xref: /openbmc/linux/drivers/pinctrl/starfive/pinctrl-starfive-jh7110-sys.c (revision 82a040a8fa9b4f3845eff73a69a9931a59335902)
1447976abSJianlong Huang // SPDX-License-Identifier: GPL-2.0
2447976abSJianlong Huang /*
3447976abSJianlong Huang  * Pinctrl / GPIO driver for StarFive JH7110 SoC sys controller
4447976abSJianlong Huang  *
5447976abSJianlong Huang  * Copyright (C) 2022 Emil Renner Berthing <kernel@esmil.dk>
6447976abSJianlong Huang  * Copyright (C) 2022 StarFive Technology Co., Ltd.
7447976abSJianlong Huang  */
8447976abSJianlong Huang 
9447976abSJianlong Huang #include <linux/bits.h>
10447976abSJianlong Huang #include <linux/clk.h>
11447976abSJianlong Huang #include <linux/gpio/driver.h>
12447976abSJianlong Huang #include <linux/io.h>
13447976abSJianlong Huang #include <linux/mod_devicetable.h>
14447976abSJianlong Huang #include <linux/module.h>
15447976abSJianlong Huang #include <linux/mutex.h>
16447976abSJianlong Huang #include <linux/platform_device.h>
17447976abSJianlong Huang #include <linux/reset.h>
18447976abSJianlong Huang #include <linux/spinlock.h>
19447976abSJianlong Huang 
20447976abSJianlong Huang #include <linux/pinctrl/pinctrl.h>
21447976abSJianlong Huang #include <linux/pinctrl/pinmux.h>
22447976abSJianlong Huang 
23447976abSJianlong Huang #include <dt-bindings/pinctrl/starfive,jh7110-pinctrl.h>
24447976abSJianlong Huang 
25447976abSJianlong Huang #include "../core.h"
26447976abSJianlong Huang #include "../pinctrl-utils.h"
27447976abSJianlong Huang #include "../pinmux.h"
28447976abSJianlong Huang #include "../pinconf.h"
29447976abSJianlong Huang #include "pinctrl-starfive-jh7110.h"
30447976abSJianlong Huang 
31447976abSJianlong Huang #define JH7110_SYS_NGPIO		64
32447976abSJianlong Huang #define JH7110_SYS_GC_BASE		0
33447976abSJianlong Huang 
34*64061b67SHal Feng #define JH7110_SYS_REGS_NUM		174
35*64061b67SHal Feng 
36447976abSJianlong Huang /* registers */
37447976abSJianlong Huang #define JH7110_SYS_DOEN			0x000
38447976abSJianlong Huang #define JH7110_SYS_DOUT			0x040
39447976abSJianlong Huang #define JH7110_SYS_GPI			0x080
40447976abSJianlong Huang #define JH7110_SYS_GPIOIN		0x118
41447976abSJianlong Huang 
42447976abSJianlong Huang #define JH7110_SYS_GPIOEN		0x0dc
43447976abSJianlong Huang #define JH7110_SYS_GPIOIS0		0x0e0
44447976abSJianlong Huang #define JH7110_SYS_GPIOIS1		0x0e4
45447976abSJianlong Huang #define JH7110_SYS_GPIOIC0		0x0e8
46447976abSJianlong Huang #define JH7110_SYS_GPIOIC1		0x0ec
47447976abSJianlong Huang #define JH7110_SYS_GPIOIBE0		0x0f0
48447976abSJianlong Huang #define JH7110_SYS_GPIOIBE1		0x0f4
49447976abSJianlong Huang #define JH7110_SYS_GPIOIEV0		0x0f8
50447976abSJianlong Huang #define JH7110_SYS_GPIOIEV1		0x0fc
51447976abSJianlong Huang #define JH7110_SYS_GPIOIE0		0x100
52447976abSJianlong Huang #define JH7110_SYS_GPIOIE1		0x104
53447976abSJianlong Huang #define JH7110_SYS_GPIORIS0		0x108
54447976abSJianlong Huang #define JH7110_SYS_GPIORIS1		0x10c
55447976abSJianlong Huang #define JH7110_SYS_GPIOMIS0		0x110
56447976abSJianlong Huang #define JH7110_SYS_GPIOMIS1		0x114
57447976abSJianlong Huang 
58447976abSJianlong Huang #define JH7110_SYS_GPO_PDA_0_74_CFG	0x120
59447976abSJianlong Huang #define JH7110_SYS_GPO_PDA_89_94_CFG	0x284
60447976abSJianlong Huang 
61447976abSJianlong Huang static const struct pinctrl_pin_desc jh7110_sys_pins[] = {
62447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO0,		"GPIO0"),
