Platforms: Enable HYM8563 RTC support

Enabled on all platforms, except for: - Radxa ROCK 5A: I2C location unknown yet - Mixtile Blade 3: no RTC present Not tested on Hinlink and FriendlyElec devices.
edk2-porting · Aug 3, 2023 · 51f33c1 · 51f33c1
1 parent 9ec4c35
commit 51f33c1
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Showing 21 changed files with 180 additions and 26 deletions.
diff --git a/edk2-rockchip/Platform/Ameridroid/IndiedroidNova/IndiedroidNova.dsc b/edk2-rockchip/Platform/Ameridroid/IndiedroidNova/IndiedroidNova.dsc
@@ -27,6 +27,12 @@
   FLASH_DEFINITION               = Silicon/Rockchip/RK3588/RK3588.fdf
   RK_PLATFORM_FVMAIN_MODULES     = $(PLATFORM_DIRECTORY)/$(PLATFORM_NAME).Modules.fdf.inc
 
+  #
+  # HYM8563 RTC support
+  # I2C location configured by PCDs below.
+  #
+  DEFINE RK_RTC8563_ENABLE = TRUE
+
   #
   # RK3588S-based platform
   #
@@ -55,11 +61,13 @@
   gRockchipTokenSpaceGuid.PcdProductUrl|"https://indiedroid.us"
 
   # I2C
-  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43 }
-  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43, 0x51 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0, 0x6 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorAddresses|{ 0x42, 0x43 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorBuses|{ 0x0, 0x0 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorTags|{ SCMI_CLK_CPUB01, SCMI_CLK_CPUB23 }
+  gPcf8563RealTimeClockLibTokenSpaceGuid.PcdI2cSlaveAddress|0x51
+  gRockchipTokenSpaceGuid.PcdRtc8563Bus|0x6
 
   #
   # CPU Performance default values

diff --git a/...chip/Platform/Ameridroid/IndiedroidNova/Library/RockchipPlatformLib/RockchipPlatformLib.c b/...chip/Platform/Ameridroid/IndiedroidNova/Library/RockchipPlatformLib/RockchipPlatformLib.c
@@ -163,6 +163,11 @@ I2cIomux (
     break;
   case 5:
     break;
+  case 6:
+    /* io mux M3 */
+    BUS_IOC->GPIO4B_IOMUX_SEL_L = (0x00F0UL << 16) | 0x0090;
+    BUS_IOC->GPIO4B_IOMUX_SEL_L = (0x000FUL << 16) | 0x0009;
+    break;
   default:
     break;
   }

diff --git a/edk2-rockchip/Platform/Firefly/ROC-RK3588S-PC/ROC-RK3588S-PC.dsc.inc b/edk2-rockchip/Platform/Firefly/ROC-RK3588S-PC/ROC-RK3588S-PC.dsc.inc
@@ -16,6 +16,12 @@
   FLASH_DEFINITION               = Silicon/Rockchip/RK3588/RK3588.fdf
   RK_PLATFORM_FVMAIN_MODULES     = Platform/Firefly/ROC-RK3588S-PC/ROC-RK3588S-PC.Modules.fdf.inc
 
+  #
+  # HYM8563 RTC support
+  # I2C location configured by PCDs below.
+  #
+  DEFINE RK_RTC8563_ENABLE = TRUE
+
   #
   # RK3588S-based platform
   #
@@ -42,11 +48,13 @@
   gRockchipTokenSpaceGuid.PcdBoardVendorName|"Firefly"
 
   # I2C
-  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43 }
-  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43, 0x51 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0, 0x2 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorAddresses|{ 0x42, 0x43 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorBuses|{ 0x0, 0x0 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorTags|{ SCMI_CLK_CPUB01, SCMI_CLK_CPUB23 }
+  gPcf8563RealTimeClockLibTokenSpaceGuid.PcdI2cSlaveAddress|0x51
+  gRockchipTokenSpaceGuid.PcdRtc8563Bus|0x2
 
