gpio.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <acpi/acpi.h>
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <types.h>
#include <vendorcode/google/chromeos/chromeos.h>
 
/*
 * Pad configuration in ramstage. The order largely follows the 'GPIO Muxing'
 * table found in EDS vol 1, but some pins aren't grouped functionally in
 * the table so those were moved for more logical grouping.
 */
static const struct pad_config gpio_table[] = {
        /* PCIE_WAKE[0:3]_N */
        PAD_CFG_GPI_SCI_LOW(GPIO_205, UP_20K, DEEP, EDGE_SINGLE), /* WLAN */
        PAD_CFG_GPI(GPIO_206, UP_20K, DEEP),     /* Unused */
        PAD_CFG_GPI(GPIO_207, UP_20K, DEEP),     /* Unused */
        PAD_CFG_GPI(GPIO_208, UP_20K, DEEP),     /* Unused */
 
        /* EMMC interface */
        PAD_CFG_NF(GPIO_156, DN_20K, DEEP, NF1), /* EMMC_CLK */
        PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_157, UP_20K, DEEP, NF1, HIZCRx1, DISPUPD), /* EMMC_D0 */
        PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_158, UP_20K, DEEP, NF1, HIZCRx1, DISPUPD), /* EMMC_D1 */
        PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_159, UP_20K, DEEP, NF1, HIZCRx1, DISPUPD), /* EMMC_D2 */
        PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_160, UP_20K, DEEP, NF1, HIZCRx1, DISPUPD), /* EMMC_D3 */
        PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_161, UP_20K, DEEP, NF1, HIZCRx1, DISPUPD), /* EMMC_D4 */
        PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_162, UP_20K, DEEP, NF1, HIZCRx1, DISPUPD), /* EMMC_D5 */
        PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_163, UP_20K, DEEP, NF1, HIZCRx1, DISPUPD), /* EMMC_D6 */
        PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_164, UP_20K, DEEP, NF1, HIZCRx1, DISPUPD), /* EMMC_D7 */
        PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_165, UP_20K, DEEP, NF1, HIZCRx1, DISPUPD), /* EMMC_CMD */
        PAD_CFG_NF(GPIO_182, DN_20K, DEEP, NF1), /* EMMC_RCLK */
 
        /* SDIO -- unused. */
        PAD_CFG_GPI(GPIO_166, UP_20K, DEEP),     /* SDIO_CLK */
        PAD_CFG_GPI(GPIO_167, UP_20K, DEEP),     /* SDIO_D0 */
        /* Configure SDIO to enable power gating */
        PAD_CFG_NF(GPIO_168, UP_20K, DEEP, NF1),        /* SDIO_D1 */
        PAD_CFG_GPI(GPIO_169, UP_20K, DEEP),     /* SDIO_D2 */
        PAD_CFG_GPI(GPIO_170, UP_20K, DEEP),     /* SDIO_D3 */
        PAD_CFG_GPI(GPIO_171, UP_20K, DEEP),     /* SDIO_CMD */
 
        /* SDCARD */
        /* Pull down clock by 20K */
        PAD_CFG_NF(GPIO_172, DN_20K, DEEP, NF1), /* SDCARD_CLK */
        PAD_CFG_NF(GPIO_173, UP_20K, DEEP, NF1), /* SDCARD_D0 */
        PAD_CFG_NF(GPIO_174, UP_20K, DEEP, NF1), /* SDCARD_D1 */
        PAD_CFG_NF(GPIO_175, UP_20K, DEEP, NF1), /* SDCARD_D2 */
        PAD_CFG_NF(GPIO_176, UP_20K, DEEP, NF1), /* SDCARD_D3 */
        /* Card detect is active LOW with external pull up. */
        PAD_CFG_NF(GPIO_177, NONE, DEEP, NF1), /* SDCARD_CD_N */
        PAD_CFG_NF(GPIO_178, UP_20K, DEEP, NF1), /* SDCARD_CMD */
        /* CLK feedback, internal signal, needs 20K pull down */
        PAD_CFG_NF(GPIO_179, DN_20K, DEEP, NF1), /* SDCARD_CLK_FB */
        /* No h/w write proect for uSD cards, pull down by 20K */
        PAD_CFG_NF(GPIO_186, DN_20K, DEEP, NF1), /* SDCARD_LVL_WP */
        /* EN_SD_SOCKET_PWR_L for SD slot power control. Default on. */
        PAD_CFG_GPO(GPIO_183, 0, DEEP),          /* SDIO_PWR_DOWN_N */
 
