1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Interconnect framework driver for i.MX8MP SoC 4 * 5 * Copyright 2022 NXP 6 * Peng Fan <peng.fan@nxp.com> 7 */ 8 9 #include <linux/module.h> 10 #include <linux/of_device.h> 11 #include <linux/platform_device.h> 12 #include <dt-bindings/interconnect/fsl,imx8mp.h> 13 14 #include "imx.h" 15 16 static const struct imx_icc_node_adj_desc imx8mp_noc_adj = { 17 .bw_mul = 1, 18 .bw_div = 16, 19 .main_noc = true, 20 }; 21 22 static struct imx_icc_noc_setting noc_setting_nodes[] = { 23 [IMX8MP_ICM_MLMIX] = { 24 .reg = 0x180, 25 .mode = IMX_NOC_MODE_FIXED, 26 .prio_level = 3, 27 }, 28 [IMX8MP_ICM_DSP] = { 29 .reg = 0x200, 30 .mode = IMX_NOC_MODE_FIXED, 31 .prio_level = 3, 32 }, 33 [IMX8MP_ICM_SDMA2PER] = { 34 .reg = 0x280, 35 .mode = IMX_NOC_MODE_FIXED, 36 .prio_level = 4, 37 }, 38 [IMX8MP_ICM_SDMA2BURST] = { 39 .reg = 0x300, 40 .mode = IMX_NOC_MODE_FIXED, 41 .prio_level = 4, 42 }, 43 [IMX8MP_ICM_SDMA3PER] = { 44 .reg = 0x380, 45 .mode = IMX_NOC_MODE_FIXED, 46 .prio_level = 4, 47 }, 48 [IMX8MP_ICM_SDMA3BURST] = { 49 .reg = 0x400, 50 .mode = IMX_NOC_MODE_FIXED, 51 .prio_level = 4, 52 }, 53 [IMX8MP_ICM_EDMA] = { 54 .reg = 0x480, 55 .mode = IMX_NOC_MODE_FIXED, 56 .prio_level = 4, 57 }, 58 [IMX8MP_ICM_GPU3D] = { 59 .reg = 0x500, 60 .mode = IMX_NOC_MODE_FIXED, 61 .prio_level = 3, 62 }, 63 [IMX8MP_ICM_GPU2D] = { 64 .reg = 0x580, 65 .mode = IMX_NOC_MODE_FIXED, 66 .prio_level = 3, 67 }, 68 [IMX8MP_ICM_HRV] = { 69 .reg = 0x600, 70 .mode = IMX_NOC_MODE_FIXED, 71 .prio_level = 2, 72 .ext_control = 1, 73 }, 74 [IMX8MP_ICM_LCDIF_HDMI] = { 75 .reg = 0x680, 76 .mode = IMX_NOC_MODE_FIXED, 77 .prio_level = 2, 78 .ext_control = 1, 79 }, 80 [IMX8MP_ICM_HDCP] = { 81 .reg = 0x700, 82 .mode = IMX_NOC_MODE_FIXED, 83 .prio_level = 5, 84 }, 85 [IMX8MP_ICM_NOC_PCIE] = { 86 .reg = 0x780, 87 .mode = IMX_NOC_MODE_FIXED, 88 .prio_level = 3, 89 }, 90 [IMX8MP_ICM_USB1] = { 91 .reg = 0x800, 92 .mode = IMX_NOC_MODE_FIXED, 93 .prio_level = 3, 94 }, 95 [IMX8MP_ICM_USB2] = { 96 .reg = 0x880, 97 .mode = IMX_NOC_MODE_FIXED, 98 .prio_level = 3, 99 }, 100 [IMX8MP_ICM_PCIE] = { 101 .reg = 0x900, 102 .mode = IMX_NOC_MODE_FIXED, 103 .prio_level = 3, 104 }, 105 [IMX8MP_ICM_LCDIF_RD] = { 106 .reg = 0x980, 107 .mode = IMX_NOC_MODE_FIXED, 108 .prio_level = 2, 109 .ext_control = 1, 110 }, 111 [IMX8MP_ICM_LCDIF_WR] = { 112 .reg = 0xa00, 113 .mode = IMX_NOC_MODE_FIXED, 114 .prio_level = 2, 115 .ext_control = 1, 116 }, 117 [IMX8MP_ICM_ISI0] = { 118 .reg = 0xa80, 119 .mode = IMX_NOC_MODE_FIXED, 