drivers/interconnect/qcom/qcs404.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (C) 2019 Linaro Ltd
   4  */
   5
   6 #include <dt-bindings/interconnect/qcom,qcs404.h>
   7 #include <linux/clk.h>
   8 #include <linux/device.h>
   9 #include <linux/interconnect-provider.h>
  10 #include <linux/io.h>
  11 #include <linux/module.h>
  12 #include <linux/of_device.h>
  13 #include <linux/of_platform.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/slab.h>
  16
  17 #include "smd-rpm.h"
  18
  19 #define RPM_BUS_MASTER_REQ      0x73616d62
  20 #define RPM_BUS_SLAVE_REQ       0x766c7362
  21
  22 enum {
  23         QCS404_MASTER_AMPSS_M0 = 1,
  24         QCS404_MASTER_GRAPHICS_3D,
  25         QCS404_MASTER_MDP_PORT0,
  26         QCS404_SNOC_BIMC_1_MAS,
  27         QCS404_MASTER_TCU_0,
  28         QCS404_MASTER_SPDM,
  29         QCS404_MASTER_BLSP_1,
  30         QCS404_MASTER_BLSP_2,
  31         QCS404_MASTER_XM_USB_HS1,
  32         QCS404_MASTER_CRYPTO_CORE0,
  33         QCS404_MASTER_SDCC_1,
  34         QCS404_MASTER_SDCC_2,
  35         QCS404_SNOC_PNOC_MAS,
  36         QCS404_MASTER_QPIC,
  37         QCS404_MASTER_QDSS_BAM,
  38         QCS404_BIMC_SNOC_MAS,
  39         QCS404_PNOC_SNOC_MAS,
  40         QCS404_MASTER_QDSS_ETR,
  41         QCS404_MASTER_EMAC,
  42         QCS404_MASTER_PCIE,
  43         QCS404_MASTER_USB3,
  44         QCS404_PNOC_INT_0,
  45         QCS404_PNOC_INT_2,
  46         QCS404_PNOC_INT_3,
  47         QCS404_PNOC_SLV_0,
  48         QCS404_PNOC_SLV_1,
  49         QCS404_PNOC_SLV_2,
  50         QCS404_PNOC_SLV_3,
  51         QCS404_PNOC_SLV_4,
  52         QCS404_PNOC_SLV_6,
  53         QCS404_PNOC_SLV_7,
  54         QCS404_PNOC_SLV_8,
  55         QCS404_PNOC_SLV_9,
  56         QCS404_PNOC_SLV_10,
  57         QCS404_PNOC_SLV_11,
  58         QCS404_SNOC_QDSS_INT,
  59         QCS404_SNOC_INT_0,
  60         QCS404_SNOC_INT_1,
  61         QCS404_SNOC_INT_2,
  62         QCS404_SLAVE_EBI_CH0,
  63         QCS404_BIMC_SNOC_SLV,
  64         QCS404_SLAVE_SPDM_WRAPPER,
  65         QCS404_SLAVE_PDM,
  66         QCS404_SLAVE_PRNG,
  67         QCS404_SLAVE_TCSR,
  68         QCS404_SLAVE_SNOC_CFG,
  69         QCS404_SLAVE_MESSAGE_RAM,
  70         QCS404_SLAVE_DISPLAY_CFG,
  71         QCS404_SLAVE_GRAPHICS_3D_CFG,
  72         QCS404_SLAVE_BLSP_1,
  73         QCS404_SLAVE_TLMM_NORTH,
  74         QCS404_SLAVE_PCIE_1,
  75         QCS404_SLAVE_EMAC_CFG,
  76         QCS404_SLAVE_BLSP_2,
  77         QCS404_SLAVE_TLMM_EAST,
  78         QCS404_SLAVE_TCU,
  79         QCS404_SLAVE_PMIC_ARB,
  80         QCS404_SLAVE_SDCC_1,
  81         QCS404_SLAVE_SDCC_2,
  82         QCS404_SLAVE_TLMM_SOUTH,
  83         QCS404_SLAVE_USB_HS,
  84         QCS404_SLAVE_USB3,
  85         QCS404_SLAVE_CRYPTO_0_CFG,
  86         QCS404_PNOC_SNOC_SLV,
  87         QCS404_SLAVE_APPSS,
