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1 /*
2  * (C) Copyright 2013
3  * NVIDIA Corporation <www.nvidia.com>
4  *
5  * SPDX-License-Identifier:     GPL-2.0+
6  */
7
8 /* Tegra124 pin multiplexing functions */
9
10 #include <common.h>
11 #include <asm/io.h>
12 #include <asm/arch/tegra.h>
13 #include <asm/arch/pinmux.h>
14
15 struct tegra_pingroup_desc {
16         const char *name;
17         enum pmux_func funcs[4];
18         enum pmux_func func_safe;
19         enum pmux_vddio vddio;
20         enum pmux_pin_io io;
21 };
22
23 #define PMUX_MUXCTL_SHIFT       0
24 #define PMUX_PULL_SHIFT         2
25 #define PMUX_TRISTATE_SHIFT     4
26 #define PMUX_TRISTATE_MASK      (1 << PMUX_TRISTATE_SHIFT)
27 #define PMUX_IO_SHIFT           5
28 #define PMUX_OD_SHIFT           6
29 #define PMUX_LOCK_SHIFT         7
30 #define PMUX_IO_RESET_SHIFT     8
31 #define PMUX_RCV_SEL_SHIFT      9
32
33 #define PGRP_HSM_SHIFT          2
34 #define PGRP_SCHMT_SHIFT        3
35 #define PGRP_LPMD_SHIFT         4
36 #define PGRP_LPMD_MASK          (3 << PGRP_LPMD_SHIFT)
37 #define PGRP_DRVDN_SHIFT        12
38 #define PGRP_DRVDN_MASK         (0x7F << PGRP_DRVDN_SHIFT)
39 #define PGRP_DRVUP_SHIFT        20
40 #define PGRP_DRVUP_MASK         (0x7F << PGRP_DRVUP_SHIFT)
41 #define PGRP_SLWR_SHIFT         28
42 #define PGRP_SLWR_MASK          (3 << PGRP_SLWR_SHIFT)
43 #define PGRP_SLWF_SHIFT         30
44 #define PGRP_SLWF_MASK          (3 << PGRP_SLWF_SHIFT)
45
46 /* Convenient macro for defining pin group properties */
47 #define PIN(pg_name, vdd, f0, f1, f2, f3, iod)  \
48         {                                               \
49                 .vddio = PMUX_VDDIO_ ## vdd,            \
50                 .funcs = {                              \
51                         PMUX_FUNC_ ## f0,               \
52                         PMUX_FUNC_ ## f1,               \
53                         PMUX_FUNC_ ## f2,               \
54                         PMUX_FUNC_ ## f3,               \
55                 },                                      \
56                 .func_safe = PMUX_FUNC_RSVD1,           \
57                 .io = PMUX_PIN_ ## iod,                 \
58         }
59
60 /* Input and output pins */
61 #define PINI(pg_name, vdd, f0, f1, f2, f3) \
62         PIN(pg_name, vdd, f0, f1, f2, f3, INPUT)
63 #define PINO(pg_name, vdd, f0, f1, f2, f3) \
64         PIN(pg_name, vdd, f0, f1, f2, f3, OUTPUT)
65
66 /* A pin group number which is not used */
67 #define PIN_RESERVED \
68         PIN(NONE, NONE, INVALID, INVALID, INVALID, INVALID, NONE)
69
70 const struct tegra_pingroup_desc tegra_soc_pingroups[PINGRP_COUNT] = {
71         /*      NAME      VDD      f0           f1         f2       f3  */
72         PINI(ULPI_DATA0,  BB,      SPI3,       HSI,        UARTA,   ULPI),
73         PINI(ULPI_DATA1,  BB,      SPI3,       HSI,        UARTA,   ULPI),
74         PINI(ULPI_DATA2,  BB,      SPI3,       HSI,        UARTA,   ULPI),
75         PINI(ULPI_DATA3,  BB,      SPI3,        HSI,       UARTA,   ULPI),
76         PINI(ULPI_DATA4,  BB,      SPI2,        HSI,       UARTA,   ULPI),
77         PINI(ULPI_DATA5,  BB,      SPI2,        HSI,       UARTA,   ULPI),
78         PINI(ULPI_DATA6,  BB,      SPI2,        HSI,       UARTA,   ULPI),
79         PINI(ULPI_DATA7,  BB,      SPI2,        HSI,       UARTA,   ULPI),
80         PINI(ULPI_CLK,    BB,      SPI1,       SPI5,       UARTD,   ULPI),
81         PINI(ULPI_DIR,    BB,      SPI1,       SPI5,       UARTD,   ULPI),
82         PINI(ULPI_NXT,    BB,      SPI1,       SPI5,       UARTD,   ULPI),
83         PINI(ULPI_STP,    BB,      SPI1,       SPI5,       UARTD,   ULPI),
84         PINI(DAP3_FS,     BB,      I2S2,       SPI5,       DISPA,   DISPB),
85         PINI(DAP3_DIN,    BB,      I2S2,       SPI5,       DISPA,   DISPB),
86         PINI(DAP3_DOUT,   BB,      I2S2,       SPI5,       DISPA,   DISPB),
87         PINI(DAP3_SCLK,   BB,      I2S2,       SPI5,       DISPA,   DISPB),
88         PINI(GPIO_PV0,    BB,      USB,        RSVD2,      RSVD3,   RSVD4),
89         PINI(GPIO_PV1,    BB,      RSVD1,      RSVD2,      RSVD3,   RSVD4),
90         PINI(SDMMC1_CLK,  SDMMC1,  SDMMC1,     CLK12,      RSVD3,   RSVD4),
91         PINI(SDMMC1_CMD,  SDMMC1,  SDMMC1,     SPDIF,      SPI4,    UARTA),
92         PINI(SDMMC1_DAT3, SDMMC1,  SDMMC1,     SPDIF,      SPI4,    UARTA),
93         PINI(SDMMC1_DAT2, SDMMC1,  SDMMC1,     PWM0,       SPI4,    UARTA),
94         PINI(SDMMC1_DAT1, SDMMC1,  SDMMC1,     PWM1,       SPI4,    UARTA),
95         PINI(SDMMC1_DAT0, SDMMC1,  SDMMC1,     RSVD2,      SPI4,    UARTA),
96         PIN_RESERVED,   /* Reserved: 0x3060 - 0x3064 */
97         PIN_RESERVED,
98         PINI(CLK2_OUT,    SDMMC1,  EXTPERIPH2, RSVD2,      RSVD3,   RSVD4),
99         PINI(CLK2_REQ,    SDMMC1,  DAP,        RSVD2,      RSVD3,   RSVD4),
100         PIN_RESERVED,   /* Reserved: 0x3070 - 0x310c */
101         PIN_RESERVED,
102         PIN_RESERVED,
103         PIN_RESERVED,
104         PIN_RESERVED,
105         PIN_RESERVED,
106         PIN_RESERVED,
107         PIN_RESERVED,
108         PIN_RESERVED,
109         PIN_RESERVED,
110         PIN_RESERVED,
111         PIN_RESERVED,
112         PIN_RESERVED,
113         PIN_RESERVED,
114         PIN_RESERVED,
115         PIN_RESERVED,
116         PIN_RESERVED,
117         PIN_RESERVED,
118         PIN_RESERVED,
119         PIN_RESERVED,
120         PIN_RESERVED,
121         PIN_RESERVED,
122         PIN_RESERVED,
123         PIN_RESERVED,
124         PIN_RESERVED,
125         PIN_RESERVED,
126         PIN_RESERVED,
127         PIN_RESERVED,
128         PIN_RESERVED,
129         PIN_RESERVED,
130         PIN_RESERVED,
131         PIN_RESERVED,
132         PIN_RESERVED,
133         PIN_RESERVED,
134         PIN_RESERVED,
135         PIN_RESERVED,
136         PIN_RESERVED,
137         PIN_RESERVED,
138         PIN_RESERVED,
139         PIN_RESERVED,
140         PINI(HDMI_INT,    LCD,     RSVD1,      RSVD2,      RSVD3,   RSVD4),
141         PINI(DDC_SCL,     LCD,     I2C4,       RSVD2,      RSVD3,   RSVD4),
142         PINI(DDC_SDA,     LCD,     I2C4,       RSVD2,      RSVD3,   RSVD4),
143         PIN_RESERVED,   /* Reserved: 0x311c - 0x3160 */
144         PIN_RESERVED,
145         PIN_RESERVED,
146         PIN_RESERVED,
147         PIN_RESERVED,
148         PIN_RESERVED,
149         PIN_RESERVED,
150         PIN_RESERVED,
151         PIN_RESERVED,
152         PIN_RESERVED,
153         PIN_RESERVED,
154         PIN_RESERVED,
155         PIN_RESERVED,
156         PIN_RESERVED,
157         PIN_RESERVED,
158         PIN_RESERVED,
159         PIN_RESERVED,
160         PIN_RESERVED,
161         PINI(UART2_RXD,   UART,    UARTB,      SPDIF,      UARTA,   SPI4),
162         PINI(UART2_TXD,   UART,    UARTB,      SPDIF,      UARTA,   SPI4),
163         PINI(UART2_RTS_N, UART,    UARTA,      UARTB,      RSVD3,   SPI4),
164         PINI(UART2_CTS_N, UART,    UARTA,      UARTB,      RSVD3,   SPI4),
165         PINI(UART3_TXD,   UART,    UARTC,      RSVD2,      RSVD3,   SPI4),
166         PINI(UART3_RXD,   UART,    UARTC,      RSVD2,      RSVD3,   SPI4),
167         PINI(UART3_CTS_N, UART,    UARTC,      SDMMC1,     DTV,     SPI4),
168         PINI(UART3_RTS_N, UART,    UARTC,      PWM0,       DTV,     DISPA),
169         PINI(GPIO_PU0,    UART,    OWR,        UARTA,      RSVD3,   RSVD4),
170         PINI(GPIO_PU1,    UART,    RSVD1,      UARTA,      RSVD3,   RSVD4),
171         PINI(GPIO_PU2,    UART,    RSVD1,      UARTA,      RSVD3,   RSVD4),
172         PINI(GPIO_PU3,    UART,    PWM0,       UARTA,      DISPA,   DISPB),
173         PINI(GPIO_PU4,    UART,    PWM1,       UARTA,      DISPA,   DISPB),
174         PINI(GPIO_PU5,    UART,    PWM2,       UARTA,      DISPA,   DISPB),
175         PINI(GPIO_PU6,    UART,    PWM3,       UARTA,      USB,     DISPB),
176         PINI(GEN1_I2C_SDA, UART,   I2C1,       RSVD2,      RSVD3,   RSVD4),
177         PINI(GEN1_I2C_SCL, UART,   I2C1,       RSVD2,      RSVD3,   RSVD4),
