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_ioremap_resource(&pdev->dev, res); 247 if (IS_ERR(base)) 248 return PTR_ERR(base); 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 .of_match_table = berlin2_pinctrl_match, 267 }, 268 }; 269 module_platform_driver(berlin2_pinctrl_driver); 270 271 MODULE_AUTHOR("Antoine Ténart <antoine.tenart@free-electrons.com>"); 272 MODULE_DESCRIPTION("Marvell Berlin BG2 pinctrl driver"); 273 MODULE_LICENSE("GPL"); 274