        /* SMBus -- unused. */
        PAD_CFG_GPI(SMB_ALERTB, UP_20K, DEEP),   /* SMB_ALERT _N */
        PAD_CFG_GPI(SMB_CLK, UP_20K, DEEP),      /* SMB_CLK */
        PAD_CFG_GPI(SMB_DATA, UP_20K, DEEP),     /* SMB_DATA */
 
        /*
         * LPC
         * Note: It's unconfirmed if this redundancy to the bootblock table is necessary.
         */
        PAD_CFG_NF(LPC_ILB_SERIRQ, UP_20K, DEEP, NF1), /* LPC_SERIRQ */
        PAD_CFG_NF(LPC_CLKOUT0, NONE, DEEP, NF1), /* LPC_CLKOUT0 */
        PAD_CFG_GPI(LPC_CLKOUT1, UP_20K, DEEP),  /* LPC_CLKOUT1 -- unused */
        PAD_CFG_NF(LPC_AD0, UP_20K, DEEP, NF1),  /* LPC_AD0 */
        PAD_CFG_NF(LPC_AD1, UP_20K, DEEP, NF1),  /* LPC_AD1 */
        PAD_CFG_NF(LPC_AD2, UP_20K, DEEP, NF1),  /* LPC_AD2 */
        PAD_CFG_NF(LPC_AD3, UP_20K, DEEP, NF1),  /* LPC_AD3 */
        PAD_CFG_NF(LPC_CLKRUNB, UP_20K, DEEP, NF1), /* LPC_CLKRUN_N */
        PAD_CFG_NF(LPC_FRAMEB, NATIVE, DEEP, NF1), /* LPC_FRAME_N */
 
        /* I2C0 - Audio */
        PAD_CFG_NF(GPIO_124, UP_2K, DEEP, NF1), /* LPSS_I2C0_SDA */
        PAD_CFG_NF(GPIO_125, UP_2K, DEEP, NF1), /* LPSS_I2C0_SCL */
 
        /* I2C1 - NFC with external pulls */
        PAD_CFG_NF(GPIO_126, NONE, DEEP, NF1), /* LPSS_I2C1_SDA */
        PAD_CFG_NF(GPIO_127, NONE, DEEP, NF1), /* LPSS_I2C1_SCL */
 
        /* I2C2 - TPM  */
        PAD_CFG_NF(GPIO_128, UP_2K, DEEP, NF1), /* LPSS_I2C2_SDA */
        PAD_CFG_NF(GPIO_129, UP_2K, DEEP, NF1), /* LPSS_I2C2_SCL */
 
        /* I2C3 - touch */
        PAD_CFG_NF(GPIO_130, UP_2K, DEEP, NF1), /* LPSS_I2C3_SDA */
        PAD_CFG_NF(GPIO_131, UP_2K, DEEP, NF1), /* LPSS_I2C3_SCL */
 
        /* I2C4 - trackpad */
        /* LPSS_I2C4_SDA */
        PAD_CFG_NF_IOSSTATE(GPIO_132, UP_2K, DEEP, NF1, HIZCRx1),
        /* LPSS_I2C4_SCL */
        PAD_CFG_NF_IOSSTATE(GPIO_133, UP_2K, DEEP, NF1, HIZCRx1),
 
        /* I2C5 -- pen with external pulls  */
        PAD_CFG_NF(GPIO_134, NONE, DEEP, NF1), /* LPSS_I2C5_SDA */
        PAD_CFG_NF(GPIO_135, NONE, DEEP, NF1), /* LPSS_I2C5_SCL */
 
        /* I2C6-7 -- unused. */
        PAD_CFG_GPI(GPIO_136, UP_20K, DEEP),     /* LPSS_I2C6_SDA */
        PAD_CFG_GPI(GPIO_137, UP_20K, DEEP),     /* LPSS_I2C6_SCL */
        PAD_CFG_GPI(GPIO_138, UP_20K, DEEP),     /* LPSS_I2C7_SDA */
        PAD_CFG_GPI(GPIO_139, UP_20K, DEEP),     /* LPSS_I2C7_SCL */
 