63447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO1,		"GPIO1"),
64447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO2,		"GPIO2"),
65447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO3,		"GPIO3"),
66447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO4,		"GPIO4"),
67447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO5,		"GPIO5"),
68447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO6,		"GPIO6"),
69447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO7,		"GPIO7"),
70447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO8,		"GPIO8"),
71447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO9,		"GPIO9"),
72447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO10,		"GPIO10"),
73447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO11,		"GPIO11"),
74447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO12,		"GPIO12"),
75447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO13,		"GPIO13"),
76447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO14,		"GPIO14"),
77447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO15,		"GPIO15"),
78447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO16,		"GPIO16"),
79447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO17,		"GPIO17"),
80447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO18,		"GPIO18"),
81447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO19,		"GPIO19"),
82447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO20,		"GPIO20"),
83447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO21,		"GPIO21"),
84447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO22,		"GPIO22"),
85447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO23,		"GPIO23"),
86447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO24,		"GPIO24"),
87447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO25,		"GPIO25"),
88447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO26,		"GPIO26"),
89447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO27,		"GPIO27"),
90447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO28,		"GPIO28"),
91447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO29,		"GPIO29"),
92447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO30,		"GPIO30"),
93447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO31,		"GPIO31"),
94447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO32,		"GPIO32"),
95447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO33,		"GPIO33"),
96447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO34,		"GPIO34"),
97447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO35,		"GPIO35"),
98447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO36,		"GPIO36"),
99447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO37,		"GPIO37"),
100447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO38,		"GPIO38"),
101447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO39,		"GPIO39"),
102447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO40,		"GPIO40"),
103447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO41,		"GPIO41"),
104447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO42,		"GPIO42"),
105447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO43,		"GPIO43"),
106447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO44,		"GPIO44"),
107447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO45,		"GPIO45"),
108447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO46,		"GPIO46"),