178         PINI(DAP4_FS,     UART,    I2S3,       RSVD2,      DTV,     RSVD4),
179         PINI(DAP4_DIN,    UART,    I2S3,       RSVD2,      RSVD3,   RSVD4),
180         PINI(DAP4_DOUT,   UART,    I2S3,       RSVD2,      DTV,     RSVD4),
181         PINI(DAP4_SCLK,   UART,    I2S3,       RSVD2,      RSVD3,   RSVD4),
182         PINI(CLK3_OUT,    UART,    EXTPERIPH3, RSVD2,      RSVD3,   RSVD4),
183         PINI(CLK3_REQ,    UART,    DEV3,       RSVD2,      RSVD3,   RSVD4),
184         PINI(GMI_WP_N,    GMI,     RSVD1,      NAND,       GMI,     GMI_ALT),
185         PINI(GMI_IORDY,   GMI,     SDMMC2,     RSVD2,      GMI,     TRACE),
186         PINI(GMI_WAIT,    GMI,     SPI4,       NAND,       GMI,     DTV),
187         PINI(GMI_ADV_N,   GMI,     RSVD1,      NAND,       GMI,     TRACE),
188         PINI(GMI_CLK,     GMI,     SDMMC2,     NAND,       GMI,     TRACE),
189         PINI(GMI_CS0_N,   GMI,     RSVD1,      NAND,       GMI,     USB),
190         PINI(GMI_CS1_N,   GMI,     RSVD1,      NAND,       GMI,     SOC),
191         PINI(GMI_CS2_N,   GMI,     SDMMC2,     NAND,       GMI,     TRACE),
192         PINI(GMI_CS3_N,   GMI,     SDMMC2,     NAND,       GMI,     GMI_ALT),
193         PINI(GMI_CS4_N,   GMI,     USB,        NAND,       GMI,     TRACE),
194         PINI(GMI_CS6_N,   GMI,     NAND,       NAND_ALT,   GMI,     SPI4),
195         PINI(GMI_CS7_N,   GMI,     NAND,       NAND_ALT,   GMI,     SDMMC2),
196         PINI(GMI_AD0,     GMI,     RSVD1,      NAND,       GMI,     RSVD4),
197         PINI(GMI_AD1,     GMI,     RSVD1,      NAND,       GMI,     RSVD4),
198         PINI(GMI_AD2,     GMI,     RSVD1,      NAND,       GMI,     RSVD4),
199         PINI(GMI_AD3,     GMI,     RSVD1,      NAND,       GMI,     RSVD4),
200         PINI(GMI_AD4,     GMI,     RSVD1,      NAND,       GMI,     RSVD4),
201         PINI(GMI_AD5,     GMI,     RSVD1,      NAND,       GMI,     SPI4),
202         PINI(GMI_AD6,     GMI,     RSVD1,      NAND,       GMI,     SPI4),
203         PINI(GMI_AD7,     GMI,     RSVD1,      NAND,       GMI,     SPI4),
204         PINI(GMI_AD8,     GMI,     PWM0,       NAND,       GMI,     DTV),
205         PINI(GMI_AD9,     GMI,     PWM1,       NAND,       GMI,     CLDVFS),
206         PINI(GMI_AD10,    GMI,     PWM2,       NAND,       GMI,     CLDVFS),
207         PINI(GMI_AD11,    GMI,     PWM3,       NAND,       GMI,     USB),
208         PINI(GMI_AD12,    GMI,     SDMMC2,     NAND,       GMI,     RSVD4),
209         PINI(GMI_AD13,    GMI,     SDMMC2,     NAND,       GMI,     RSVD4),
210         PINI(GMI_AD14,    GMI,     SDMMC2,     NAND,       GMI,     DTV),
211         PINI(GMI_AD15,    GMI,     SDMMC2,     NAND,       GMI,     DTV),
212         PINI(GMI_A16,     GMI,     UARTD,      TRACE,      GMI,     GMI_ALT),
213         PINI(GMI_A17,     GMI,     UARTD,      RSVD2,      GMI,     TRACE),
214         PINI(GMI_A18,     GMI,     UARTD,      RSVD2,      GMI,     TRACE),
215         PINI(GMI_A19,     GMI,     UARTD,      SPI4,       GMI,     TRACE),
216         PINI(GMI_WR_N,    GMI,     RSVD1,      NAND,       GMI,     SPI4),
217         PINI(GMI_OE_N,    GMI,     RSVD1,      NAND,       GMI,     SOC),
218         PINI(GMI_DQS,     GMI,     SDMMC2,     NAND,       GMI,     TRACE),
219         PINI(GMI_RST_N,   GMI,     NAND,       NAND_ALT,   GMI,     RSVD4),
220         PINI(GEN2_I2C_SCL, GMI,    I2C2,       RSVD2,      GMI,     RSVD4),
221         PINI(GEN2_I2C_SDA, GMI,    I2C2,       RSVD2,      GMI,     RSVD4),
222         PINI(SDMMC4_CLK,  SDMMC4,  SDMMC4,     RSVD2,      GMI,     RSVD4),
223         PINI(SDMMC4_CMD,  SDMMC4,  SDMMC4,     RSVD2,      GMI,     RSVD4),
224         PINI(SDMMC4_DAT0, SDMMC4,  SDMMC4,     SPI3,       GMI,     RSVD4),
225         PINI(SDMMC4_DAT1, SDMMC4,  SDMMC4,     SPI3,       GMI,     RSVD4),
226         PINI(SDMMC4_DAT2, SDMMC4,  SDMMC4,     SPI3,       GMI,     RSVD4),
227         PINI(SDMMC4_DAT3, SDMMC4,  SDMMC4,     SPI3,       GMI,     RSVD4),
228         PINI(SDMMC4_DAT4, SDMMC4,  SDMMC4,     SPI3,       GMI,     RSVD4),