        /* Audio Amp - I2S6 */
        PAD_CFG_NF(GPIO_146, NATIVE, DEEP, NF2), /* ISH_GPIO_0 - I2S6_BCLK */
        PAD_CFG_NF(GPIO_147, NATIVE, DEEP, NF2), /* ISH_GPIO_1 - I2S6_WS_SYNC */
        PAD_CFG_GPI(GPIO_148, UP_20K, DEEP),     /* ISH_GPIO_2 - unused */
        PAD_CFG_NF(GPIO_149, NATIVE, DEEP, NF2), /* ISH_GPIO_3 - I2S6_SDO */
 
        /* NFC Reset */
        PAD_CFG_GPO(GPIO_150, 1, DEEP),          /* ISH_GPIO_4 */
 
        PAD_CFG_GPI(GPIO_151, UP_20K, DEEP),     /* ISH_GPIO_5 - unused */
 
        /* Touch enable */
        PAD_CFG_GPO(GPIO_152, 1, DEEP),          /* ISH_GPIO_6 */
 
        PAD_CFG_GPI(GPIO_153, UP_20K, DEEP),     /* ISH_GPIO_7 - unused */
        PAD_CFG_GPI(GPIO_154, UP_20K, DEEP),     /* ISH_GPIO_8 - unused */
        PAD_CFG_GPI(GPIO_155, UP_20K, DEEP),     /* ISH_GPIO_9 - unused */
 
        /* PCIE_CLKREQ[0:3]_N */
        PAD_CFG_NF(GPIO_209, NONE, DEEP, NF1),   /* WLAN with external pull */
        PAD_CFG_GPI(GPIO_210, UP_20K, DEEP),     /* unused */
        PAD_CFG_GPI(GPIO_211, UP_20K, DEEP),     /* unused */
        PAD_CFG_GPI(GPIO_212, UP_20K, DEEP),     /* unused */
 
        /* OSC_CLK_OUT_[0:4] -- unused */
        PAD_CFG_GPI(OSC_CLK_OUT_0, UP_20K, DEEP),
        PAD_CFG_GPI(OSC_CLK_OUT_1, UP_20K, DEEP),
        PAD_CFG_GPI(OSC_CLK_OUT_2, UP_20K, DEEP),
        PAD_CFG_GPI(OSC_CLK_OUT_3, UP_20K, DEEP),
        PAD_CFG_GPI(OSC_CLK_OUT_4, UP_20K, DEEP),
 
        /* PMU Signals */
        PAD_CFG_GPI(PMU_AC_PRESENT, UP_20K, DEEP), /* PMU_AC_PRESENT - unused */
        PAD_CFG_NF(PMU_BATLOW_B, UP_20K, DEEP, NF1), /* PMU_BATLOW_N */
        PAD_CFG_NF(PMU_PLTRST_B, NONE, DEEP, NF1), /* PMU_PLTRST_N */
        PAD_CFG_NF(PMU_PWRBTN_B, UP_20K, DEEP, NF1), /* PMU_PWRBTN_N */
        PAD_CFG_NF(PMU_RESETBUTTON_B, NONE, DEEP, NF1), /* PMU_RSTBTN_N */
        PAD_CFG_NF_IOSSTATE(PMU_SLP_S0_B, NONE, DEEP, NF1, IGNORE), /* PMU_SLP_S0_N */
        PAD_CFG_NF(PMU_SLP_S3_B, NONE, DEEP, NF1), /* PMU_SLP_S3_N */
        PAD_CFG_NF(PMU_SLP_S4_B, NONE, DEEP, NF1), /* PMU_SLP_S4_N */
        PAD_CFG_NF(PMU_SUSCLK, NONE, DEEP, NF1), /* PMU_SUSCLK */
        PAD_CFG_GPO(PMU_WAKE_B, 1, DEEP),        /* EN_PP3300_EMMC */
        PAD_CFG_NF(SUS_STAT_B, NONE, DEEP, NF1), /* SUS_STAT_N */
        PAD_CFG_NF(SUSPWRDNACK, NONE, DEEP, NF1), /* SUSPWRDNACK */
 
        /* DDI[0:1] SDA and SCL -- unused */
        PAD_CFG_GPI(GPIO_187, UP_20K, DEEP),     /* HV_DDI0_DDC_SDA */
        PAD_CFG_GPI(GPIO_188, UP_20K, DEEP),     /* HV_DDI0_DDC_SCL */
        PAD_CFG_GPI(GPIO_189, UP_20K, DEEP),     /* HV_DDI1_DDC_SDA */
        PAD_CFG_GPI(GPIO_190, UP_20K, DEEP),     /* HV_DDI1_DDC_SCL */
 
