Antoine Tenart | b016d1b | 2014-05-19 19:36:31 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Marvell Berlin BG2 pinctrl driver. |
| 3 | * |
| 4 | * Copyright (C) 2014 Marvell Technology Group Ltd. |
| 5 | * |
| 6 | * Antoine Ténart <antoine.tenart@free-electrons.com> |
| 7 | * |
| 8 | * This file is licensed under the terms of the GNU General Public |
| 9 | * License version 2. This program is licensed "as is" without any |
| 10 | * warranty of any kind, whether express or implied. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/of_device.h> |
| 15 | #include <linux/platform_device.h> |
| 16 | #include <linux/regmap.h> |
| 17 | |
| 18 | #include "berlin.h" |
| 19 | |
| 20 | static const struct berlin_desc_group berlin2_soc_pinctrl_groups[] = { |
| 21 | /* G */ |
| 22 | BERLIN_PINCTRL_GROUP("G0", 0x00, 0x1, 0x00, |
| 23 | BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), |
| 24 | BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), |
| 25 | BERLIN_PINCTRL_GROUP("G1", 0x00, 0x2, 0x01, |
| 26 | BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), |
| 27 | BERLIN_PINCTRL_FUNCTION(0x1, "gpio"), |
| 28 | BERLIN_PINCTRL_FUNCTION(0x2, "usb1")), |
| 29 | BERLIN_PINCTRL_GROUP("G2", 0x00, 0x2, 0x02, |
| 30 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 31 | BERLIN_PINCTRL_FUNCTION(0x1, "spi1"), |
| 32 | BERLIN_PINCTRL_FUNCTION(0x2, "pwm"), |
| 33 | BERLIN_PINCTRL_FUNCTION(0x3, "i2s0")), |
| 34 | BERLIN_PINCTRL_GROUP("G3", 0x00, 0x2, 0x04, |
| 35 | BERLIN_PINCTRL_FUNCTION(0x0, "soc"), |
| 36 | BERLIN_PINCTRL_FUNCTION(0x1, "spi1"), |
| 37 | BERLIN_PINCTRL_FUNCTION(0x2, "gpio"), |
| 38 | BERLIN_PINCTRL_FUNCTION(0x3, "i2s1")), |
| 39 | BERLIN_PINCTRL_GROUP("G4", 0x00, 0x2, 0x06, |
| 40 | BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), |
| 41 | BERLIN_PINCTRL_FUNCTION(0x1, "gpio"), |
| 42 | BERLIN_PINCTRL_FUNCTION(0x2, "pwm")), |
| 43 | BERLIN_PINCTRL_GROUP("G5", 0x00, 0x3, 0x08, |
| 44 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 45 | BERLIN_PINCTRL_FUNCTION(0x1, "sts1"), |
| 46 | BERLIN_PINCTRL_FUNCTION(0x2, "et"), |
| 47 | /* |
| 48 | * Mode 0x3 mux i2s2 mclk *and* i2s3 mclk: |
| 49 | * add two functions so it can be used with other groups |
| 50 | * within the same subnode in the device tree |
| 51 | */ |
| 52 | BERLIN_PINCTRL_FUNCTION(0x3, "i2s2"), |
| 53 | BERLIN_PINCTRL_FUNCTION(0x3, "i2s3")), |
| 54 | BERLIN_PINCTRL_GROUP("G6", 0x00, 0x2, 0x0b, |
| 55 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 56 | BERLIN_PINCTRL_FUNCTION(0x1, "sts0"), |
| 57 | BERLIN_PINCTRL_FUNCTION(0x2, "et")), |
| 58 | BERLIN_PINCTRL_GROUP("G7", 0x00, 0x3, 0x0d, |
| 59 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 60 | BERLIN_PINCTRL_FUNCTION(0x1, "sts0"), |
| 61 | BERLIN_PINCTRL_FUNCTION(0x2, "et"), |
| 62 | BERLIN_PINCTRL_FUNCTION(0x3, "vdac")), |
| 63 | BERLIN_PINCTRL_GROUP("G8", 0x00, 0x3, 0x10, |
| 64 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 65 | BERLIN_PINCTRL_FUNCTION(0x1, "sd0"), |
| 66 | BERLIN_PINCTRL_FUNCTION(0x2, "et"), |
| 67 | BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"), |
| 68 | BERLIN_PINCTRL_FUNCTION(0x4, "sata_dbg"), |
| 69 | BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")), |
