xref: /openbmc/linux/drivers/pinctrl/starfive/pinctrl-starfive-jh7110-sys.c (revision 447976ab62c5dd6016f06a2f24798407398b5c07)
1*447976abSJianlong Huang // SPDX-License-Identifier: GPL-2.0
2*447976abSJianlong Huang /*
3*447976abSJianlong Huang  * Pinctrl / GPIO driver for StarFive JH7110 SoC sys controller
4*447976abSJianlong Huang  *
5*447976abSJianlong Huang  * Copyright (C) 2022 Emil Renner Berthing <kernel@esmil.dk>
6*447976abSJianlong Huang  * Copyright (C) 2022 StarFive Technology Co., Ltd.
7*447976abSJianlong Huang  */
8*447976abSJianlong Huang 
9*447976abSJianlong Huang #include <linux/bits.h>
10*447976abSJianlong Huang #include <linux/clk.h>
11*447976abSJianlong Huang #include <linux/gpio/driver.h>
12*447976abSJianlong Huang #include <linux/io.h>
13*447976abSJianlong Huang #include <linux/mod_devicetable.h>
14*447976abSJianlong Huang #include <linux/module.h>
15*447976abSJianlong Huang #include <linux/mutex.h>
16*447976abSJianlong Huang #include <linux/of.h>
17*447976abSJianlong Huang #include <linux/of_device.h>
18*447976abSJianlong Huang #include <linux/platform_device.h>
19*447976abSJianlong Huang #include <linux/reset.h>
20*447976abSJianlong Huang #include <linux/spinlock.h>
21*447976abSJianlong Huang 
22*447976abSJianlong Huang #include <linux/pinctrl/pinctrl.h>
23*447976abSJianlong Huang #include <linux/pinctrl/pinmux.h>
24*447976abSJianlong Huang 
25*447976abSJianlong Huang #include <dt-bindings/pinctrl/starfive,jh7110-pinctrl.h>
26*447976abSJianlong Huang 
27*447976abSJianlong Huang #include "../core.h"
28*447976abSJianlong Huang #include "../pinctrl-utils.h"
29*447976abSJianlong Huang #include "../pinmux.h"
30*447976abSJianlong Huang #include "../pinconf.h"
31*447976abSJianlong Huang #include "pinctrl-starfive-jh7110.h"
32*447976abSJianlong Huang 
33*447976abSJianlong Huang #define JH7110_SYS_NGPIO		64
34*447976abSJianlong Huang #define JH7110_SYS_GC_BASE		0
35*447976abSJianlong Huang 
36*447976abSJianlong Huang /* registers */
37*447976abSJianlong Huang #define JH7110_SYS_DOEN			0x000
38*447976abSJianlong Huang #define JH7110_SYS_DOUT			0x040
39*447976abSJianlong Huang #define JH7110_SYS_GPI			0x080
40*447976abSJianlong Huang #define JH7110_SYS_GPIOIN		0x118
41*447976abSJianlong Huang 
42*447976abSJianlong Huang #define JH7110_SYS_GPIOEN		0x0dc
43*447976abSJianlong Huang #define JH7110_SYS_GPIOIS0		0x0e0
44*447976abSJianlong Huang #define JH7110_SYS_GPIOIS1		0x0e4
45*447976abSJianlong Huang #define JH7110_SYS_GPIOIC0		0x0e8
46*447976abSJianlong Huang #define JH7110_SYS_GPIOIC1		0x0ec
47*447976abSJianlong Huang #define JH7110_SYS_GPIOIBE0		0x0f0
48*447976abSJianlong Huang #define JH7110_SYS_GPIOIBE1		0x0f4
49*447976abSJianlong Huang #define JH7110_SYS_GPIOIEV0		0x0f8
50*447976abSJianlong Huang #define JH7110_SYS_GPIOIEV1		0x0fc
51*447976abSJianlong Huang #define JH7110_SYS_GPIOIE0		0x100
52*447976abSJianlong Huang #define JH7110_SYS_GPIOIE1		0x104
53*447976abSJianlong Huang #define JH7110_SYS_GPIORIS0		0x108
54*447976abSJianlong Huang #define JH7110_SYS_GPIORIS1		0x10c
55*447976abSJianlong Huang #define JH7110_SYS_GPIOMIS0		0x110
56*447976abSJianlong Huang #define JH7110_SYS_GPIOMIS1		0x114
57*447976abSJianlong Huang 
58*447976abSJianlong Huang #define JH7110_SYS_GPO_PDA_0_74_CFG	0x120
59*447976abSJianlong Huang #define JH7110_SYS_GPO_PDA_89_94_CFG	0x284
60*447976abSJianlong Huang 
61*447976abSJianlong Huang static const struct pinctrl_pin_desc jh7110_sys_pins[] = {
