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 --- Changes since v8: - None.
board/samsung/dts/exynos5250-smdk5250.dts | 1 + doc/device-tree-bindings/exynos/tmu.txt | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/board/samsung/dts/exynos5250-smdk5250.dts b/board/samsung/dts/exynos5250-smdk5250.dts index 00dac40..1c2d52d 100644 --- 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 b911a52..a7492f9 100644 --- a/doc/device-tree-bindings/exynos/tmu.txt +++ b/doc/device-tree-bindings/exynos/tmu.txt @@ -13,7 +13,9 @@ 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) @@ -38,6 +40,7 @@ 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>;