        /* MIPI I2C -- unused */
        PAD_CFG_GPI(GPIO_191, UP_20K, DEEP),     /* MIPI_I2C_SDA */
        PAD_CFG_GPI(GPIO_192, UP_20K, DEEP),     /* MIPI_I2C_SCL */
 
        /* Panel 0 control */
        PAD_CFG_NF(GPIO_193, NATIVE, DEEP, NF1), /* PNL0_VDDEN */
        PAD_CFG_NF(GPIO_194, NATIVE, DEEP, NF1), /* PNL0_BKLTEN */
        PAD_CFG_NF(GPIO_195, NATIVE, DEEP, NF1), /* PNL0_BKLTCTL */
 
        /* Panel 1 control -- unused */
        PAD_CFG_NF(GPIO_196, NATIVE, DEEP, NF1), /* PNL1_VDDEN */
        PAD_CFG_NF(GPIO_197, NATIVE, DEEP, NF1), /* PNL1_BKLTEN */
        PAD_CFG_NF(GPIO_198, NATIVE, DEEP, NF1), /* PNL1_BKLTCTL */
 
        /* Hot plug detect. */
        PAD_CFG_NF(GPIO_199, UP_20K, DEEP, NF2), /* HV_DDI1_HPD */
        PAD_CFG_NF(GPIO_200, UP_20K, DEEP, NF2), /* HV_DDI0_HPD */
 
        /* MDSI signals -- unused */
        PAD_CFG_GPI(GPIO_201, UP_20K, DEEP),     /* MDSI_A_TE */
        PAD_CFG_GPI(GPIO_202, UP_20K, DEEP),     /* MDSI_A_TE */
 
        /* USB overcurrent pins. */
        PAD_CFG_NF(GPIO_203, UP_20K, DEEP, NF1), /* USB_OC0_N */
        PAD_CFG_NF(GPIO_204, UP_20K, DEEP, NF1), /* USB_OC1_N */
 
        /* PMC SPI -- almost entirely unused */
        PAD_CFG_GPI(PMC_SPI_FS0, UP_20K, DEEP),
        PAD_CFG_NF(PMC_SPI_FS1, UP_20K, DEEP, NF2), /* HV_DDI2_HPD -- EDP HPD */
        PAD_CFG_GPI(PMC_SPI_FS2, UP_20K, DEEP),
        PAD_CFG_GPI(PMC_SPI_RXD, UP_20K, DEEP),
        PAD_CFG_GPI(PMC_SPI_TXD, UP_20K, DEEP),
        PAD_CFG_GPI(PMC_SPI_CLK, UP_20K, DEEP),
 
        /* PMIC Signals Unused signals related to an old PMIC interface */
        PAD_CFG_NF_IOSSTATE(PMIC_RESET_B, NATIVE, DEEP, NF1, IGNORE), /* PMIC_RESET_B */
        PAD_CFG_GPI(GPIO_213, NONE, DEEP),       /* unused external pull */
        PAD_CFG_GPI(GPIO_214, UP_20K, DEEP),     /* unused */
        PAD_CFG_GPI(GPIO_215, UP_20K, DEEP),     /* unused */
        PAD_CFG_NF(PMIC_THERMTRIP_B, UP_20K, DEEP, NF1), /* THERMTRIP_N */
        PAD_CFG_GPI(PMIC_STDBY, UP_20K, DEEP),   /* unused */
        PAD_CFG_NF(PROCHOT_B, UP_20K, DEEP, NF1), /* PROCHOT_N */
        PAD_CFG_NF(PMIC_I2C_SCL, UP_1K, DEEP, NF1), /* PMIC_I2C_SCL */
        PAD_CFG_NF(PMIC_I2C_SDA, UP_1K, DEEP, NF1), /* PMIC_I2C_SDA */
 
        /* I2S1 -- largely unused */
        PAD_CFG_GPI(GPIO_74, UP_20K, DEEP),     /* I2S1_MCLK */
        PAD_CFG_GPI(GPIO_75, UP_20K, DEEP),     /* I2S1_BCLK -- PCH_WP */
        PAD_CFG_GPO(GPIO_76, 0, DEEP),          /* I2S1_WS_SYNC -- SPK_PA_EN */
        PAD_CFG_GPI(GPIO_77, UP_20K, DEEP),     /* I2S1_SDI */
        PAD_CFG_GPO(GPIO_78, 1, DEEP),          /* I2S1_SDO -- EN_PP3300_DX_LTE_SOC */
 