| 70 | BERLIN_PINCTRL_GROUP("G9", 0x00, 0x3, 0x13, |
| 71 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 72 | BERLIN_PINCTRL_FUNCTION(0x1, "sd0"), |
| 73 | BERLIN_PINCTRL_FUNCTION(0x2, "et"), |
| 74 | BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"), |
| 75 | BERLIN_PINCTRL_FUNCTION(0x4, "sata_dbg"), |
| 76 | BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")), |
| 77 | BERLIN_PINCTRL_GROUP("G10", 0x00, 0x2, 0x16, |
| 78 | BERLIN_PINCTRL_FUNCTION(0x0, "soc"), |
| 79 | BERLIN_PINCTRL_FUNCTION(0x1, "twsi0"), |
| 80 | BERLIN_PINCTRL_FUNCTION(0x2, "gpio"), |
| 81 | BERLIN_PINCTRL_FUNCTION(0x3, "ptp")), |
| 82 | BERLIN_PINCTRL_GROUP("G11", 0x00, 0x2, 0x18, |
| 83 | BERLIN_PINCTRL_FUNCTION(0x0, "soc"), |
| 84 | BERLIN_PINCTRL_FUNCTION(0x1, "twsi1"), |
| 85 | BERLIN_PINCTRL_FUNCTION(0x2, "gpio"), |
| 86 | BERLIN_PINCTRL_FUNCTION(0x3, "eddc")), |
| 87 | BERLIN_PINCTRL_GROUP("G12", 0x00, 0x3, 0x1a, |
| 88 | BERLIN_PINCTRL_FUNCTION(0x0, "sts2"), |
| 89 | BERLIN_PINCTRL_FUNCTION(0x1, "sata"), |
| 90 | BERLIN_PINCTRL_FUNCTION(0x2, "sd1"), |
| 91 | BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"), |
| 92 | BERLIN_PINCTRL_FUNCTION(0x4, "sts1"), |
| 93 | BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")), |
| 94 | BERLIN_PINCTRL_GROUP("G13", 0x04, 0x3, 0x00, |
| 95 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 96 | BERLIN_PINCTRL_FUNCTION(0x1, "sata"), |
| 97 | BERLIN_PINCTRL_FUNCTION(0x2, "sd1"), |
| 98 | BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"), |
| 99 | BERLIN_PINCTRL_FUNCTION(0x4, "sts1"), |
| 100 | BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")), |
| 101 | BERLIN_PINCTRL_GROUP("G14", 0x04, 0x1, 0x03, |
| 102 | BERLIN_PINCTRL_FUNCTION_UNKNOWN), |
| 103 | BERLIN_PINCTRL_GROUP("G15", 0x04, 0x2, 0x04, |
| 104 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 105 | BERLIN_PINCTRL_FUNCTION(0x2, "et"), |
| 106 | BERLIN_PINCTRL_FUNCTION(0x3, "osco")), |
| 107 | BERLIN_PINCTRL_GROUP("G16", 0x04, 0x3, 0x06, |
| 108 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 109 | BERLIN_PINCTRL_FUNCTION(0x1, "dvio"), |
| 110 | BERLIN_PINCTRL_FUNCTION(0x2, "fp")), |
| 111 | BERLIN_PINCTRL_GROUP("G17", 0x04, 0x3, 0x09, |
| 112 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 113 | BERLIN_PINCTRL_FUNCTION(0x1, "dvio"), |
| 114 | BERLIN_PINCTRL_FUNCTION(0x2, "fp")), |
| 115 | BERLIN_PINCTRL_GROUP("G18", 0x04, 0x1, 0x0c, |
| 116 | BERLIN_PINCTRL_FUNCTION(0x0, "pll"), |
| 117 | BERLIN_PINCTRL_FUNCTION(0x1, "i2s0")), |
| 118 | BERLIN_PINCTRL_GROUP("G19", 0x04, 0x1, 0x0d, |
| 119 | BERLIN_PINCTRL_FUNCTION(0x0, "i2s0"), |
| 120 | BERLIN_PINCTRL_FUNCTION(0x1, "pwm")), |
| 121 | BERLIN_PINCTRL_GROUP("G20", 0x04, 0x1, 0x0e, |
| 122 | BERLIN_PINCTRL_FUNCTION(0x0, "spdif"), |
| 123 | BERLIN_PINCTRL_FUNCTION(0x1, "arc")), |
| 124 | BERLIN_PINCTRL_GROUP("G21", 0x04, 0x3, 0x0f, |
| 125 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 126 | BERLIN_PINCTRL_FUNCTION(0x1, "dvio"), |
| 127 | BERLIN_PINCTRL_FUNCTION(0x2, "fp"), |
| 128 | BERLIN_PINCTRL_FUNCTION(0x3, "adac_dbg"), |
| 129 | BERLIN_PINCTRL_FUNCTION(0x4, "pdm_a"), /* gpio17..19,pdm */ |
| 130 | BERLIN_PINCTRL_FUNCTION(0x7, "pdm_b")), /* gpio12..14,pdm */ |