229         PINI(SDMMC4_DAT5, SDMMC4,  SDMMC4,     SPI3,       GMI,     RSVD4),
230         PINI(SDMMC4_DAT6, SDMMC4,  SDMMC4,     SPI3,       GMI,     RSVD4),
231         PINI(SDMMC4_DAT7, SDMMC4,  SDMMC4,     RSVD2,      GMI,     RSVD4),
232         PIN_RESERVED,   /* Reserved: 0x3280 */
233         PINI(CAM_MCLK,    CAM,     VI,         VI_ALT1,    VI_ALT3, RSVD4),
234         PINI(GPIO_PCC1,   CAM,     I2S4,       RSVD2,      RSVD3,   RSVD4),
235         PINI(GPIO_PBB0,   CAM,     I2S4,       VI,         VI_ALT1, VI_ALT3),
236         PINI(CAM_I2C_SCL, CAM,     VGP1,       I2C3,       RSVD3,   RSVD4),
237         PINI(CAM_I2C_SDA, CAM,     VGP2,       I2C3,       RSVD3,   RSVD4),
238         PINI(GPIO_PBB3,   CAM,     VGP3,       DISPA,      DISPB,   RSVD4),
239         PINI(GPIO_PBB4,   CAM,     VGP4,       DISPA,      DISPB,   RSVD4),
240         PINI(GPIO_PBB5,   CAM,     VGP5,       DISPA,      DISPB,   RSVD4),
241         PINI(GPIO_PBB6,   CAM,     VGP6,       DISPA,      DISPB,   RSVD4),
242         PINI(GPIO_PBB7,   CAM,     I2S4,       RSVD2,      RSVD3,   RSVD4),
243         PINI(GPIO_PCC2,   CAM,     I2S4,       RSVD2,      RSVD3,   RSVD4),
244         PINI(JTAG_RTCK,   SYS,     RTCK,       RSVD2,      RSVD3,   RSVD4),
245         PINI(PWR_I2C_SCL, SYS,     I2CPWR,     RSVD2,      RSVD3,   RSVD4),
246         PINI(PWR_I2C_SDA, SYS,     I2CPWR,     RSVD2,      RSVD3,   RSVD4),
247         PINI(KB_ROW0,     SYS,     KBC,        RSVD2,      DTV,     RSVD4),
248         PINI(KB_ROW1,     SYS,     KBC,        RSVD2,      DTV,     RSVD4),
249         PINI(KB_ROW2,     SYS,     KBC,        RSVD2,      DTV,     SOC),
250         PINI(KB_ROW3,     SYS,     KBC,        DISPA,      RSVD3,   DISPB),
251         PINI(KB_ROW4,     SYS,     KBC,        DISPA,      SPI2,    DISPB),
252         PINI(KB_ROW5,     SYS,     KBC,        DISPA,      SPI2,    DISPB),
253         PINI(KB_ROW6,     SYS,     KBC,        DISPA,      RSVD3,   DISPB),
254         PINI(KB_ROW7,     SYS,     KBC,        RSVD2,      CLDVFS,  UARTA),
255         PINI(KB_ROW8,     SYS,     KBC,        RSVD2,      RSVD3,   UARTA),
256         PINI(KB_ROW9,     SYS,     KBC,        RSVD2,      RSVD3,   UARTA),
257         PINI(KB_ROW10,    SYS,     KBC,        RSVD2,      RSVD3,   UARTA),
258         PIN_RESERVED,   /* Reserved: 0x32e8 - 0x32f8 */
259         PIN_RESERVED,
260         PIN_RESERVED,
261         PIN_RESERVED,
262         PIN_RESERVED,
263         PINI(KB_COL0,     SYS,     KBC,        USB,        SPI2,    EMC_DLL),
264         PINI(KB_COL1,     SYS,     KBC,        RSVD2,      SPI2,    EMC_DLL),
265         PINI(KB_COL2,     SYS,     KBC,        RSVD2,      SPI2,    RSVD4),
266         PINI(KB_COL3,     SYS,     KBC,        DISPA,      PWM2,    UARTA),
267         PINI(KB_COL4,     SYS,     KBC,        OWR,        SDMMC3,  UARTA),
268         PINI(KB_COL5,     SYS,     KBC,        RSVD2,      SDMMC1,  RSVD4),
269         PINI(KB_COL6,     SYS,     KBC,        RSVD2,      SPI2,    RSVD4),
270         PINI(KB_COL7,     SYS,     KBC,        RSVD2,      SPI2,    RSVD4),
271         PINI(CLK_32K_OUT, SYS,     BLINK,      SOC,        RSVD3,   RSVD4),
272         PINI(SYS_CLK_REQ, SYS,     SYSCLK,     RSVD2,      RSVD3,   RSVD4),
273         PINI(CORE_PWR_REQ, SYS,    PWRON,      RSVD2,      RSVD3,   RSVD4),
274         PINI(CPU_PWR_REQ, SYS,     CPU,        RSVD2,      RSVD3,   RSVD4),
275         PINI(PWR_INT_N,   SYS,     PMI,        RSVD2,      RSVD3,   RSVD4),
276         PINI(CLK_32K_IN,  SYS,     CLK,        RSVD2,      RSVD3,   RSVD4),
277         PINI(OWR,         SYS,     OWR,        RSVD2,      RSVD3,   RSVD4),
278         PINI(DAP1_FS,     AUDIO,   I2S0,       HDA,        GMI,     RSVD4),
279         PINI(DAP1_DIN,    AUDIO,   I2S0,       HDA,        GMI,     RSVD4),
280         PINI(DAP1_DOUT,   AUDIO,   I2S0,       HDA,        GMI,     RSVD4),
281         PINI(DAP1_SCLK,   AUDIO,   I2S0,       HDA,        GMI,     RSVD4),
282         PINI(CLK1_REQ,    AUDIO,   DAP,        DAP1,       RSVD3,   RSVD4),