109447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO47,		"GPIO47"),
110447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO48,		"GPIO48"),
111447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO49,		"GPIO49"),
112447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO50,		"GPIO50"),
113447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO51,		"GPIO51"),
114447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO52,		"GPIO52"),
115447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO53,		"GPIO53"),
116447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO54,		"GPIO54"),
117447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO55,		"GPIO55"),
118447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO56,		"GPIO56"),
119447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO57,		"GPIO57"),
120447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO58,		"GPIO58"),
121447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO59,		"GPIO59"),
122447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO60,		"GPIO60"),
123447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO61,		"GPIO61"),
124447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO62,		"GPIO62"),
125447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO63,		"GPIO63"),
126447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_CLK,	"SD0_CLK"),
127447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_CMD,	"SD0_CMD"),
128447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA0,	"SD0_DATA0"),
129447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA1,	"SD0_DATA1"),
130447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA2,	"SD0_DATA2"),
131447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA3,	"SD0_DATA3"),
132447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA4,	"SD0_DATA4"),
133447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA5,	"SD0_DATA5"),
134447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA6,	"SD0_DATA6"),
135447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA7,	"SD0_DATA7"),
136447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_STRB,	"SD0_STRB"),
137447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_MDC,	"GMAC1_MDC"),
138447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_MDIO,	"GMAC1_MDIO"),
139447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_RXD0,	"GMAC1_RXD0"),
140447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_RXD1,	"GMAC1_RXD1"),
141447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_RXD2,	"GMAC1_RXD2"),
142447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_RXD3,	"GMAC1_RXD3"),
143447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_RXDV,	"GMAC1_RXDV"),
144447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_RXC,	"GMAC1_RXC"),
145447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_TXD0,	"GMAC1_TXD0"),
146447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_TXD1,	"GMAC1_TXD1"),
147447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_TXD2,	"GMAC1_TXD2"),
148447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_TXD3,	"GMAC1_TXD3"),
149447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_TXEN,	"GMAC1_TXEN"),
150447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_TXC,	"GMAC1_TXC"),
151447976abSJianlong Huang 	PINCTRL_PIN(PAD_QSPI_SCLK,	"QSPI_SCLK"),
152447976abSJianlong Huang 	PINCTRL_PIN(PAD_QSPI_CS0,	"QSPI_CS0"),
153447976abSJianlong Huang 	PINCTRL_PIN(PAD_QSPI_DATA0,	"QSPI_DATA0"),
