thermal: exynos: Support thermal tripping

TMU urgently sends active-high signal (thermal trip) to PMU, and thermal
tripping by hardware logic. Thermal tripping means that PMU cuts off the
whole power of SoC by controlling external voltage regulator.

Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Acked-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/thermal/samsung/exynos_tmu_data.h b/drivers/thermal/samsung/exynos_tmu_data.h
index 0e2244fb8bd1..4acf070c4817 100644
--- a/drivers/thermal/samsung/exynos_tmu_data.h
+++ b/drivers/thermal/samsung/exynos_tmu_data.h
@@ -91,6 +91,8 @@
 #define EXYNOS_EMUL_DATA_MASK   0xFF
 #define EXYNOS_EMUL_ENABLE      0x1
 
+#define EXYNOS_MAX_TRIGGER_PER_REG      4
+
 #if defined(CONFIG_CPU_EXYNOS4210)
 extern struct exynos_tmu_platform_data const exynos4210_default_tmu_data;
 #define EXYNOS4210_TMU_DRV_DATA (&exynos4210_default_tmu_data)