  88         QCS404_SLAVE_WCSS,
  89         QCS404_SNOC_BIMC_1_SLV,
  90         QCS404_SLAVE_OCIMEM,
  91         QCS404_SNOC_PNOC_SLV,
  92         QCS404_SLAVE_QDSS_STM,
  93         QCS404_SLAVE_CATS_128,
  94         QCS404_SLAVE_OCMEM_64,
  95         QCS404_SLAVE_LPASS,
  96 };
  97
  98 #define to_qcom_provider(_provider) \
  99         container_of(_provider, struct qcom_icc_provider, provider)
 100
 101 static const struct clk_bulk_data bus_clocks[] = {
 102         { .id = "bus" },
 103         { .id = "bus_a" },
 104 };
 105
 106 /**
 107  * struct qcom_icc_provider - Qualcomm specific interconnect provider
 108  * @provider: generic interconnect provider
 109  * @bus_clks: the clk_bulk_data table of bus clocks
 110  * @num_clks: the total number of clk_bulk_data entries
 111  */
 112 struct qcom_icc_provider {
 113         struct icc_provider provider;
 114         struct clk_bulk_data *bus_clks;
 115         int num_clks;
 116 };
 117
 118 #define QCS404_MAX_LINKS        12
 119
 120 /**
 121  * struct qcom_icc_node - Qualcomm specific interconnect nodes
 122  * @name: the node name used in debugfs
 123  * @id: a unique node identifier
 124  * @links: an array of nodes where we can go next while traversing
 125  * @num_links: the total number of @links
 126  * @buswidth: width of the interconnect between a node and the bus (bytes)
 127  * @mas_rpm_id: RPM id for devices that are bus masters
 128  * @slv_rpm_id: RPM id for devices that are bus slaves
 129  * @rate: current bus clock rate in Hz
 130  */
 131 struct qcom_icc_node {
 132         unsigned char *name;
 133         u16 id;
 134         u16 links[QCS404_MAX_LINKS];
 135         u16 num_links;
 136         u16 buswidth;
 137         int mas_rpm_id;
 138         int slv_rpm_id;
 139         u64 rate;
 140 };
 141
 142 struct qcom_icc_desc {
 143         struct qcom_icc_node **nodes;
 144         size_t num_nodes;
 145 };
 146
 147 #define DEFINE_QNODE(_name, _id, _buswidth, _mas_rpm_id, _slv_rpm_id,   \
 148                      ...)                                               \
 149                 static struct qcom_icc_node _name = {                   \
 150                 .name = #_name,                                         \
 151                 .id = _id,                                              \
 152                 .buswidth = _buswidth,                                  \
 153                 .mas_rpm_id = _mas_rpm_id,                              \
 154                 .slv_rpm_id = _slv_rpm_id,                              \
 155                 .num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })),      \
 156                 .links = { __VA_ARGS__ },                               \
 157         }
 158
 159 DEFINE_QNODE(mas_apps_proc, QCS404_MASTER_AMPSS_M0, 8, 0, -1, QCS404_SLAVE_EBI_CH0, QCS404_BIMC_SNOC_SLV);