283         PINI(CLK1_OUT,    AUDIO,   EXTPERIPH1, DAP2,       RSVD3,   RSVD4),
284         PINI(SPDIF_IN,    AUDIO,   SPDIF,      USB,        RSVD3,   RSVD4),
285         PINI(SPDIF_OUT,   AUDIO,   SPDIF,      RSVD2,      RSVD3,   RSVD4),
286         PINI(DAP2_FS,     AUDIO,   I2S1,       HDA,        RSVD3,   RSVD4),
287         PINI(DAP2_DIN,    AUDIO,   I2S1,       HDA,        RSVD3,   RSVD4),
288         PINI(DAP2_DOUT,   AUDIO,   I2S1,       HDA,        RSVD3,   RSVD4),
289         PINI(DAP2_SCLK,   AUDIO,   I2S1,       HDA,        RSVD3,   RSVD4),
290         PINI(DVFS_PWM,    AUDIO,   SPI6,       CLDVFS,     RSVD3,   RSVD4),
291         PINI(GPIO_X1_AUD, AUDIO,   SPI6,       RSVD2,      RSVD3,   RSVD4),
292         PINI(GPIO_X3_AUD, AUDIO,   SPI6,       SPI1,       RSVD3,   RSVD4),
293         PINI(DVFS_CLK,    AUDIO,   SPI6,       CLDVFS,     RSVD3,   RSVD4),
294         PINI(GPIO_X4_AUD, AUDIO,   RSVD1,      SPI1,       SPI2,    DAP2),
295         PINI(GPIO_X5_AUD, AUDIO,   RSVD1,      SPI1,       SPI2,    RSVD4),
296         PINI(GPIO_X6_AUD, AUDIO,   SPI6,       SPI1,       SPI2,    RSVD4),
297         PINI(GPIO_X7_AUD, AUDIO,   RSVD1,      SPI1,       SPI2,    RSVD4),
298         PIN_RESERVED,   /* Reserved: 0x3388 - 0x338c */
299         PIN_RESERVED,
300         PINI(SDMMC3_CLK,  SDMMC3,  SDMMC3,     RSVD2,      RSVD3,   SPI3),
301         PINI(SDMMC3_CMD,  SDMMC3,  SDMMC3,     PWM3,       UARTA,   SPI3),
302         PINI(SDMMC3_DAT0, SDMMC3,  SDMMC3,     RSVD2,      RSVD3,   SPI3),
303         PINI(SDMMC3_DAT1, SDMMC3,  SDMMC3,     PWM2,       UARTA,   SPI3),
304         PINI(SDMMC3_DAT2, SDMMC3,  SDMMC3,     PWM1,       DISPA,   SPI3),
305         PINI(SDMMC3_DAT3, SDMMC3,  SDMMC3,     PWM0,       DISPB,   SPI3),
306         PIN_RESERVED,   /* Reserved: 0x33a8 - 0x33dc */
307         PIN_RESERVED,
308         PIN_RESERVED,
309         PIN_RESERVED,
310         PIN_RESERVED,
311         PIN_RESERVED,
312         PIN_RESERVED,
313         PIN_RESERVED,
314         PIN_RESERVED,
315         PIN_RESERVED,
316         PIN_RESERVED,
317         PIN_RESERVED,
318         PIN_RESERVED,
319         PIN_RESERVED,
320         PINI(HDMI_CEC,    SYS,     CEC,        SDMMC3,     RSVD3,   SOC),
321         PINI(SDMMC1_WP_N, SDMMC1,  SDMMC1,     CLK12,      SPI4,    UARTA),
322         PINI(SDMMC3_CD_N, SYS,  SDMMC3,     OWR,        RSVD3,   RSVD4),
323         PINI(GPIO_W2_AUD, AUDIO,   SPI6,       RSVD2,      SPI2,    I2C1),
324         PINI(GPIO_W3_AUD, AUDIO,   SPI6,       SPI1,       SPI2,    I2C1),
325         PINI(USB_VBUS_EN0, LCD,    USB,        RSVD2,      RSVD3,   RSVD4),
326         PINI(USB_VBUS_EN1, LCD,    USB,        RSVD2,      RSVD3,   RSVD4),
327         PINI(SDMMC3_CLK_LB_IN,  SDMMC3, SDMMC3, RSVD2,     RSVD3,   RSVD4),
328         PINI(SDMMC3_CLK_LB_OUT, SDMMC3, SDMMC3, RSVD2,     RSVD3,   RSVD4),
329         PIN_RESERVED,   /* Reserved: 0x3404 */
330         PINO(RESET_OUT_N, SYS,     RSVD1,      RSVD2,      RSVD3, RESET_OUT_N),
331 };
332
333 void pinmux_set_tristate(enum pmux_pingrp pin, int enable)
334 {
335         struct pmux_tri_ctlr *pmt =
336                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
337         u32 *tri = &pmt->pmt_ctl[pin];
338         u32 reg;
339
340         /* Error check on pin */
341         assert(pmux_pingrp_isvalid(pin));
342
343         reg = readl(tri);
344         if (enable)
345                 reg |= PMUX_TRISTATE_MASK;
346         else
347                 reg &= ~PMUX_TRISTATE_MASK;
348         writel(reg, tri);
349 }
350
351 void pinmux_tristate_enable(enum pmux_pingrp pin)
352 {
353         pinmux_set_tristate(pin, 1);
354 }
355
356 void pinmux_tristate_disable(enum pmux_pingrp pin)
357 {
358         pinmux_set_tristate(pin, 0);
359 }
360
361 void pinmux_set_pullupdown(enum pmux_pingrp pin, enum pmux_pull pupd)
362 {
363         struct pmux_tri_ctlr *pmt =
364                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
365         u32 *pull = &pmt->pmt_ctl[pin];