62*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO0,		"GPIO0"),
63*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO1,		"GPIO1"),
64*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO2,		"GPIO2"),
65*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO3,		"GPIO3"),
66*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO4,		"GPIO4"),
67*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO5,		"GPIO5"),
68*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO6,		"GPIO6"),
69*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO7,		"GPIO7"),
70*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO8,		"GPIO8"),
71*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO9,		"GPIO9"),
72*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO10,		"GPIO10"),
73*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO11,		"GPIO11"),
74*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO12,		"GPIO12"),
75*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO13,		"GPIO13"),
76*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO14,		"GPIO14"),
77*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO15,		"GPIO15"),
78*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO16,		"GPIO16"),
79*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO17,		"GPIO17"),
80*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO18,		"GPIO18"),
81*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO19,		"GPIO19"),
82*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO20,		"GPIO20"),
83*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO21,		"GPIO21"),
84*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO22,		"GPIO22"),
85*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO23,		"GPIO23"),
86*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO24,		"GPIO24"),
87*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO25,		"GPIO25"),
88*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO26,		"GPIO26"),
89*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO27,		"GPIO27"),
90*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO28,		"GPIO28"),
91*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO29,		"GPIO29"),
92*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO30,		"GPIO30"),
93*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO31,		"GPIO31"),
94*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO32,		"GPIO32"),
95*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO33,		"GPIO33"),
96*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO34,		"GPIO34"),
97*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO35,		"GPIO35"),
98*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO36,		"GPIO36"),
99*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO37,		"GPIO37"),
100*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO38,		"GPIO38"),
101*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO39,		"GPIO39"),
102*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO40,		"GPIO40"),
103*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO41,		"GPIO41"),
104*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO42,		"GPIO42"),
105*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO43,		"GPIO43"),
106*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO44,		"GPIO44"),
107*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO45,		"GPIO45"),
108*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO46,		"GPIO46"),
