thermal/drivers/mediatek: Add sensors-support

Add HWMON-support to mediateks thermal driver to allow lm-sensors
userspace tools read soc temperature

Signed-off-by: Frank Wunderlich <[email protected]>
Reviewed-by: Matthias Brugger <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: frank-w

drivers/thermal/mtk_thermal.c

@@ -23,6 +23,8 @@
 #include <linux/reset.h>
 #include <linux/types.h>
 
+#include "thermal_hwmon.h"
+
 /* AUXADC Registers */
 #define AUXADC_CON1_SET_V	0x008
 #define AUXADC_CON1_CLR_V	0x00c
@@ -1087,6 +1089,10 @@ static int mtk_thermal_probe(struct platform_device *pdev)
 		goto err_disable_clk_peri_therm;
 	}
 
+	ret = devm_thermal_add_hwmon_sysfs(tzdev);
+	if (ret)
+		dev_warn(&pdev->dev, "error in thermal_add_hwmon_sysfs");
+
 	return 0;
 
 err_disable_clk_peri_therm: