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Diffstat (limited to 'arch/arm/mach-k3/common_fdt.c')
-rw-r--r--arch/arm/mach-k3/common_fdt.c38
1 files changed, 37 insertions, 1 deletions
diff --git a/arch/arm/mach-k3/common_fdt.c b/arch/arm/mach-k3/common_fdt.c
index 867ed173142..2777354c6ab 100644
--- a/arch/arm/mach-k3/common_fdt.c
+++ b/arch/arm/mach-k3/common_fdt.c
@@ -3,11 +3,11 @@
* Copyright 2023 Toradex - https://www.toradex.com/
*/
+#include <asm/arch/k3-common-fdt.h>
#include "common.h"
#include <dm.h>
#include <fdt_support.h>
#include <linux/soc/ti/ti_sci_protocol.h>
-#include "common_fdt.h"
static int fdt_fixup_msmc_ram(void *blob, char *parent_path, char *node_name)
{
@@ -164,3 +164,39 @@ add_carveout:
return 0;
}
+
+static int fdt_fixup_critical_trips(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;
+}
+
+void fdt_fixup_thermal_critical_trips_k3(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_critical_trips(blob, zone, maxc) < 0)
+ printf("Failed to set temperature in %s critical trips\n",
+ fdt_get_name(blob, zone, NULL));
+ }
+}