diff options
| -rw-r--r-- | arch/arm/mach-k3/am625_fdt.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-k3/am625_fdt.c b/arch/arm/mach-k3/am625_fdt.c index 970dd3447d..3c46d1028f 100644 --- a/arch/arm/mach-k3/am625_fdt.c +++ b/arch/arm/mach-k3/am625_fdt.c @@ -38,11 +38,48 @@ static void fdt_fixup_pru_node_am625(void *blob, int has_pru) fdt_del_node_path(blob, "/bus@f0000/pruss@30040000"); } +static int fdt_fixup_trips_node(void *blob, int zoneoffset, int maxc) +{ + int node, trip; + + node = fdt_subnode_offset(blob, zoneoffset, "trips"); + if (node < 0) + return -1; + + fdt_for_each_subnode(trip, blob, node) { + const char *type = fdt_getprop(blob, trip, "type", NULL); + + if (!type || (strncmp(type, "critical", 8) != 0)) + continue; + + if (fdt_setprop_u32(blob, trip, "temperature", 1000 * maxc) < 0) + return -1; + } + + return 0; +} + +static void fdt_fixup_thermal_zone_nodes_am625(void *blob, int maxc) +{ + int node, zone; + + node = fdt_path_offset(blob, "/thermal-zones"); + if (node < 0) + return; + + fdt_for_each_subnode(zone, blob, node) { + if (fdt_fixup_trips_node(blob, zone, maxc) < 0) + printf("Failed to set temperature in %s critical trips\n", + fdt_get_name(blob, zone, NULL)); + } +} + int ft_system_setup(void *blob, struct bd_info *bd) { fdt_fixup_cores_nodes_am625(blob, k3_get_core_nr()); fdt_fixup_gpu_nodes_am625(blob, k3_has_gpu()); fdt_fixup_pru_node_am625(blob, k3_has_pru()); + fdt_fixup_thermal_zone_nodes_am625(blob, k3_get_max_temp()); return 0; } |