[PATCH] thermal: amlogic_thermal: Add hwmon support

From: Dongjin Kim
Date: Wed Nov 25 2020 - 11:24:13 EST


Expose Amlogic thermal as HWMON devices.

$ sensors
cpu_thermal-virtual-0
Adapter: Virtual device
temp1: +32.2 C (crit = +110.0 C)

ddr_thermal-virtual-0
Adapter: Virtual device
temp1: +33.4 C (crit = +110.0 C)

Signed-off-by: Dongjin Kim <tobetter@xxxxxxxxx>
---
drivers/thermal/amlogic_thermal.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/thermal/amlogic_thermal.c b/drivers/thermal/amlogic_thermal.c
index ccb1fe18e993..2fce96c32586 100644
--- a/drivers/thermal/amlogic_thermal.c
+++ b/drivers/thermal/amlogic_thermal.c
@@ -29,6 +29,7 @@
#include <linux/thermal.h>

#include "thermal_core.h"
+#include "thermal_hwmon.h"

#define TSENSOR_CFG_REG1 0x4
#define TSENSOR_CFG_REG1_RSET_VBG BIT(12)
@@ -291,6 +292,9 @@ static int amlogic_thermal_probe(struct platform_device *pdev)
if (ret)
return ret;

+ if (devm_thermal_add_hwmon_sysfs(pdata->tzd))
+ dev_warn(&pdev->dev, "failed to add hwmon sysfs attributes\n");
+
ret = amlogic_thermal_enable(pdata);

return ret;
--
2.25.1