Platform/ROCK-5B: Enable fan pwm at 40kHz, 60% duty

edk2-porting · Aug 13, 2023 · a46a675 · a46a675
1 parent e863285
commit a46a675
Show file tree

Hide file tree

Showing 2 changed files with 15 additions and 0 deletions.
diff --git a/edk2-rockchip/Platform/Radxa/ROCK5B/Library/RockchipPlatformLib/RockchipPlatformLib.c b/edk2-rockchip/Platform/Radxa/ROCK5B/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[] = {
@@ -328,4 +329,17 @@ PlatformEarlyInit (
   )
 {
   // Configure various things specific to this platform
+  DEBUG((EFI_D_WARN, "PlatformEarlyInit called\n"));
+  GpioPinSetFunction (0, GPIO_PIN_PC0, 0x3); // PWM1_M0
+
+  PWM_DATA pwm_data = {
+    .ControllerID = PWM_CONTROLLER0,
+    .ChannelID = PWM_CHANNEL1,
+    .PeriodNs = 25000,
+    .DutyNs = 15000,
+    .Polarity = FALSE,
+  }; // PWM0_CH1
+
+  RkPwmSetConfig(&pwm_data);
+  RkPwmEnable(&pwm_data);
 }
diff --git a/edk2-rockchip/Platform/Radxa/ROCK5B/Library/RockchipPlatformLib/RockchipPlatformLib.inf b/edk2-rockchip/Platform/Radxa/ROCK5B/Library/RockchipPlatformLib/RockchipPlatformLib.inf
@@ -28,6 +28,7 @@
   SerialPortLib
   CruLib
   GpioLib
+  PWMLib
 
 [Sources.common]
   RockchipPlatformLib.c