109*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO47,		"GPIO47"),
110*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO48,		"GPIO48"),
111*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO49,		"GPIO49"),
112*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO50,		"GPIO50"),
113*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO51,		"GPIO51"),
114*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO52,		"GPIO52"),
115*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO53,		"GPIO53"),
116*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO54,		"GPIO54"),
117*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO55,		"GPIO55"),
118*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO56,		"GPIO56"),
119*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO57,		"GPIO57"),
120*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO58,		"GPIO58"),
121*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO59,		"GPIO59"),
122*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO60,		"GPIO60"),
123*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO61,		"GPIO61"),
124*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO62,		"GPIO62"),
125*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GPIO63,		"GPIO63"),
126*447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_CLK,	"SD0_CLK"),
127*447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_CMD,	"SD0_CMD"),
128*447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA0,	"SD0_DATA0"),
129*447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA1,	"SD0_DATA1"),
130*447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA2,	"SD0_DATA2"),
131*447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA3,	"SD0_DATA3"),
132*447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA4,	"SD0_DATA4"),
133*447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA5,	"SD0_DATA5"),
134*447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA6,	"SD0_DATA6"),
135*447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_DATA7,	"SD0_DATA7"),
136*447976abSJianlong Huang 	PINCTRL_PIN(PAD_SD0_STRB,	"SD0_STRB"),
137*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_MDC,	"GMAC1_MDC"),
138*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_MDIO,	"GMAC1_MDIO"),
139*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_RXD0,	"GMAC1_RXD0"),
140*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_RXD1,	"GMAC1_RXD1"),
141*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_RXD2,	"GMAC1_RXD2"),
142*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_RXD3,	"GMAC1_RXD3"),
143*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_RXDV,	"GMAC1_RXDV"),
144*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_RXC,	"GMAC1_RXC"),
145*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_TXD0,	"GMAC1_TXD0"),
146*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_TXD1,	"GMAC1_TXD1"),
147*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_TXD2,	"GMAC1_TXD2"),
148*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_TXD3,	"GMAC1_TXD3"),
149*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_TXEN,	"GMAC1_TXEN"),
150*447976abSJianlong Huang 	PINCTRL_PIN(PAD_GMAC1_TXC,	"GMAC1_TXC"),
151*447976abSJianlong Huang 	PINCTRL_PIN(PAD_QSPI_SCLK,	"QSPI_SCLK"),
152*447976abSJianlong Huang 	PINCTRL_PIN(PAD_QSPI_CS0,	"QSPI_CS0"),
153*447976abSJianlong Huang 	PINCTRL_PIN(PAD_QSPI_DATA0,	"QSPI_DATA0"),
