Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2
3#ifndef __LINUX_MFD_MAX7360_H
4#define __LINUX_MFD_MAX7360_H
5
6#include <linux/bits.h>
7
8#define MAX7360_MAX_KEY_ROWS 8
9#define MAX7360_MAX_KEY_COLS 8
10#define MAX7360_MAX_KEY_NUM (MAX7360_MAX_KEY_ROWS * MAX7360_MAX_KEY_COLS)
11#define MAX7360_ROW_SHIFT 3
12
13#define MAX7360_MAX_GPIO 8
14#define MAX7360_MAX_GPO 6
15#define MAX7360_PORT_PWM_COUNT 8
16#define MAX7360_PORT_RTR_PIN (MAX7360_PORT_PWM_COUNT - 1)
17
18/*
19 * MAX7360 registers
20 */
21#define MAX7360_REG_KEYFIFO 0x00
22#define MAX7360_REG_CONFIG 0x01
23#define MAX7360_REG_DEBOUNCE 0x02
24#define MAX7360_REG_INTERRUPT 0x03
25#define MAX7360_REG_PORTS 0x04
26#define MAX7360_REG_KEYREP 0x05
27#define MAX7360_REG_SLEEP 0x06
28
29/*
30 * MAX7360 GPIO registers
31 *
32 * All these registers are reset together when writing bit 3 of
33 * MAX7360_REG_GPIOCFG.
34 */
35#define MAX7360_REG_GPIOCFG 0x40
36#define MAX7360_REG_GPIOCTRL 0x41
37#define MAX7360_REG_GPIODEB 0x42
38#define MAX7360_REG_GPIOCURR 0x43
39#define MAX7360_REG_GPIOOUTM 0x44
40#define MAX7360_REG_PWMCOM 0x45
41#define MAX7360_REG_RTRCFG 0x46
42#define MAX7360_REG_I2C_TIMEOUT 0x48
43#define MAX7360_REG_GPIOIN 0x49
44#define MAX7360_REG_RTR_CNT 0x4A
45#define MAX7360_REG_PWMBASE 0x50
46#define MAX7360_REG_PWMCFGBASE 0x58
47
48#define MAX7360_REG_GPIO_LAST 0x5F
49
50#define MAX7360_REG_PWM(x) (MAX7360_REG_PWMBASE + (x))
51#define MAX7360_REG_PWMCFG(x) (MAX7360_REG_PWMCFGBASE + (x))
52
53/*
54 * Configuration register bits
55 */
56#define MAX7360_FIFO_EMPTY 0x3F
57#define MAX7360_FIFO_OVERFLOW 0x7F
58#define MAX7360_FIFO_RELEASE BIT(6)
59#define MAX7360_FIFO_COL GENMASK(5, 3)
60#define MAX7360_FIFO_ROW GENMASK(2, 0)
61
62#define MAX7360_CFG_SLEEP BIT(7)
63#define MAX7360_CFG_INTERRUPT BIT(5)
64#define MAX7360_CFG_KEY_RELEASE BIT(3)
65#define MAX7360_CFG_WAKEUP BIT(1)
66#define MAX7360_CFG_TIMEOUT BIT(0)
67
68#define MAX7360_DEBOUNCE GENMASK(4, 0)
69#define MAX7360_DEBOUNCE_MIN 9
70#define MAX7360_DEBOUNCE_MAX 40
71#define MAX7360_PORTS GENMASK(8, 5)
72
73#define MAX7360_INTERRUPT_TIME_MASK GENMASK(4, 0)
74#define MAX7360_INTERRUPT_FIFO_MASK GENMASK(7, 5)
75
76#define MAX7360_PORT_CFG_INTERRUPT_MASK BIT(7)
77#define MAX7360_PORT_CFG_INTERRUPT_EDGES BIT(6)
78#define MAX7360_PORT_CFG_COMMON_PWM BIT(5)
79
80/*
81 * Autosleep register values
82 */
83#define MAX7360_AUTOSLEEP_8192MS 0x01
84#define MAX7360_AUTOSLEEP_4096MS 0x02
85#define MAX7360_AUTOSLEEP_2048MS 0x03
86#define MAX7360_AUTOSLEEP_1024MS 0x04
87#define MAX7360_AUTOSLEEP_512MS 0x05
88#define MAX7360_AUTOSLEEP_256MS 0x06
89
90#define MAX7360_GPIO_CFG_RTR_EN BIT(7)
91#define MAX7360_GPIO_CFG_GPIO_EN BIT(4)
92#define MAX7360_GPIO_CFG_GPIO_RST BIT(3)
93
94#define MAX7360_ROT_DEBOUNCE GENMASK(3, 0)
95#define MAX7360_ROT_DEBOUNCE_MIN 0
96#define MAX7360_ROT_DEBOUNCE_MAX 15
97#define MAX7360_ROT_INTCNT GENMASK(6, 4)
98#define MAX7360_ROT_INTCNT_DLY BIT(7)
99
100#define MAX7360_INT_INTI 0
101#define MAX7360_INT_INTK 1
102
103#define MAX7360_INT_GPIO 0
104#define MAX7360_INT_KEYPAD 1
105#define MAX7360_INT_ROTARY 2
106
107#define MAX7360_NR_INTERNAL_IRQS 3
108
109#endif