        /* DMIC or I2S4 */
        /* AVS_DMIC_CLK_A1 */
        PAD_CFG_NF_IOSSTATE(GPIO_79, NATIVE, DEEP, NF1, IGNORE),
        PAD_CFG_NF(GPIO_80, NATIVE, DEEP, NF1), /* AVS_DMIC_CLK_B1 */
        PAD_CFG_NF(GPIO_81, NATIVE, DEEP, NF1), /* AVS_DMIC_DATA_1 */
        PAD_CFG_GPI(GPIO_82, DN_20K, DEEP),      /* unused -- strap */
        PAD_CFG_NF(GPIO_83, NATIVE, DEEP, NF1), /* AVS_DMIC_DATA_2 */
 
        /* I2S2 -- Headset amp */
        PAD_CFG_NF(GPIO_84, NATIVE, DEEP, NF1),  /* AVS_I2S2_MCLK */
        PAD_CFG_NF(GPIO_85, NATIVE, DEEP, NF1),  /* AVS_I2S2_BCLK */
        PAD_CFG_NF(GPIO_86, NATIVE, DEEP, NF1),  /* AVS_I2S2_SW_SYNC */
        PAD_CFG_NF(GPIO_87, NATIVE, DEEP, NF1),  /* AVS_I2S2_SDI */
        PAD_CFG_NF(GPIO_88, NATIVE, DEEP, NF1),  /* AVS_I2S2_SDO */
 
        /* I2S3 -- largely unused. */
        PAD_CFG_GPI(GPIO_89, UP_20K, DEEP),      /* unused */
        PAD_CFG_GPI(GPIO_90, UP_20K, DEEP),      /* GPS_HOST_WAKE */
        PAD_CFG_GPO(GPIO_91, 1, DEEP),           /* GPS_EN */
        PAD_CFG_GPI(GPIO_92, DN_20K, DEEP),      /* unused -- strap */
 
        /* Fast SPI */
        PAD_CFG_NF_IOSSTATE(GPIO_97, NATIVE, DEEP, NF1, IGNORE),        /* FST_SPI_CS0_B */
        PAD_CFG_GPI(GPIO_98, UP_20K, DEEP),                             /* FST_SPI_CS1_B -- unused */
        PAD_CFG_NF_IOSSTATE(GPIO_99, NATIVE, DEEP, NF1, IGNORE),        /* FST_SPI_MOSI_IO0 */
        PAD_CFG_NF_IOSSTATE(GPIO_100, NATIVE, DEEP, NF1, IGNORE),       /* FST_SPI_MISO_IO1 */
        PAD_CFG_GPI(GPIO_101, NONE, DEEP),                              /* FST_IO2 -- MEM_CONFIG0 */
        PAD_CFG_GPI(GPIO_102, NONE, DEEP),                              /* FST_IO3 -- MEM_CONFIG1 */
        PAD_CFG_NF_IOSSTATE(GPIO_103, NATIVE, DEEP, NF1, IGNORE),       /* FST_SPI_CLK */
        PAD_CFG_NF_IOSSTATE(FST_SPI_CLK_FB, NATIVE, DEEP, NF1, IGNORE), /* FST_SPI_CLK_FB */
        PAD_CFG_NF_IOSSTATE(GPIO_106, NATIVE, DEEP, NF3, IGNORE),       /* FST_SPI_CS2_N */
 
        /* SIO_SPI_0 - Used for FP */
        PAD_CFG_NF(GPIO_104, NATIVE, DEEP, NF1),                        /* SIO_SPI_0_CLK */
        PAD_CFG_NF(GPIO_105, NATIVE, DEEP, NF1),                        /* SIO_SPI_0_FS0 */
        PAD_CFG_NF(GPIO_109, NATIVE, DEEP, NF1),                        /* SIO_SPI_0_RXD */
        PAD_CFG_NF(GPIO_110, NATIVE, DEEP, NF1),                        /* SIO_SPI_0_TXD */
 
