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* [Patch][edk2-platforms/devel-MinnowBoard3-UDK2017] Add GPIO Protocol
@ 2017-07-03  8:31 Guo, Mang
  0 siblings, 0 replies; only message in thread
From: Guo, Mang @ 2017-07-03  8:31 UTC (permalink / raw)
  To: edk2-devel@lists.01.org; +Cc: Wei, David, Lu, ShifeiX A

This protocol is used to get GPIO info and configure GPIO.

Contributed-under: TianoCore Contribution Agreement 1.0

Signed-off-by: Guo Mang <mang.guo@intel.com>
---
 .../Common/Include/Protocol/GpioProtocol.h         | 192 ++++++++++++
 .../PlatformSettings/PlatformGpio/GpioPadTable.h   | 296 ++++++++++++++++++
 .../PlatformSettings/PlatformGpio/PlatformGpio.c   | 340 +++++++++++++++++++++
 .../PlatformSettings/PlatformGpio/PlatformGpio.h   | 152 +++++++++
 .../PlatformSettings/PlatformGpio/PlatformGpio.inf |  52 ++++
 .../BroxtonPlatformPkg/PlatformDsc/Components.dsc  |   1 +
 Platform/BroxtonPlatformPkg/PlatformPkg.dec        |   4 +-
 Platform/BroxtonPlatformPkg/PlatformPkg.fdf        |   1 +
 8 files changed, 1037 insertions(+), 1 deletion(-)
 create mode 100644 Platform/BroxtonPlatformPkg/Common/Include/Protocol/GpioProtocol.h
 create mode 100644 Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/GpioPadTable.h
 create mode 100644 Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/PlatformGpio.c
 create mode 100644 Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/PlatformGpio.h
 create mode 100644 Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/PlatformGpio.inf

diff --git a/Platform/BroxtonPlatformPkg/Common/Include/Protocol/GpioProtocol.h b/Platform/BroxtonPlatformPkg/Common/Include/Protocol/GpioProtocol.h
new file mode 100644
index 0000000..bb60c27
--- /dev/null
+++ b/Platform/BroxtonPlatformPkg/Common/Include/Protocol/GpioProtocol.h
@@ -0,0 +1,192 @@
+/** @file
+  This protocol is used to configure GPIO.
+
+  Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+
+**/
+
+///
+/// GPIO Protocol GUID.
+///
+#define EDKII_GPIO_PROTOCOL_GUID \
+  { \
+    0x239a4037, 0x5231, 0x44d6, {0xa2, 0xab, 0x51, 0x74, 0xcd, 0x81, 0xff, 0x85 } \
+  }
+
+typedef struct _EDKII_GPIO_PROTOCOL EDKII_GPIO_PROTOCOL;
+
+
+
+typedef enum {
+  GpInOut   = 0,
+  GpIn      = 1,    ///< GPI, input only in PAD_VALUE
+  GpOut     = 2     ///< GPO, output only in PAD_VALUE
+} GPIO_DIRECTION;
+
+typedef enum {
+  Low  = 0,
+  High = 1
+} GPIO_LEVEL;
+
+typedef enum {
+  Fn0 = 0,         ///< Function 0, GPIO mode
+  Fn1 = 1,         ///< Function 1
+  Fn2 = 2,         ///< Function 2
+  Fn3 = 3,         ///< Function 3
+  Fn4 = 4,         ///< Function 4
+  Fn5 = 5          ///< Function 5
+} PAD_MODE;
+
+/**
+  Get Max GPIO count.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[out]  MaxCount              Max GPIO count
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_GET_MAX_COUNT)(
+  IN EDKII_GPIO_PROTOCOL                 *This,
+  OUT UINT32                             *MaxCount
+  );
+
+
+/**
+  Get Pad Mode.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @param[out]  PadMode               0: Function 0 (GPIO mode),
+                                     1: Function 1, 2: Function 2, 3: Function 3, 4: Function 4, 5: Function 5
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_GET_MODE) (
+  IN EDKII_GPIO_PROTOCOL                *This,
+  IN UINT32                             PinNum,
+  OUT PAD_MODE                          *PadMode
+  );
+
+
+/**
+  Set Pad Mode to Fn0/Fn1/Fn2/Fn3/Fn4/Fn5.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   GPIO_NAME             Target GPIO.
+  @param[out]  PMode                 GPIO mode to set.
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_SET_MODE) (
+  IN EDKII_GPIO_PROTOCOL                *This,
+  IN UINT32                             PinNum,
+  IN PAD_MODE                           PadMode
+  );
+
+
+/**
+  Check GPIO direction.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @param[out]  GpioDirection
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_GET_GPIO_DIRECTION)(
+  IN EDKII_GPIO_PROTOCOL                 *This,
+  IN UINT32                              PinNum,
+  OUT GPIO_DIRECTION                     *GpioDirection
+  );
+
+
+/**
+  Set GPIO direction to GPI/GPO/GPIO.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @Param[in]   GpioDirection
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_SET_GPIO_DIRECTION)(
+  IN EDKII_GPIO_PROTOCOL                 *This,
+  IN UINT32                              PinNum,
+  IN GPIO_DIRECTION                      GpioDirection
+  );
+
+
+/**
+  Check GPIO direction, if it is GPI, get input value.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @param[out]  InputVal              GPIO Input value
+                                     0: InputLow, 1: InputHigh
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_GPIO_GET_GPI_LEVEL)(
+  IN EDKII_GPIO_PROTOCOL                *This,
+  IN UINT32                             PinNum,
+  OUT GPIO_LEVEL                        *GpiLevel
+  );
+
+
+/**
+  Check GPIO direction, if it is GPO, Set output value.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @param[in]   GpoState              GPO output value
+                                     0: Low, 1: High
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_GPIO_SET_GPO_LEVEL)(
+  IN EDKII_GPIO_PROTOCOL                *This,
+  IN UINT32                             PinNum,
+  IN GPIO_LEVEL                         GpoLevel
+  );
+
+
+struct _EDKII_GPIO_PROTOCOL {
+  EDKII_GET_MAX_COUNT            GetMaxCount;
+  EDKII_GET_MODE                 GetMode;
+  EDKII_SET_MODE                 SetMode;
+  EDKII_GET_GPIO_DIRECTION       GetGpioDirection;       ///< Get GPIO direction
+  EDKII_SET_GPIO_DIRECTION       SetGpioDirection;       ///< Set GPIO direction
+  EDKII_GPIO_GET_GPI_LEVEL       GetGpiLevel;            ///< Get GPI level
+  EDKII_GPIO_SET_GPO_LEVEL       SetGpoLevel;            ///< Set GPO level
+};
+
+extern EFI_GUID gEdkiiGpioProtocolGuid;
+
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/GpioPadTable.h b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/GpioPadTable.h
new file mode 100644
index 0000000..11e3722
--- /dev/null
+++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/GpioPadTable.h
@@ -0,0 +1,296 @@
+/** @file
+  GPIO pad and offset definition.