366         u32 reg;
367
368         /* Error check on pin and pupd */
369         assert(pmux_pingrp_isvalid(pin));
370         assert(pmux_pin_pupd_isvalid(pupd));
371
372         reg = readl(pull);
373         reg &= ~(0x3 << PMUX_PULL_SHIFT);
374         reg |= (pupd << PMUX_PULL_SHIFT);
375         writel(reg, pull);
376 }
377
378 void pinmux_set_func(enum pmux_pingrp pin, enum pmux_func func)
379 {
380         struct pmux_tri_ctlr *pmt =
381                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
382         u32 *muxctl = &pmt->pmt_ctl[pin];
383         int i, mux = -1;
384         u32 reg;
385
386         /* Error check on pin and func */
387         assert(pmux_pingrp_isvalid(pin));
388         assert(pmux_func_isvalid(func));
389
390         /* Handle special values */
391         if (func == PMUX_FUNC_SAFE)
392                 func = tegra_soc_pingroups[pin].func_safe;
393
394         if (func & PMUX_FUNC_RSVD1) {
395                 mux = func & 0x3;
396         } else {
397                 /* Search for the appropriate function */
398                 for (i = 0; i < 4; i++) {
399                         if (tegra_soc_pingroups[pin].funcs[i] == func) {
400                                 mux = i;
401                                 break;
402                         }
403                 }
404         }
405         assert(mux != -1);
406
407         reg = readl(muxctl);
408         reg &= ~(0x3 << PMUX_MUXCTL_SHIFT);
409         reg |= (mux << PMUX_MUXCTL_SHIFT);
410         writel(reg, muxctl);
411 }
412
413 void pinmux_set_io(enum pmux_pingrp pin, enum pmux_pin_io io)
414 {
415         struct pmux_tri_ctlr *pmt =
416                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
417         u32 *pin_io = &pmt->pmt_ctl[pin];
418         u32 reg;
419
420         /* Error check on pin and io */
421         assert(pmux_pingrp_isvalid(pin));
422         assert(pmux_pin_io_isvalid(io));
423
424         reg = readl(pin_io);
425         reg &= ~(0x1 << PMUX_IO_SHIFT);
426         reg |= (io & 0x1) << PMUX_IO_SHIFT;
427         writel(reg, pin_io);
428 }
429
430 static int pinmux_set_lock(enum pmux_pingrp pin, enum pmux_pin_lock lock)
431 {
432         struct pmux_tri_ctlr *pmt =
433                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
434         u32 *pin_lock = &pmt->pmt_ctl[pin];
435         u32 reg;
436
437         /* Error check on pin and lock */
438         assert(pmux_pingrp_isvalid(pin));
439         assert(pmux_pin_lock_isvalid(lock));
440
441         if (lock == PMUX_PIN_LOCK_DEFAULT)
442                 return 0;
443
444         reg = readl(pin_lock);
445         reg &= ~(0x1 << PMUX_LOCK_SHIFT);
446         if (lock == PMUX_PIN_LOCK_ENABLE) {
447                 reg |= (0x1 << PMUX_LOCK_SHIFT);
448         } else {
449                 /* lock == DISABLE, which isn't possible */
450                 printf("%s: Warning: lock == %d, DISABLE is not allowed!\n",
451                        __func__, lock);
452         }
453         writel(reg, pin_lock);
454
455         return 0;
456 }
457
458 static int pinmux_set_od(enum pmux_pingrp pin, enum pmux_pin_od od)
459 {
460         struct pmux_tri_ctlr *pmt =
461                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
462         u32 *pin_od = &pmt->pmt_ctl[pin];
463         u32 reg;
464
465         /* Error check on pin and od */
466         assert(pmux_pingrp_isvalid(pin));
467         assert(pmux_pin_od_isvalid(od));
468
469         if (od == PMUX_PIN_OD_DEFAULT)
470                 return 0;
471
472         reg = readl(pin_od);
473         reg &= ~(0x1 << PMUX_OD_SHIFT);
474         if (od == PMUX_PIN_OD_ENABLE)
475                 reg |= (0x1 << PMUX_OD_SHIFT);
476         writel(reg, pin_od);
477
478         return 0;
479 }
480
481 static int pinmux_set_ioreset(enum pmux_pingrp pin,
482                                 enum pmux_pin_ioreset ioreset)
483 {
484         struct pmux_tri_ctlr *pmt =
485                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
