL;
^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) 	return i2c_smbus_write_byte_data(data->client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 					 MCP4531_WRITE | address | (val >> 8),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 					 val & 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) static const struct iio_info mcp4531_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	.read_raw = mcp4531_read_raw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	.read_avail = mcp4531_read_avail,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	.write_raw = mcp4531_write_raw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) static const struct i2c_device_id mcp4531_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	{ "mcp4531-502", MCP453x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	{ "mcp4531-103", MCP453x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	{ "mcp4531-503", MCP453x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	{ "mcp4531-104", MCP453x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	{ "mcp4532-502", MCP453x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	{ "mcp4532-103", MCP453x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	{ "mcp4532-503", MCP453x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	{ "mcp4532-104", MCP453x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	{ "mcp4541-502", MCP454x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	{ "mcp4541-103", MCP454x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	{ "mcp4541-503", MCP454x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	{ "mcp4541-104", MCP454x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	{ "mcp4542-502", MCP454x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	{ "mcp4542-103", MCP454x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	{ "mcp4542-503", MCP454x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	{ "mcp4542-104", MCP454x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	{ "mcp4551-502", MCP455x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	{ "mcp4551-103", MCP455x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	{ "mcp4551-503", MCP455x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	{ "mcp4551-104", MCP455x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	{ "mcp4552-502", MCP455x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	{ "mcp4552-103", MCP455x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	{ "mcp4552-503", MCP455x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	{ "mcp4552-104", MCP455x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	{ "mcp4561-502", MCP456x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	{ "mcp4561-103", MCP456x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	{ "mcp4561-503", MCP456x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	{ "mcp4561-104", MCP456x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	{ "mcp4562-502", MCP456x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	{ "mcp4562-103", MCP456x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	{ "mcp4562-503", MCP456x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	{ "mcp4562-104", MCP456x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	{ "mcp4631-502", MCP463x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	{ "mcp4631-103", MCP463x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	{ "mcp4631-503", MCP463x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	{ "mcp4631-104", MCP463x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	{ "mcp4632-502", MCP463x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	{ "mcp4632-103", MCP463x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	{ "mcp4632-503", MCP463x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	{ "mcp4632-104", MCP463x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	{ "mcp4641-502", MCP464x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	{ "mcp4641-103", MCP464x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	{ "mcp4641-503", MCP464x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	{ "mcp4641-104", MCP464x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	{ "mcp4642-502", MCP464x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	{ "mcp4642-103", MCP464x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	{ "mcp4642-503", MCP464x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	{ "mcp4642-104", MCP464x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	{ "mcp4651-502", MCP465x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	{ "mcp4651-103", MCP465x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	{ "mcp4651-503", MCP465x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	{ "mcp4651-104", MCP465x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	{ "mcp4652-502", MCP465x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	{ "mcp4652-103", MCP465x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	{ "mcp4652-503", MCP465x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	{ "mcp4652-104", MCP465x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	{ "mcp4661-502", MCP466x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	{ "mcp4661-103", MCP466x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	{ "mcp4661-503", MCP466x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	{ "mcp4661-104", MCP466x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	{ "mcp4662-502", MCP466x_502 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	{ "mcp4662-103", MCP466x_103 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	{ "mcp4662-503", MCP466x_503 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	{ "mcp4662-104", MCP466x_104 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) MODULE_DEVICE_TABLE(i2c, mcp4531_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) #define MCP4531_COMPATIBLE(of_compatible, cfg) {	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 			.compatible = of_compatible,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 			.data = &mcp4531_cfg[cfg],	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) static const struct of_device_id mcp4531_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	MCP4531_COMPATIBLE("microchip,mcp4531-502", MCP453x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	MCP4531_COMPATIBLE("microchip,mcp4531-103", MCP453x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	MCP4531_COMPATIBLE("microchip,mcp4531-503", MCP453x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	MCP4531_COMPATIBLE("microchip,mcp4531-104", MCP453x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	MCP4531_COMPATIBLE("microchip,mcp4532-502", MCP453x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	MCP4531_COMPATIBLE("microchip,mcp4532-103", MCP453x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	MCP4531_COMPATIBLE("microchip,mcp4532-503", MCP453x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	MCP4531_COMPATIBLE("microchip,mcp4532-104", MCP453x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	MCP4531_COMPATIBLE("microchip,mcp4541-502", MCP454x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	MCP4531_COMPATIBLE("microchip,mcp4541-103", MCP454x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	MCP4531_COMPATIBLE("microchip,mcp4541-503", MCP454x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	MCP4531_COMPATIBLE("microchip,mcp4541-104", MCP454x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	MCP4531_COMPATIBLE("microchip,mcp4542-502", MCP454x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	MCP4531_COMPATIBLE("microchip,mcp4542-103", MCP454x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	