+
+  Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+
+**/
+
+#ifndef _BXTP_GPIOTABLE_H_
+#define _BXTP_GPIOTABLE_H_
+
+
+typedef struct {
+  CHAR16*        pad_name;
+  UINT32         CommAndOffset;
+
+} GPIO_PAD_TABLE;
+
+//
+// GPIO pad and offset definition as GPIO HAS
+// North community GPIO pad definition
+//
+STATIC CONST GPIO_PAD_TABLE mGpioPadTable[] = {
+
+//
+// GPIO pad and offset definition as GPIO HAS
+// North community GPIO pad definition
+//
+{L"GPIO_0", N_GPIO_0},       //GPIO_0
+{L"GPIO_1", N_GPIO_1},       //GPIO_1
+{L"GPIO_2", N_GPIO_2},       //GPIO_2
+{L"GPIO_3", N_GPIO_3},       //GPIO_3
+{L"GPIO_4", N_GPIO_4},       //GPIO_4
+{L"GPIO_5", N_GPIO_5},       //GPIO_5
+{L"GPIO_6", N_GPIO_6},       //GPIO_6
+{L"GPIO_7", N_GPIO_7},       //GPIO_7
+{L"GPIO_8", N_GPIO_8},       //GPIO_8
+{L"GPIO_9", N_GPIO_9},       //GPIO_9
+{L"GPIO_10", N_GPIO_10},     //GPIO_10
+{L"GPIO_11", N_GPIO_11},     //GPIO_11
+{L"GPIO_12", N_GPIO_12},     //GPIO_12
+{L"GPIO_13", N_GPIO_13},     //GPIO_13
+{L"GPIO_14", N_GPIO_14},     //GPIO_14
+{L"GPIO_15", N_GPIO_15},     //GPIO_15
+{L"GPIO_16", N_GPIO_16},     //GPIO_16
+{L"GPIO_17", N_GPIO_17},     //GPIO_17
+{L"GPIO_18", N_GPIO_18},     //GPIO_18
+{L"GPIO_19", N_GPIO_19},     //GPIO_19
+{L"GPIO_20", N_GPIO_20},     //GPIO_20
+{L"GPIO_21", N_GPIO_21},     //GPIO_21
+{L"GPIO_22", N_GPIO_22},     //GPIO_22
+{L"GPIO_23", N_GPIO_23},     //GPIO_23
+{L"GPIO_24", N_GPIO_24},     //GPIO_24
+{L"GPIO_25", N_GPIO_25},     //GPIO_25
+{L"GPIO_26", N_GPIO_26},     //GPIO_26
+{L"GPIO_27", N_GPIO_27},     //GPIO_27
+{L"GPIO_28", N_GPIO_28},     //GPIO_28
+{L"GPIO_29", N_GPIO_29},     //GPIO_29
+{L"GPIO_30", N_GPIO_30},     //GPIO_30
+{L"GPIO_31", N_GPIO_31},     //GPIO_31
+{L"GPIO_32", N_GPIO_32},     //GPIO_32
+{L"GPIO_33", N_GPIO_33},     //GPIO_33
+{L"GPIO_34", N_GPIO_34},     //PWM0
+{L"GPIO_35", N_GPIO_35},     //PWM1
+{L"GPIO_36", N_GPIO_36},     //PWM2
+{L"GPIO_37", N_GPIO_37},     //PWM3
+{L"GPIO_38", N_GPIO_38},     //LPSS_UART0_RXD
+{L"GPIO_39", N_GPIO_39},     //LPSS_UART0_TXD
+{L"GPIO_40", N_GPIO_40},     //LPSS_UART0_RTS_B
+{L"GPIO_41", N_GPIO_41},     //LPSS_UART0_CTS_B
+{L"GPIO_42", N_GPIO_42},     //LPSS_UART1_RXD
+{L"GPIO_43", N_GPIO_43},     //LPSS_UART1_TXD
+{L"GPIO_44", N_GPIO_44},     //LPSS_UART1_RTS_B
+{L"GPIO_45", N_GPIO_45},     //LPSS_UART1_CTS_B
+{L"GPIO_46", N_GPIO_46},     //LPSS_UART2_RXD
+{L"GPIO_47", N_GPIO_47},     //LPSS_UART2_TXD
+{L"GPIO_48", N_GPIO_48},     //LPSS_UART2_RTS_B
+{L"GPIO_49", N_GPIO_49},     //LPSS_UART2_CTS_B
+{L"GPIO_62", N_GPIO_62},     //GP_CAMERASB00
+{L"GPIO_63", N_GPIO_63},     //GP_CAMERASB01
+{L"GPIO_64", N_GPIO_64},     //GP_CAMERASB02
+{L"GPIO_65", N_GPIO_65},     //GP_CAMERASB03
+{L"GPIO_66", N_GPIO_66},     //GP_CAMERASB04
+{L"GPIO_67", N_GPIO_67},     //GP_CAMERASB05
+{L"GPIO_68", N_GPIO_68},     //GP_CAMERASB06
+{L"GPIO_69", N_GPIO_69},     //GP_CAMERASB07
+{L"GPIO_70", N_GPIO_70},     //GP_CAMERASB08
+{L"GPIO_71", N_GPIO_71},     //GP_CAMERASB09
+{L"GPIO_72", N_GPIO_72},     //GP_CAMERASB10
+{L"GPIO_73", N_GPIO_73},     //GP_CAMERASB11
