Platform/ROCK-5A: Enable fan pwm at 1kHz, 50% duty

Hardcoded for now Signed-off-by: Molly Sophia <[email protected]>
edk2-porting · Aug 12, 2023 · e863285 · e863285
1 parent 343be28
commit e863285
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diff --git a/edk2-rockchip/Platform/Radxa/ROCK5A/Library/RockchipPlatformLib/RockchipPlatformLib.c b/edk2-rockchip/Platform/Radxa/ROCK5A/Library/RockchipPlatformLib/RockchipPlatformLib.c
@@ -11,6 +11,7 @@
 #include <Library/GpioLib.h>
 #include <Library/RK806.h>
 #include <Library/Rk3588Pcie.h>
+#include <Library/PWMLib.h>
 #include <Soc.h>
 
 static struct regulator_init_data rk806_init_data[] = {
@@ -276,4 +277,17 @@ PlatformEarlyInit (
   )
 {
   // Configure various things specific to this platform
+  DEBUG((EFI_D_WARN, "PlatformEarlyInit called\n"));
+  GpioPinSetFunction (3, GPIO_PIN_PB2, 0xB); // PWM3_IR_M1
+
+  PWM_DATA pwm_data = {
+    .ControllerID = PWM_CONTROLLER0,
+    .ChannelID = PWM_CHANNEL3,
+    .PeriodNs = 1000000,
+    .DutyNs = 500000,
+    .Polarity = FALSE,
+  }; // PWM0_CH3
+
+  RkPwmSetConfig(&pwm_data);
+  RkPwmEnable(&pwm_data);
 }
diff --git a/edk2-rockchip/Platform/Radxa/ROCK5A/Library/RockchipPlatformLib/RockchipPlatformLib.inf b/edk2-rockchip/Platform/Radxa/ROCK5A/Library/RockchipPlatformLib/RockchipPlatformLib.inf
@@ -28,6 +28,7 @@
   SerialPortLib
   CruLib
   GpioLib
+  PWMLib
 
 [Sources.common]
   RockchipPlatformLib.c
-Original file line number
+Diff line change
@@ Expand Up / @@ -28,6 +28,7 @@ @@
       SerialPortLib
       CruLib
       GpioLib
+      PWMLib
     [Sources.common]
       RockchipPlatformLib.c
@@ Expand Down @@