Exynos5: FDT: Add a H/W-trip member to TMU node

This adds a member to TMU FDT node for providing hardware
tripping temperature threshold.

Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

diff --git a/board/samsung/dts/exynos5250-smdk5250.dts b/board/samsung/dts/exynos5250-smdk5250.dts
index 00dac40b3980ce250dc1bf04e4de1a8cb412a2d6..1c2d52d622db9823f414dcc7186383352e6ff92f 100644 (file)
--- a/board/samsung/dts/exynos5250-smdk5250.dts
+++ b/board/samsung/dts/exynos5250-smdk5250.dts
@@ -72,6 +72,7 @@
                samsung,max-temp        = <125>;
                samsung,start-warning   = <95>;
                samsung,start-tripping  = <105>;
+               samsung,hw-tripping     = <110>;
                samsung,efuse-min-value = <40>;
                samsung,efuse-value     = <55>;
                samsung,efuse-max-value = <100>;

diff --git a/doc/device-tree-bindings/exynos/tmu.txt b/doc/device-tree-bindings/exynos/tmu.txt
index bb734dcaca3b038dad646c275a345b2296757096..89d3bf05f732e93781e19f76f0f25f8b069481d4 100644 (file)
--- a/doc/device-tree-bindings/exynos/tmu.txt
+++ b/doc/device-tree-bindings/exynos/tmu.txt
@@ -8,7 +8,9 @@ Required properties:
  - samsung,max-temp : Maximum temperature value (125 degree celsius)
        - Current temperature of SoC should be less than this value.
  - samsung,start-warning : Temperature at which TMU starts giving warning (degree celsius)
- - samsung,start-tripping : Temperature at which system will trip and shutdown (degree celsius)
+ - samsung,start-tripping : Temperature at which TMU shuts down the system (degree celsius)
+ - samsung,hw-tripping : Temperature at which hardware tripping should happen
+       in case TMU fails to power off (degree celsius)
  - samsung,efuse-min-value : SOC efuse min value (Constant 40)
        - efuse-value should be more than this value.
  - samsung,efuse-value : SOC actual efuse value (Literal value)
@@ -33,6 +35,7 @@ tmu@10060000 {
        samsung,max-temp = <125>;
        samsung,start-warning = <95>;
        samsung,start-tripping = <105>;
+       samsung,hw-tripping = <110>;
        samsung,efuse-min-value = <40>;
        samsung,efuse-value = <55>;
        samsung,efuse-max-value = <100>;