1 /* 2 * Marvell Berlin BG2CD 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 berlin2cd_soc_pinctrl_groups[] = { 21 /* G */ 22 BERLIN_PINCTRL_GROUP("G0", 0x00, 0x1, 0x00, 23 BERLIN_PINCTRL_FUNCTION(0x0, "jtag"), 24 BERLIN_PINCTRL_FUNCTION(0x1, "gpio"), 25 BERLIN_PINCTRL_FUNCTION(0x2, "led"), 26 BERLIN_PINCTRL_FUNCTION(0x3, "pwm")), 27 BERLIN_PINCTRL_GROUP("G1", 0x00, 0x2, 0x01, 28 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), 29 BERLIN_PINCTRL_FUNCTION(0x1, "sd0"), 30 BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"), 31 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")), 32 BERLIN_PINCTRL_GROUP("G2", 0x00, 0x2, 0x02, 33 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), 34 BERLIN_PINCTRL_FUNCTION(0x1, "sd0"), 35 BERLIN_PINCTRL_FUNCTION(0x2, "fe"), 36 BERLIN_PINCTRL_FUNCTION(0x3, "pll"), 37 BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"), 38 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")), 39 BERLIN_PINCTRL_GROUP("G3", 0x00, 0x2, 0x04, 40 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), 41 BERLIN_PINCTRL_FUNCTION(0x1, "sd0"), 42 BERLIN_PINCTRL_FUNCTION(0x2, "twsi2"), 43 BERLIN_PINCTRL_FUNCTION(0x3, "pll"), 44 BERLIN_PINCTRL_FUNCTION(0x4, "fe"), 45 BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"), 46 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")), 47 BERLIN_PINCTRL_GROUP("G4", 0x00, 0x2, 0x06, 48 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), 49 BERLIN_PINCTRL_FUNCTION(0x1, "sd0"), 50 BERLIN_PINCTRL_FUNCTION(0x2, "twsi3"), 51 BERLIN_PINCTRL_FUNCTION(0x3, "pll"), 52 BERLIN_PINCTRL_FUNCTION(0x4, "pwm"), 53 BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"), 54 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")), 55 BERLIN_PINCTRL_GROUP("G5", 0x00, 0x3, 0x08, 56 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), 57 BERLIN_PINCTRL_FUNCTION(0x1, "sd0"), 58 BERLIN_PINCTRL_FUNCTION(0x2, "twsi3"), 59 BERLIN_PINCTRL_FUNCTION(0x3, "arc"), 60 BERLIN_PINCTRL_FUNCTION(0x4, "pwm"), 61 BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"), 62 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")), 63 BERLIN_PINCTRL_GROUP("G6", 0x00, 0x2, 0x0b, 64 BERLIN_PINCTRL_FUNCTION(0x0, "uart0"), /* RX/TX */ 65 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), 66 BERLIN_PINCTRL_GROUP("G7", 0x00, 0x3, 0x0d, 67 BERLIN_PINCTRL_FUNCTION(0x0, "eddc"), 68 BERLIN_PINCTRL_FUNCTION(0x1, "twsi1"), 69 BERLIN_PINCTRL_FUNCTION(0x2, "gpio")), 70 BERLIN_PINCTRL_GROUP("G8", 0x00, 0x3, 0x10, 71 BERLIN_PINCTRL_FUNCTION(0x0, "ss0"), 72 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), 73 BERLIN_PINCTRL_GROUP("G9", 0x00, 0x3, 0x13, 74 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), 75 BERLIN_PINCTRL_FUNCTION(0x1, "spi1"), 76 BERLIN_PINCTRL_FUNCTION(0x2, "twsi0")), 77 BERLIN_PINCTRL_GROUP("G10", 0x00, 0x2, 0x16, 78 BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), 79 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), 80 BERLIN_PINCTRL_GROUP("G11", 0x00, 0x2, 0x18, 81 BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), 82 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), 83 BERLIN_PINCTRL_GROUP("G12", 0x00, 0x3, 0x1a, 84 BERLIN_PINCTRL_FUNCTION(0x0, "usb1"), 85 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), 86 BERLIN_PINCTRL_GROUP("G13", 0x04, 0x3, 0x00, 87 BERLIN_PINCTRL_FUNCTION(0x0, "nand"), 88 BERLIN_PINCTRL_FUNCTION(0x1, "usb0_dbg"), 89 BERLIN_PINCTRL_FUNCTION(0x2, "usb1_dbg")), 90 BERLIN_PINCTRL_GROUP("G14", 0x04, 0x1, 0x03, 91 BERLIN_PINCTRL_FUNCTION(0x0, "nand"), 92 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), 93 BERLIN_PINCTRL_GROUP("G15", 0x04, 0x2, 0x04, 94 BERLIN_PINCTRL_FUNCTION(0x0, "jtag"), 95 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")), 96 BERLIN_PINCTRL_GROUP("G16", 0x04, 0x3, 0x06, 97 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 98 BERLIN_PINCTRL_GROUP("G17", 0x04, 0x3, 0x09, 99 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 100 BERLIN_PINCTRL_GROUP("G18", 0x04, 0x1, 0x0c, 101 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 102 BERLIN_PINCTRL_GROUP("G19", 0x04, 0x1, 0x0d, 103 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 104 BERLIN_PINCTRL_GROUP("G20", 0x04, 0x1, 0x0e, 105 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 106 