154*447976abSJianlong Huang 	PINCTRL_PIN(PAD_QSPI_DATA1,	"QSPI_DATA1"),
155*447976abSJianlong Huang 	PINCTRL_PIN(PAD_QSPI_DATA2,	"QSPI_DATA2"),
156*447976abSJianlong Huang 	PINCTRL_PIN(PAD_QSPI_DATA3,	"QSPI_DATA3"),
157*447976abSJianlong Huang };
158*447976abSJianlong Huang 
159*447976abSJianlong Huang struct jh7110_func_sel {
160*447976abSJianlong Huang 	u16 offset;
161*447976abSJianlong Huang 	u8 shift;
162*447976abSJianlong Huang 	u8 max;
163*447976abSJianlong Huang };
164*447976abSJianlong Huang 
165*447976abSJianlong Huang static const struct jh7110_func_sel
166*447976abSJianlong Huang 	jh7110_sys_func_sel[ARRAY_SIZE(jh7110_sys_pins)] = {
167*447976abSJianlong Huang 	[PAD_GMAC1_RXC] = { 0x29c,  0, 1 },
168*447976abSJianlong Huang 	[PAD_GPIO10]    = { 0x29c,  2, 3 },
169*447976abSJianlong Huang 	[PAD_GPIO11]    = { 0x29c,  5, 3 },
170*447976abSJianlong Huang 	[PAD_GPIO12]    = { 0x29c,  8, 3 },
171*447976abSJianlong Huang 	[PAD_GPIO13]    = { 0x29c, 11, 3 },
172*447976abSJianlong Huang 	[PAD_GPIO14]    = { 0x29c, 14, 3 },
173*447976abSJianlong Huang 	[PAD_GPIO15]    = { 0x29c, 17, 3 },
174*447976abSJianlong Huang 	[PAD_GPIO16]    = { 0x29c, 20, 3 },
175*447976abSJianlong Huang 	[PAD_GPIO17]    = { 0x29c, 23, 3 },
176*447976abSJianlong Huang 	[PAD_GPIO18]    = { 0x29c, 26, 3 },
177*447976abSJianlong Huang 	[PAD_GPIO19]    = { 0x29c, 29, 3 },
178*447976abSJianlong Huang 
179*447976abSJianlong Huang 	[PAD_GPIO20]    = { 0x2a0,  0, 3 },
180*447976abSJianlong Huang 	[PAD_GPIO21]    = { 0x2a0,  3, 3 },
181*447976abSJianlong Huang 	[PAD_GPIO22]    = { 0x2a0,  6, 3 },
182*447976abSJianlong Huang 	[PAD_GPIO23]    = { 0x2a0,  9, 3 },
183*447976abSJianlong Huang 	[PAD_GPIO24]    = { 0x2a0, 12, 3 },
184*447976abSJianlong Huang 	[PAD_GPIO25]    = { 0x2a0, 15, 3 },
185*447976abSJianlong Huang 	[PAD_GPIO26]    = { 0x2a0, 18, 3 },
186*447976abSJianlong Huang 	[PAD_GPIO27]    = { 0x2a0, 21, 3 },
187*447976abSJianlong Huang 	[PAD_GPIO28]    = { 0x2a0, 24, 3 },
188*447976abSJianlong Huang 	[PAD_GPIO29]    = { 0x2a0, 27, 3 },
189*447976abSJianlong Huang 
190*447976abSJianlong Huang 	[PAD_GPIO30]    = { 0x2a4,  0, 3 },
191*447976abSJianlong Huang 	[PAD_GPIO31]    = { 0x2a4,  3, 3 },
192*447976abSJianlong Huang 	[PAD_GPIO32]    = { 0x2a4,  6, 3 },
193*447976abSJianlong Huang 	[PAD_GPIO33]    = { 0x2a4,  9, 3 },
194*447976abSJianlong Huang 	[PAD_GPIO34]    = { 0x2a4, 12, 3 },
195*447976abSJianlong Huang 	[PAD_GPIO35]    = { 0x2a4, 15, 3 },
196*447976abSJianlong Huang 	[PAD_GPIO36]    = { 0x2a4, 17, 3 },
197*447976abSJianlong Huang 	[PAD_GPIO37]    = { 0x2a4, 20, 3 },
198*447976abSJianlong Huang 	[PAD_GPIO38]    = { 0x2a4, 23, 3 },
199*447976abSJianlong Huang 	[PAD_GPIO39]    = { 0x2a4, 26, 3 },
200*447976abSJianlong Huang 	[PAD_GPIO40]    = { 0x2a4, 29, 3 },
201*447976abSJianlong Huang 
202*447976abSJianlong Huang 	[PAD_GPIO41]    = { 0x2a8,  0, 3 },
203*447976abSJianlong Huang 	[PAD_GPIO42]    = { 0x2a8,  3, 3 },
204*447976abSJianlong Huang 	[PAD_GPIO43]    = { 0x2a8,  6, 3 },
205*447976abSJianlong Huang 	[PAD_GPIO44]    = { 0x2a8,  9, 3 },
206*447976abSJianlong Huang 	[PAD_GPIO45]    = { 0x2a8, 12, 3 },
207*447976abSJianlong Huang 	[PAD_GPIO46]    = { 0x2a8, 15, 3 },
208*447976abSJianlong Huang 	[PAD_GPIO47]    = { 0x2a8, 18, 3 },
209*447976abSJianlong Huang 	[PAD_GPIO48]    = { 0x2a8, 21, 3 },
210*447976abSJianlong Huang 	[PAD_GPIO49]    = { 0x2a8, 24, 3 },