MCP4531_COMPATIBLE("microchip,mcp4542-503", MCP454x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	MCP4531_COMPATIBLE("microchip,mcp4542-104", MCP454x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	MCP4531_COMPATIBLE("microchip,mcp4551-502", MCP455x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	MCP4531_COMPATIBLE("microchip,mcp4551-103", MCP455x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	MCP4531_COMPATIBLE("microchip,mcp4551-503", MCP455x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	MCP4531_COMPATIBLE("microchip,mcp4551-104", MCP455x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	MCP4531_COMPATIBLE("microchip,mcp4552-502", MCP455x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	MCP4531_COMPATIBLE("microchip,mcp4552-103", MCP455x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	MCP4531_COMPATIBLE("microchip,mcp4552-503", MCP455x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	MCP4531_COMPATIBLE("microchip,mcp4552-104", MCP455x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	MCP4531_COMPATIBLE("microchip,mcp4561-502", MCP456x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	MCP4531_COMPATIBLE("microchip,mcp4561-103", MCP456x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	MCP4531_COMPATIBLE("microchip,mcp4561-503", MCP456x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	MCP4531_COMPATIBLE("microchip,mcp4561-104", MCP456x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	MCP4531_COMPATIBLE("microchip,mcp4562-502", MCP456x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	MCP4531_COMPATIBLE("microchip,mcp4562-103", MCP456x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	MCP4531_COMPATIBLE("microchip,mcp4562-503", MCP456x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	MCP4531_COMPATIBLE("microchip,mcp4562-104", MCP456x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 	MCP4531_COMPATIBLE("microchip,mcp4631-502", MCP463x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	MCP4531_COMPATIBLE("microchip,mcp4631-103", MCP463x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	MCP4531_COMPATIBLE("microchip,mcp4631-503", MCP463x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	MCP4531_COMPATIBLE("microchip,mcp4631-104", MCP463x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	MCP4531_COMPATIBLE("microchip,mcp4632-502", MCP463x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	MCP4531_COMPATIBLE("microchip,mcp4632-103", MCP463x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	MCP4531_COMPATIBLE("microchip,mcp4632-503", MCP463x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	MCP4531_COMPATIBLE("microchip,mcp4632-104", MCP463x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	MCP4531_COMPATIBLE("microchip,mcp4641-502", MCP464x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	MCP4531_COMPATIBLE("microchip,mcp4641-103", MCP464x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	MCP4531_COMPATIBLE("microchip,mcp4641-503", MCP464x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	MCP4531_COMPATIBLE("microchip,mcp4641-104", MCP464x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	MCP4531_COMPATIBLE("microchip,mcp4642-502", MCP464x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	MCP4531_COMPATIBLE("microchip,mcp4642-103", MCP464x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	MCP4531_COMPATIBLE("microchip,mcp4642-503", MCP464x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	MCP4531_COMPATIBLE("microchip,mcp4642-104", MCP464x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	MCP4531_COMPATIBLE("microchip,mcp4651-502", MCP465x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	MCP4531_COMPATIBLE("microchip,mcp4651-103", MCP465x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	MCP4531_COMPATIBLE("microchip,mcp4651-503", MCP465x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	MCP4531_COMPATIBLE("microchip,mcp4651-104", MCP465x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	MCP4531_COMPATIBLE("microchip,mcp4652-502", MCP465x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 	MCP4531_COMPATIBLE("microchip,mcp4652-103", MCP465x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	MCP4531_COMPATIBLE("microchip,mcp4652-503", MCP465x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	MCP4531_COMPATIBLE("microchip,mcp4652-104", MCP465x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	MCP4531_COMPATIBLE("microchip,mcp4661-502", MCP466x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	MCP4531_COMPATIBLE("microchip,mcp4661-103", MCP466x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	MCP4531_COMPATIBLE("microchip,mcp4661-503", MCP466x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	MCP4531_COMPATIBLE("microchip,mcp4661-104", MCP466x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	MCP4531_COMPATIBLE("microchip,mcp4662-502", MCP466x_502),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	MCP4531_COMPATIBLE("microchip,mcp4662-103", MCP466x_103),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	MCP4531_COMPATIBLE("microchip,mcp4662-503", MCP466x_503),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	MCP4531_COMPATIBLE("microchip,mcp4662-104", MCP466x_104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	{ /* sentinel */ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) MODULE_DEVICE_TABLE(of, mcp4531_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) static int mcp4531_probe(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 	struct device *dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 	struct mcp4531_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	struct iio_dev *indio_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	if (!i2c_check_functionality(client->adapter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 				     I2C_FUNC_SMBUS_WORD_DATA)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 		dev_err(dev, "SMBUS Word Data not supported\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 		return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	if (!indio_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	data = iio_priv(indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 	i2c_set_clientdata(client, indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	data->client = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	data->cfg = device_get_match_data(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	if (!data->cfg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 		data->cfg = &mcp4531_cfg[i2c_match_id(mcp4531_id, client)->driver_data];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	indio_dev->info = &mcp4531_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	indio_dev->channels = mcp4531_channels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	indio_dev->num_channels = data->cfg->wipers;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	indio_dev->name = client->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 	return devm_iio_device_register(dev, indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) static struct i2c_driver mcp4531_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 		.name	= "mcp4531",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 		.of_match_table = mcp4531_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	.probe_new	= mcp4531_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	.id_table	= mcp4531_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) module_i2c_driver(mcp4531_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) MODULE_AUTHOR("Peter Rosin <peda@axentia.se>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) MODULE_DESCRIPTION("MCP4531 digital potentiometer");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) MODULE_LICENSE("GPL v2");