thermal/drivers/imx8mm: Add hwmon support

Expose thermal sensors as HWMON devices.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20220726122331.323093-1-alexander.stein@ew.tq-group.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>

diff --git a/drivers/thermal/imx8mm_thermal.c b/drivers/thermal/imx8mm_thermal.c
index e709c03bc4b9f78966248bb4966c6c4ec0f73126..d247b48696cb63dc53373ddc27c397b67777d8ff 100644 (file)
--- a/drivers/thermal/imx8mm_thermal.c
+++ b/drivers/thermal/imx8mm_thermal.c
@@ -18,6 +18,7 @@
 #include <linux/thermal.h>
 
 #include "thermal_core.h"
+#include "thermal_hwmon.h"
 
 #define TER                    0x0     /* TMU enable */
 #define TPS                    0x4
@@ -342,6 +343,9 @@ static int imx8mm_tmu_probe(struct platform_device *pdev)
                        goto disable_clk;
                }
                tmu->sensors[i].hw_id = i;
+
+               if (devm_thermal_add_hwmon_sysfs(tmu->sensors[i].tzd))
+                       dev_warn(&pdev->dev, "failed to add hwmon sysfs attributes\n");
        }
 
        platform_set_drvdata(pdev, tmu);