211*447976abSJianlong Huang 	[PAD_GPIO50]    = { 0x2a8, 27, 3 },
212*447976abSJianlong Huang 	[PAD_GPIO51]    = { 0x2a8, 30, 3 },
213*447976abSJianlong Huang 
214*447976abSJianlong Huang 	[PAD_GPIO52]    = { 0x2ac,  0, 3 },
215*447976abSJianlong Huang 	[PAD_GPIO53]    = { 0x2ac,  2, 3 },
216*447976abSJianlong Huang 	[PAD_GPIO54]    = { 0x2ac,  4, 3 },
217*447976abSJianlong Huang 	[PAD_GPIO55]    = { 0x2ac,  6, 3 },
218*447976abSJianlong Huang 	[PAD_GPIO56]    = { 0x2ac,  9, 3 },
219*447976abSJianlong Huang 	[PAD_GPIO57]    = { 0x2ac, 12, 3 },
220*447976abSJianlong Huang 	[PAD_GPIO58]    = { 0x2ac, 15, 3 },
221*447976abSJianlong Huang 	[PAD_GPIO59]    = { 0x2ac, 18, 3 },
222*447976abSJianlong Huang 	[PAD_GPIO60]    = { 0x2ac, 21, 3 },
223*447976abSJianlong Huang 	[PAD_GPIO61]    = { 0x2ac, 24, 3 },
224*447976abSJianlong Huang 	[PAD_GPIO62]    = { 0x2ac, 27, 3 },
225*447976abSJianlong Huang 	[PAD_GPIO63]    = { 0x2ac, 30, 3 },
226*447976abSJianlong Huang 
227*447976abSJianlong Huang 	[PAD_GPIO6]     = { 0x2b0,  0, 3 },
228*447976abSJianlong Huang 	[PAD_GPIO7]     = { 0x2b0,  2, 3 },
229*447976abSJianlong Huang 	[PAD_GPIO8]     = { 0x2b0,  5, 3 },
230*447976abSJianlong Huang 	[PAD_GPIO9]     = { 0x2b0,  8, 3 },
231*447976abSJianlong Huang };
232*447976abSJianlong Huang 
233*447976abSJianlong Huang struct jh7110_vin_group_sel {
234*447976abSJianlong Huang 	u16 offset;
235*447976abSJianlong Huang 	u8 shift;
236*447976abSJianlong Huang 	u8 group;
237*447976abSJianlong Huang };
238*447976abSJianlong Huang 
239*447976abSJianlong Huang static const struct jh7110_vin_group_sel
240*447976abSJianlong Huang 	jh7110_sys_vin_group_sel[ARRAY_SIZE(jh7110_sys_pins)] = {
241*447976abSJianlong Huang 	[PAD_GPIO6]     = { 0x2b4, 21, 0 },
242*447976abSJianlong Huang 	[PAD_GPIO7]     = { 0x2b4, 18, 0 },
243*447976abSJianlong Huang 	[PAD_GPIO8]     = { 0x2b4, 15, 0 },
244*447976abSJianlong Huang 	[PAD_GPIO9]     = { 0x2b0, 11, 0 },
245*447976abSJianlong Huang 	[PAD_GPIO10]    = { 0x2b0, 20, 0 },
246*447976abSJianlong Huang 	[PAD_GPIO11]    = { 0x2b0, 23, 0 },
247*447976abSJianlong Huang 	[PAD_GPIO12]    = { 0x2b0, 26, 0 },
248*447976abSJianlong Huang 	[PAD_GPIO13]    = { 0x2b0, 29, 0 },
249*447976abSJianlong Huang 	[PAD_GPIO14]    = { 0x2b4,  0, 0 },
250*447976abSJianlong Huang 	[PAD_GPIO15]    = { 0x2b4,  3, 0 },
251*447976abSJianlong Huang 	[PAD_GPIO16]    = { 0x2b4,  6, 0 },
252*447976abSJianlong Huang 	[PAD_GPIO17]    = { 0x2b4,  9, 0 },
253*447976abSJianlong Huang 	[PAD_GPIO18]    = { 0x2b4, 12, 0 },
254*447976abSJianlong Huang 	[PAD_GPIO19]    = { 0x2b0, 14, 0 },
255*447976abSJianlong Huang 	[PAD_GPIO20]    = { 0x2b0, 17, 0 },
256*447976abSJianlong Huang 
257*447976abSJianlong Huang 	[PAD_GPIO21]    = { 0x2b4, 21, 1 },
258*447976abSJianlong Huang 	[PAD_GPIO22]    = { 0x2b4, 18, 1 },
259*447976abSJianlong Huang 	[PAD_GPIO23]    = { 0x2b4, 15, 1 },
260*447976abSJianlong Huang 	[PAD_GPIO24]    = { 0x2b0, 11, 1 },
261*447976abSJianlong Huang 	[PAD_GPIO25]    = { 0x2b0, 20, 1 },
262*447976abSJianlong Huang 	[PAD_GPIO26]    = { 0x2b0, 23, 1 },
263*447976abSJianlong Huang 	[PAD_GPIO27]    = { 0x2b0, 26, 1 },
264*447976abSJianlong Huang 	[PAD_GPIO28]    = { 0x2b0, 29, 1 },
265*447976abSJianlong Huang 	[PAD_GPIO29]    = { 0x2b4,  0, 1 },
266*447976abSJianlong Huang 	[PAD_GPIO30]    = { 0x2b4,  3, 1 },
267*447976abSJianlong Huang 	[PAD_GPIO31]    = { 0x2b4,  6, 1 },