+{L"TCK", N_TCK},             //TCK
+{L"TRST_B", N_TRST_B},       //TRST_B
+{L"TMS", N_TMS},             //TMS
+{L"TDI", N_TDI},                  //TDI
+{L"CX_PMODE", N_CX_PMODE},        //CX_PMODE
+{L"CX_PREQ_B", N_CX_PREQ_B},      //CX_PREQ_B
+{L"JTAGX", N_JTAGX},              //JTAGX
+{L"CXPRDY_B", N_CX_PRDY_B},       //CXPRDY_B
+{L"TDO", N_TDO},                  //TDO
+{L"GPIO_216", N_CNV_BRI_DT},      //CNV_BRI_DT
+{L"GPIO_217", N_CNV_BRI_RSP},     //CNV_BRI_RSP
+{L"GPIO_218", N_CNV_RGI_DT},      //CNV_RGI_DT
+{L"GPIO_219", N_CNV_RGI_RSP},     //CNV_RGI_RSP
+{L"SVID0_ALERT_B", N_SVID0_ALERT_B},  //SVID0_ALERT_B
+{L"SVID0_DATA", N_SVID0_DATA},        //SVID0_DATA
+{L"SVID0_CLK", N_SVID0_CLK},          //SVID0_CLK
+
+//
+// Northwest community GPIO pad definition
+//
+{L"GPIO_187", NW_GPIO_187},    //HV_DDI0_DDC_SDA
+{L"GPIO_188", NW_GPIO_188},    //HV_DDI0_DDC_SCL
+{L"GPIO_189", NW_GPIO_189},    //HV_DDI1_DDC_SDA
+{L"GPIO_190", NW_GPIO_190},    //HV_DDI1_DDC_SCL
+{L"GPIO_191", NW_GPIO_191},    //DBI_SDA
+{L"GPIO_192", NW_GPIO_192},    //DBI_SCL
+{L"GPIO_193", NW_GPIO_193},    //PANEL0_VDDEN
+{L"GPIO_194", NW_GPIO_194},    //PANEL0_BKLTEN
+{L"GPIO_195", NW_GPIO_195},    //PANEL0_BKLTCTL
+{L"GPIO_196", NW_GPIO_196},    //PANEL1_VDDEN
+{L"GPIO_197", NW_GPIO_197},    //PANEL1_BKLTEN
+{L"GPIO_198", NW_GPIO_198},    //PANEL1_BKLTCTL
+{L"GPIO_199", NW_GPIO_199},    //DBI_CSX
+{L"GPIO_200", NW_GPIO_200},    //DBI_RESX
+{L"GPIO_201", NW_GPIO_201},    //GP_INTD_DSI_TE1
+{L"GPIO_202", NW_GPIO_202},    //GP_INTD_DSI_TE2
+{L"GPIO_203", NW_GPIO_203},    //USB_OC0_B
+{L"GPIO_204", NW_GPIO_204},    //USB_OC1_B
+{L"PMC_SPI_FS0", NW_PMC_SPI_FS0},      //PMC_SPI_FS0
+{L"PMC_SPI_FS1", NW_PMC_SPI_FS1},      //PMC_SPI_FS1
+{L"PMC_SPI_FS2", NW_PMC_SPI_FS2},      //PMC_SPI_FS2
+{L"PMC_SPI_RXD", NW_PMC_SPI_RXD},      //PMC_SPI_RXD
+{L"PMC_SPI_TXD", NW_PMC_SPI_TXD},      //PMC_SPI_TXD
+{L"PMC_SPI_CLK", NW_PMC_SPI_CLK},      //PMC_SPI_CLK
+{L"PMIC_PWRGOOD", NW_PMIC_PWRGOOD},    //PMIC_PWRGOOD
+{L"PMIC_RESET_B", NW_PMIC_RESET_B},    //PMIC_RESET_B
+{L"GPIO_213", NW_GPIO_213},    //PMIC_SDWN_B
+{L"GPIO_214", NW_GPIO_214},    //PMIC_BCUDISW2
+{L"GPIO_215", NW_GPIO_215},    //PMIC_BCUDISCRIT
+{L"PMIC_THERMTRIP_B", NW_PMIC_THERMTRIP_B},    //PMIC_THERMTRIP_B
+{L"PMIC_STDBY", NW_PMIC_STDBY},    //PMIC_STDBY
+{L"PROCHOT_B", NW_PROCHOT_B},    //PROCHOT_B
+{L"PMIC_I2C_SCL", NW_PMIC_I2C_SCL},    //PMIC_I2C_SCL
+{L"PMIC_I2C_SDA", NW_PMIC_I2C_SDA},    //PMIC_I2C_SDA
+{L"GPIO_74", NW_GPIO_74},    //AVS_I2S1_MCLK
+{L"GPIO_75", NW_GPIO_75},    //AVS_I2S1_BCLK
+{L"GPIO_76", NW_GPIO_76},    //AVS_I2S1_WS_SYNC
+{L"GPIO_77", NW_GPIO_77},    //AVS_I2S1_SDI
+{L"GPIO_78", NW_GPIO_78},    //AVS_I2S1_SDO
+{L"GPIO_79", NW_GPIO_79},    //AVS_M_CLK_A1
+{L"GPIO_80", NW_GPIO_80},    //AVS_M_CLK_B1
+{L"GPIO_81", NW_GPIO_81},    //AVS_M_DATA_1
+{L"GPIO_82", NW_GPIO_82},    //AVS_M_CLK_AB2
+{L"GPIO_83", NW_GPIO_83},    //AVS_M_DATA_2
+{L"GPIO_84", NW_GPIO_84},    //AVS_I2S2_MCLK
+{L"GPIO_85", NW_GPIO_85},    //AVS_I2S2_BCLK
+{L"GPIO_86", NW_GPIO_86},    //AVS_I2S2_WS_SYNC
