pwm_fan: port the pwm fan driver to linux-nvidia repo

Update the Kconfig and Makefile for pwm fan.

Bug 200428643

Change-Id: I099d42acab6afb5231a4239208631a9a430c3416
Signed-off-by: Darren Sun <darrens@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1774041
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

4 files changed, 9 insertions, 0 deletions

diff --git a/drivers/Kconfig b/drivers/Kconfig
index f9aeaba02..2c7a00326 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -6,6 +6,7 @@ source "drivers/nvpmodel/Kconfig"
 source "drivers/nvlink/Kconfig"
 source "drivers/iommu/Kconfig"
 source "drivers/nvpps/Kconfig"
+source "drivers/thermal/Kconfig"
 endif
 
 endmenu
diff --git a/drivers/Makefile b/drivers/Makefile
index 69927e062..2f0c47417 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -14,3 +14,4 @@ subdir-ccflags-y += -Werror
 obj-$(CONFIG_NVPMODEL_EMC)      += nvpmodel/
 obj-$(CONFIG_TEGRA_NVLINK)      += nvlink/
 obj-$(CONFIG_NVPPS)             += nvpps/
+obj-$(CONFIG_THERMAL)  += thermal/
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 7be09001a..d88c71370 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -13,6 +13,12 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+config PWM_FAN
+        tristate "Tegra PWM Fan driver"
+        depends on THERMAL
+        help
+          Enables the fan driver that is controlled by pwm.
+
 config THERMAL_GOV_PID
         bool "PID thermal governor"
         help
diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
index 61e9b4d80..b13410254 100644
--- a/drivers/thermal/Makefile
+++ b/drivers/thermal/Makefile
@@ -5,5 +5,6 @@ ccflags-y += -I$(srctree)/drivers/thermal
 obj-$(CONFIG_NV_TEGRA_BPMP) += tegra_bpmp_thermal.o
 obj-$(CONFIG_TEGRA_THERMAL_THROTTLE) += tegra_throttle.o
 obj-$(CONFIG_TEGRA_THERMAL_THROTTLE) += tegra_thermal_throttle.o
+obj-$(CONFIG_PWM_FAN) += pwm_fan.o
 
 thermal_sys-$(CONFIG_THERMAL_GOV_PID) += pid_thermal_gov.o