486         u32 *pin_ioreset = &pmt->pmt_ctl[pin];
487         u32 reg;
488
489         /* Error check on pin and ioreset */
490         assert(pmux_pingrp_isvalid(pin));
491         assert(pmux_pin_ioreset_isvalid(ioreset));
492
493         if (ioreset == PMUX_PIN_IO_RESET_DEFAULT)
494                 return 0;
495
496         reg = readl(pin_ioreset);
497         reg &= ~(0x1 << PMUX_IO_RESET_SHIFT);
498         if (ioreset == PMUX_PIN_IO_RESET_ENABLE)
499                 reg |= (0x1 << PMUX_IO_RESET_SHIFT);
500         writel(reg, pin_ioreset);
501
502         return 0;
503 }
504
505 static int pinmux_set_rcv_sel(enum pmux_pingrp pin,
506                                 enum pmux_pin_rcv_sel rcv_sel)
507 {
508         struct pmux_tri_ctlr *pmt =
509                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
510         u32 *pin_rcv_sel = &pmt->pmt_ctl[pin];
511         u32 reg;
512
513         /* Error check on pin and rcv_sel */
514         assert(pmux_pingrp_isvalid(pin));
515         assert(pmux_pin_rcv_sel_isvalid(rcv_sel));
516
517         if (rcv_sel == PMUX_PIN_RCV_SEL_DEFAULT)
518                 return 0;
519
520         reg = readl(pin_rcv_sel);
521         reg &= ~(0x1 << PMUX_RCV_SEL_SHIFT);
522         if (rcv_sel == PMUX_PIN_RCV_SEL_HIGH)
523                 reg |= (0x1 << PMUX_RCV_SEL_SHIFT);
524         writel(reg, pin_rcv_sel);
525
526         return 0;
527 }
528
529 void pinmux_config_pingroup(struct pingroup_config *config)
530 {
531         enum pmux_pingrp pin = config->pingroup;
532
533         pinmux_set_func(pin, config->func);
534         pinmux_set_pullupdown(pin, config->pull);
535         pinmux_set_tristate(pin, config->tristate);
536         pinmux_set_io(pin, config->io);
537         pinmux_set_lock(pin, config->lock);
538         pinmux_set_od(pin, config->od);
539         pinmux_set_ioreset(pin, config->ioreset);
540         pinmux_set_rcv_sel(pin, config->rcv_sel);
541 }
542
543 void pinmux_config_table(struct pingroup_config *config, int len)
544 {
545         int i;
546
547         for (i = 0; i < len; i++)
548                 pinmux_config_pingroup(&config[i]);
549 }
550
551 static int padgrp_set_drvup_slwf(enum pdrive_pingrp pad, int slwf)
552 {
553         struct pmux_tri_ctlr *pmt =
554                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
555         u32 *pad_slwf = &pmt->pmt_drive[pad];
556         u32 reg;
557
558         /* Error check on pad and slwf */
559         assert(pmux_padgrp_isvalid(pad));
560         assert(pmux_pad_slw_isvalid(slwf));
561
562         /* NONE means unspecified/do not change/use POR value */
563         if (slwf == PGRP_SLWF_NONE)
564                 return 0;
565
566         reg = readl(pad_slwf);
567         reg &= ~PGRP_SLWF_MASK;
568         reg |= (slwf << PGRP_SLWF_SHIFT);
569         writel(reg, pad_slwf);
570
571         return 0;
572 }
573
574 static int padgrp_set_drvdn_slwr(enum pdrive_pingrp pad, int slwr)
575 {
576         struct pmux_tri_ctlr *pmt =
577                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
578         u32 *pad_slwr = &pmt->pmt_drive[pad];
579         u32 reg;
580
581         /* Error check on pad and slwr */
582         assert(pmux_padgrp_isvalid(pad));
583         assert(pmux_pad_slw_isvalid(slwr));
584
585         /* NONE means unspecified/do not change/use POR value */
586         if (slwr == PGRP_SLWR_NONE)
587                 return 0;
588
589         reg = readl(pad_slwr);
590         reg &= ~PGRP_SLWR_MASK;
591         reg |= (slwr << PGRP_SLWR_SHIFT);
592         writel(reg, pad_slwr);
593
594         return 0;
595 }
596
597 static int padgrp_set_drvup(enum pdrive_pingrp pad, int drvup)
598 {
599         struct pmux_tri_ctlr *pmt =
600                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
601         u32 *pad_drvup = &pmt->pmt_drive[pad];
602         u32 reg;
603
604         /* Error check on pad and drvup */
605         assert(pmux_padgrp_isvalid(pad));
606         assert(pmux_pad_drv_isvalid(drvup));