154447976abSJianlong Huang 	PINCTRL_PIN(PAD_QSPI_DATA1,	"QSPI_DATA1"),
155447976abSJianlong Huang 	PINCTRL_PIN(PAD_QSPI_DATA2,	"QSPI_DATA2"),
156447976abSJianlong Huang 	PINCTRL_PIN(PAD_QSPI_DATA3,	"QSPI_DATA3"),
157447976abSJianlong Huang };
158447976abSJianlong Huang 
159447976abSJianlong Huang struct jh7110_func_sel {
160447976abSJianlong Huang 	u16 offset;
161447976abSJianlong Huang 	u8 shift;
162447976abSJianlong Huang 	u8 max;
163447976abSJianlong Huang };
164447976abSJianlong Huang 
165447976abSJianlong Huang static const struct jh7110_func_sel
166447976abSJianlong Huang 	jh7110_sys_func_sel[ARRAY_SIZE(jh7110_sys_pins)] = {
167447976abSJianlong Huang 	[PAD_GMAC1_RXC] = { 0x29c,  0, 1 },
168447976abSJianlong Huang 	[PAD_GPIO10]    = { 0x29c,  2, 3 },
169447976abSJianlong Huang 	[PAD_GPIO11]    = { 0x29c,  5, 3 },
170447976abSJianlong Huang 	[PAD_GPIO12]    = { 0x29c,  8, 3 },
171447976abSJianlong Huang 	[PAD_GPIO13]    = { 0x29c, 11, 3 },
172447976abSJianlong Huang 	[PAD_GPIO14]    = { 0x29c, 14, 3 },
173447976abSJianlong Huang 	[PAD_GPIO15]    = { 0x29c, 17, 3 },
174447976abSJianlong Huang 	[PAD_GPIO16]    = { 0x29c, 20, 3 },
175447976abSJianlong Huang 	[PAD_GPIO17]    = { 0x29c, 23, 3 },
176447976abSJianlong Huang 	[PAD_GPIO18]    = { 0x29c, 26, 3 },
177447976abSJianlong Huang 	[PAD_GPIO19]    = { 0x29c, 29, 3 },
178447976abSJianlong Huang 
179447976abSJianlong Huang 	[PAD_GPIO20]    = { 0x2a0,  0, 3 },
180447976abSJianlong Huang 	[PAD_GPIO21]    = { 0x2a0,  3, 3 },
181447976abSJianlong Huang 	[PAD_GPIO22]    = { 0x2a0,  6, 3 },
182447976abSJianlong Huang 	[PAD_GPIO23]    = { 0x2a0,  9, 3 },
183447976abSJianlong Huang 	[PAD_GPIO24]    = { 0x2a0, 12, 3 },
184447976abSJianlong Huang 	[PAD_GPIO25]    = { 0x2a0, 15, 3 },
185447976abSJianlong Huang 	[PAD_GPIO26]    = { 0x2a0, 18, 3 },
186447976abSJianlong Huang 	[PAD_GPIO27]    = { 0x2a0, 21, 3 },
187447976abSJianlong Huang 	[PAD_GPIO28]    = { 0x2a0, 24, 3 },
188447976abSJianlong Huang 	[PAD_GPIO29]    = { 0x2a0, 27, 3 },
189447976abSJianlong Huang 
190447976abSJianlong Huang 	[PAD_GPIO30]    = { 0x2a4,  0, 3 },
191447976abSJianlong Huang 	[PAD_GPIO31]    = { 0x2a4,  3, 3 },
192447976abSJianlong Huang 	[PAD_GPIO32]    = { 0x2a4,  6, 3 },
193447976abSJianlong Huang 	[PAD_GPIO33]    = { 0x2a4,  9, 3 },
194447976abSJianlong Huang 	[PAD_GPIO34]    = { 0x2a4, 12, 3 },
195447976abSJianlong Huang 	[PAD_GPIO35]    = { 0x2a4, 15, 3 },
196447976abSJianlong Huang 	[PAD_GPIO36]    = { 0x2a4, 17, 3 },
197447976abSJianlong Huang 	[PAD_GPIO37]    = { 0x2a4, 20, 3 },
198447976abSJianlong Huang 	[PAD_GPIO38]    = { 0x2a4, 23, 3 },
199447976abSJianlong Huang 	[PAD_GPIO39]    = { 0x2a4, 26, 3 },
200447976abSJianlong Huang 	[PAD_GPIO40]    = { 0x2a4, 29, 3 },
201447976abSJianlong Huang 
202447976abSJianlong Huang 	[PAD_GPIO41]    = { 0x2a8,  0, 3 },
203447976abSJianlong Huang 	[PAD_GPIO42]    = { 0x2a8,  3, 3 },
204447976abSJianlong Huang 	[PAD_GPIO43]    = { 0x2a8,  6, 3 },
205447976abSJianlong Huang 	[PAD_GPIO44]    = { 0x2a8,  9, 3 },
206447976abSJianlong Huang 	[PAD_GPIO45]    = { 0x2a8, 12, 3 },
207447976abSJianlong Huang 	[PAD_GPIO46]    = { 0x2a8, 15, 3 },
208447976abSJianlong Huang 	[PAD_GPIO47]    = { 0x2a8, 18, 3 },
209447976abSJianlong Huang 	[PAD_GPIO48]    = { 0x2a8, 21, 3 },
210447976abSJianlong Huang 	[PAD_GPIO49]    = { 0x2a8, 24, 3 },
211447976abSJianlong Huang 	[PAD_GPIO50]    = { 0x2a8, 27, 3 },
212447976abSJianlong Huang 	[PAD_GPIO51]    = { 0x2a8, 30, 3 },