+{L"GPIO_87", NW_GPIO_87},    //AVS_I2S2_SDI
+{L"GPIO_88", NW_GPIO_88},    //AVS_I2S2_SDO
+{L"GPIO_89", NW_GPIO_89},    //AVS_I2S3_BCLK
+{L"GPIO_90", NW_GPIO_90},    //AVS_I2S3_WS_SYNC
+{L"GPIO_91", NW_GPIO_91},    //AVS_I2S3_SDI
+{L"GPIO_92", NW_GPIO_92},    //AVS_I2S3_SDO
+{L"GPIO_97", NW_GPIO_97},    //FST_SPI_CS0_B
+{L"GPIO_98", NW_GPIO_98},    //FST_SPI_CS1_B
+{L"GPIO_99", NW_GPIO_99},    //FST_SPI_MOSI_IO0
+{L"GPIO_100", NW_GPIO_100},    //FST_SPI_MISO_IO1
+{L"GPIO_101", NW_GPIO_101},    //FST_SPI_IO2
+{L"GPIO_102", NW_GPIO_102},    //FST_SPI_IO3
+{L"GPIO_103", NW_GPIO_103},    //FST_SPI_CLK
+{L"FST_SPI_CLK_FB", NW_FST_SPI_CLK_FB},    //FST_SPI_CLK_FB
+{L"GPIO_104", NW_GPIO_104},    //GP_SSP_0_CLK
+{L"GPIO_105", NW_GPIO_105},    //GP_SSP_0_FS0
+{L"GPIO_106", NW_GPIO_106},    //GP_SSP_0_FS1
+{L"GPIO_109", NW_GPIO_109},    //GP_SSP_0_RXD
+{L"GPIO_110", NW_GPIO_110},    //GP_SSP_0_TXD
+{L"GPIO_111", NW_GPIO_111},    //GP_SSP_1_CLK
+{L"GPIO_112", NW_GPIO_112},    //GP_SSP_1_FS0
+{L"GPIO_113", NW_GPIO_113},    //GP_SSP_1_FS1
+{L"GPIO_116", NW_GPIO_116},    //GP_SSP_1_RXD
+{L"GPIO_117", NW_GPIO_117},    //GP_SSP_1_TXD
+{L"GPIO_118", NW_GPIO_118},    //GP_SSP_2_CLK
+{L"GPIO_119", NW_GPIO_119},    //GP_SSP_2_FS0
+{L"GPIO_120", NW_GPIO_120},    //GP_SSP_2_FS1
+{L"GPIO_121", NW_GPIO_121},    //GP_SSP_2_FS2
+{L"GPIO_122", NW_GPIO_122},    //GP_SSP_2_RXD
+{L"GPIO_123", NW_GPIO_123},    //GP_SSP_2_TXD
+
+//
+// West community GPIO pad definition
+//
+{L"GPIO_124", W_GPIO_124},     //LPSS_I2S0_SDA
+{L"GPIO_125", W_GPIO_125},     //LPSS_I2S0_SCL
+{L"GPIO_126", W_GPIO_126},     //LPSS_I2S1_SDA
+{L"GPIO_127", W_GPIO_127},     //LPSS_I2S1_SCL
+{L"GPIO_128", W_GPIO_128},     //LPSS_I2S2_SDA
+{L"GPIO_129", W_GPIO_129},     //LPSS_I2S2_SCL
+{L"GPIO_130", W_GPIO_130},     //LPSS_I2S3_SDA
+{L"GPIO_131", W_GPIO_131},     //LPSS_I2S3_SCL
+{L"GPIO_132", W_GPIO_132},     //LPSS_I2S4_SDA
+{L"GPIO_133", W_GPIO_133},     //LPSS_I2S4_SCL
+{L"GPIO_134", W_GPIO_134},     //LPSS_I2S5_SDA
+{L"GPIO_135", W_GPIO_135},     //LPSS_I2S5_SCL
+{L"GPIO_136", W_GPIO_136},     //LPSS_I2S6_SDA
+{L"GPIO_137", W_GPIO_137},     //LPSS_I2S6_SCL
+{L"GPIO_138", W_GPIO_138},     //LPSS_I2S7_SDA
+{L"GPIO_139", W_GPIO_139},     //LPSS_I2S7_SCL
+{L"GPIO_146", W_GPIO_146},     //ISH_GPIO_0
+{L"GPIO_147", W_GPIO_147},     //ISH_GPIO_1
+{L"GPIO_148", W_GPIO_148},     //ISH_GPIO_2
+{L"GPIO_149", W_GPIO_149},     //ISH_GPIO_3
+{L"GPIO_150", W_GPIO_150},     //ISH_GPIO_4
+{L"GPIO_151", W_GPIO_151},     //ISH_GPIO_5
+{L"GPIO_152", W_GPIO_152},     //ISH_GPIO_6
+{L"GPIO_153", W_GPIO_153},     //ISH_GPIO_7
+{L"GPIO_154", W_GPIO_154},     //ISH_GPIO_8
+{L"GPIO_155", W_GPIO_155},     //ISH_GPIO_9
+{L"GPIO_209", W_GPIO_209},     //PCIE_CLKREQ0_B
+{L"GPIO_210", W_GPIO_210},     //PCIE_CLKREQ1_B
+{L"GPIO_211", W_GPIO_211},     //PCIE_CLKREQ2_B
+{L"GPIO_212", W_GPIO_212},     //PCIE_CLKREQ3_B
+{L"OSC_C{LK_OUT0", W_OSC_CLK_OUT_0},     //OSC_CLK_OUT0
+{L"OSC_C{LK_OUT1", W_OSC_CLK_OUT_1},     //OSC_CLK_OUT1
+{L"OSC_C{LK_OUT2", W_OSC_CLK_OUT_2},     //OSC_CLK_OUT2
+{L"OSC_C{LK_OUT3", W_OSC_CLK_OUT_3},     //OSC_CLK_OUT3