268*447976abSJianlong Huang 	[PAD_GPIO32]    = { 0x2b4,  9, 1 },
269*447976abSJianlong Huang 	[PAD_GPIO33]    = { 0x2b4, 12, 1 },
270*447976abSJianlong Huang 	[PAD_GPIO34]    = { 0x2b0, 14, 1 },
271*447976abSJianlong Huang 	[PAD_GPIO35]    = { 0x2b0, 17, 1 },
272*447976abSJianlong Huang 
273*447976abSJianlong Huang 	[PAD_GPIO36]    = { 0x2b4, 21, 2 },
274*447976abSJianlong Huang 	[PAD_GPIO37]    = { 0x2b4, 18, 2 },
275*447976abSJianlong Huang 	[PAD_GPIO38]    = { 0x2b4, 15, 2 },
276*447976abSJianlong Huang 	[PAD_GPIO39]    = { 0x2b0, 11, 2 },
277*447976abSJianlong Huang 	[PAD_GPIO40]    = { 0x2b0, 20, 2 },
278*447976abSJianlong Huang 	[PAD_GPIO41]    = { 0x2b0, 23, 2 },
279*447976abSJianlong Huang 	[PAD_GPIO42]    = { 0x2b0, 26, 2 },
280*447976abSJianlong Huang 	[PAD_GPIO43]    = { 0x2b0, 29, 2 },
281*447976abSJianlong Huang 	[PAD_GPIO44]    = { 0x2b4,  0, 2 },
282*447976abSJianlong Huang 	[PAD_GPIO45]    = { 0x2b4,  3, 2 },
283*447976abSJianlong Huang 	[PAD_GPIO46]    = { 0x2b4,  6, 2 },
284*447976abSJianlong Huang 	[PAD_GPIO47]    = { 0x2b4,  9, 2 },
285*447976abSJianlong Huang 	[PAD_GPIO48]    = { 0x2b4, 12, 2 },
286*447976abSJianlong Huang 	[PAD_GPIO49]    = { 0x2b0, 14, 2 },
287*447976abSJianlong Huang 	[PAD_GPIO50]    = { 0x2b0, 17, 2 },
288*447976abSJianlong Huang };
289*447976abSJianlong Huang 
290*447976abSJianlong Huang static void jh7110_set_function(struct jh7110_pinctrl *sfp,
291*447976abSJianlong Huang 				unsigned int pin, u32 func)
292*447976abSJianlong Huang {
293*447976abSJianlong Huang 	const struct jh7110_func_sel *fs = &jh7110_sys_func_sel[pin];
294*447976abSJianlong Huang 	unsigned long flags;
295*447976abSJianlong Huang 	void __iomem *reg;
296*447976abSJianlong Huang 	u32 mask;
297*447976abSJianlong Huang 
298*447976abSJianlong Huang 	if (!fs->offset)
299*447976abSJianlong Huang 		return;
300*447976abSJianlong Huang 
301*447976abSJianlong Huang 	if (func > fs->max)
302*447976abSJianlong Huang 		return;
303*447976abSJianlong Huang 
304*447976abSJianlong Huang 	reg = sfp->base + fs->offset;
305*447976abSJianlong Huang 	func = func << fs->shift;
306*447976abSJianlong Huang 	mask = 0x3U << fs->shift;
307*447976abSJianlong Huang 
308*447976abSJianlong Huang 	raw_spin_lock_irqsave(&sfp->lock, flags);
309*447976abSJianlong Huang 	func |= readl_relaxed(reg) & ~mask;
310*447976abSJianlong Huang 	writel_relaxed(func, reg);
311*447976abSJianlong Huang 	raw_spin_unlock_irqrestore(&sfp->lock, flags);
312*447976abSJianlong Huang }
313*447976abSJianlong Huang 
314*447976abSJianlong Huang static void jh7110_set_vin_group(struct jh7110_pinctrl *sfp,
315*447976abSJianlong Huang 				 unsigned int pin)
316*447976abSJianlong Huang {
317*447976abSJianlong Huang 	const struct jh7110_vin_group_sel *gs = &jh7110_sys_vin_group_sel[pin];
318*447976abSJianlong Huang 	unsigned long flags;
319*447976abSJianlong Huang 	void __iomem *reg;
320*447976abSJianlong Huang 	u32 mask;
321*447976abSJianlong Huang 	u32 grp;
322*447976abSJianlong Huang 
323*447976abSJianlong Huang 	if (!gs->offset)
324*447976abSJianlong Huang 		return;
325*447976abSJianlong Huang 
326*447976abSJianlong Huang 	reg = sfp->base + gs->offset;
327*447976abSJianlong Huang 	grp = gs->group << gs->shift;
328*447976abSJianlong Huang 	mask = 0x3U << gs->shift;
329*447976abSJianlong Huang 
330*447976abSJianlong Huang 	raw_spin_lock_irqsave(&sfp->lock, flags);
331*447976abSJianlong Huang 	grp |= readl_relaxed(reg) & ~mask;