213447976abSJianlong Huang 
214447976abSJianlong Huang 	[PAD_GPIO52]    = { 0x2ac,  0, 3 },
215447976abSJianlong Huang 	[PAD_GPIO53]    = { 0x2ac,  2, 3 },
216447976abSJianlong Huang 	[PAD_GPIO54]    = { 0x2ac,  4, 3 },
217447976abSJianlong Huang 	[PAD_GPIO55]    = { 0x2ac,  6, 3 },
218447976abSJianlong Huang 	[PAD_GPIO56]    = { 0x2ac,  9, 3 },
219447976abSJianlong Huang 	[PAD_GPIO57]    = { 0x2ac, 12, 3 },
220447976abSJianlong Huang 	[PAD_GPIO58]    = { 0x2ac, 15, 3 },
221447976abSJianlong Huang 	[PAD_GPIO59]    = { 0x2ac, 18, 3 },
222447976abSJianlong Huang 	[PAD_GPIO60]    = { 0x2ac, 21, 3 },
223447976abSJianlong Huang 	[PAD_GPIO61]    = { 0x2ac, 24, 3 },
224447976abSJianlong Huang 	[PAD_GPIO62]    = { 0x2ac, 27, 3 },
225447976abSJianlong Huang 	[PAD_GPIO63]    = { 0x2ac, 30, 3 },
226447976abSJianlong Huang 
227447976abSJianlong Huang 	[PAD_GPIO6]     = { 0x2b0,  0, 3 },
228447976abSJianlong Huang 	[PAD_GPIO7]     = { 0x2b0,  2, 3 },
229447976abSJianlong Huang 	[PAD_GPIO8]     = { 0x2b0,  5, 3 },
230447976abSJianlong Huang 	[PAD_GPIO9]     = { 0x2b0,  8, 3 },
231447976abSJianlong Huang };
232447976abSJianlong Huang 
233447976abSJianlong Huang struct jh7110_vin_group_sel {
234447976abSJianlong Huang 	u16 offset;
235447976abSJianlong Huang 	u8 shift;
236447976abSJianlong Huang 	u8 group;
237447976abSJianlong Huang };
238447976abSJianlong Huang 
239447976abSJianlong Huang static const struct jh7110_vin_group_sel
240447976abSJianlong Huang 	jh7110_sys_vin_group_sel[ARRAY_SIZE(jh7110_sys_pins)] = {
241447976abSJianlong Huang 	[PAD_GPIO6]     = { 0x2b4, 21, 0 },
242447976abSJianlong Huang 	[PAD_GPIO7]     = { 0x2b4, 18, 0 },
243447976abSJianlong Huang 	[PAD_GPIO8]     = { 0x2b4, 15, 0 },
244447976abSJianlong Huang 	[PAD_GPIO9]     = { 0x2b0, 11, 0 },
245447976abSJianlong Huang 	[PAD_GPIO10]    = { 0x2b0, 20, 0 },
246447976abSJianlong Huang 	[PAD_GPIO11]    = { 0x2b0, 23, 0 },
247447976abSJianlong Huang 	[PAD_GPIO12]    = { 0x2b0, 26, 0 },
248447976abSJianlong Huang 	[PAD_GPIO13]    = { 0x2b0, 29, 0 },
249447976abSJianlong Huang 	[PAD_GPIO14]    = { 0x2b4,  0, 0 },
250447976abSJianlong Huang 	[PAD_GPIO15]    = { 0x2b4,  3, 0 },
251447976abSJianlong Huang 	[PAD_GPIO16]    = { 0x2b4,  6, 0 },
252447976abSJianlong Huang 	[PAD_GPIO17]    = { 0x2b4,  9, 0 },
253447976abSJianlong Huang 	[PAD_GPIO18]    = { 0x2b4, 12, 0 },
254447976abSJianlong Huang 	[PAD_GPIO19]    = { 0x2b0, 14, 0 },
255447976abSJianlong Huang 	[PAD_GPIO20]    = { 0x2b0, 17, 0 },
256447976abSJianlong Huang 
257447976abSJianlong Huang 	[PAD_GPIO21]    = { 0x2b4, 21, 1 },
258447976abSJianlong Huang 	[PAD_GPIO22]    = { 0x2b4, 18, 1 },
259447976abSJianlong Huang 	[PAD_GPIO23]    = { 0x2b4, 15, 1 },
260447976abSJianlong Huang 	[PAD_GPIO24]    = { 0x2b0, 11, 1 },
261447976abSJianlong Huang 	[PAD_GPIO25]    = { 0x2b0, 20, 1 },
262447976abSJianlong Huang 	[PAD_GPIO26]    = { 0x2b0, 23, 1 },
263447976abSJianlong Huang 	[PAD_GPIO27]    = { 0x2b0, 26, 1 },
264447976abSJianlong Huang 	[PAD_GPIO28]    = { 0x2b0, 29, 1 },
265447976abSJianlong Huang 	[PAD_GPIO29]    = { 0x2b4,  0, 1 },
266447976abSJianlong Huang 	[PAD_GPIO30]    = { 0x2b4,  3, 1 },
267447976abSJianlong Huang 	[PAD_GPIO31]    = { 0x2b4,  6, 1 },
268447976abSJianlong Huang 	[PAD_GPIO32]    = { 0x2b4,  9, 1 },
269447976abSJianlong Huang 	[PAD_GPIO33]    = { 0x2b4, 12, 1 },
270447976abSJianlong Huang 	[PAD_GPIO34]    = { 0x2b0, 14, 1 },
271447976abSJianlong Huang 	[PAD_GPIO35]    = { 0x2b0, 17, 1 },