+{L"OSC_C{LK_OUT4", W_OSC_CLK_OUT_4},     //OSC_CLK_OUT4
+{L"PMU_AC_PRESENT", W_PMU_AC_PRESENT},   //PMU_AC_PRESENT
+{L"PMU_BAT{LOW_B", W_PMU_BATLOW_B},      //PMU_BATLOW_B
+{L"PMU_PLTRST_B", W_PMU_PLTRST_B},       //PMU_PLTRST_B
+{L"PMU_PWRBTN_B", W_PMU_PWRBTN_B},       //PMU_PWRBTN_B
+{L"PMU_RESETBUTTON_B", W_PMU_RESETBUTTON_B},     //PMU_RESETBUTTON_B
+{L"PMU_SLP_S0_B", W_PMU_SLP_S0_B},     //PMU_SLP_S0_B
+{L"PMU_SLP_S3_B", W_PMU_SLP_S3_B},     //PMU_SLP_S3_B
+{L"PMU_SLP_S4_B", W_PMU_SLP_S4_B},     //PMU_SLP_S4_B
+{L"PMU_SUSCLK", W_PMU_SUSCLK},     //PMU_SUSCLK
+{L"PMU_WAKE_B", W_PMU_WAKE_B},     //PMU_WAKE_B
+{L"SUS_STAT_B", W_SUS_STAT_B},     //SUS_STAT_B
+{L"SUSPWRDNACK", W_SUSPWRDNACK},     //SUSPWRDNACK
+
+//
+// Southwest community GPIO pad definition
+//
+{L"GPIO_205", SW_GPIO_205},    //PCIE_WAKE0_B
+{L"GPIO_206", SW_GPIO_206},    //PCIE_WAKE1_B
+{L"GPIO_207", SW_GPIO_207},    //PCIE_WAKE2_B
+{L"GPIO_208", SW_GPIO_208},    //PCIE_WAKE3_B
+{L"GPIO_156", SW_GPIO_156},    //EMMC0_CLK
+{L"GPIO_157", SW_GPIO_157},    //EMMC0_D0
+{L"GPIO_158", SW_GPIO_158},    //EMMC0_D1
+{L"GPIO_159", SW_GPIO_159},    //EMMC0_D2
+{L"GPIO_160", SW_GPIO_160},    //EMMC0_D3
+{L"GPIO_161", SW_GPIO_161},    //EMMC0_D4
+{L"GPIO_162", SW_GPIO_162},    //EMMC0_D5
+{L"GPIO_163", SW_GPIO_163},    //EMMC0_D6
+{L"GPIO_164", SW_GPIO_164},    //EMMC0_D7
+{L"GPIO_165", SW_GPIO_165},    //EMMC0_CMD0
+{L"GPIO_166", SW_GPIO_166},    //SDIO_CLK
+{L"GPIO_167", SW_GPIO_167},    //SDIO_D0
+{L"GPIO_168", SW_GPIO_168},    //SDIO_D1
+{L"GPIO_169", SW_GPIO_169},    //SDIO_D2
+{L"GPIO_170", SW_GPIO_170},    //SDIO_D3
+{L"GPIO_171", SW_GPIO_171},    //SDIO_CMD
+{L"GPIO_172", SW_GPIO_172},    //SDCARD_CLK
+{L"GPIO_179", SW_GPIO_179},    //SDCARD_CMD
+{L"GPIO_173", SW_GPIO_173},    //SDCARD_CLK_FB
+{L"GPIO_174", SW_GPIO_174},    //SDCARD_D0
+{L"GPIO_175", SW_GPIO_175},    //SDCARD_D1
+{L"GPIO_176", SW_GPIO_176},    //SDCARD_D2
+{L"GPIO_177", SW_GPIO_177},    //SDCARD_D3
+{L"GPIO_178", SW_GPIO_178},    //SDCARD_CD_B
+{L"GPIO_186", SW_GPIO_186},    //SDCARD_LVL_WP
+{L"GPIO_182", SW_GPIO_182},    //EMMC0_STROBE
+{L"GPIO_183", SW_GPIO_183},    //SDIO_PWR_DOWN_B
+{L"SMB_ALERTB", SW_SMB_ALERTB},    //SMB_ALERTB
+{L"SMB_CLK", SW_SMB_CLK},      //SMB_CLK
+{L"SMB_DATA", SW_SMB_DATA},    //SMB_DATA
+{L"LPC_ILB_SERIRQ", SW_LPC_ILB_SERIRQ},    //LPC_ILB_SERIRQ
+{L"LPC_CLKOUT0", SW_LPC_CLKOUT0},    //LPC_CLKOUT0
+{L"LPC_CLKOUT1", SW_LPC_CLKOUT1},    //LPC_CLKOUT1
+{L"LPC_AD0", SW_LPC_AD0},    //LPC_AD0
+{L"LPC_AD1", SW_LPC_AD1},    //LPC_AD1
+{L"LPC_AD2", SW_LPC_AD2},    //LPC_AD2
+{L"LPC_AD3", SW_LPC_AD3},    //LPC_AD3
+{L"LPC_CLKRUN", SW_LPC_CLKRUN},    //LPC_CLKRUN
+{L"LPC_FRAMEB", SW_LPC_FRAMEB}     //LPC_FRAMEB
+};
+
+#endif
+
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/PlatformGpio.c b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/PlatformGpio.c
new file mode 100644
index 0000000..02fbf15
--- /dev/null
+++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/PlatformGpio.c
@@ -0,0 +1,340 @@
+/** @file
+  Implementation for GPIO protocol.
