x86/speculation/mds: Fix documentation typo
[linux/fpc-iii.git] / drivers / pinctrl / vt8500 / pinctrl-wmt.h
blob885613396fe78aba18d3ec87647319f1d63e04ad
1 /*
2 * Pinctrl driver for the Wondermedia SoC's
4 * Copyright (c) 2013 Tony Prisk <linux@prisktech.co.nz>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
16 #include <linux/gpio.h>
18 /* VT8500 has no enable register in the extgpio bank. */
19 #define NO_REG 0xFFFF
21 #define WMT_PINCTRL_BANK(__en, __dir, __dout, __din, __pen, __pcfg) \
22 { \
23 .reg_en = __en, \
24 .reg_dir = __dir, \
25 .reg_data_out = __dout, \
26 .reg_data_in = __din, \
27 .reg_pull_en = __pen, \
28 .reg_pull_cfg = __pcfg, \
31 /* Encode/decode the bank/bit pairs into a pin value */
32 #define WMT_PIN(__bank, __offset) ((__bank << 5) | __offset)
33 #define WMT_BANK_FROM_PIN(__pin) (__pin >> 5)
34 #define WMT_BIT_FROM_PIN(__pin) (__pin & 0x1f)
36 #define WMT_GROUP(__name, __data) \
37 { \
38 .name = __name, \
39 .pins = __data, \
40 .npins = ARRAY_SIZE(__data), \
43 struct wmt_pinctrl_bank_registers {
44 u32 reg_en;
45 u32 reg_dir;
46 u32 reg_data_out;
47 u32 reg_data_in;
49 u32 reg_pull_en;
50 u32 reg_pull_cfg;
53 struct wmt_pinctrl_group {
54 const char *name;
55 const unsigned int *pins;
56 const unsigned npins;
59 struct wmt_pinctrl_data {
60 struct device *dev;
61 struct pinctrl_dev *pctl_dev;
63 /* must be initialized before calling wmt_pinctrl_probe */
64 void __iomem *base;
65 const struct wmt_pinctrl_bank_registers *banks;
66 const struct pinctrl_pin_desc *pins;
67 const char * const *groups;
69 u32 nbanks;
70 u32 npins;
71 u32 ngroups;
73 struct gpio_chip gpio_chip;
74 struct pinctrl_gpio_range gpio_range;
77 int wmt_pinctrl_probe(struct platform_device *pdev,
78 struct wmt_pinctrl_data *data);