 160 DEFINE_QNODE(mas_oxili, QCS404_MASTER_GRAPHICS_3D, 8, 6, -1, QCS404_SLAVE_EBI_CH0, QCS404_BIMC_SNOC_SLV);
 161 DEFINE_QNODE(mas_mdp, QCS404_MASTER_MDP_PORT0, 8, 8, -1, QCS404_SLAVE_EBI_CH0, QCS404_BIMC_SNOC_SLV);
 162 DEFINE_QNODE(mas_snoc_bimc_1, QCS404_SNOC_BIMC_1_MAS, 8, 76, -1, QCS404_SLAVE_EBI_CH0);
 163 DEFINE_QNODE(mas_tcu_0, QCS404_MASTER_TCU_0, 8, -1, -1, QCS404_SLAVE_EBI_CH0, QCS404_BIMC_SNOC_SLV);
 164 DEFINE_QNODE(mas_spdm, QCS404_MASTER_SPDM, 4, -1, -1, QCS404_PNOC_INT_3);
 165 DEFINE_QNODE(mas_blsp_1, QCS404_MASTER_BLSP_1, 4, 41, -1, QCS404_PNOC_INT_3);
 166 DEFINE_QNODE(mas_blsp_2, QCS404_MASTER_BLSP_2, 4, 39, -1, QCS404_PNOC_INT_3);
 167 DEFINE_QNODE(mas_xi_usb_hs1, QCS404_MASTER_XM_USB_HS1, 8, 138, -1, QCS404_PNOC_INT_0);
 168 DEFINE_QNODE(mas_crypto, QCS404_MASTER_CRYPTO_CORE0, 8, 23, -1, QCS404_PNOC_SNOC_SLV, QCS404_PNOC_INT_2);
 169 DEFINE_QNODE(mas_sdcc_1, QCS404_MASTER_SDCC_1, 8, 33, -1, QCS404_PNOC_INT_0);
 170 DEFINE_QNODE(mas_sdcc_2, QCS404_MASTER_SDCC_2, 8, 35, -1, QCS404_PNOC_INT_0);
 171 DEFINE_QNODE(mas_snoc_pcnoc, QCS404_SNOC_PNOC_MAS, 8, 77, -1, QCS404_PNOC_INT_2);
 172 DEFINE_QNODE(mas_qpic, QCS404_MASTER_QPIC, 4, -1, -1, QCS404_PNOC_INT_0);
 173 DEFINE_QNODE(mas_qdss_bam, QCS404_MASTER_QDSS_BAM, 4, -1, -1, QCS404_SNOC_QDSS_INT);
 174 DEFINE_QNODE(mas_bimc_snoc, QCS404_BIMC_SNOC_MAS, 8, 21, -1, QCS404_SLAVE_OCMEM_64, QCS404_SLAVE_CATS_128, QCS404_SNOC_INT_0, QCS404_SNOC_INT_1);
 175 DEFINE_QNODE(mas_pcnoc_snoc, QCS404_PNOC_SNOC_MAS, 8, 29, -1, QCS404_SNOC_BIMC_1_SLV, QCS404_SNOC_INT_2, QCS404_SNOC_INT_0);
 176 DEFINE_QNODE(mas_qdss_etr, QCS404_MASTER_QDSS_ETR, 8, -1, -1, QCS404_SNOC_QDSS_INT);
 177 DEFINE_QNODE(mas_emac, QCS404_MASTER_EMAC, 8, -1, -1, QCS404_SNOC_BIMC_1_SLV, QCS404_SNOC_INT_1);
 178 DEFINE_QNODE(mas_pcie, QCS404_MASTER_PCIE, 8, -1, -1, QCS404_SNOC_BIMC_1_SLV, QCS404_SNOC_INT_1);
 179 DEFINE_QNODE(mas_usb3, QCS404_MASTER_USB3, 8, -1, -1, QCS404_SNOC_BIMC_1_SLV, QCS404_SNOC_INT_1);
 180 DEFINE_QNODE(pcnoc_int_0, QCS404_PNOC_INT_0, 8, 85, 114, QCS404_PNOC_SNOC_SLV, QCS404_PNOC_INT_2);
 181 DEFINE_QNODE(pcnoc_int_2, QCS404_PNOC_INT_2, 8, 124, 184, QCS404_PNOC_SLV_10, QCS404_SLAVE_TCU, QCS404_PNOC_SLV_11, QCS404_PNOC_SLV_2, QCS404_PNOC_SLV_3, QCS404_PNOC_SLV_0, QCS404_PNOC_SLV_1, QCS404_PNOC_SLV_6, QCS404_PNOC_SLV_7, QCS404_PNOC_SLV_4, QCS404_PNOC_SLV_8, QCS404_PNOC_SLV_9);
 182 DEFINE_QNODE(pcnoc_int_3, QCS404_PNOC_INT_3, 8, 125, 185, QCS404_PNOC_SNOC_SLV);
 183 DEFINE_QNODE(pcnoc_s_0, QCS404_PNOC_SLV_0, 4, 89, 118, QCS404_SLAVE_PRNG, QCS404_SLAVE_SPDM_WRAPPER, QCS404_SLAVE_PDM);
 184 DEFINE_QNODE(pcnoc_s_1, QCS404_PNOC_SLV_1, 4, 90, 119, QCS404_SLAVE_TCSR);
 185 DEFINE_QNODE(pcnoc_s_2, QCS404_PNOC_SLV_2, 4, -1, -1, QCS404_SLAVE_GRAPHICS_3D_CFG);
 186 DEFINE_QNODE(pcnoc_s_3, QCS404_PNOC_SLV_3, 4, 92, 121, QCS404_SLAVE_MESSAGE_RAM);
 187 DEFINE_QNODE(pcnoc_s_4, QCS404_PNOC_SLV_4, 4, 93, 122, QCS404_SLAVE_SNOC_CFG);