   #
   # CPU Performance default values

diff --git a/...ockchip/Platform/FriendlyElec/NanoPC-T6/Library/RockchipPlatformLib/RockchipPlatformLib.c b/...ockchip/Platform/FriendlyElec/NanoPC-T6/Library/RockchipPlatformLib/RockchipPlatformLib.c
@@ -186,6 +186,13 @@ I2cIomux (
     break;
   case 5:
     break;
+  case 6:
+    /* io mux M0 */
+    BUS_IOC->GPIO0C_IOMUX_SEL_H = (0xF000UL << 16) | 0x9000;
+    BUS_IOC->GPIO0D_IOMUX_SEL_L = (0x000FUL << 16) | 0x0009;
+    PMU2_IOC->GPIO0C_IOMUX_SEL_H = (0xF000UL << 16) | 0x8000;
+    PMU2_IOC->GPIO0D_IOMUX_SEL_L = (0x000FUL << 16) | 0x0008;
+    break;
   default:
     break;
   }

diff --git a/edk2-rockchip/Platform/FriendlyElec/NanoPC-T6/NanoPC-T6.dsc b/edk2-rockchip/Platform/FriendlyElec/NanoPC-T6/NanoPC-T6.dsc
@@ -28,6 +28,12 @@
   FLASH_DEFINITION               = Silicon/Rockchip/RK3588/RK3588.fdf
   RK_PLATFORM_FVMAIN_MODULES     = $(PLATFORM_DIRECTORY)/$(PLATFORM_NAME).Modules.fdf.inc
 
+  #
+  # HYM8563 RTC support
+  # I2C location configured by PCDs below.
+  #
+  DEFINE RK_RTC8563_ENABLE = TRUE
+
   #
   # RK3588-based platform
   #
@@ -56,11 +62,13 @@
   gRockchipTokenSpaceGuid.PcdProductUrl|"https://wiki.friendlyelec.com/wiki/index.php/NanoPC-T6"
 
   # I2C
-  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43 }
-  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43, 0x51 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0, 0x6 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorAddresses|{ 0x42, 0x43 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorBuses|{ 0x0, 0x0 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorTags|{ SCMI_CLK_CPUB01, SCMI_CLK_CPUB23 }
+  gPcf8563RealTimeClockLibTokenSpaceGuid.PcdI2cSlaveAddress|0x51
+  gRockchipTokenSpaceGuid.PcdRtc8563Bus|0x6
 
   #
   # CPU Performance default values

diff --git a/...ckchip/Platform/FriendlyElec/NanoPi-R6C/Library/RockchipPlatformLib/RockchipPlatformLib.c b/...ckchip/Platform/FriendlyElec/NanoPi-R6C/Library/RockchipPlatformLib/RockchipPlatformLib.c
@@ -184,6 +184,13 @@ I2cIomux (
     break;
   case 5:
     break;
+  case 6:
+    /* io mux M0 */
+    BUS_IOC->GPIO0C_IOMUX_SEL_H = (0xF000UL << 16) | 0x9000;
+    BUS_IOC->GPIO0D_IOMUX_SEL_L = (0x000FUL << 16) | 0x0009;
+    PMU2_IOC->GPIO0C_IOMUX_SEL_H = (0xF000UL << 16) | 0x8000;
+    PMU2_IOC->GPIO0D_IOMUX_SEL_L = (0x000FUL << 16) | 0x0008;
+    break;
   default:
     break;
   }

diff --git a/edk2-rockchip/Platform/FriendlyElec/NanoPi-R6C/NanoPi-R6C.dsc b/edk2-rockchip/Platform/FriendlyElec/NanoPi-R6C/NanoPi-R6C.dsc
@@ -29,6 +29,12 @@
   FLASH_DEFINITION               = Silicon/Rockchip/RK3588/RK3588.fdf
   RK_PLATFORM_FVMAIN_MODULES     = $(PLATFORM_DIRECTORY)/$(PLATFORM_NAME).Modules.fdf.inc
 
+  #
+  # HYM8563 RTC support
+  # I2C location configured by PCDs below.
+  #
+  DEFINE RK_RTC8563_ENABLE = TRUE
+
   #
   # RK3588S-based platform
   #
@@ -57,11 +63,13 @@
   gRockchipTokenSpaceGuid.PcdProductUrl|"https://wiki.friendlyelec.com/wiki/index.php/NanoPi_R6"
 
