thermal: drivers: mediatek: Relocate driver to mediatek folder

Add MediaTek proprietary folder to upstream more thermal zone and cooler
drivers, relocate the original thermal controller driver to it, and rename it
as "auxadc_thermal.c" to show its purpose more clearly.

Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

drivers/thermal/Kconfig

@@ -412,16 +412,10 @@ config DA9062_THERMAL
 	  zone.
 	  Compatible with the DA9062 and DA9061 PMICs.
 
-config MTK_THERMAL
-	tristate "Temperature sensor driver for mediatek SoCs"
-	depends on ARCH_MEDIATEK || COMPILE_TEST
-	depends on HAS_IOMEM
-	depends on NVMEM || NVMEM=n
-	depends on RESET_CONTROLLER
-	default y
-	help
-	  Enable this option if you want to have support for thermal management
-	  controller present in Mediatek SoCs
+menu "Mediatek thermal drivers"
+depends on ARCH_MEDIATEK || COMPILE_TEST
+source "drivers/thermal/mediatek/Kconfig"
+endmenu
 
 config AMLOGIC_THERMAL
 	tristate "Amlogic Thermal Support"

drivers/thermal/Makefile

@@ -55,7 +55,7 @@ obj-y				+= st/
 obj-y				+= qcom/
 obj-y				+= tegra/
 obj-$(CONFIG_HISI_THERMAL)     += hisi_thermal.o
-obj-$(CONFIG_MTK_THERMAL)	+= mtk_thermal.o
+obj-y				+= mediatek/
 obj-$(CONFIG_GENERIC_ADC_THERMAL)	+= thermal-generic-adc.o
 obj-$(CONFIG_UNIPHIER_THERMAL)	+= uniphier_thermal.o
 obj-$(CONFIG_AMLOGIC_THERMAL)     += amlogic_thermal.o

drivers/thermal/mediatek/Kconfig

@@ -0,0 +1,21 @@
+config MTK_THERMAL
+	tristate "MediaTek thermal drivers"
+	depends on THERMAL_OF
+	help
+	  This is the option for MediaTek thermal software solutions.
+	  Please enable corresponding options to get temperature
+	  information from thermal sensors or turn on throttle
+	  mechaisms for thermal mitigation.
+
+if MTK_THERMAL
+
+config MTK_SOC_THERMAL
+	tristate "AUXADC temperature sensor driver for MediaTek SoCs"
+	depends on HAS_IOMEM
+	help
+	  Enable this option if you want to get SoC temperature
+	  information for MediaTek platforms.
+	  This driver configures thermal controllers to collect
+	  temperature via AUXADC interface.
+
+endif

drivers/thermal/mediatek/Makefile

@@ -0,0 +1 @@
+obj-$(CONFIG_MTK_SOC_THERMAL)	+= auxadc_thermal.o

drivers/thermal/mtk_thermal.c → drivers/thermal/mediatek/auxadc_thermal.c

@@ -23,7 +23,7 @@
 #include <linux/reset.h>
 #include <linux/types.h>
 
-#include "thermal_hwmon.h"
+#include "../thermal_hwmon.h"
 
 /* AUXADC Registers */
 #define AUXADC_CON1_SET_V	0x008