 188 DEFINE_QNODE(pcnoc_s_6, QCS404_PNOC_SLV_6, 4, 94, 123, QCS404_SLAVE_BLSP_1, QCS404_SLAVE_TLMM_NORTH, QCS404_SLAVE_EMAC_CFG);
 189 DEFINE_QNODE(pcnoc_s_7, QCS404_PNOC_SLV_7, 4, 95, 124, QCS404_SLAVE_TLMM_SOUTH, QCS404_SLAVE_DISPLAY_CFG, QCS404_SLAVE_SDCC_1, QCS404_SLAVE_PCIE_1, QCS404_SLAVE_SDCC_2);
 190 DEFINE_QNODE(pcnoc_s_8, QCS404_PNOC_SLV_8, 4, 96, 125, QCS404_SLAVE_CRYPTO_0_CFG);
 191 DEFINE_QNODE(pcnoc_s_9, QCS404_PNOC_SLV_9, 4, 97, 126, QCS404_SLAVE_BLSP_2, QCS404_SLAVE_TLMM_EAST, QCS404_SLAVE_PMIC_ARB);
 192 DEFINE_QNODE(pcnoc_s_10, QCS404_PNOC_SLV_10, 4, 157, -1, QCS404_SLAVE_USB_HS);
 193 DEFINE_QNODE(pcnoc_s_11, QCS404_PNOC_SLV_11, 4, 158, 246, QCS404_SLAVE_USB3);
 194 DEFINE_QNODE(qdss_int, QCS404_SNOC_QDSS_INT, 8, -1, -1, QCS404_SNOC_BIMC_1_SLV, QCS404_SNOC_INT_1);
 195 DEFINE_QNODE(snoc_int_0, QCS404_SNOC_INT_0, 8, 99, 130, QCS404_SLAVE_LPASS, QCS404_SLAVE_APPSS, QCS404_SLAVE_WCSS);
 196 DEFINE_QNODE(snoc_int_1, QCS404_SNOC_INT_1, 8, 100, 131, QCS404_SNOC_PNOC_SLV, QCS404_SNOC_INT_2);
 197 DEFINE_QNODE(snoc_int_2, QCS404_SNOC_INT_2, 8, 134, 197, QCS404_SLAVE_QDSS_STM, QCS404_SLAVE_OCIMEM);
 198 DEFINE_QNODE(slv_ebi, QCS404_SLAVE_EBI_CH0, 8, -1, 0, 0);
 199 DEFINE_QNODE(slv_bimc_snoc, QCS404_BIMC_SNOC_SLV, 8, -1, 2, QCS404_BIMC_SNOC_MAS);
 200 DEFINE_QNODE(slv_spdm, QCS404_SLAVE_SPDM_WRAPPER, 4, -1, -1, 0);
 201 DEFINE_QNODE(slv_pdm, QCS404_SLAVE_PDM, 4, -1, 41, 0);
 202 DEFINE_QNODE(slv_prng, QCS404_SLAVE_PRNG, 4, -1, 44, 0);
 203 DEFINE_QNODE(slv_tcsr, QCS404_SLAVE_TCSR, 4, -1, 50, 0);
 204 DEFINE_QNODE(slv_snoc_cfg, QCS404_SLAVE_SNOC_CFG, 4, -1, 70, 0);
 205 DEFINE_QNODE(slv_message_ram, QCS404_SLAVE_MESSAGE_RAM, 4, -1, 55, 0);
 206 DEFINE_QNODE(slv_disp_ss_cfg, QCS404_SLAVE_DISPLAY_CFG, 4, -1, -1, 0);
 207 DEFINE_QNODE(slv_gpu_cfg, QCS404_SLAVE_GRAPHICS_3D_CFG, 4, -1, -1, 0);
 208 DEFINE_QNODE(slv_blsp_1, QCS404_SLAVE_BLSP_1, 4, -1, 39, 0);
 209 DEFINE_QNODE(slv_tlmm_north, QCS404_SLAVE_TLMM_NORTH, 4, -1, 214, 0);
 210 DEFINE_QNODE(slv_pcie, QCS404_SLAVE_PCIE_1, 4, -1, -1, 0);
 211 DEFINE_QNODE(slv_ethernet, QCS404_SLAVE_EMAC_CFG, 4, -1, -1, 0);
 212 DEFINE_QNODE(slv_blsp_2, QCS404_SLAVE_BLSP_2, 4, -1, 37, 0);
 213 DEFINE_QNODE(slv_tlmm_east, QCS404_SLAVE_TLMM_EAST, 4, -1, 213, 0);
 214 DEFINE_QNODE(slv_tcu, QCS404_SLAVE_TCU, 8, -1, -1, 0);
 215 DEFINE_QNODE(slv_pmic_arb, QCS404_SLAVE_PMIC_ARB, 4, -1, 59, 0);
 216 DEFINE_QNODE(slv_sdcc_1, QCS404_SLAVE_SDCC_1, 4, -1, 31, 0);
 217 DEFINE_QNODE(slv_sdcc_2, QCS404_SLAVE_SDCC_2, 4, -1, 33, 0);
 218 DEFINE_QNODE(slv_tlmm_south, QCS404_SLAVE_TLMM_SOUTH, 4, -1, -1, 0);
 219 DEFINE_QNODE(slv_usb_hs, QCS404_SLAVE_USB_HS, 4, -1, 40, 0);
 220 DEFINE_QNODE(slv_usb3, QCS404_SLAVE_USB3, 4, -1, 22, 0);
 221 DEFINE_QNODE(slv_crypto_0_cfg, QCS404_SLAVE_CRYPTO_0_CFG, 4, -1, 52, 0);
 222 DEFINE_QNODE(slv_pcnoc_snoc, QCS404_PNOC_SNOC_SLV, 8, -1, 45, QCS404_PNOC_SNOC_MAS);