332*447976abSJianlong Huang 	writel_relaxed(grp, reg);
333*447976abSJianlong Huang 	raw_spin_unlock_irqrestore(&sfp->lock, flags);
334*447976abSJianlong Huang }
335*447976abSJianlong Huang 
336*447976abSJianlong Huang static int jh7110_sys_set_one_pin_mux(struct jh7110_pinctrl *sfp,
337*447976abSJianlong Huang 				      unsigned int pin,
338*447976abSJianlong Huang 				      unsigned int din, u32 dout,
339*447976abSJianlong Huang 				      u32 doen, u32 func)
340*447976abSJianlong Huang {
341*447976abSJianlong Huang 	if (pin < sfp->gc.ngpio && func == 0)
342*447976abSJianlong Huang 		jh7110_set_gpiomux(sfp, pin, din, dout, doen);
343*447976abSJianlong Huang 
344*447976abSJianlong Huang 	jh7110_set_function(sfp, pin, func);
345*447976abSJianlong Huang 
346*447976abSJianlong Huang 	if (pin < sfp->gc.ngpio && func == 2)
347*447976abSJianlong Huang 		jh7110_set_vin_group(sfp, pin);
348*447976abSJianlong Huang 
349*447976abSJianlong Huang 	return 0;
350*447976abSJianlong Huang }
351*447976abSJianlong Huang 
352*447976abSJianlong Huang static int jh7110_sys_get_padcfg_base(struct jh7110_pinctrl *sfp,
353*447976abSJianlong Huang 				      unsigned int pin)
354*447976abSJianlong Huang {
355*447976abSJianlong Huang 	if (pin < PAD_GMAC1_MDC)
356*447976abSJianlong Huang 		return JH7110_SYS_GPO_PDA_0_74_CFG;
357*447976abSJianlong Huang 	else if (pin > PAD_GMAC1_TXC && pin <= PAD_QSPI_DATA3)
358*447976abSJianlong Huang 		return JH7110_SYS_GPO_PDA_89_94_CFG;
359*447976abSJianlong Huang 	else
360*447976abSJianlong Huang 		return -1;
361*447976abSJianlong Huang }
362*447976abSJianlong Huang 
363*447976abSJianlong Huang static void jh7110_sys_irq_handler(struct irq_desc *desc)
364*447976abSJianlong Huang {
365*447976abSJianlong Huang 	struct jh7110_pinctrl *sfp = jh7110_from_irq_desc(desc);
366*447976abSJianlong Huang 	struct irq_chip *chip = irq_desc_get_chip(desc);
367*447976abSJianlong Huang 	unsigned long mis;
368*447976abSJianlong Huang 	unsigned int pin;
369*447976abSJianlong Huang 
370*447976abSJianlong Huang 	chained_irq_enter(chip, desc);
371*447976abSJianlong Huang 
372*447976abSJianlong Huang 	mis = readl_relaxed(sfp->base + JH7110_SYS_GPIOMIS0);
373*447976abSJianlong Huang 	for_each_set_bit(pin, &mis, 32)
374*447976abSJianlong Huang 		generic_handle_domain_irq(sfp->gc.irq.domain, pin);
375*447976abSJianlong Huang 
376*447976abSJianlong Huang 	mis = readl_relaxed(sfp->base + JH7110_SYS_GPIOMIS1);
377*447976abSJianlong Huang 	for_each_set_bit(pin, &mis, 32)
378*447976abSJianlong Huang 		generic_handle_domain_irq(sfp->gc.irq.domain, pin + 32);
379*447976abSJianlong Huang 
380*447976abSJianlong Huang 	chained_irq_exit(chip, desc);
381*447976abSJianlong Huang }
382*447976abSJianlong Huang 
383*447976abSJianlong Huang static int jh7110_sys_init_hw(struct gpio_chip *gc)
384*447976abSJianlong Huang {
385*447976abSJianlong Huang 	struct jh7110_pinctrl *sfp = container_of(gc,
386*447976abSJianlong Huang 			struct jh7110_pinctrl, gc);
387*447976abSJianlong Huang 
388*447976abSJianlong Huang 	/* mask all GPIO interrupts */
389*447976abSJianlong Huang 	writel(0U, sfp->base + JH7110_SYS_GPIOIE0);
390*447976abSJianlong Huang 	writel(0U, sfp->base + JH7110_SYS_GPIOIE1);
391*447976abSJianlong Huang 	/* clear edge interrupt flags */
392*447976abSJianlong Huang 	writel(~0U, sfp->base + JH7110_SYS_GPIOIC0);
393*447976abSJianlong Huang 	writel(~0U, sfp->base + JH7110_SYS_GPIOIC1);
