[PATCH 4/5] board: gateworks: venice: update thermal temp thresholds per cpu grade
Tim Harvey
tharvey at gateworks.com
Wed Aug 18 23:51:43 CEST 2021
Update the passive/critical thermal zone dt config per CPU temperature
grade.
Signed-off-by: Tim Harvey <tharvey at gateworks.com>
---
board/gateworks/venice/imx8mm_venice.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/board/gateworks/venice/imx8mm_venice.c b/board/gateworks/venice/imx8mm_venice.c
index 46f4bff925..4e05802b6f 100644
--- a/board/gateworks/venice/imx8mm_venice.c
+++ b/board/gateworks/venice/imx8mm_venice.c
@@ -156,8 +156,26 @@ int board_mmc_get_env_dev(int devno)
int ft_board_setup(void *blob, struct bd_info *bd)
{
+ int off;
+
/* set board model dt prop */
fdt_setprop_string(blob, 0, "board", gsc_get_model());
+ /* update temp thresholds */
+ off = fdt_path_offset(blob, "/thermal-zones/cpu-thermal/trips");
+ if (off >= 0) {
+ int minc, maxc, prop;
+
+ get_cpu_temp_grade(&minc, &maxc);
+ fdt_for_each_subnode(prop, blob, off) {
+ const char *type = fdt_getprop(blob, prop, "type", NULL);
+
+ if (type && (!strcmp("critical", type)))
+ fdt_setprop_u32(blob, prop, "temperature", maxc * 1000);
+ else if (type && (!strcmp("passive", type)))
+ fdt_setprop_u32(blob, prop, "temperature", (maxc - 10) * 1000);
+ }
+ }
+
return 0;
}
--
2.17.1
More information about the U-Boot
mailing list