 223 DEFINE_QNODE(slv_kpss_ahb, QCS404_SLAVE_APPSS, 4, -1, -1, 0);
 224 DEFINE_QNODE(slv_wcss, QCS404_SLAVE_WCSS, 4, -1, 23, 0);
 225 DEFINE_QNODE(slv_snoc_bimc_1, QCS404_SNOC_BIMC_1_SLV, 8, -1, 104, QCS404_SNOC_BIMC_1_MAS);
 226 DEFINE_QNODE(slv_imem, QCS404_SLAVE_OCIMEM, 8, -1, 26, 0);
 227 DEFINE_QNODE(slv_snoc_pcnoc, QCS404_SNOC_PNOC_SLV, 8, -1, 28, QCS404_SNOC_PNOC_MAS);
 228 DEFINE_QNODE(slv_qdss_stm, QCS404_SLAVE_QDSS_STM, 4, -1, 30, 0);
 229 DEFINE_QNODE(slv_cats_0, QCS404_SLAVE_CATS_128, 16, -1, -1, 0);
 230 DEFINE_QNODE(slv_cats_1, QCS404_SLAVE_OCMEM_64, 8, -1, -1, 0);
 231 DEFINE_QNODE(slv_lpass, QCS404_SLAVE_LPASS, 4, -1, -1, 0);
 232
 233 static struct qcom_icc_node *qcs404_bimc_nodes[] = {
 234         [MASTER_AMPSS_M0] = &mas_apps_proc,
 235         [MASTER_OXILI] = &mas_oxili,
 236         [MASTER_MDP_PORT0] = &mas_mdp,
 237         [MASTER_SNOC_BIMC_1] = &mas_snoc_bimc_1,
 238         [MASTER_TCU_0] = &mas_tcu_0,
 239         [SLAVE_EBI_CH0] = &slv_ebi,
 240         [SLAVE_BIMC_SNOC] = &slv_bimc_snoc,
 241 };
 242
 243 static struct qcom_icc_desc qcs404_bimc = {
 244         .nodes = qcs404_bimc_nodes,
 245         .num_nodes = ARRAY_SIZE(qcs404_bimc_nodes),
 246 };
 247
 248 static struct qcom_icc_node *qcs404_pcnoc_nodes[] = {
 249         [MASTER_SPDM] = &mas_spdm,
 250         [MASTER_BLSP_1] = &mas_blsp_1,
 251         [MASTER_BLSP_2] = &mas_blsp_2,
 252         [MASTER_XI_USB_HS1] = &mas_xi_usb_hs1,
 253         [MASTER_CRYPT0] = &mas_crypto,
 254         [MASTER_SDCC_1] = &mas_sdcc_1,
 255         [MASTER_SDCC_2] = &mas_sdcc_2,
 256         [MASTER_SNOC_PCNOC] = &mas_snoc_pcnoc,
 257         [MASTER_QPIC] = &mas_qpic,
 258         [PCNOC_INT_0] = &pcnoc_int_0,
 259         [PCNOC_INT_2] = &pcnoc_int_2,
 260         [PCNOC_INT_3] = &pcnoc_int_3,
 261         [PCNOC_S_0] = &pcnoc_s_0,
 262         [PCNOC_S_1] = &pcnoc_s_1,
 263         [PCNOC_S_2] = &pcnoc_s_2,
 264         [PCNOC_S_3] = &pcnoc_s_3,
 265         [PCNOC_S_4] = &pcnoc_s_4,
 266         [PCNOC_S_6] = &pcnoc_s_6,
 267         [PCNOC_S_7] = &pcnoc_s_7,
 268         [PCNOC_S_8] = &pcnoc_s_8,
 269         [PCNOC_S_9] = &pcnoc_s_9,
 270         [PCNOC_S_10] = &pcnoc_s_10,
 271         [PCNOC_S_11] = &pcnoc_s_11,
 272         [SLAVE_SPDM] = &slv_spdm,
 273         [SLAVE_PDM] = &slv_pdm,
 274         [SLAVE_PRNG] = &slv_prng,
 275         [SLAVE_TCSR] = &slv_tcsr,
 276         [SLAVE_SNOC_CFG] = &slv_snoc_cfg,
 277         [SLAVE_MESSAGE_RAM] = &slv_message_ram,
 278         [SLAVE_DISP_SS_CFG] = &slv_disp_ss_cfg,
 279         [SLAVE_GPU_CFG] = &slv_gpu_cfg,
 280         [SLAVE_BLSP_1] = &slv_blsp_1,
 281         [SLAVE_BLSP_2] = &slv_blsp_2,
 282         [SLAVE_TLMM_NORTH] = &slv_tlmm_north,
 283         [SLAVE_PCIE] = &slv_pcie,
 284         [SLAVE_ETHERNET] = &slv_ethernet,
 285         [SLAVE_TLMM_EAST] = &slv_tlmm_east,
 286         [SLAVE_TCU] = &slv_tcu,