   # I2C
-  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43 }
-  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43, 0x51 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0, 0x6 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorAddresses|{ 0x42, 0x43 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorBuses|{ 0x0, 0x0 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorTags|{ SCMI_CLK_CPUB01, SCMI_CLK_CPUB23 }
+  gPcf8563RealTimeClockLibTokenSpaceGuid.PcdI2cSlaveAddress|0x51
+  gRockchipTokenSpaceGuid.PcdRtc8563Bus|0x6
 
   #
   # CPU Performance default values

diff --git a/...ckchip/Platform/FriendlyElec/NanoPi-R6S/Library/RockchipPlatformLib/RockchipPlatformLib.c b/...ckchip/Platform/FriendlyElec/NanoPi-R6S/Library/RockchipPlatformLib/RockchipPlatformLib.c
@@ -180,6 +180,13 @@ I2cIomux (
     break;
   case 5:
     break;
+  case 6:
+    /* io mux M0 */
+    BUS_IOC->GPIO0C_IOMUX_SEL_H = (0xF000UL << 16) | 0x9000;
+    BUS_IOC->GPIO0D_IOMUX_SEL_L = (0x000FUL << 16) | 0x0009;
+    PMU2_IOC->GPIO0C_IOMUX_SEL_H = (0xF000UL << 16) | 0x8000;
+    PMU2_IOC->GPIO0D_IOMUX_SEL_L = (0x000FUL << 16) | 0x0008;
+    break;
   default:
     break;
   }
@@ -192,7 +199,7 @@ UsbPortPowerEnable (
   )
 {
   DEBUG((EFI_D_WARN, "UsbPortPowerEnable called\n"));
-  
+
   /* Set GPIO4 PB5 (USB_HOST_PWREN) output high to power USB ports */
   GpioPinSetDirection (4, GPIO_PIN_PB5, GPIO_PIN_OUTPUT);
   GpioPinWrite (4, GPIO_PIN_PB5, TRUE);
@@ -225,7 +232,7 @@ UsbDpPhyEnable (
   /* enable rx_lfps_en & usbdp_low_pwrn */
   MmioWrite32(0xfd5c8004, 0x60006000);
   MmioWrite32(0xfd5cc004, 0x60006000);
-  
+
   /* remove rx-termination, we don't support SS yet */
   MmioWrite32 (0xfd5c800c, 0x00030001);
   MmioWrite32 (0xfd5cc00c, 0x00030001);

diff --git a/edk2-rockchip/Platform/FriendlyElec/NanoPi-R6S/NanoPi-R6S.dsc b/edk2-rockchip/Platform/FriendlyElec/NanoPi-R6S/NanoPi-R6S.dsc
@@ -28,6 +28,12 @@
   FLASH_DEFINITION               = Silicon/Rockchip/RK3588/RK3588.fdf
   RK_PLATFORM_FVMAIN_MODULES     = $(PLATFORM_DIRECTORY)/$(PLATFORM_NAME).Modules.fdf.inc
 
+  #
+  # HYM8563 RTC support
+  # I2C location configured by PCDs below.
+  #
+  DEFINE RK_RTC8563_ENABLE = TRUE
+
   #
   # RK3588S-based platform
   #
@@ -56,11 +62,13 @@
   gRockchipTokenSpaceGuid.PcdProductUrl|"https://wiki.friendlyelec.com/wiki/index.php/NanoPi_R6S"
 
   # I2C
-  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43 }
-  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43, 0x51 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0, 0x6 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorAddresses|{ 0x42, 0x43 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorBuses|{ 0x0, 0x0 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorTags|{ SCMI_CLK_CPUB01, SCMI_CLK_CPUB23 }
+  gPcf8563RealTimeClockLibTokenSpaceGuid.PcdI2cSlaveAddress|0x51
+  gRockchipTokenSpaceGuid.PcdRtc8563Bus|0x6
 