120 .prio_level = 2, 121 .ext_control = 1, 122 }, 123 [IMX8MP_ICM_ISI1] = { 124 .reg = 0xb00, 125 .mode = IMX_NOC_MODE_FIXED, 126 .prio_level = 2, 127 .ext_control = 1, 128 }, 129 [IMX8MP_ICM_ISI2] = { 130 .reg = 0xb80, 131 .mode = IMX_NOC_MODE_FIXED, 132 .prio_level = 2, 133 .ext_control = 1, 134 }, 135 [IMX8MP_ICM_ISP0] = { 136 .reg = 0xc00, 137 .mode = IMX_NOC_MODE_FIXED, 138 .prio_level = 7, 139 }, 140 [IMX8MP_ICM_ISP1] = { 141 .reg = 0xc80, 142 .mode = IMX_NOC_MODE_FIXED, 143 .prio_level = 7, 144 }, 145 [IMX8MP_ICM_DWE] = { 146 .reg = 0xd00, 147 .mode = IMX_NOC_MODE_FIXED, 148 .prio_level = 7, 149 }, 150 [IMX8MP_ICM_VPU_G1] = { 151 .reg = 0xd80, 152 .mode = IMX_NOC_MODE_FIXED, 153 .prio_level = 3, 154 }, 155 [IMX8MP_ICM_VPU_G2] = { 156 .reg = 0xe00, 157 .mode = IMX_NOC_MODE_FIXED, 158 .prio_level = 3, 159 }, 160 [IMX8MP_ICM_VPU_H1] = { 161 .reg = 0xe80, 162 .mode = IMX_NOC_MODE_FIXED, 163 .prio_level = 3, 164 }, 165 [IMX8MP_ICN_MEDIA] = { 166 .mode = IMX_NOC_MODE_UNCONFIGURED, 167 }, 168 [IMX8MP_ICN_VIDEO] = { 169 .mode = IMX_NOC_MODE_UNCONFIGURED, 170 }, 171 [IMX8MP_ICN_AUDIO] = { 172 .mode = IMX_NOC_MODE_UNCONFIGURED, 173 }, 174 [IMX8MP_ICN_HDMI] = { 175 .mode = IMX_NOC_MODE_UNCONFIGURED, 176 }, 177 [IMX8MP_ICN_GPU] = { 178 .mode = IMX_NOC_MODE_UNCONFIGURED, 179 }, 180 [IMX8MP_ICN_HSIO] = { 181 .mode = IMX_NOC_MODE_UNCONFIGURED, 182 }, 183 }; 184 185 /* Describe bus masters, slaves and connections between them */ 186 static struct imx_icc_node_desc nodes[] = { 187 DEFINE_BUS_INTERCONNECT("NOC", IMX8MP_ICN_NOC, &imx8mp_noc_adj, 188 IMX8MP_ICS_DRAM, IMX8MP_ICN_MAIN), 189 190 DEFINE_BUS_SLAVE("OCRAM", IMX8MP_ICS_OCRAM, NULL), 191 DEFINE_BUS_SLAVE("DRAM", IMX8MP_ICS_DRAM, NULL), 192 DEFINE_BUS_MASTER("A53", IMX8MP_ICM_A53, IMX8MP_ICN_NOC), 193 DEFINE_BUS_MASTER("SUPERMIX", IMX8MP_ICM_SUPERMIX, IMX8MP_ICN_NOC), 194 DEFINE_BUS_MASTER("GIC", IMX8MP_ICM_GIC, IMX8MP_ICN_NOC), 195 DEFINE_BUS_MASTER("MLMIX", IMX8MP_ICM_MLMIX, IMX8MP_ICN_NOC), 196 197 DEFINE_BUS_INTERCONNECT("NOC_AUDIO", IMX8MP_ICN_AUDIO, NULL, IMX8MP_ICN_NOC), 198 DEFINE_BUS_MASTER("DSP", IMX8MP_ICM_DSP, IMX8MP_ICN_AUDIO), 199 DEFINE_BUS_MASTER("SDMA2PER", IMX8MP_ICM_SDMA2PER, IMX8MP_ICN_AUDIO), 200 DEFINE_BUS_MASTER("SDMA2BURST", IMX8MP_ICM_SDMA2BURST, IMX8MP_ICN_AUDIO), 201 DEFINE_BUS_MASTER("SDMA3PER", IMX8MP_ICM_SDMA3PER, IMX8MP_ICN_AUDIO), 202 DEFINE_BUS_MASTER("SDMA3BURST", IMX8MP_ICM_SDMA3BURST, IMX8MP_ICN_AUDIO), 203 DEFINE_BUS_MASTER("EDMA", IMX8MP_ICM_EDMA, IMX8MP_ICN_AUDIO), 204 205 