From: Alexey Charkov Date: Tue, 4 Feb 2025 09:02:28 +0000 (+0400) Subject: arm64: dts: rockchip: switch Rock 5C to PMIC-based TSHUT reset X-Git-Tag: v6.15-rc1~159^2~23^2~77 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=52cababc9c1914ebf50929bfb9a67c8f74cd60ab;p=thirdparty%2Fkernel%2Fstable.git arm64: dts: rockchip: switch Rock 5C to PMIC-based TSHUT reset Radxa Rock 5C supports both CRU-based (default) and PMIC-based reset upon thermal runaway conditions. The former resets the SoC by internally poking the CRU from TSADC, while the latter power-cycles the whole board by pulling the PMIC reset line low in case of uncontrolled overheating. Switch to a PMIC-based reset, as the more 'thorough' of the two. Tested by temporarily setting rockchip,hw-tshut-temp to 65C to simulate overheating - this causes the board to reset when any of the on-chip temperature sensors surpasses the tshut temperature. Requires Alexander's patch [1] fixing TSADC pinctrl assignment [1] https://lore.kernel.org/r/20250130053849.4902-1-eagle.alexander923@gmail.com Signed-off-by: Alexey Charkov Reviewed-by: Dragan Simic Link: https://lore.kernel.org/r/20250204-rock-5c-tshut-v1-1-33301e4eef64@gmail.com Signed-off-by: Heiko Stuebner --- diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5c.dts b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5c.dts index 9dcf774706ca8..ef8ce10d8f50b 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5c.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5c.dts @@ -873,6 +873,8 @@ }; &tsadc { + rockchip,hw-tshut-mode = <1>; /* tshut mode 0:CRU 1:GPIO */ + rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */ status = "okay"; };