linux-kernel - [PATCH 2/2] arm64: dts: microchip: sparx5: use correct clock for tmon

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Message-Id: <20220809112209.241045-2-robert.marko@sartura.hr>
Date:   Tue,  9 Aug 2022 13:22:09 +0200
From:   Robert Marko <robert.marko@...tura.hr>
To:     jdelvare@...e.com, linux@...ck-us.net, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, lars.povlsen@...rochip.com,
        Steen.Hegelund@...rochip.com, UNGLinuxDriver@...rochip.com,
        linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     luka.perkov@...tura.hr, Robert Marko <robert.marko@...tura.hr>
Subject: [PATCH 2/2] arm64: dts: microchip: sparx5: use correct clock for tmon

SparX-5 temperature sensor uses system reference clock and not the AHB bus
clock as indicated by the register information [1].

Configured number of system clock cycles in one 1us is now almost spot on
to the default register value.

[1] https://microchip-ung.github.io/sparx-5_reginfo/reginfo_sparx-5.html?select=hsiowrap,temp_sensor,temp_sensor_cfg,clk_cycles_1us

Fixes: d14f6a1ae07f ("arm64: dts: sparx5: Add hwmon temperature sensor")
Signed-off-by: Robert Marko <robert.marko@...tura.hr>
---
 arch/arm64/boot/dts/microchip/sparx5.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/microchip/sparx5.dtsi b/arch/arm64/boot/dts/microchip/sparx5.dtsi
index 6f6aab48516e..c9367127670b 100644
--- a/arch/arm64/boot/dts/microchip/sparx5.dtsi
+++ b/arch/arm64/boot/dts/microchip/sparx5.dtsi
@@ -421,7 +421,7 @@ tmon0: tmon@...508110 {
 			compatible = "microchip,sparx5-temp";
 			reg = <0x6 0x10508110 0xc>;
 			#thermal-sensor-cells = <0>;
-			clocks = <&ahb_clk>;
+			clocks = <&sys_clk>;
 		};
 
 		mdio0: mdio@...0102b0 {
-- 
2.37.1