powerpc: dts: turris1x.dts: Add channel labels for temperature sensor

[ 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>

diff --git a/arch/powerpc/boot/dts/turris1x.dts b/arch/powerpc/boot/dts/turris1x.dts
index 045af66..e9cda34 100644 (file)
--- a/arch/powerpc/boot/dts/turris1x.dts
+++ b/arch/powerpc/boot/dts/turris1x.dts
@@ -69,6 +69,20 @@
                                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 */