272447976abSJianlong Huang 
273447976abSJianlong Huang 	[PAD_GPIO36]    = { 0x2b4, 21, 2 },
274447976abSJianlong Huang 	[PAD_GPIO37]    = { 0x2b4, 18, 2 },
275447976abSJianlong Huang 	[PAD_GPIO38]    = { 0x2b4, 15, 2 },
276447976abSJianlong Huang 	[PAD_GPIO39]    = { 0x2b0, 11, 2 },
277447976abSJianlong Huang 	[PAD_GPIO40]    = { 0x2b0, 20, 2 },
278447976abSJianlong Huang 	[PAD_GPIO41]    = { 0x2b0, 23, 2 },
279447976abSJianlong Huang 	[PAD_GPIO42]    = { 0x2b0, 26, 2 },
280447976abSJianlong Huang 	[PAD_GPIO43]    = { 0x2b0, 29, 2 },
281447976abSJianlong Huang 	[PAD_GPIO44]    = { 0x2b4,  0, 2 },
282447976abSJianlong Huang 	[PAD_GPIO45]    = { 0x2b4,  3, 2 },
283447976abSJianlong Huang 	[PAD_GPIO46]    = { 0x2b4,  6, 2 },
284447976abSJianlong Huang 	[PAD_GPIO47]    = { 0x2b4,  9, 2 },
285447976abSJianlong Huang 	[PAD_GPIO48]    = { 0x2b4, 12, 2 },
286447976abSJianlong Huang 	[PAD_GPIO49]    = { 0x2b0, 14, 2 },
287447976abSJianlong Huang 	[PAD_GPIO50]    = { 0x2b0, 17, 2 },
288447976abSJianlong Huang };
289447976abSJianlong Huang 
jh7110_set_function(struct jh7110_pinctrl * sfp,unsigned int pin,u32 func)290447976abSJianlong Huang static void jh7110_set_function(struct jh7110_pinctrl *sfp,
291447976abSJianlong Huang 				unsigned int pin, u32 func)
292447976abSJianlong Huang {
293447976abSJianlong Huang 	const struct jh7110_func_sel *fs = &jh7110_sys_func_sel[pin];
294447976abSJianlong Huang 	unsigned long flags;
295447976abSJianlong Huang 	void __iomem *reg;
296447976abSJianlong Huang 	u32 mask;
297447976abSJianlong Huang 
298447976abSJianlong Huang 	if (!fs->offset)
299447976abSJianlong Huang 		return;
300447976abSJianlong Huang 
301447976abSJianlong Huang 	if (func > fs->max)
302447976abSJianlong Huang 		return;
303447976abSJianlong Huang 
304447976abSJianlong Huang 	reg = sfp->base + fs->offset;
305447976abSJianlong Huang 	func = func << fs->shift;
306447976abSJianlong Huang 	mask = 0x3U << fs->shift;
307447976abSJianlong Huang 
308447976abSJianlong Huang 	raw_spin_lock_irqsave(&sfp->lock, flags);
309447976abSJianlong Huang 	func |= readl_relaxed(reg) & ~mask;
310447976abSJianlong Huang 	writel_relaxed(func, reg);
311447976abSJianlong Huang 	raw_spin_unlock_irqrestore(&sfp->lock, flags);
312447976abSJianlong Huang }
313447976abSJianlong Huang 
jh7110_set_vin_group(struct jh7110_pinctrl * sfp,unsigned int pin)314447976abSJianlong Huang static void jh7110_set_vin_group(struct jh7110_pinctrl *sfp,
315447976abSJianlong Huang 				 unsigned int pin)
316447976abSJianlong Huang {
317447976abSJianlong Huang 	const struct jh7110_vin_group_sel *gs = &jh7110_sys_vin_group_sel[pin];
318447976abSJianlong Huang 	unsigned long flags;
319447976abSJianlong Huang 	void __iomem *reg;
320447976abSJianlong Huang 	u32 mask;
321447976abSJianlong Huang 	u32 grp;
322447976abSJianlong Huang 
323447976abSJianlong Huang 	if (!gs->offset)
324447976abSJianlong Huang 		return;
325447976abSJianlong Huang 
326447976abSJianlong Huang 	reg = sfp->base + gs->offset;
327447976abSJianlong Huang 	grp = gs->group << gs->shift;
328447976abSJianlong Huang 	mask = 0x3U << gs->shift;
329447976abSJianlong Huang 
330447976abSJianlong Huang 	raw_spin_lock_irqsave(&sfp->lock, flags);
331447976abSJianlong Huang 	grp |= readl_relaxed(reg) & ~mask;
332447976abSJianlong Huang 	writel_relaxed(grp, reg);
333447976abSJianlong Huang 	raw_spin_unlock_irqrestore(&sfp->lock, flags);
334447976abSJianlong Huang }
335447976abSJianlong Huang 