BERLIN_PINCTRL_GROUP("G21", 0x04, 0x3, 0x0f, 107 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 108 BERLIN_PINCTRL_GROUP("G22", 0x04, 0x3, 0x12, 109 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 110 BERLIN_PINCTRL_GROUP("G23", 0x04, 0x3, 0x15, 111 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 112 BERLIN_PINCTRL_GROUP("G24", 0x04, 0x2, 0x18, 113 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 114 BERLIN_PINCTRL_GROUP("G25", 0x04, 0x2, 0x1a, 115 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 116 BERLIN_PINCTRL_GROUP("G26", 0x04, 0x1, 0x1c, 117 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 118 BERLIN_PINCTRL_GROUP("G27", 0x04, 0x1, 0x1d, 119 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 120 BERLIN_PINCTRL_GROUP("G28", 0x04, 0x2, 0x1e, 121 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 122 }; 123 124 static const struct berlin_desc_group berlin2cd_sysmgr_pinctrl_groups[] = { 125 /* GSM */ 126 BERLIN_PINCTRL_GROUP("GSM0", 0x40, 0x2, 0x00, 127 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 128 BERLIN_PINCTRL_GROUP("GSM1", 0x40, 0x2, 0x02, 129 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 130 BERLIN_PINCTRL_GROUP("GSM2", 0x40, 0x2, 0x04, 131 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 132 BERLIN_PINCTRL_GROUP("GSM3", 0x40, 0x2, 0x06, 133 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 134 BERLIN_PINCTRL_GROUP("GSM4", 0x40, 0x2, 0x08, 135 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 136 BERLIN_PINCTRL_GROUP("GSM5", 0x40, 0x2, 0x0a, 137 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 138 BERLIN_PINCTRL_GROUP("GSM6", 0x40, 0x2, 0x0c, 139 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 140 BERLIN_PINCTRL_GROUP("GSM7", 0x40, 0x1, 0x0e, 141 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 142 BERLIN_PINCTRL_GROUP("GSM8", 0x40, 0x1, 0x0f, 143 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 144 BERLIN_PINCTRL_GROUP("GSM9", 0x40, 0x1, 0x10, 145 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 146 BERLIN_PINCTRL_GROUP("GSM10", 0x40, 0x1, 0x11, 147 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 148 BERLIN_PINCTRL_GROUP("GSM11", 0x40, 0x1, 0x12, 149 BERLIN_PINCTRL_FUNCTION_UNKNOWN), 150 }; 151 152 static const struct berlin_pinctrl_desc berlin2cd_soc_pinctrl_data = { 153 .groups = berlin2cd_soc_pinctrl_groups, 154 .ngroups = ARRAY_SIZE(berlin2cd_soc_pinctrl_groups), 155 }; 156 157 static const struct berlin_pinctrl_desc berlin2cd_sysmgr_pinctrl_data = { 158 .groups = berlin2cd_sysmgr_pinctrl_groups, 159 .ngroups = ARRAY_SIZE(berlin2cd_sysmgr_pinctrl_groups), 160 }; 161 162 static const struct of_device_id berlin2cd_pinctrl_match[] = { 163 { 164 .compatible = "marvell,berlin2cd-chip-ctrl", 165 .data = &berlin2cd_soc_pinctrl_data 166 }, 167 { 168 .compatible = "marvell,berlin2cd-system-ctrl", 169 .data = &berlin2cd_sysmgr_pinctrl_data 170 }, 171 {} 172 }; 173 MODULE_DEVICE_TABLE(of, berlin2cd_pinctrl_match); 174 175 static int berlin2cd_pinctrl_probe(struct platform_device *pdev) 176 { 177 const struct of_device_id *match = 178 of_match_device(berlin2cd_pinctrl_match, &pdev->dev); 179 struct regmap_config *rmconfig; 180 struct regmap *regmap; 181 struct resource *res; 182 void __iomem *base; 183 184 rmconfig = devm_kzalloc(&pdev->dev, sizeof(*rmconfig), GFP_KERNEL); 185 if (!rmconfig) 186 return -ENOMEM; 187 188 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 189 base = devm_ioremap_resource(&pdev->dev, res); 190 if (IS_ERR(base)) 191 return PTR_ERR(base); 192 193 rmconfig->reg_bits = 32, 194 rmconfig->val_bits = 32, 195 rmconfig->reg_stride = 4, 196 rmconfig->max_register = resource_size(res); 197 198 regmap = devm_regmap_init_mmio(&pdev->dev, base, rmconfig); 199 if (IS_ERR(regmap)) 200 return PTR_ERR(regmap); 201 202 return berlin_pinctrl_probe(pdev, match->data); 203 } 204 205 static struct platform_driver berlin2cd_pinctrl_driver = { 206 .probe = berlin2cd_pinctrl_probe, 207 .driver = { 208 .name = "berlin-bg2cd-pinctrl", 209 .of_match_table = berlin2cd_pinctrl_match, 210 }, 211 }; 212 module_platform_driver(berlin2cd_pinctrl_driver); 213 214 MODULE_AUTHOR("Antoine Ténart <antoine.tenart@free-electrons.com>"); 215 MODULE_DESCRIPTION("Marvell Berlin BG2CD pinctrl driver"); 216 MODULE_LICENSE("GPL"); 217