        /* SIO_SPI_1 -- largely unused */
        PAD_CFG_GPI(GPIO_111, UP_20K, DEEP),     /* SIO_SPI_1_CLK */
        PAD_CFG_GPI(GPIO_112, UP_20K, DEEP),     /* SIO_SPI_1_FS0 */
        PAD_CFG_GPI(GPIO_113, UP_20K, DEEP),     /* SIO_SPI_1_FS1 */
        /* Headset interrupt */
        PAD_CFG_GPI_APIC_LOW(GPIO_116, NONE, DEEP), /* SIO_SPI_1_RXD */
        PAD_CFG_GPI(GPIO_117, UP_20K, DEEP),     /* SIO_SPI_1_TXD */
 
        /* SIO_SPI_2 -- unused */
        PAD_CFG_GPI(GPIO_118, UP_20K, DEEP),     /* SIO_SPI_2_CLK */
        PAD_CFG_GPI(GPIO_119, UP_20K, DEEP),     /* SIO_SPI_2_FS0 */
        PAD_CFG_GPI(GPIO_120, UP_20K, DEEP),     /* SIO_SPI_2_FS1 */
        PAD_CFG_GPI(GPIO_121, UP_20K, DEEP),     /* SIO_SPI_2_FS2 */
        /* WLAN_PE_RST - default to deasserted. */
        PAD_CFG_GPO(GPIO_122, 0, DEEP),          /* SIO_SPI_2_RXD */
        PAD_CFG_GPI(GPIO_123, UP_20K, DEEP),     /* SIO_SPI_2_TXD */
 
        /* Debug tracing. */
        PAD_CFG_GPI(GPIO_0, UP_20K, DEEP),
        PAD_CFG_GPI(GPIO_1, UP_20K, DEEP),
        PAD_CFG_GPI(GPIO_2, UP_20K, DEEP),
        PAD_CFG_GPI_SCI_HIGH(GPIO_3, DN_20K, DEEP, LEVEL),       /* FP_INT */
        PAD_CFG_GPI(GPIO_4, UP_20K, DEEP),
        PAD_CFG_GPI(GPIO_5, UP_20K, DEEP),
        PAD_CFG_GPI(GPIO_6, UP_20K, DEEP),
        PAD_CFG_GPI(GPIO_7, UP_20K, DEEP),
        PAD_CFG_GPI(GPIO_8, UP_20K, DEEP),
 
        PAD_CFG_GPI_APIC_LOW(GPIO_9, NONE, DEEP), /* dTPM IRQ */
        PAD_CFG_GPI(GPIO_10, DN_20K, DEEP),      /* Board phase enforcement */
        PAD_CFG_GPI_SCI_LOW(GPIO_11, NONE, DEEP, EDGE_SINGLE), /* EC SCI  */
        PAD_CFG_GPI(GPIO_12, UP_20K, DEEP),      /* unused */
        PAD_CFG_GPI_APIC_LOW(GPIO_13, NONE, DEEP), /* PEN_INT_ODL */
        PAD_CFG_GPI_APIC_HIGH(GPIO_14, DN_20K, DEEP), /* FP_INT */
        PAD_CFG_GPI_SCI_LOW(GPIO_15, NONE, DEEP, EDGE_SINGLE),   /* TRACKPAD_INT_1V8_ODL */
        PAD_CFG_GPI(GPIO_16, UP_20K, DEEP),      /* unused */
        PAD_CFG_GPI(GPIO_17, UP_20K, DEEP),      /* 1 vs 4 DMIC config */
        PAD_CFG_GPI_APIC_LOW(GPIO_18, NONE, DEEP), /* Trackpad IRQ */
        PAD_CFG_GPI(GPIO_19, UP_20K, DEEP),      /* unused */
        PAD_CFG_GPI_APIC_LOW(GPIO_20, UP_20K, DEEP), /* NFC IRQ */
        PAD_CFG_GPI_APIC_LOW(GPIO_21, NONE, DEEP), /* Touch IRQ */
        PAD_CFG_GPI_SCI_LOW(GPIO_22, NONE, DEEP, EDGE_SINGLE), /* EC wake */
        PAD_CFG_GPI(GPIO_23, UP_20K, DEEP),      /* unused */
        PAD_CFG_GPI(GPIO_24, NONE, DEEP),        /* PEN_PDCT_ODL */
        PAD_CFG_GPI(GPIO_25, UP_20K, DEEP),      /* unused */
        PAD_CFG_GPI(GPIO_26, UP_20K, DEEP),      /* unused */
        PAD_CFG_GPI(GPIO_27, UP_20K, DEEP),      /* unused */
        PAD_CFG_GPI_APIC_LOW(GPIO_28, NONE, DEEP), /* TPM IRQ */
        PAD_CFG_GPO(GPIO_29, 1, DEEP),           /* FP reset */
        PAD_CFG_GPI_APIC_LOW(GPIO_30, NONE, DEEP), /* KB IRQ */
        PAD_CFG_GPO(GPIO_31, 0, DEEP),           /* NFC FW DL */
        PAD_CFG_NF(GPIO_32, NONE, DEEP, NF5),    /* SUS_CLK2 */
        PAD_CFG_GPI_APIC_LOW(GPIO_33, NONE, DEEP), /* PMIC IRQ */
        PAD_CFG_GPI(GPIO_34, UP_20K, DEEP),      /* unused */
        PAD_CFG_GPO(GPIO_35, 0, DEEP),           /* PEN_RESET - active high */
        PAD_CFG_GPO(GPIO_36, 0, DEEP),           /* touch reset */
        PAD_CFG_GPI(GPIO_37, UP_20K, DEEP),      /* unused */
 