607
608         /* NONE means unspecified/do not change/use POR value */
609         if (drvup == PGRP_DRVUP_NONE)
610                 return 0;
611
612         reg = readl(pad_drvup);
613         reg &= ~PGRP_DRVUP_MASK;
614         reg |= (drvup << PGRP_DRVUP_SHIFT);
615         writel(reg, pad_drvup);
616
617         return 0;
618 }
619
620 static int padgrp_set_drvdn(enum pdrive_pingrp pad, int drvdn)
621 {
622         struct pmux_tri_ctlr *pmt =
623                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
624         u32 *pad_drvdn = &pmt->pmt_drive[pad];
625         u32 reg;
626
627         /* Error check on pad and drvdn */
628         assert(pmux_padgrp_isvalid(pad));
629         assert(pmux_pad_drv_isvalid(drvdn));
630
631         /* NONE means unspecified/do not change/use POR value */
632         if (drvdn == PGRP_DRVDN_NONE)
633                 return 0;
634
635         reg = readl(pad_drvdn);
636         reg &= ~PGRP_DRVDN_MASK;
637         reg |= (drvdn << PGRP_DRVDN_SHIFT);
638         writel(reg, pad_drvdn);
639
640         return 0;
641 }
642
643 static int padgrp_set_lpmd(enum pdrive_pingrp pad, enum pgrp_lpmd lpmd)
644 {
645         struct pmux_tri_ctlr *pmt =
646                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
647         u32 *pad_lpmd = &pmt->pmt_drive[pad];
648         u32 reg;
649
650         /* Error check pad and lpmd value */
651         assert(pmux_padgrp_isvalid(pad));
652         assert(pmux_pad_lpmd_isvalid(lpmd));
653
654         /* NONE means unspecified/do not change/use POR value */
655         if (lpmd == PGRP_LPMD_NONE)
656                 return 0;
657
658         reg = readl(pad_lpmd);
659         reg &= ~PGRP_LPMD_MASK;
660         reg |= (lpmd << PGRP_LPMD_SHIFT);
661         writel(reg, pad_lpmd);
662
663         return 0;
664 }
665
666 static int padgrp_set_schmt(enum pdrive_pingrp pad, enum pgrp_schmt schmt)
667 {
668         struct pmux_tri_ctlr *pmt =
669                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
670         u32 *pad_schmt = &pmt->pmt_drive[pad];
671         u32 reg;
672
673         /* Error check pad */
674         assert(pmux_padgrp_isvalid(pad));
675
676         /* NONE means unspecified/do not change/use POR value */
677         if (schmt == PGRP_SCHMT_NONE)
678                 return 0;
679
680         reg = readl(pad_schmt);
681         reg &= ~(1 << PGRP_SCHMT_SHIFT);
682         if (schmt == PGRP_SCHMT_ENABLE)
683                 reg |= (0x1 << PGRP_SCHMT_SHIFT);
684         writel(reg, pad_schmt);
685
686         return 0;
687 }
688 static int padgrp_set_hsm(enum pdrive_pingrp pad, enum pgrp_hsm hsm)
689 {
690         struct pmux_tri_ctlr *pmt =
691                         (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
692         u32 *pad_hsm = &pmt->pmt_drive[pad];
693         u32 reg;
694
695         /* Error check pad */
696         assert(pmux_padgrp_isvalid(pad));
697
698         /* NONE means unspecified/do not change/use POR value */
699         if (hsm == PGRP_HSM_NONE)
700                 return 0;
701
702         reg = readl(pad_hsm);
703         reg &= ~(1 << PGRP_HSM_SHIFT);
704         if (hsm == PGRP_HSM_ENABLE)
705                 reg |= (0x1 << PGRP_HSM_SHIFT);
706         writel(reg, pad_hsm);
707
708         return 0;
709 }
710
711 void padctrl_config_pingroup(struct padctrl_config *config)
712 {
713         enum pdrive_pingrp pad = config->padgrp;
714
715         padgrp_set_drvup_slwf(pad, config->slwf);
716         padgrp_set_drvdn_slwr(pad, config->slwr);
717         padgrp_set_drvup(pad, config->drvup);
718         padgrp_set_drvdn(pad, config->drvdn);
719         padgrp_set_lpmd(pad, config->lpmd);
720         padgrp_set_schmt(pad, config->schmt);
721         padgrp_set_hsm(pad, config->hsm);
722 }
723
724 void padgrp_config_table(struct padctrl_config *config, int len)
725 {
726         int i;
727
728         for (i = 0; i < len; i++)
729                 padctrl_config_pingroup(&config[i]);
730 }