| 131 | BERLIN_PINCTRL_GROUP("G22", 0x04, 0x3, 0x12, |
| 132 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 133 | BERLIN_PINCTRL_FUNCTION(0x1, "dv0"), |
| 134 | BERLIN_PINCTRL_FUNCTION(0x2, "fp"), |
| 135 | BERLIN_PINCTRL_FUNCTION(0x3, "twsi0"), |
| 136 | BERLIN_PINCTRL_FUNCTION(0x4, "pwm")), |
| 137 | BERLIN_PINCTRL_GROUP("G23", 0x04, 0x3, 0x15, |
| 138 | BERLIN_PINCTRL_FUNCTION(0x0, "vclki"), |
| 139 | BERLIN_PINCTRL_FUNCTION(0x1, "dv0"), |
| 140 | BERLIN_PINCTRL_FUNCTION(0x2, "fp"), |
| 141 | BERLIN_PINCTRL_FUNCTION(0x3, "i2s0"), |
| 142 | BERLIN_PINCTRL_FUNCTION(0x4, "pwm"), |
| 143 | BERLIN_PINCTRL_FUNCTION(0x7, "pdm")), |
| 144 | BERLIN_PINCTRL_GROUP("G24", 0x04, 0x2, 0x18, |
| 145 | BERLIN_PINCTRL_FUNCTION(0x0, "i2s2"), |
| 146 | BERLIN_PINCTRL_FUNCTION(0x1, "i2s1")), |
| 147 | BERLIN_PINCTRL_GROUP("G25", 0x04, 0x2, 0x1a, |
| 148 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 149 | BERLIN_PINCTRL_FUNCTION(0x1, "nand"), |
| 150 | BERLIN_PINCTRL_FUNCTION(0x2, "i2s2")), |
| 151 | BERLIN_PINCTRL_GROUP("G26", 0x04, 0x1, 0x1c, |
| 152 | BERLIN_PINCTRL_FUNCTION(0x0, "nand"), |
| 153 | BERLIN_PINCTRL_FUNCTION(0x1, "emmc")), |
| 154 | BERLIN_PINCTRL_GROUP("G27", 0x04, 0x1, 0x1d, |
| 155 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 156 | BERLIN_PINCTRL_FUNCTION(0x1, "nand")), |
| 157 | BERLIN_PINCTRL_GROUP("G28", 0x04, 0x2, 0x1e, |
| 158 | BERLIN_PINCTRL_FUNCTION(0x0, "dvo"), |
| 159 | BERLIN_PINCTRL_FUNCTION(0x2, "sp")), |
| 160 | }; |
| 161 | |
| 162 | static const struct berlin_desc_group berlin2_sysmgr_pinctrl_groups[] = { |
| 163 | /* GSM */ |
| 164 | BERLIN_PINCTRL_GROUP("GSM0", 0x40, 0x2, 0x00, |
| 165 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 166 | BERLIN_PINCTRL_FUNCTION(0x1, "spi2"), |
| 167 | BERLIN_PINCTRL_FUNCTION(0x2, "eth1")), |
| 168 | BERLIN_PINCTRL_GROUP("GSM1", 0x40, 0x2, 0x02, |
| 169 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 170 | BERLIN_PINCTRL_FUNCTION(0x1, "spi2"), |
| 171 | BERLIN_PINCTRL_FUNCTION(0x2, "eth1")), |
| 172 | BERLIN_PINCTRL_GROUP("GSM2", 0x40, 0x2, 0x04, |
| 173 | BERLIN_PINCTRL_FUNCTION(0x0, "twsi2"), |
| 174 | BERLIN_PINCTRL_FUNCTION(0x1, "spi2")), |
| 175 | BERLIN_PINCTRL_GROUP("GSM3", 0x40, 0x2, 0x06, |
| 176 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 177 | BERLIN_PINCTRL_FUNCTION(0x1, "uart0"), /* CTS/RTS */ |
| 178 | BERLIN_PINCTRL_FUNCTION(0x2, "uart2"), /* RX/TX */ |
| 179 | BERLIN_PINCTRL_FUNCTION(0x3, "twsi2")), |
| 180 | BERLIN_PINCTRL_GROUP("GSM4", 0x40, 0x2, 0x08, |
| 181 | BERLIN_PINCTRL_FUNCTION(0x0, "uart0"), /* RX/TX */ |
| 182 | BERLIN_PINCTRL_FUNCTION(0x1, "irda0")), |
| 183 | BERLIN_PINCTRL_GROUP("GSM5", 0x40, 0x2, 0x0a, |
| 184 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 185 | BERLIN_PINCTRL_FUNCTION(0x1, "uart1"), /* RX/TX */ |
| 186 | BERLIN_PINCTRL_FUNCTION(0x2, "irda1"), |
| 187 | BERLIN_PINCTRL_FUNCTION(0x3, "twsi3")), |
| 188 | BERLIN_PINCTRL_GROUP("GSM6", 0x40, 0x2, 0x0c, |
| 189 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 190 | BERLIN_PINCTRL_FUNCTION(0x1, "spi2"), |
| 191 | BERLIN_PINCTRL_FUNCTION(0x1, "clki")), |
| 192 | BERLIN_PINCTRL_GROUP("GSM7", 0x40, 0x1, 0x0e, |