        /* LPSS_UART[0:2] */
        PAD_CFG_GPI(GPIO_38, NONE, DEEP),        /* LPSS_UART0_RXD - MEM_CONFIG2*/
        /* Next 2 are straps. */
        PAD_CFG_GPI(GPIO_39, DN_20K, DEEP),      /* LPSS_UART0_TXD - unused */
        PAD_CFG_GPI(GPIO_40, DN_20K, DEEP),      /* LPSS_UART0_RTS - unused */
        PAD_CFG_GPI(GPIO_41, NONE, DEEP),        /* LPSS_UART0_CTS - EC_IN_RW */
        PAD_CFG_NF(GPIO_42, NATIVE, DEEP, NF1),  /* LPSS_UART1_RXD */
        PAD_CFG_NF(GPIO_43, NATIVE, DEEP, NF1),  /* LPSS_UART1_TXD */
        PAD_CFG_GPO(GPIO_44, 1, DEEP),   /* GPS_RST_ODL */
        PAD_CFG_GPI(GPIO_45, NONE, DEEP),        /* LPSS_UART1_CTS - MEM_CONFIG3 */
        PAD_CFG_NF(GPIO_46, NATIVE, DEEP, NF1),  /* LPSS_UART2_RXD */
        PAD_CFG_NF_IOSSTATE(GPIO_47, NATIVE, DEEP, NF1, Tx1RxDCRx0), /* LPSS_UART2_TXD */
        PAD_CFG_GPI(GPIO_48, UP_20K, DEEP),      /* LPSS_UART2_RTS - unused */
        PAD_CFG_GPI_SMI_LOW(GPIO_49, NONE, DEEP, EDGE_SINGLE), /* LPSS_UART2_CTS - EC_SMI_L */
 
        /* Camera interface -- completely unused. */
        PAD_CFG_GPI(GPIO_62, UP_20K, DEEP),      /* GP_CAMERASB00 */
        PAD_CFG_GPI(GPIO_63, UP_20K, DEEP),      /* GP_CAMERASB01 */
        PAD_CFG_GPI(GPIO_64, UP_20K, DEEP),      /* GP_CAMERASB02 */
        PAD_CFG_GPI(GPIO_65, UP_20K, DEEP),      /* GP_CAMERASB03 */
        PAD_CFG_GPI(GPIO_66, UP_20K, DEEP),      /* GP_CAMERASB04 */
        PAD_CFG_GPI(GPIO_67, UP_20K, DEEP),      /* GP_CAMERASB05 */
        PAD_CFG_GPI(GPIO_68, UP_20K, DEEP),      /* GP_CAMERASB06 */
        PAD_CFG_GPI(GPIO_69, UP_20K, DEEP),      /* GP_CAMERASB07 */
        PAD_CFG_GPI(GPIO_70, UP_20K, DEEP),      /* GP_CAMERASB08 */
        PAD_CFG_GPI(GPIO_71, UP_20K, DEEP),      /* GP_CAMERASB09 */
        PAD_CFG_GPI(GPIO_72, UP_20K, DEEP),      /* GP_CAMERASB10 */
        PAD_CFG_GPI(GPIO_73, UP_20K, DEEP),      /* GP_CAMERASB11 */
};
 
const struct pad_config *variant_gpio_table(size_t *num)
{
        *num = ARRAY_SIZE(gpio_table);
        return gpio_table;
}
 
