xref: /freebsd/sys/dev/qcom_tlmm/qcom_tlmm_ipq4018_reg.h (revision 525fe93dc7487a1e63a90f6a2b956abc601963c1)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2021 Adrian Chadd <adrian@FreeBSD.org>
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #ifndef	__QCOM_TLMM_IPQ4018_REG_H__
29 #define	__QCOM_TLMM_IPQ4018_REG_H__
30 
31 /*
32  * Each GPIO pin configuration block exists in a 0x1000 sized window.
33  */
34 #define	QCOM_TLMM_IPQ4018_REG_CONFIG_PIN_BASE		0x0
35 #define	QCOM_TLMM_IPQ4018_REG_CONFIG_PIN_SIZE		0x1000
36 
37 /*
38  * Inside each configuration block are the following registers for
39  * controlling the pin.
40  */
41 #define	QCOM_TLMM_IPQ4018_REG_PIN_CONTROL		0x00
42 			/* 1 = output gpio pin, 0 = input gpio pin */
43 
44 #define		QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_PUPD_MASK	0x3
45 #define		QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_PUPD_SHIFT	0x0
46 #define			QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_PUPD_DISABLE	0
47 #define			QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_PUPD_PULLDOWN	1
48 #define			QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_PUPD_PULLUP	2
49 			/* There's no BUSHOLD on IPQ4018 */
50 #define			QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_PUPD_BUSHOLD	0
51 #define		QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_MUX_MASK	0x7
52 #define		QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_MUX_SHIFT	2
53 			/* function/mux control */
54 #define		QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_DRIVE_STRENGTH_SHIFT	6
55 #define		QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_DRIVE_STRENGTH_MASK	0x7
56 #define		QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_OE_ENABLE	(1U << 9)
57 			/* output enable */
58 #define		QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_VM_ENABLE	(1U << 11)
59 			/* VM passthrough enable */
60 #define		QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_OD_ENABLE	(1U << 12)
61 			/* open drain */
62 #define		QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_RES_MASK	0x3
63 #define		QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_RES_SHIFT	13
64 #define			QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_10K	0x0
65 #define			QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_1K5	0x1
66 #define			QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_35K	0x2
67 #define			QCOM_TLMM_IPQ4018_REG_PIN_CONTROL_20K	0x3
68 
69 #define	QCOM_TLMM_IPQ4018_REG_PIN_IO			0x04
70 #define		QCOM_TLMM_IPQ4018_REG_PIN_IO_INPUT_STATUS	(1U << 0)
71 			/* read gpio input status */
72 #define		QCOM_TLMM_IPQ4018_REG_PIN_IO_OUTPUT_EN		(1U << 1)
73 			/* set gpio output high or low */
74 
75 
76 #define	QCOM_TLMM_IPQ4018_REG_PIN_INTR_CONFIG		0x08
77 #define	QCOM_TLMM_IPQ4018_REG_PIN_INTR_STATUS		0x0c
78 
79 #define	QCOM_TLMM_IPQ4018_REG_PIN(p, reg)		\
80 	    (((p) * QCOM_TLMM_IPQ4018_REG_CONFIG_PIN_SIZE) + \
81 	      QCOM_TLMM_IPQ4018_REG_CONFIG_PIN_BASE + (reg))
82 
83 #endif	/* __QCOM_TLMM_IPQ4018_REG_H__ */
84