1 /* 2 * Copyright (c) 2017 Google, Inc 3 * Written by Simon Glass <sjg@chromium.org> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <dm.h> 10 #include <dm/of_access.h> 11 12 int dev_read_u32_default(struct udevice *dev, const char *propname, int def) 13 { 14 return ofnode_read_u32_default(dev_ofnode(dev), propname, def); 15 } 16 17 const char *dev_read_string(struct udevice *dev, const char *propname) 18 { 19 return ofnode_read_string(dev_ofnode(dev), propname); 20 } 21 22 bool dev_read_bool(struct udevice *dev, const char *propname) 23 { 24 return ofnode_read_bool(dev_ofnode(dev), propname); 25 } 26 27 ofnode dev_read_subnode(struct udevice *dev, const char *subnode_name) 28 { 29 return ofnode_find_subnode(dev_ofnode(dev), subnode_name); 30 } 31 32 ofnode dev_read_first_subnode(struct udevice *dev) 33 { 34 return ofnode_first_subnode(dev_ofnode(dev)); 35 } 36 37 ofnode dev_read_next_subnode(ofnode node) 38 { 39 return ofnode_next_subnode(node); 40 } 41 42 int dev_read_size(struct udevice *dev, const char *propname) 43 { 44 return ofnode_read_size(dev_ofnode(dev), propname); 45 } 46 47 fdt_addr_t dev_read_addr_index(struct udevice *dev, int index) 48 { 49 if (ofnode_is_np(dev_ofnode(dev))) 50 return ofnode_get_addr_index(dev_ofnode(dev), index); 51 else 52 return devfdt_get_addr_index(dev, index); 53 } 54 55 fdt_addr_t dev_read_addr(struct udevice *dev) 56 { 57 return dev_read_addr_index(dev, 0); 58 } 59 60 void *dev_read_addr_ptr(struct udevice *dev) 61 { 62 fdt_addr_t addr = dev_read_addr(dev); 63 64 return (addr == FDT_ADDR_T_NONE) ? NULL : (void *)addr; 65 } 66 67 fdt_addr_t dev_read_addr_size(struct udevice *dev, const char *property, 68 fdt_size_t *sizep) 69 { 70 return ofnode_get_addr_size(dev_ofnode(dev), property, sizep); 71 } 72 73 const char *dev_read_name(struct udevice *dev) 74 { 75 return ofnode_get_name(dev_ofnode(dev)); 76 } 77 78 int dev_read_stringlist_search(struct udevice *dev, const char *property, 79 const char *string) 80 { 81 return ofnode_stringlist_search(dev_ofnode(dev), property, string); 82 } 83 84 int dev_read_phandle_with_args(struct udevice *dev, const char *list_name, 85 const char *cells_name, int cell_count, 86 int index, 87 struct ofnode_phandle_args *out_args) 88 { 89 return ofnode_parse_phandle_with_args(dev_ofnode(dev), list_name, 90 cells_name, cell_count, index, 91 out_args); 92 } 93 94 int dev_read_addr_cells(struct udevice *dev) 95 { 96 return ofnode_read_addr_cells(dev_ofnode(dev)); 97 } 98 99 int dev_read_size_cells(struct udevice *dev) 100 { 101 return ofnode_read_size_cells(dev_ofnode(dev)); 102 } 103 104 int dev_read_simple_addr_cells(struct udevice *dev) 105 { 106 return ofnode_read_simple_addr_cells(dev_ofnode(dev)); 107 } 108 109 int dev_read_simple_size_cells(struct udevice *dev) 110 { 111 return ofnode_read_simple_size_cells(dev_ofnode(dev)); 112 } 113 114 int dev_read_phandle(struct udevice *dev) 115 { 116 ofnode node = dev_ofnode(dev); 117 118 if (ofnode_is_np(node)) 119 return ofnode_to_np(node)->phandle; 120 else 121 return fdt_get_phandle(gd->fdt_blob, ofnode_to_offset(node)); 122 } 123 124 const void *dev_read_prop(struct udevice *dev, const char *propname, int *lenp) 125 { 126 return ofnode_get_property(dev_ofnode(dev), propname, lenp); 127 } 128 129 int dev_read_alias_seq(struct udevice *dev, int *devnump) 130 { 131 ofnode node = dev_ofnode(dev); 132 const char *uc_name = dev->uclass->uc_drv->name; 133 int ret; 134 135 if (ofnode_is_np(node)) { 136 ret = of_alias_get_id(ofnode_to_np(node), uc_name); 137 if (ret >= 0) 138 *devnump = ret; 139 } else { 140 ret = fdtdec_get_alias_seq(gd->fdt_blob, uc_name, 141 ofnode_to_offset(node), devnump); 142 } 143 144 return ret; 145 } 146 147 int dev_read_u32_array(struct udevice *dev, const char *propname, 148 u32 *out_values, size_t sz) 149 { 150 return ofnode_read_u32_array(dev_ofnode(dev), propname, out_values, sz); 151 } 152 153 const uint8_t *dev_read_u8_array_ptr(struct udevice *dev, const char *propname, 154 size_t sz) 155 { 156 return ofnode_read_u8_array_ptr(dev_ofnode(dev), propname, sz); 157 } 158 159 int dev_read_enabled(struct udevice *dev) 160 { 161 ofnode node = dev_ofnode(dev); 162 163 if (ofnode_is_np(node)) 164 return of_device_is_available(ofnode_to_np(node)); 165 else 166 return fdtdec_get_is_enabled(gd->fdt_blob, 167 ofnode_to_offset(node)); 168 } 169 170 int dev_read_resource(struct udevice *dev, uint index, struct resource *res) 171 { 172 return ofnode_read_resource(dev_ofnode(dev), index, res); 173 } 174 175 int dev_read_resource_byname(struct udevice *dev, const char *name, 176 struct resource *res) 177 { 178 return ofnode_read_resource_byname(dev_ofnode(dev), name, res); 179 } 180