/* GPIOs needed prior to ramstage. */
static const struct pad_config early_gpio_table[] = {
        /* LPC */
        PAD_CFG_NF(LPC_ILB_SERIRQ, UP_20K, DEEP, NF1), /* LPC_SERIRQ */
        PAD_CFG_NF(LPC_CLKOUT0, NONE, DEEP, NF1), /* LPC_CLKOUT0 */
        PAD_CFG_GPI(LPC_CLKOUT1, UP_20K, DEEP),  /* LPC_CLKOUT1 -- unused */
        PAD_CFG_NF(LPC_AD0, UP_20K, DEEP, NF1),  /* LPC_AD0 */
        PAD_CFG_NF(LPC_AD1, UP_20K, DEEP, NF1),  /* LPC_AD1 */
        PAD_CFG_NF(LPC_AD2, UP_20K, DEEP, NF1),  /* LPC_AD2 */
        PAD_CFG_NF(LPC_AD3, UP_20K, DEEP, NF1),  /* LPC_AD3 */
        PAD_CFG_NF(LPC_CLKRUNB, UP_20K, DEEP, NF1), /* LPC_CLKRUN_N */
        PAD_CFG_NF(LPC_FRAMEB, NATIVE, DEEP, NF1), /* LPC_FRAME_N */
 
        /* UART */
        PAD_CFG_NF(GPIO_46, NATIVE, DEEP, NF1),  /* LPSS_UART2_RXD */
        PAD_CFG_NF_IOSSTATE(GPIO_47, NATIVE, DEEP, NF1, Tx1RxDCRx0), /* LPSS_UART2_TXD */
 
        PAD_CFG_GPI(GPIO_75, UP_20K, DEEP),      /* I2S1_BCLK -- PCH_WP */
 
        /* I2C2 - TPM  */
        PAD_CFG_NF(GPIO_128, UP_2K, DEEP, NF1), /* LPSS_I2C2_SDA */
        PAD_CFG_NF(GPIO_129, UP_2K, DEEP, NF1), /* LPSS_I2C2_SCL */
        PAD_CFG_GPI_APIC_LOW(GPIO_28, NONE, DEEP), /* TPM IRQ */
 
        /* WLAN_PE_RST - default to deasserted just in case FSP misbehaves. */
        PAD_CFG_GPO(GPIO_122, 0, DEEP),          /* SIO_SPI_2_RXD */
 
        PAD_CFG_GPI(GPIO_41, NONE, DEEP),        /* LPSS_UART0_CTS - EC_IN_RW */
};
 
const struct pad_config *variant_early_gpio_table(size_t *num)
{
        *num = ARRAY_SIZE(early_gpio_table);
        return early_gpio_table;
}
 
/* Default GPIO settings before entering sleep. */
static const struct pad_config default_sleep_gpio_table[] = {
        PAD_CFG_GPO(GPIO_150, 0, DEEP),         /* NFC_RESET_ODL */
        PAD_CFG_GPI_APIC_LOW(GPIO_20, NONE, DEEP),      /* NFC_INT_L */
};
 
/* GPIO settings before entering S5, which are same as default_sleep_gpio_table
 * but also turn off EN_PP3300_DX_LTE_SOC. */
static const struct pad_config s5_sleep_gpio_table[] = {
        PAD_CFG_GPO(GPIO_150, 0, DEEP),         /* NFC_RESET_ODL */
        PAD_CFG_GPI_APIC_LOW(GPIO_20, NONE, DEEP),      /* NFC_INT_L */
        PAD_CFG_GPO(GPIO_78, 0, DEEP),          /* I2S1_SDO -- EN_PP3300_DX_LTE_SOC */
};
 
const struct pad_config *variant_sleep_gpio_table(u8 slp_typ, size_t *num)
{
        if (slp_typ == ACPI_S5) {
                *num = ARRAY_SIZE(s5_sleep_gpio_table);
                return s5_sleep_gpio_table;
        }
        *num = ARRAY_SIZE(default_sleep_gpio_table);
        return default_sleep_gpio_table;
}
 
static const struct cros_gpio cros_gpios[] = {
        CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, GPIO_COMM_NW_NAME),
        CROS_GPIO_WP_AH(PAD_NW(GPIO_PCH_WP), GPIO_COMM_NW_NAME),
        CROS_GPIO_PE_AH(PAD_N(GPIO_SHIP_MODE), GPIO_COMM_N_NAME),
};
 
DECLARE_CROS_GPIOS(cros_gpios);