   #
   # CPU Performance default values

diff --git a/edk2-rockchip/Platform/Hinlink/H88K/H88K.dsc b/edk2-rockchip/Platform/Hinlink/H88K/H88K.dsc
@@ -28,6 +28,12 @@
   FLASH_DEFINITION               = Silicon/Rockchip/RK3588/RK3588.fdf
   RK_PLATFORM_FVMAIN_MODULES     = $(PLATFORM_DIRECTORY)/$(PLATFORM_NAME).Modules.fdf.inc
 
+  #
+  # HYM8563 RTC support
+  # I2C location configured by PCDs below.
+  #
+  DEFINE RK_RTC8563_ENABLE = TRUE
+
   #
   # RK3588-based platform
   #
@@ -56,11 +62,13 @@
   gRockchipTokenSpaceGuid.PcdProductUrl|"http://www.hinlink.com/"
 
   # I2C
-  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43 }
-  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43, 0x51 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0, 0x2 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorAddresses|{ 0x42, 0x43 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorBuses|{ 0x0, 0x0 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorTags|{ SCMI_CLK_CPUB01, SCMI_CLK_CPUB23 }
+  gPcf8563RealTimeClockLibTokenSpaceGuid.PcdI2cSlaveAddress|0x51
+  gRockchipTokenSpaceGuid.PcdRtc8563Bus|0x2
 
   #
   # CPU Performance default values

diff --git a/edk2-rockchip/Platform/Khadas/Edge2/Edge2.dsc b/edk2-rockchip/Platform/Khadas/Edge2/Edge2.dsc
@@ -27,6 +27,12 @@
   FLASH_DEFINITION               = Silicon/Rockchip/RK3588/RK3588.fdf
   RK_PLATFORM_FVMAIN_MODULES     = $(PLATFORM_DIRECTORY)/$(PLATFORM_NAME).Modules.fdf.inc
 
+  #
+  # HYM8563 RTC support
+  # I2C location configured by PCDs below.
+  #
+  DEFINE RK_RTC8563_ENABLE = TRUE
+
   #
   # RK3588S-based platform
   #
@@ -55,11 +61,13 @@
   gRockchipTokenSpaceGuid.PcdProductUrl|"https://www.khadas.com/edge2"
 
   # I2C
-  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43 }
-  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43, 0x51 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0, 0x2 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorAddresses|{ 0x42, 0x43 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorBuses|{ 0x0, 0x0 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorTags|{ SCMI_CLK_CPUB01, SCMI_CLK_CPUB23 }
+  gPcf8563RealTimeClockLibTokenSpaceGuid.PcdI2cSlaveAddress|0x51
+  gRockchipTokenSpaceGuid.PcdRtc8563Bus|0x2
 
   #
   # CPU Performance default values

diff --git a/...-rockchip/Platform/Mekotronics/R58-Mini/Library/RockchipPlatformLib/RockchipPlatformLib.c b/...-rockchip/Platform/Mekotronics/R58-Mini/Library/RockchipPlatformLib/RockchipPlatformLib.c
@@ -201,6 +201,13 @@ I2cIomux (
     break;
   case 5:
     break;
+  case 6:
+    /* io mux M0 */
+    BUS_IOC->GPIO0C_IOMUX_SEL_H = (0xF000UL << 16) | 0x9000;
+    BUS_IOC->GPIO0D_IOMUX_SEL_L = (0x000FUL << 16) | 0x0009;
+    PMU2_IOC->GPIO0C_IOMUX_SEL_H = (0xF000UL << 16) | 0x8000;
+    PMU2_IOC->GPIO0D_IOMUX_SEL_L = (0x000FUL << 16) | 0x0008;
+    break;
   default:
     break;
   }

diff --git a/edk2-rockchip/Platform/Mekotronics/R58-Mini/R58-Mini.dsc b/edk2-rockchip/Platform/Mekotronics/R58-Mini/R58-Mini.dsc
@@ -30,6 +30,12 @@
   # This board lacks an SD card slot.
   DEFINE RK_SD_ENABLE = FALSE
 