 287         [SLAVE_PMIC_ARB] = &slv_pmic_arb,
 288         [SLAVE_SDCC_1] = &slv_sdcc_1,
 289         [SLAVE_SDCC_2] = &slv_sdcc_2,
 290         [SLAVE_TLMM_SOUTH] = &slv_tlmm_south,
 291         [SLAVE_USB_HS] = &slv_usb_hs,
 292         [SLAVE_USB3] = &slv_usb3,
 293         [SLAVE_CRYPTO_0_CFG] = &slv_crypto_0_cfg,
 294         [SLAVE_PCNOC_SNOC] = &slv_pcnoc_snoc,
 295 };
 296
 297 static struct qcom_icc_desc qcs404_pcnoc = {
 298         .nodes = qcs404_pcnoc_nodes,
 299         .num_nodes = ARRAY_SIZE(qcs404_pcnoc_nodes),
 300 };
 301
 302 static struct qcom_icc_node *qcs404_snoc_nodes[] = {
 303         [MASTER_QDSS_BAM] = &mas_qdss_bam,
 304         [MASTER_BIMC_SNOC] = &mas_bimc_snoc,
 305         [MASTER_PCNOC_SNOC] = &mas_pcnoc_snoc,
 306         [MASTER_QDSS_ETR] = &mas_qdss_etr,
 307         [MASTER_EMAC] = &mas_emac,
 308         [MASTER_PCIE] = &mas_pcie,
 309         [MASTER_USB3] = &mas_usb3,
 310         [QDSS_INT] = &qdss_int,
 311         [SNOC_INT_0] = &snoc_int_0,
 312         [SNOC_INT_1] = &snoc_int_1,
 313         [SNOC_INT_2] = &snoc_int_2,
 314         [SLAVE_KPSS_AHB] = &slv_kpss_ahb,
 315         [SLAVE_WCSS] = &slv_wcss,
 316         [SLAVE_SNOC_BIMC_1] = &slv_snoc_bimc_1,
 317         [SLAVE_IMEM] = &slv_imem,
 318         [SLAVE_SNOC_PCNOC] = &slv_snoc_pcnoc,
 319         [SLAVE_QDSS_STM] = &slv_qdss_stm,
 320         [SLAVE_CATS_0] = &slv_cats_0,
 321         [SLAVE_CATS_1] = &slv_cats_1,
 322         [SLAVE_LPASS] = &slv_lpass,
 323 };
 324
 325 static struct qcom_icc_desc qcs404_snoc = {
 326         .nodes = qcs404_snoc_nodes,
 327         .num_nodes = ARRAY_SIZE(qcs404_snoc_nodes),
 328 };
 329
 330 static int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
 331 {
 332         struct qcom_icc_provider *qp;
 333         struct qcom_icc_node *qn;
 334         struct icc_provider *provider;
 335         struct icc_node *n;
 336         u64 sum_bw;
 337         u64 max_peak_bw;
 338         u64 rate;
 339         u32 agg_avg = 0;
 340         u32 agg_peak = 0;
 341         int ret, i;
 342
 343         qn = src->data;
 344         provider = src->provider;
 345         qp = to_qcom_provider(provider);
 346
 347         list_for_each_entry(n, &provider->nodes, node_list)
 348                 provider->aggregate(n, 0, n->avg_bw, n->peak_bw,
 349                                     &agg_avg, &agg_peak);
 350
 351         sum_bw = icc_units_to_bps(agg_avg);
 352         max_peak_bw = icc_units_to_bps(agg_peak);
 353
 354         /* send bandwidth request message to the RPM processor */
 355         if (qn->mas_rpm_id != -1) {
 356                 ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE,
 357                                             RPM_BUS_MASTER_REQ,
 358                                             qn->mas_rpm_id,
 359                                             sum_bw);
 360                 if (ret) {