394*447976abSJianlong Huang 	/* enable GPIO interrupts */
395*447976abSJianlong Huang 	writel(1U, sfp->base + JH7110_SYS_GPIOEN);
396*447976abSJianlong Huang 	return 0;
397*447976abSJianlong Huang }
398*447976abSJianlong Huang 
399*447976abSJianlong Huang static const struct jh7110_gpio_irq_reg jh7110_sys_irq_reg = {
400*447976abSJianlong Huang 	.is_reg_base	= JH7110_SYS_GPIOIS0,
401*447976abSJianlong Huang 	.ic_reg_base	= JH7110_SYS_GPIOIC0,
402*447976abSJianlong Huang 	.ibe_reg_base	= JH7110_SYS_GPIOIBE0,
403*447976abSJianlong Huang 	.iev_reg_base	= JH7110_SYS_GPIOIEV0,
404*447976abSJianlong Huang 	.ie_reg_base	= JH7110_SYS_GPIOIE0,
405*447976abSJianlong Huang 	.ris_reg_base	= JH7110_SYS_GPIORIS0,
406*447976abSJianlong Huang 	.mis_reg_base	= JH7110_SYS_GPIOMIS0,
407*447976abSJianlong Huang };
408*447976abSJianlong Huang 
409*447976abSJianlong Huang static const struct jh7110_pinctrl_soc_info jh7110_sys_pinctrl_info = {
410*447976abSJianlong Huang 	.pins		= jh7110_sys_pins,
411*447976abSJianlong Huang 	.npins		= ARRAY_SIZE(jh7110_sys_pins),
412*447976abSJianlong Huang 	.ngpios		= JH7110_SYS_NGPIO,
413*447976abSJianlong Huang 	.gc_base	= JH7110_SYS_GC_BASE,
414*447976abSJianlong Huang 	.dout_reg_base	= JH7110_SYS_DOUT,
415*447976abSJianlong Huang 	.dout_mask	= GENMASK(6, 0),
416*447976abSJianlong Huang 	.doen_reg_base	= JH7110_SYS_DOEN,
417*447976abSJianlong Huang 	.doen_mask	= GENMASK(5, 0),
418*447976abSJianlong Huang 	.gpi_reg_base	= JH7110_SYS_GPI,
419*447976abSJianlong Huang 	.gpi_mask	= GENMASK(6, 0),
420*447976abSJianlong Huang 	.gpioin_reg_base	   = JH7110_SYS_GPIOIN,
421*447976abSJianlong Huang 	.irq_reg		   = &jh7110_sys_irq_reg,
422*447976abSJianlong Huang 	.jh7110_set_one_pin_mux  = jh7110_sys_set_one_pin_mux,
423*447976abSJianlong Huang 	.jh7110_get_padcfg_base  = jh7110_sys_get_padcfg_base,
424*447976abSJianlong Huang 	.jh7110_gpio_irq_handler = jh7110_sys_irq_handler,
425*447976abSJianlong Huang 	.jh7110_gpio_init_hw	 = jh7110_sys_init_hw,
426*447976abSJianlong Huang };
427*447976abSJianlong Huang 
428*447976abSJianlong Huang static const struct of_device_id jh7110_sys_pinctrl_of_match[] = {
429*447976abSJianlong Huang 	{
430*447976abSJianlong Huang 		.compatible = "starfive,jh7110-sys-pinctrl",
431*447976abSJianlong Huang 		.data = &jh7110_sys_pinctrl_info,
432*447976abSJianlong Huang 	},
433*447976abSJianlong Huang 	{ /* sentinel */ }
434*447976abSJianlong Huang };
435*447976abSJianlong Huang MODULE_DEVICE_TABLE(of, jh7110_sys_pinctrl_of_match);
436*447976abSJianlong Huang 
437*447976abSJianlong Huang static struct platform_driver jh7110_sys_pinctrl_driver = {
438*447976abSJianlong Huang 	.probe = jh7110_pinctrl_probe,
439*447976abSJianlong Huang 	.driver = {
440*447976abSJianlong Huang 		.name = "starfive-jh7110-sys-pinctrl",
441*447976abSJianlong Huang 		.of_match_table = jh7110_sys_pinctrl_of_match,
442*447976abSJianlong Huang 	},
443*447976abSJianlong Huang };
444*447976abSJianlong Huang module_platform_driver(jh7110_sys_pinctrl_driver);
445*447976abSJianlong Huang 
446*447976abSJianlong Huang MODULE_DESCRIPTION("Pinctrl driver for the StarFive JH7110 SoC sys controller");
447*447976abSJianlong Huang MODULE_AUTHOR("Emil Renner Berthing <kernel@esmil.dk>");
448*447976abSJianlong Huang MODULE_AUTHOR("Jianlong Huang <jianlong.huang@starfivetech.com>");
449*447976abSJianlong Huang MODULE_LICENSE("GPL");
450