+
+  Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "PlatformGpio.h"
+#include "GpioPadTable.h"
+
+EFI_HANDLE                    mHandle = NULL;
+
+EDKII_GPIO_PROTOCOL mGpioProtocol = {
+  GetMaxCount,
+  GetMode,
+  SetMode,
+  GetGpioDirection,
+  SetGpioDirection,
+  GetGpiLevel,
+  SetGpoLevel
+  };
+
+
+/**
+  Get Max GPIO count.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[out]  MaxCount              Max GPIO count
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+**/
+EFI_STATUS
+EFIAPI
+GetMaxCount (
+  IN EDKII_GPIO_PROTOCOL                *This,
+  OUT UINT32                            *MaxCount
+  )
+{
+  UINT8 Index;
+  *MaxCount = sizeof (mGpioPadTable)/sizeof (mGpioPadTable[0]);
+  DEBUG ((DEBUG_INFO, "Max PinNum is %d\n", *MaxCount));
+
+  for( Index =0; Index < *MaxCount; Index++ ) {
+    DEBUG ((DEBUG_INFO, "PinNum: %d,  PadName: %s\n", Index, mGpioPadTable[Index].pad_name));
+  }
+
+  return EFI_SUCCESS;
+}
+
+
+/**
+  Get Pad Mode.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @param[out]  PadMode               0: Function 0 (GPIO mode),
+                                     1: Function 1, 2: Function 2, 3: Function 3, 4: Function 4, 5: Function 5
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+EFI_STATUS
+EFIAPI
+GetMode (
+  IN EDKII_GPIO_PROTOCOL                *This,
+  IN UINT32                             PinNum,
+  OUT PAD_MODE                          *PadMode
+  )
+{
+  BXT_CONF_PAD0  PadConfig0;
+
+  if (PinNum>=sizeof (mGpioPadTable)/sizeof (mGpioPadTable[0])) {
+    DEBUG ((DEBUG_INFO, "PinNum out of range.\n"));
+    return EFI_UNSUPPORTED;
+  }
+
+  PadConfig0.padCnf0 = GpioPadRead (mGpioPadTable[PinNum].CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
+  *PadMode = PadConfig0.r.PMode;
+  DEBUG ((DEBUG_INFO, "Pad Mode is %x\n", *PadMode));
+  return EFI_SUCCESS;
+}
+
+
+/**
+  Set Pad Mode to Fn0/Fn1/Fn2/Fn3/Fn4/Fn5.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   GPIO_NAME             Target GPIO. 
+  @param[out]  PMode                 GPIO mode to set.
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+EFI_STATUS
+EFIAPI
+SetMode (
+  IN EDKII_GPIO_PROTOCOL                *This,
+  IN UINT32                             PinNum,
+  IN PAD_MODE                           PadMode
+  )
+{
+  BXT_CONF_PAD0  PadConfig0;
+  
+  if (PinNum>=sizeof (mGpioPadTable)/sizeof (mGpioPadTable[0])) {
+    DEBUG ((DEBUG_INFO, "PinNum out of range.\n"));
+    return EFI_UNSUPPORTED;
+  }
+
+  PadConfig0.padCnf0 = GpioPadRead (mGpioPadTable[PinNum].CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
+  PadConfig0.r.PMode = PadMode;
+  GpioPadWrite (mGpioPadTable[PinNum].CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, PadConfig0.padCnf0);
+
+  DEBUG ((DEBUG_INFO, "Set GPIO Mode to %x\n", PadMode));
+  return EFI_SUCCESS;
+}
+
+
+/**
+  Check GPIO direction.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @param[out]  GpioDirection
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+EFI_STATUS
+EFIAPI
+GetGpioDirection (
+  IN EDKII_GPIO_PROTOCOL                *This,
+  IN UINT32                             PinNum,
+  OUT GPIO_DIRECTION                    *GpioDirection
+  )
+{
+  BXT_CONF_PAD0  PadConfig0;
+
+  if (PinNum>=sizeof (mGpioPadTable)/sizeof (mGpioPadTable[0])) {
+    DEBUG ((DEBUG_INFO, "PinNum out of range.\n"));
+    return EFI_UNSUPPORTED;
+  }
+
+  DEBUG ((DEBUG_INFO, "CommAndOffset = 0x%08x, PadName = %s\n",mGpioPadTable[PinNum].CommAndOffset,mGpioPadTable[PinNum].pad_name));
+  //
+  // Check pad mode
+  //
+  PadConfig0.padCnf0 = GpioPadRead (mGpioPadTable[PinNum].CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
+
+  if (PadConfig0.r.PMode != M0) {
+    DEBUG ((DEBUG_INFO, "Not GPIO mode\n"));
+    return EFI_UNSUPPORTED;
+  } else {
+    DEBUG ((DEBUG_INFO, "GPIO mode."));
+    *GpioDirection = PadConfig0.r.GPIORxTxDis;
+    if (*GpioDirection == GpIn) {
+      DEBUG ((DEBUG_INFO, "Pad direction is GPI\n"));
+    } else if (*GpioDirection == GpOut) {
+      DEBUG ((DEBUG_INFO, "Pad direction is GPO\n"));
+    } else if (*GpioDirection == GpInOut) {
+      DEBUG ((DEBUG_INFO, "Pad direction is GPIO\n"));
+    } else {
+      return EFI_UNSUPPORTED;
+    }
+  }
+  return EFI_SUCCESS;
+}
+
+
+/**
+  Set GPIO direction to GPI/GPO/GPIO.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @Param[in]   GpioDirection
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+EFI_STATUS
+EFIAPI
+SetGpioDirection (
+  IN EDKII_GPIO_PROTOCOL              *This,
+  IN UINT32                           PinNum,
+  IN GPIO_DIRECTION                   GpioDirection
+  )
+{
+
+  BXT_CONF_PAD0  PadConfig0;
+
+  if (PinNum>=sizeof (mGpioPadTable)/sizeof (mGpioPadTable[0])) {
+    DEBUG ((DEBUG_INFO, "PinNum out of range.\n"));
+    return EFI_UNSUPPORTED;
+  }
+
+  PadConfig0.padCnf0 = GpioPadRead (mGpioPadTable[PinNum].CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
+  //
+  // Check pad mode
+  //
+  if (PadConfig0.r.PMode != M0) {
+    DEBUG ((DEBUG_INFO, "Not GPIO mode\n"));
+    return EFI_UNSUPPORTED;
+  }
+
+  PadConfig0.r.GPIORxTxDis = GpioDirection;   //Set to GPI/GPO/GPIO
+  GpioPadWrite (mGpioPadTable[PinNum].CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, PadConfig0.padCnf0);
+
+  PadConfig0.padCnf0 = GpioPadRead (mGpioPadTable[PinNum].CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
+  DEBUG ((DEBUG_INFO, "PAD_CONF0: 0x%08x\n", PadConfig0.padCnf0));
+
+  return EFI_SUCCESS;
+} 
+
+
+/**
+  Check GPIO direction, if it is GPI, get input value.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @param[out]  InputVal              GPIO Input value
+                                     0: InputLow, 1: InputHigh
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+EFI_STATUS
+EFIAPI
+GetGpiLevel (
+  IN EDKII_GPIO_PROTOCOL                *This,
+  IN UINT32                             PinNum,
