From: Pali Rohár pali@kernel.org
[ Upstream commit 67bbb62f61e810734da0a1577a9802ddaed24140 ]
Channel 0 of SA56004ED chip refers to internal SA56004ED chip sensor (chip itself is located on the board) and channel 1 of SA56004ED chip refers to external sensor which is connected to temperature diode of the P2020 CPU.
Fixes: 54c15ec3b738 ("powerpc: dts: Add DTS file for CZ.NIC Turris 1.x routers") Signed-off-by: Pali Rohár pali@kernel.org Reviewed-by: Marek Behún kabel@kernel.org Signed-off-by: Michael Ellerman mpe@ellerman.id.au Link: https://lore.kernel.org/r/20220930123901.10251-1-pali@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/powerpc/boot/dts/turris1x.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/arch/powerpc/boot/dts/turris1x.dts b/arch/powerpc/boot/dts/turris1x.dts index 045af668e928..e9cda34a140e 100644 --- a/arch/powerpc/boot/dts/turris1x.dts +++ b/arch/powerpc/boot/dts/turris1x.dts @@ -69,6 +69,20 @@ temperature-sensor@4c { interrupt-parent = <&gpio>; interrupts = <12 IRQ_TYPE_LEVEL_LOW>, /* GPIO12 - ALERT pin */ <13 IRQ_TYPE_LEVEL_LOW>; /* GPIO13 - CRIT pin */ + #address-cells = <1>; + #size-cells = <0>; + + /* Local temperature sensor (SA56004ED internal) */ + channel@0 { + reg = <0>; + label = "board"; + }; + + /* Remote temperature sensor (D+/D- connected to P2020 CPU Temperature Diode) */ + channel@1 { + reg = <1>; + label = "cpu"; + }; };
/* DDR3 SPD/EEPROM */