| 193 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 194 | BERLIN_PINCTRL_FUNCTION(0x1, "hdmi")), |
| 195 | BERLIN_PINCTRL_GROUP("GSM8", 0x40, 0x1, 0x0f, |
| 196 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 197 | BERLIN_PINCTRL_FUNCTION(0x1, "hdmi")), |
| 198 | BERLIN_PINCTRL_GROUP("GSM9", 0x40, 0x1, 0x10, |
| 199 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 200 | BERLIN_PINCTRL_FUNCTION(0x1, "led")), |
| 201 | BERLIN_PINCTRL_GROUP("GSM10", 0x40, 0x1, 0x11, |
| 202 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 203 | BERLIN_PINCTRL_FUNCTION(0x1, "led")), |
| 204 | BERLIN_PINCTRL_GROUP("GSM11", 0x40, 0x1, 0x12, |
| 205 | BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), |
| 206 | BERLIN_PINCTRL_FUNCTION(0x1, "led")), |
| 207 | }; |
| 208 | |
| 209 | static const struct berlin_pinctrl_desc berlin2_soc_pinctrl_data = { |
| 210 | .groups = berlin2_soc_pinctrl_groups, |
| 211 | .ngroups = ARRAY_SIZE(berlin2_soc_pinctrl_groups), |
| 212 | }; |
| 213 | |
| 214 | static const struct berlin_pinctrl_desc berlin2_sysmgr_pinctrl_data = { |
| 215 | .groups = berlin2_sysmgr_pinctrl_groups, |
| 216 | .ngroups = ARRAY_SIZE(berlin2_sysmgr_pinctrl_groups), |
| 217 | }; |
| 218 | |
| 219 | static const struct of_device_id berlin2_pinctrl_match[] = { |
| 220 | { |
| 221 | .compatible = "marvell,berlin2-chip-ctrl", |
| 222 | .data = &berlin2_soc_pinctrl_data |
| 223 | }, |
| 224 | { |
| 225 | .compatible = "marvell,berlin2-system-ctrl", |
| 226 | .data = &berlin2_sysmgr_pinctrl_data |
| 227 | }, |
| 228 | {} |
| 229 | }; |
| 230 | MODULE_DEVICE_TABLE(of, berlin2_pinctrl_match); |
| 231 | |
| 232 | static int berlin2_pinctrl_probe(struct platform_device *pdev) |
| 233 | { |
| 234 | const struct of_device_id *match = |
| 235 | of_match_device(berlin2_pinctrl_match, &pdev->dev); |
| 236 | struct regmap_config *rmconfig; |
| 237 | struct regmap *regmap; |
| 238 | struct resource *res; |
| 239 | void __iomem *base; |
| 240 | |
| 241 | rmconfig = devm_kzalloc(&pdev->dev, sizeof(*rmconfig), GFP_KERNEL); |
| 242 | if (!rmconfig) |
| 243 | return -ENOMEM; |
| 244 | |
| 245 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| 246 | base = devm_request_and_ioremap(&pdev->dev, res); |
| 247 | if (!base) |
| 248 | return -EADDRNOTAVAIL; |
| 249 | |
| 250 | rmconfig->reg_bits = 32, |
| 251 | rmconfig->val_bits = 32, |
| 252 | rmconfig->reg_stride = 4, |
| 253 | rmconfig->max_register = resource_size(res); |
| 254 | |
| 255 | regmap = devm_regmap_init_mmio(&pdev->dev, base, rmconfig); |
| 256 | if (IS_ERR(regmap)) |
| 257 | return PTR_ERR(regmap); |
| 258 | |
| 259 | return berlin_pinctrl_probe(pdev, match->data); |
| 260 | } |
| 261 | |
| 262 | static struct platform_driver berlin2_pinctrl_driver = { |
| 263 | .probe = berlin2_pinctrl_probe, |
| 264 | .driver = { |
| 265 | .name = "berlin-bg2-pinctrl", |
| 266 | .owner = THIS_MODULE, |
| 267 | .of_match_table = berlin2_pinctrl_match, |
| 268 | }, |
| 269 | }; |
| 270 | module_platform_driver(berlin2_pinctrl_driver); |
| 271 | |
| 272 | MODULE_AUTHOR("Antoine Ténart <antoine.tenart@free-electrons.com>"); |
| 273 | MODULE_DESCRIPTION("Marvell Berlin BG2 pinctrl driver"); |
| 274 | MODULE_LICENSE("GPL"); |