1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2014 Free Electrons
4 * Copyright (C) 2014 Atmel
5 *
6 * Author: Boris BREZILLON <boris.brezillon@free-electrons.com>
7 */
8
9#ifndef __LINUX_MFD_HLCDC_H
10#define __LINUX_MFD_HLCDC_H
11
12#include <linux/clk.h>
13#include <linux/regmap.h>
14
15#define ATMEL_HLCDC_CFG(i) ((i) * 0x4)
16#define ATMEL_HLCDC_SIG_CFG LCDCFG(5)
17#define ATMEL_HLCDC_HSPOL BIT(0)
18#define ATMEL_HLCDC_VSPOL BIT(1)
19#define ATMEL_HLCDC_VSPDLYS BIT(2)
20#define ATMEL_HLCDC_VSPDLYE BIT(3)
21#define ATMEL_HLCDC_DISPPOL BIT(4)
22#define ATMEL_HLCDC_DITHER BIT(6)
23#define ATMEL_HLCDC_DISPDLY BIT(7)
24#define ATMEL_HLCDC_MODE_MASK GENMASK(9, 8)
25#define ATMEL_XLCDC_MODE_MASK GENMASK(10, 8)
26#define ATMEL_XLCDC_DPI BIT(11)
27#define ATMEL_HLCDC_PP BIT(10)
28#define ATMEL_HLCDC_VSPSU BIT(12)
29#define ATMEL_HLCDC_VSPHO BIT(13)
30#define ATMEL_HLCDC_GUARDTIME_MASK GENMASK(20, 16)
31
32#define ATMEL_HLCDC_EN 0x20
33#define ATMEL_HLCDC_DIS 0x24
34#define ATMEL_HLCDC_SR 0x28
35#define ATMEL_HLCDC_IER 0x2c
36#define ATMEL_HLCDC_IDR 0x30
37#define ATMEL_HLCDC_IMR 0x34
38#define ATMEL_HLCDC_ISR 0x38
39#define ATMEL_XLCDC_ATTRE 0x3c
40
41#define ATMEL_XLCDC_BASE_UPDATE BIT(0)
42#define ATMEL_XLCDC_OVR1_UPDATE BIT(1)
43#define ATMEL_XLCDC_OVR3_UPDATE BIT(2)
44#define ATMEL_XLCDC_HEO_UPDATE BIT(3)
45
46#define ATMEL_HLCDC_CLKPOL BIT(0)
47#define ATMEL_HLCDC_CLKSEL BIT(2)
48#define ATMEL_HLCDC_CLKPWMSEL BIT(3)
49#define ATMEL_HLCDC_CGDIS(i) BIT(8 + (i))
50#define ATMEL_HLCDC_CLKDIV_SHFT 16
51#define ATMEL_HLCDC_CLKDIV_MASK GENMASK(23, 16)
52#define ATMEL_HLCDC_CLKDIV(div) ((div - 2) << ATMEL_HLCDC_CLKDIV_SHFT)
53
54#define ATMEL_HLCDC_PIXEL_CLK BIT(0)
55#define ATMEL_HLCDC_SYNC BIT(1)
56#define ATMEL_HLCDC_DISP BIT(2)
57#define ATMEL_HLCDC_PWM BIT(3)
58#define ATMEL_HLCDC_SIP BIT(4)
59#define ATMEL_XLCDC_SD BIT(5)
60#define ATMEL_XLCDC_CM BIT(6)
61
62#define ATMEL_HLCDC_SOF BIT(0)
63#define ATMEL_HLCDC_SYNCDIS BIT(1)
64#define ATMEL_HLCDC_FIFOERR BIT(4)
65#define ATMEL_HLCDC_LAYER_STATUS(x) BIT((x) + 8)
66
67/**
68 * Structure shared by the MFD device and its subdevices.
69 *
70 * @regmap: register map used to access HLCDC IP registers
71 * @periph_clk: the hlcdc peripheral clock
72 * @sys_clk: the hlcdc system clock
73 * @slow_clk: the system slow clk
74 * @irq: the hlcdc irq
75 */
76struct atmel_hlcdc {
77 struct regmap *regmap;
78 struct clk *periph_clk;
79 struct clk *sys_clk;
80 struct clk *slow_clk;
81 int irq;
82};
83
84#endif /* __LINUX_MFD_HLCDC_H */
85

source code of linux/include/linux/mfd/atmel-hlcdc.h