+  OUT GPIO_LEVEL                        *GpiLevel
+  )
+{
+  BXT_CONF_PAD0  PadConfig0;
+
+  if (PinNum>=sizeof (mGpioPadTable)/sizeof (mGpioPadTable[0])) {
+    DEBUG ((DEBUG_INFO, "PinNum out of range.\n"));
+    return EFI_UNSUPPORTED;
+  }
+
+  PadConfig0.padCnf0 = GpioPadRead (mGpioPadTable[PinNum].CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
+  //
+  // Check pad mode
+  //
+  if (PadConfig0.r.PMode != M0) {
+    DEBUG ((DEBUG_INFO, "Not GPIO mode\n"));
+    return EFI_UNSUPPORTED;
+  }
+
+  if (PadConfig0.r.GPIORxTxDis == GPI) {
+    *GpiLevel = (PadConfig0.padCnf0 & 0x02) >> 1;
+    DEBUG ((DEBUG_INFO, "Pad direction is GPI, value is %x\n", *GpiLevel));
+  } else {
+    DEBUG ((DEBUG_INFO, "Not GPI. Return.\n"));
+    return EFI_UNSUPPORTED;
+  }
+
+  return EFI_SUCCESS;
+}
+
+
+/**
+  Check GPIO direction, if it is GPO, Set output value.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @param[in]   GpoState              GPO output value
+                                     0: Low, 1: High
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+EFI_STATUS
+EFIAPI
+SetGpoLevel (
+  IN EDKII_GPIO_PROTOCOL               *This,
+  IN UINT32                            PinNum,
+  IN GPIO_LEVEL                        GpoLevel
+  )
+{
+  BXT_CONF_PAD0  PadConfig0;
+
+  if (PinNum>=sizeof (mGpioPadTable)/sizeof (mGpioPadTable[0])) {
+    DEBUG ((DEBUG_INFO, "PinNum out of range.\n"));
+    return EFI_UNSUPPORTED;
+  }
+
+  PadConfig0.padCnf0 = GpioPadRead (mGpioPadTable[PinNum].CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
+  //
+  // Check pad mode
+  //
+  if (PadConfig0.r.PMode != M0) {
+    DEBUG ((DEBUG_INFO, "Not GPIO mode\n"));
+    return EFI_UNSUPPORTED;
+  }
+  if ( PadConfig0.r.GPIORxTxDis == GPO ) {
+    GpioSetOutputValue (mGpioPadTable[PinNum].CommAndOffset, GpoLevel);
+  } else {
+    DEBUG ((DEBUG_INFO, "Not GPO. Return.\n"));
+    return EFI_UNSUPPORTED;
+  }
+
+  PadConfig0.padCnf0 = GpioPadRead (mGpioPadTable[PinNum].CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
+  DEBUG ((DEBUG_INFO, "PAD_CONF0: 0x%08x\n", PadConfig0.padCnf0));
+  return EFI_SUCCESS;
+}
+
+
+/**
+  Entry point of GPIO protocol.
+
+  @param[in]  ImageHandle             Handle for this drivers loaded image protocol.
+  @param[in]  SystemTable             EFI system table.
+
+  @retval     EFI_SUCCESS             Succesfully installed GpioProtocol driver.
+  @retval     other                   Errors occured.
+
+**/
+EFI_STATUS
+EFIAPI
+PlatformGpioConfigEntryPoint (
+  IN EFI_HANDLE           ImageHandle,
+  IN EFI_SYSTEM_TABLE     *SystemTable
+  )
+{
+  return  gBS->InstallProtocolInterface (
+                 &mHandle,
+                 &gEdkiiGpioProtocolGuid,
+                 EFI_NATIVE_INTERFACE,
+                 &mGpioProtocol
+                 );
+}
+
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/PlatformGpio.h b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/PlatformGpio.h
new file mode 100644
index 0000000..546e91f
--- /dev/null
+++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/PlatformGpio.h
@@ -0,0 +1,152 @@
+/** @file
+  Internal header file for GPIO protocol.
+
+  Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+
+#include <Protocol/GpioProtocol.h>
+
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/GpioLib.h>
+
+
+/**
+  Get Max GPIO count.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[out]  MaxCount              Max GPIO count
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+**/
+EFI_STATUS
+EFIAPI
+GetMaxCount (
+  IN EDKII_GPIO_PROTOCOL                *This,
+  OUT UINT32                            *MaxCount
+  );
+
+/**
+  Get Pad Mode.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @param[out]  PadMode               0: Function 0 (GPIO mode),
+                                     1: Function 1, 2: Function 2, 3: Function 3, 4: Function 4, 5: Function 5
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+EFI_STATUS
+EFIAPI
+GetMode (
+  IN EDKII_GPIO_PROTOCOL                *This,
+  IN UINT32                             PinNum,
+  OUT PAD_MODE                          *PadMode
+  );
+
+/**
+  Set Pad Mode to Fn0/Fn1/Fn2/Fn3/Fn4/Fn5.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   GPIO_NAME             Target GPIO. 
+  @param[out]  PMode                 GPIO mode to set.
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+EFI_STATUS
+EFIAPI
+SetMode (
+  IN EDKII_GPIO_PROTOCOL                *This,
+  IN UINT32                             PinNum,
+  IN PAD_MODE                           PadMode
+  );
+
+/**
+  Check GPIO direction.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @param[out]  GpioDirection         
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+EFI_STATUS
+EFIAPI
+GetGpioDirection (
+  IN EDKII_GPIO_PROTOCOL                *This,
+  IN UINT32                             PinNum,
+  OUT GPIO_DIRECTION                    *GpioDirection
+  );
+
+/**
+  Set GPIO direction to GPI/GPO/GPIO.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @Param[in]   GpioDirection         
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+EFI_STATUS
+EFIAPI
+SetGpioDirection (
+  IN EDKII_GPIO_PROTOCOL                *This,
+  IN UINT32                             PinNum,
+  IN GPIO_DIRECTION                     GpioDirection
+  );
+
+/**
+  Check GPIO direction, if it is GPI, get input value.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @param[out]  InputVal              GPIO Input value
+                                     0: InputLow, 1: InputHigh
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+EFI_STATUS
+EFIAPI
+GetGpiLevel (
+  IN EDKII_GPIO_PROTOCOL                *This,
+  IN UINT32                             PinNum,
+  OUT GPIO_LEVEL                        *GpiLevel
+  );
+
+/**
+  Check GPIO direction, if it is GPO, Set output value.
