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From:   Andrey Smirnov <andrew.smirnov@gmail.com>
To:     Daniel Lezcano <daniel.lezcano@linaro.org>
Cc:     Andrey Smirnov <andrew.smirnov@gmail.com>,
        Lucas Stach <l.stach@pengutronix.de>,
        Chris Healy <cphealy@gmail.com>,
        Eduardo Valentin <edubezval@gmail.com>,
        Angus Ainslie <angus@akkea.ca>, linux-imx@nxp.com,
        linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v8 12/12] thermal: qoriq: Add hwmon support
Date:   Tue, 10 Dec 2019 08:41:53 -0800
Message-Id: <20191210164153.10463-13-andrew.smirnov@gmail.com>
In-Reply-To: <20191210164153.10463-1-andrew.smirnov@gmail.com>
References: <20191210164153.10463-1-andrew.smirnov@gmail.com>
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Expose thermal readings as a HWMON device, so that it could be
accessed using lm-sensors.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Lucas Stach <l.stach@pengutronix.de>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: linux-imx@nxp.com
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
 drivers/thermal/qoriq_thermal.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c
index b684d3ceda69..b75d34e07da5 100644
--- a/drivers/thermal/qoriq_thermal.c
+++ b/drivers/thermal/qoriq_thermal.c
@@ -13,6 +13,7 @@
 #include <linux/thermal.h>
 
 #include "thermal_core.h"
+#include "thermal_hwmon.h"
 
 #define SITES_MAX		16
 #define TMR_DISABLE		0x0
@@ -139,6 +140,11 @@ static int qoriq_tmu_register_tmu_zone(struct device *dev,
 			regmap_write(qdata->regmap, REGS_TMR, TMR_DISABLE);
 			return ret;
 		}
+
+		if (devm_thermal_add_hwmon_sysfs(tzd))
+			dev_warn(dev,
+				 "Failed to add hwmon sysfs attributes\n");
+
 	}
 
 	return 0;
-- 
2.21.0