+  #
+  # HYM8563 RTC support
+  # I2C location configured by PCDs below.
+  #
+  DEFINE RK_RTC8563_ENABLE = TRUE
+
   #
   # RK3588-based platform
   #
@@ -59,11 +65,13 @@
   gRockchipTokenSpaceGuid.PcdBoardName|"MINI-PC-RK3588-4D32-V1.0"
 
   # I2C
-  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43 }
-  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43, 0x51 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0, 0x6 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorAddresses|{ 0x42, 0x43 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorBuses|{ 0x0, 0x0 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorTags|{ SCMI_CLK_CPUB01, SCMI_CLK_CPUB23 }
+  gPcf8563RealTimeClockLibTokenSpaceGuid.PcdI2cSlaveAddress|0x51
+  gRockchipTokenSpaceGuid.PcdRtc8563Bus|0x6
 
   #
   # CPU Performance default values

diff --git a/edk2-rockchip/Platform/Mekotronics/R58X/Library/RockchipPlatformLib/RockchipPlatformLib.c b/edk2-rockchip/Platform/Mekotronics/R58X/Library/RockchipPlatformLib/RockchipPlatformLib.c
@@ -201,6 +201,12 @@ I2cIomux (
     break;
   case 5:
     break;
+  case 6:
+    /* io mux M0 */
+    BUS_IOC->GPIO0C_IOMUX_SEL_H = (0xF000UL << 16) | 0x9000;
+    BUS_IOC->GPIO0D_IOMUX_SEL_L = (0x000FUL << 16) | 0x0009;
+    PMU2_IOC->GPIO0C_IOMUX_SEL_H = (0xF000UL << 16) | 0x8000;
+    PMU2_IOC->GPIO0D_IOMUX_SEL_L = (0x000FUL << 16) | 0x0008;
   default:
     break;
   }

diff --git a/edk2-rockchip/Platform/Mekotronics/R58X/R58X.dsc b/edk2-rockchip/Platform/Mekotronics/R58X/R58X.dsc
@@ -27,6 +27,12 @@
   FLASH_DEFINITION               = Silicon/Rockchip/RK3588/RK3588.fdf
   RK_PLATFORM_FVMAIN_MODULES     = $(PLATFORM_DIRECTORY)/$(PLATFORM_NAME).Modules.fdf.inc
 
+  #
+  # HYM8563 RTC support
+  # I2C location configured by PCDs below.
+  #
+  DEFINE RK_RTC8563_ENABLE = TRUE
+
   #
   # RK3588-based platform
   #
@@ -56,11 +62,13 @@
   gRockchipTokenSpaceGuid.PcdBoardName|"EDGE-RK3588-4D32-V1.2"
 
   # I2C
-  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43 }
-  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveAddresses|{ 0x42, 0x43, 0x51 }
+  gRockchipTokenSpaceGuid.PcdI2cSlaveBuses|{ 0x0, 0x0, 0x6 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorAddresses|{ 0x42, 0x43 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorBuses|{ 0x0, 0x0 }
   gRockchipTokenSpaceGuid.PcdRk860xRegulatorTags|{ SCMI_CLK_CPUB01, SCMI_CLK_CPUB23 }
+  gPcf8563RealTimeClockLibTokenSpaceGuid.PcdI2cSlaveAddress|0x51
+  gRockchipTokenSpaceGuid.PcdRtc8563Bus|0x6
 
   #
   # CPU Performance default values

diff --git a/edk2-rockchip/Platform/OrangePi/OrangePi5/Library/RockchipPlatformLib/RockchipPlatformLib.c b/edk2-rockchip/Platform/OrangePi/OrangePi5/Library/RockchipPlatformLib/RockchipPlatformLib.c
@@ -199,6 +199,11 @@ I2cIomux (
     break;
   case 5:
     break;
+  case 6:
+    /* io mux M3 */
+    BUS_IOC->GPIO4B_IOMUX_SEL_L = (0x00F0UL << 16) | 0x0090;
+    BUS_IOC->GPIO4B_IOMUX_SEL_L = (0x000FUL << 16) | 0x0009;
+    break;
   default:
     break;
   }