+
+  @param[in]   This                  A pointer to the EDKII_GPIO_PROTOCOL instance.
+  @param[in]   PinNum                Target GPIO.
+  @param[in]   GpoState              GPO output value
+                                     0: Low, 1: High
+
+  @retval      EFI_SUCCESS           The operation succeeded.
+  @retval      EFI_UNSUPPORTED       This function is not supported.
+**/
+EFI_STATUS
+EFIAPI
+SetGpoLevel (
+  IN EDKII_GPIO_PROTOCOL               *This,
+  IN UINT32                            PinNum,
+  IN GPIO_LEVEL                        GpoLevel
+  );
+
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/PlatformGpio.inf b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/PlatformGpio.inf
new file mode 100644
index 0000000..a24907c
--- /dev/null
+++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformGpio/PlatformGpio.inf
@@ -0,0 +1,52 @@
+## @file
+#  Component description file for Gpio protocol.
+#
+#  Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+#
+#  This program and the accompanying materials
+#  are licensed and made available under the terms and conditions of the BSD License
+#  which accompanies this distribution. The full text of the license may be found at
+#  http://opensource.org/licenses/bsd-license.php
+#
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = PlatformGpio
+  FILE_GUID                      = F6160CDD-5B92-4324-B83C-0208A5592CC5
+  MODULE_TYPE                    = DXE_DRIVER
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = PlatformGpioConfigEntryPoint
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC
+#
+
+[Sources]
+  PlatformGpio.c
+  PlatformGpio.h
+
+[Packages]
+  MdePkg/MdePkg.dec
+  BroxtonSiPkg/BroxtonSiPkg.dec
+  BroxtonPlatformPkg/PlatformPkg.dec
+
+[LibraryClasses]
+  PcdLib
+  UefiRuntimeServicesTableLib
+  UefiBootServicesTableLib
+  UefiDriverEntryPoint
+  DebugLib
+  BaseLib
+  GpioLib
+
+[Protocols]
+  gEdkiiGpioProtocolGuid                # PROTOCOL ALWAYS_PRODUCED
+
+[Depex]
+  TRUE
diff --git a/Platform/BroxtonPlatformPkg/PlatformDsc/Components.dsc b/Platform/BroxtonPlatformPkg/PlatformDsc/Components.dsc
index 7ac8da8..6bb2a77 100644
--- a/Platform/BroxtonPlatformPkg/PlatformDsc/Components.dsc
+++ b/Platform/BroxtonPlatformPkg/PlatformDsc/Components.dsc
@@ -209,6 +209,7 @@
 
   $(PLATFORM_PACKAGE_COMMON)/DptfDxe/DptfDxe.inf
   $(PLATFORM_PACKAGE_COMMON)/PnpDxe/PnpDxe.inf
+  $(PLATFORM_PACKAGE_COMMON)/PlatformSettings/PlatformGpio/PlatformGpio.inf
 
 !if $(SEC_ENABLE) == TRUE
   $(PLATFORM_PACKAGE_COMMON)/SeCPolicyInitDxe/SeCPolicyInitDxe.inf
diff --git a/Platform/BroxtonPlatformPkg/PlatformPkg.dec b/Platform/BroxtonPlatformPkg/PlatformPkg.dec
index 13eb5f9..b318b58 100644
--- a/Platform/BroxtonPlatformPkg/PlatformPkg.dec
+++ b/Platform/BroxtonPlatformPkg/PlatformPkg.dec
@@ -3,7 +3,7 @@
 #
 #  This package provides platform specific modules.
 #
-#  Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>
 #
 #  This program and the accompanying materials
 #  are licensed and made available under the terms and conditions of the BSD License
@@ -151,6 +151,8 @@
   gEfiTrEEPlatformProtocolGuid                = { 0x77ef4b99, 0x1186, 0x48ab, { 0x9d, 0x0b, 0x0b, 0x78, 0x12, 0xe5, 0xe6, 0xab }}
   gLegacyUsbProtocolGuid                      = { 0x2ad8e2d2, 0x2e91, 0x4cd1, { 0x95, 0xf5, 0xe7, 0x8f, 0xe5, 0xeb, 0xe3, 0x16 }}
 
+  gEdkiiGpioProtocolGuid                  = { 0x239a4037, 0x5231, 0x44d6, {0xa2, 0xab, 0x51, 0x74, 0xcd, 0x81, 0xff, 0x85 }}
+
 [PcdsDynamic,PcdsDynamicEx]   # 0x00000000
   gMinnowModuleTokenSpaceGuid.PcdMinnowBoardDetectionRun|FALSE|BOOLEAN|0x00000001
   gMinnowModuleTokenSpaceGuid.PcdMinnowBoardDetected|FALSE|BOOLEAN|0x00000002
diff --git a/Platform/BroxtonPlatformPkg/PlatformPkg.fdf b/Platform/BroxtonPlatformPkg/PlatformPkg.fdf
index ac09ac3..4324f4f 100644
--- a/Platform/BroxtonPlatformPkg/PlatformPkg.fdf
+++ b/Platform/BroxtonPlatformPkg/PlatformPkg.fdf
@@ -576,6 +576,7 @@ APRIORI DXE {
 }
 
   INF $(PLATFORM_PACKAGE_COMMON)/PnpDxe/PnpDxe.inf
+  INF $(PLATFORM_PACKAGE_COMMON)/PlatformSettings/PlatformGpio/PlatformGpio.inf
 
   #
   # Secure Boot
-- 
2.10.1.windows.1



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2017-07-03  8:31 [Patch][edk2-platforms/devel-MinnowBoard3-UDK2017] Add GPIO Protocol Guo, Mang

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