DEFINE_BUS_INTERCONNECT("NOC_GPU", IMX8MP_ICN_GPU, NULL, IMX8MP_ICN_NOC), 206 DEFINE_BUS_MASTER("GPU 2D", IMX8MP_ICM_GPU2D, IMX8MP_ICN_GPU), 207 DEFINE_BUS_MASTER("GPU 3D", IMX8MP_ICM_GPU3D, IMX8MP_ICN_GPU), 208 209 DEFINE_BUS_INTERCONNECT("NOC_HDMI", IMX8MP_ICN_HDMI, NULL, IMX8MP_ICN_NOC), 210 DEFINE_BUS_MASTER("HRV", IMX8MP_ICM_HRV, IMX8MP_ICN_HDMI), 211 DEFINE_BUS_MASTER("LCDIF_HDMI", IMX8MP_ICM_LCDIF_HDMI, IMX8MP_ICN_HDMI), 212 DEFINE_BUS_MASTER("HDCP", IMX8MP_ICM_HDCP, IMX8MP_ICN_HDMI), 213 214 DEFINE_BUS_INTERCONNECT("NOC_HSIO", IMX8MP_ICN_HSIO, NULL, IMX8MP_ICN_NOC), 215 DEFINE_BUS_MASTER("NOC_PCIE", IMX8MP_ICM_NOC_PCIE, IMX8MP_ICN_HSIO), 216 DEFINE_BUS_MASTER("USB1", IMX8MP_ICM_USB1, IMX8MP_ICN_HSIO), 217 DEFINE_BUS_MASTER("USB2", IMX8MP_ICM_USB2, IMX8MP_ICN_HSIO), 218 DEFINE_BUS_MASTER("PCIE", IMX8MP_ICM_PCIE, IMX8MP_ICN_HSIO), 219 220 DEFINE_BUS_INTERCONNECT("NOC_MEDIA", IMX8MP_ICN_MEDIA, NULL, IMX8MP_ICN_NOC), 221 DEFINE_BUS_MASTER("LCDIF_RD", IMX8MP_ICM_LCDIF_RD, IMX8MP_ICN_MEDIA), 222 DEFINE_BUS_MASTER("LCDIF_WR", IMX8MP_ICM_LCDIF_WR, IMX8MP_ICN_MEDIA), 223 DEFINE_BUS_MASTER("ISI0", IMX8MP_ICM_ISI0, IMX8MP_ICN_MEDIA), 224 DEFINE_BUS_MASTER("ISI1", IMX8MP_ICM_ISI1, IMX8MP_ICN_MEDIA), 225 DEFINE_BUS_MASTER("ISI2", IMX8MP_ICM_ISI2, IMX8MP_ICN_MEDIA), 226 DEFINE_BUS_MASTER("ISP0", IMX8MP_ICM_ISP0, IMX8MP_ICN_MEDIA), 227 DEFINE_BUS_MASTER("ISP1", IMX8MP_ICM_ISP1, IMX8MP_ICN_MEDIA), 228 DEFINE_BUS_MASTER("DWE", IMX8MP_ICM_DWE, IMX8MP_ICN_MEDIA), 229 230 DEFINE_BUS_INTERCONNECT("NOC_VIDEO", IMX8MP_ICN_VIDEO, NULL, IMX8MP_ICN_NOC), 231 DEFINE_BUS_MASTER("VPU G1", IMX8MP_ICM_VPU_G1, IMX8MP_ICN_VIDEO), 232 DEFINE_BUS_MASTER("VPU G2", IMX8MP_ICM_VPU_G2, IMX8MP_ICN_VIDEO), 233 DEFINE_BUS_MASTER("VPU H1", IMX8MP_ICM_VPU_H1, IMX8MP_ICN_VIDEO), 234 DEFINE_BUS_INTERCONNECT("PL301_MAIN", IMX8MP_ICN_MAIN, NULL, 235 IMX8MP_ICN_NOC, IMX8MP_ICS_OCRAM), 236 }; 237 238 static int imx8mp_icc_probe(struct platform_device *pdev) 239 { 240 return imx_icc_register(pdev, nodes, ARRAY_SIZE(nodes), noc_setting_nodes); 241 } 242 243 static int imx8mp_icc_remove(struct platform_device *pdev) 244 { 245 imx_icc_unregister(pdev); 246 247 return 0; 248 } 249 250 static struct platform_driver imx8mp_icc_driver = { 251 .probe = imx8mp_icc_probe, 252 .remove = imx8mp_icc_remove, 253 .driver = { 254 .name = "imx8mp-interconnect", 255 }, 256 }; 257 258 module_platform_driver(imx8mp_icc_driver); 259 MODULE_AUTHOR("Peng Fan <peng.fan@nxp.com>"); 260 MODULE_LICENSE("GPL"); 261 MODULE_ALIAS("platform:imx8mp-interconnect"); 262