jh7110_sys_set_one_pin_mux(struct jh7110_pinctrl * sfp,unsigned int pin,unsigned int din,u32 dout,u32 doen,u32 func)336447976abSJianlong Huang static int jh7110_sys_set_one_pin_mux(struct jh7110_pinctrl *sfp,
337447976abSJianlong Huang 				      unsigned int pin,
338447976abSJianlong Huang 				      unsigned int din, u32 dout,
339447976abSJianlong Huang 				      u32 doen, u32 func)
340447976abSJianlong Huang {
341447976abSJianlong Huang 	if (pin < sfp->gc.ngpio && func == 0)
342447976abSJianlong Huang 		jh7110_set_gpiomux(sfp, pin, din, dout, doen);
343447976abSJianlong Huang 
344447976abSJianlong Huang 	jh7110_set_function(sfp, pin, func);
345447976abSJianlong Huang 
346447976abSJianlong Huang 	if (pin < sfp->gc.ngpio && func == 2)
347447976abSJianlong Huang 		jh7110_set_vin_group(sfp, pin);
348447976abSJianlong Huang 
349447976abSJianlong Huang 	return 0;
350447976abSJianlong Huang }
351447976abSJianlong Huang 
jh7110_sys_get_padcfg_base(struct jh7110_pinctrl * sfp,unsigned int pin)352447976abSJianlong Huang static int jh7110_sys_get_padcfg_base(struct jh7110_pinctrl *sfp,
353447976abSJianlong Huang 				      unsigned int pin)
354447976abSJianlong Huang {
355447976abSJianlong Huang 	if (pin < PAD_GMAC1_MDC)
356447976abSJianlong Huang 		return JH7110_SYS_GPO_PDA_0_74_CFG;
357447976abSJianlong Huang 	else if (pin > PAD_GMAC1_TXC && pin <= PAD_QSPI_DATA3)
358447976abSJianlong Huang 		return JH7110_SYS_GPO_PDA_89_94_CFG;
359447976abSJianlong Huang 	else
360447976abSJianlong Huang 		return -1;
361447976abSJianlong Huang }
362447976abSJianlong Huang 
jh7110_sys_irq_handler(struct irq_desc * desc)363447976abSJianlong Huang static void jh7110_sys_irq_handler(struct irq_desc *desc)
364447976abSJianlong Huang {
365447976abSJianlong Huang 	struct jh7110_pinctrl *sfp = jh7110_from_irq_desc(desc);
366447976abSJianlong Huang 	struct irq_chip *chip = irq_desc_get_chip(desc);
367447976abSJianlong Huang 	unsigned long mis;
368447976abSJianlong Huang 	unsigned int pin;
369447976abSJianlong Huang 
370447976abSJianlong Huang 	chained_irq_enter(chip, desc);
371447976abSJianlong Huang 
372447976abSJianlong Huang 	mis = readl_relaxed(sfp->base + JH7110_SYS_GPIOMIS0);
373447976abSJianlong Huang 	for_each_set_bit(pin, &mis, 32)
374447976abSJianlong Huang 		generic_handle_domain_irq(sfp->gc.irq.domain, pin);
375447976abSJianlong Huang 
376447976abSJianlong Huang 	mis = readl_relaxed(sfp->base + JH7110_SYS_GPIOMIS1);
377447976abSJianlong Huang 	for_each_set_bit(pin, &mis, 32)
378447976abSJianlong Huang 		generic_handle_domain_irq(sfp->gc.irq.domain, pin + 32);
379447976abSJianlong Huang 
380447976abSJianlong Huang 	chained_irq_exit(chip, desc);
381447976abSJianlong Huang }
382447976abSJianlong Huang 
jh7110_sys_init_hw(struct gpio_chip * gc)383447976abSJianlong Huang static int jh7110_sys_init_hw(struct gpio_chip *gc)
384447976abSJianlong Huang {
385447976abSJianlong Huang 	struct jh7110_pinctrl *sfp = container_of(gc,
386447976abSJianlong Huang 			struct jh7110_pinctrl, gc);
387447976abSJianlong Huang 
388447976abSJianlong Huang 	/* mask all GPIO interrupts */
389447976abSJianlong Huang 	writel(0U, sfp->base + JH7110_SYS_GPIOIE0);
390447976abSJianlong Huang 	writel(0U, sfp->base + JH7110_SYS_GPIOIE1);
391447976abSJianlong Huang 	/* clear edge interrupt flags */
392447976abSJianlong Huang 	writel(~0U, sfp->base + JH7110_SYS_GPIOIC0);
393447976abSJianlong Huang 	writel(~0U, sfp->base + JH7110_SYS_GPIOIC1);
