xref: /linux/include/linux/mfd/madera/pdata.h (revision 52338415)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Platform data for Cirrus Logic Madera codecs
4  *
5  * Copyright (C) 2015-2018 Cirrus Logic
6  */
7 
8 #ifndef MADERA_PDATA_H
9 #define MADERA_PDATA_H
10 
11 #include <linux/kernel.h>
12 #include <linux/regulator/arizona-ldo1.h>
13 #include <linux/regulator/arizona-micsupp.h>
14 #include <linux/regulator/machine.h>
15 #include <sound/madera-pdata.h>
16 
17 #define MADERA_MAX_MICBIAS		4
18 #define MADERA_MAX_CHILD_MICBIAS	4
19 
20 #define MADERA_MAX_GPSW			2
21 
22 struct gpio_desc;
23 struct pinctrl_map;
24 struct madera_codec_pdata;
25 
26 /**
27  * struct madera_pdata - Configuration data for Madera devices
28  *
29  * @reset:	    GPIO controlling /RESET (NULL = none)
30  * @ldo1:	    Substruct of pdata for the LDO1 regulator
31  * @micvdd:	    Substruct of pdata for the MICVDD regulator
32  * @irq_flags:	    Mode for primary IRQ (defaults to active low)
33  * @gpio_base:	    Base GPIO number
34  * @gpio_configs:   Array of GPIO configurations (See
35  *		    Documentation/driver-api/pinctl.rst)
36  * @n_gpio_configs: Number of entries in gpio_configs
37  * @gpsw:	    General purpose switch mode setting. Depends on the external
38  *		    hardware connected to the switch. (See the SW1_MODE field
39  *		    in the datasheet for the available values for your codec)
40  * @codec:	    Substruct of pdata for the ASoC codec driver
41  */
42 struct madera_pdata {
43 	struct gpio_desc *reset;
44 
45 	struct arizona_ldo1_pdata ldo1;
46 	struct arizona_micsupp_pdata micvdd;
47 
48 	unsigned int irq_flags;
49 	int gpio_base;
50 
51 	const struct pinctrl_map *gpio_configs;
52 	int n_gpio_configs;
53 
54 	u32 gpsw[MADERA_MAX_GPSW];
55 
56 	struct madera_codec_pdata codec;
57 };
58 
59 #endif
60