 361                         pr_err("qcom_icc_rpm_smd_send mas %d error %d\n",
 362                                qn->mas_rpm_id, ret);
 363                         return ret;
 364                 }
 365         }
 366
 367         if (qn->slv_rpm_id != -1) {
 368                 ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE,
 369                                             RPM_BUS_SLAVE_REQ,
 370                                             qn->slv_rpm_id,
 371                                             sum_bw);
 372                 if (ret) {
 373                         pr_err("qcom_icc_rpm_smd_send slv error %d\n",
 374                                ret);
 375                         return ret;
 376                 }
 377         }
 378
 379         rate = max(sum_bw, max_peak_bw);
 380
 381         do_div(rate, qn->buswidth);
 382
 383         if (qn->rate == rate)
 384                 return 0;
 385
 386         for (i = 0; i < qp->num_clks; i++) {
 387                 ret = clk_set_rate(qp->bus_clks[i].clk, rate);
 388                 if (ret) {
 389                         pr_err("%s clk_set_rate error: %d\n",
 390                                qp->bus_clks[i].id, ret);
 391                         return ret;
 392                 }
 393         }
 394
 395         qn->rate = rate;
 396
 397         return 0;
 398 }
 399
 400 static int qnoc_probe(struct platform_device *pdev)
 401 {
 402         struct device *dev = &pdev->dev;
 403         const struct qcom_icc_desc *desc;
 404         struct icc_onecell_data *data;
 405         struct icc_provider *provider;
 406         struct qcom_icc_node **qnodes;
 407         struct qcom_icc_provider *qp;
 408         struct icc_node *node;
 409         size_t num_nodes, i;
 410         int ret;
 411
 412         /* wait for the RPM proxy */
 413         if (!qcom_icc_rpm_smd_available())
 414                 return -EPROBE_DEFER;
 415
 416         desc = of_device_get_match_data(dev);
 417         if (!desc)
 418                 return -EINVAL;
 419
 420         qnodes = desc->nodes;
 421         num_nodes = desc->num_nodes;
 422
 423         qp = devm_kzalloc(dev, sizeof(*qp), GFP_KERNEL);
 424         if (!qp)
 425                 return -ENOMEM;
 426
 427         data = devm_kzalloc(dev, struct_size(data, nodes, num_nodes),
 428                             GFP_KERNEL);
 429         if (!data)
 430                 return -ENOMEM;
 431
 432         qp->bus_clks = devm_kmemdup(dev, bus_clocks, sizeof(bus_clocks),
 433                                     GFP_KERNEL);
 434         if (!qp->bus_clks)
 435                 return -ENOMEM;
 436
 437         qp->num_clks = ARRAY_SIZE(bus_clocks);
 438         ret = devm_clk_bulk_get(dev, qp->num_clks, qp->bus_clks);
 439         if (ret)
 440                 return ret;
 441
 442         ret = clk_bulk_prepare_enable(qp->num_clks, qp->bus_clks);