394447976abSJianlong Huang 	/* enable GPIO interrupts */
395447976abSJianlong Huang 	writel(1U, sfp->base + JH7110_SYS_GPIOEN);
396447976abSJianlong Huang 	return 0;
397447976abSJianlong Huang }
398447976abSJianlong Huang 
399447976abSJianlong Huang static const struct jh7110_gpio_irq_reg jh7110_sys_irq_reg = {
400447976abSJianlong Huang 	.is_reg_base	= JH7110_SYS_GPIOIS0,
401447976abSJianlong Huang 	.ic_reg_base	= JH7110_SYS_GPIOIC0,
402447976abSJianlong Huang 	.ibe_reg_base	= JH7110_SYS_GPIOIBE0,
403447976abSJianlong Huang 	.iev_reg_base	= JH7110_SYS_GPIOIEV0,
404447976abSJianlong Huang 	.ie_reg_base	= JH7110_SYS_GPIOIE0,
405447976abSJianlong Huang 	.ris_reg_base	= JH7110_SYS_GPIORIS0,
406447976abSJianlong Huang 	.mis_reg_base	= JH7110_SYS_GPIOMIS0,
407447976abSJianlong Huang };
408447976abSJianlong Huang 
409447976abSJianlong Huang static const struct jh7110_pinctrl_soc_info jh7110_sys_pinctrl_info = {
410447976abSJianlong Huang 	.pins		= jh7110_sys_pins,
411447976abSJianlong Huang 	.npins		= ARRAY_SIZE(jh7110_sys_pins),
412447976abSJianlong Huang 	.ngpios		= JH7110_SYS_NGPIO,
413447976abSJianlong Huang 	.gc_base	= JH7110_SYS_GC_BASE,
414447976abSJianlong Huang 	.dout_reg_base	= JH7110_SYS_DOUT,
415447976abSJianlong Huang 	.dout_mask	= GENMASK(6, 0),
416447976abSJianlong Huang 	.doen_reg_base	= JH7110_SYS_DOEN,
417447976abSJianlong Huang 	.doen_mask	= GENMASK(5, 0),
418447976abSJianlong Huang 	.gpi_reg_base	= JH7110_SYS_GPI,
419447976abSJianlong Huang 	.gpi_mask	= GENMASK(6, 0),
420447976abSJianlong Huang 	.gpioin_reg_base	   = JH7110_SYS_GPIOIN,
421447976abSJianlong Huang 	.irq_reg		   = &jh7110_sys_irq_reg,
422*64061b67SHal Feng 	.nsaved_regs		   = JH7110_SYS_REGS_NUM,
423447976abSJianlong Huang 	.jh7110_set_one_pin_mux  = jh7110_sys_set_one_pin_mux,
424447976abSJianlong Huang 	.jh7110_get_padcfg_base  = jh7110_sys_get_padcfg_base,
425447976abSJianlong Huang 	.jh7110_gpio_irq_handler = jh7110_sys_irq_handler,
426447976abSJianlong Huang 	.jh7110_gpio_init_hw	 = jh7110_sys_init_hw,
427447976abSJianlong Huang };
428447976abSJianlong Huang 
429447976abSJianlong Huang static const struct of_device_id jh7110_sys_pinctrl_of_match[] = {
430447976abSJianlong Huang 	{
431447976abSJianlong Huang 		.compatible = "starfive,jh7110-sys-pinctrl",
432447976abSJianlong Huang 		.data = &jh7110_sys_pinctrl_info,
433447976abSJianlong Huang 	},
434447976abSJianlong Huang 	{ /* sentinel */ }
435447976abSJianlong Huang };
436447976abSJianlong Huang MODULE_DEVICE_TABLE(of, jh7110_sys_pinctrl_of_match);
437447976abSJianlong Huang 
438447976abSJianlong Huang static struct platform_driver jh7110_sys_pinctrl_driver = {
439447976abSJianlong Huang 	.probe = jh7110_pinctrl_probe,
440447976abSJianlong Huang 	.driver = {
441447976abSJianlong Huang 		.name = "starfive-jh7110-sys-pinctrl",
442447976abSJianlong Huang 		.of_match_table = jh7110_sys_pinctrl_of_match,
443*64061b67SHal Feng 		.pm = pm_sleep_ptr(&jh7110_pinctrl_pm_ops),
444447976abSJianlong Huang 	},
445447976abSJianlong Huang };
446447976abSJianlong Huang module_platform_driver(jh7110_sys_pinctrl_driver);
447447976abSJianlong Huang 
448447976abSJianlong Huang MODULE_DESCRIPTION("Pinctrl driver for the StarFive JH7110 SoC sys controller");
449447976abSJianlong Huang MODULE_AUTHOR("Emil Renner Berthing <kernel@esmil.dk>");
450447976abSJianlong Huang MODULE_AUTHOR("Jianlong Huang <jianlong.huang@starfivetech.com>");
451447976abSJianlong Huang MODULE_LICENSE("GPL");
452