 443         if (ret)
 444                 return ret;
 445
 446         provider = &qp->provider;
 447         INIT_LIST_HEAD(&provider->nodes);
 448         provider->dev = dev;
 449         provider->set = qcom_icc_set;
 450         provider->aggregate = icc_std_aggregate;
 451         provider->xlate = of_icc_xlate_onecell;
 452         provider->data = data;
 453
 454         ret = icc_provider_add(provider);
 455         if (ret) {
 456                 dev_err(dev, "error adding interconnect provider: %d\n", ret);
 457                 clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
 458                 return ret;
 459         }
 460
 461         for (i = 0; i < num_nodes; i++) {
 462                 size_t j;
 463
 464                 node = icc_node_create(qnodes[i]->id);
 465                 if (IS_ERR(node)) {
 466                         ret = PTR_ERR(node);
 467                         goto err;
 468                 }
 469
 470                 node->name = qnodes[i]->name;
 471                 node->data = qnodes[i];
 472                 icc_node_add(node, provider);
 473
 474                 dev_dbg(dev, "registered node %s\n", node->name);
 475
 476                 /* populate links */
 477                 for (j = 0; j < qnodes[i]->num_links; j++)
 478                         icc_link_create(node, qnodes[i]->links[j]);
 479
 480                 data->nodes[i] = node;
 481         }
 482         data->num_nodes = num_nodes;
 483
 484         platform_set_drvdata(pdev, qp);
 485
 486         return 0;
 487 err:
 488         icc_nodes_remove(provider);
 489         clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
 490         icc_provider_del(provider);
 491
 492         return ret;
 493 }
 494
 495 static int qnoc_remove(struct platform_device *pdev)
 496 {
 497         struct qcom_icc_provider *qp = platform_get_drvdata(pdev);
 498
 499         icc_nodes_remove(&qp->provider);
 500         clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
 501         return icc_provider_del(&qp->provider);
 502 }
 503
 504 static const struct of_device_id qcs404_noc_of_match[] = {
 505         { .compatible = "qcom,qcs404-bimc", .data = &qcs404_bimc },
 506         { .compatible = "qcom,qcs404-pcnoc", .data = &qcs404_pcnoc },
 507         { .compatible = "qcom,qcs404-snoc", .data = &qcs404_snoc },
 508         { },
 509 };
 510 MODULE_DEVICE_TABLE(of, qcs404_noc_of_match);
 511
 512 static struct platform_driver qcs404_noc_driver = {
 513         .probe = qnoc_probe,
 514         .remove = qnoc_remove,
 515         .driver = {
 516                 .name = "qnoc-qcs404",
 517                 .of_match_table = qcs404_noc_of_match,
 518         },
 519 };
 520 module_platform_driver(qcs404_noc_driver);
 521 MODULE_DESCRIPTION("Qualcomm QCS404 NoC driver");
 522 MODULE_LICENSE("GPL v2");