gpio.c

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#include <acpi/acpi.h>
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <commonlib/helpers.h>
 
/* Pad configuration in ramstage */
static const struct pad_config override_gpio_table[] = {
        /* A7  : I2S2_SCLK ==> EN_PP3300_TRACKPAD */
        PAD_CFG_GPO(GPP_A7, 1, DEEP),
        /* A8  : I2S2_SFRM ==> EN_PP3300_TOUCHSCREEN */
        PAD_CFG_GPO(GPP_A8, 0, DEEP),
        /* A10 : I2S2_RXD ==> EN_SPKR_PA */
        PAD_CFG_GPO(GPP_A10, 1, DEEP),
        /* A13 : PMC_I2C_SCL ==> BT_DISABLE_L */
        PAD_CFG_GPO(GPP_A13, 1, DEEP),
        /* A15 : USB_OC2# ==> NC */
        PAD_NC(GPP_A15, NONE),
        /* A16 : USB_OC3# ==> USB_C0_OC_ODL */
        PAD_CFG_NF(GPP_A16, NONE, DEEP, NF1),
        /* A23 : I2S1_SCLK ==> I2S1_SPKR_SCLK */
        PAD_CFG_NF(GPP_A23, NONE, DEEP, NF1),
 
        /* B2  : VRALERT# ==> EN_PP3300_SSD */
        PAD_CFG_GPO(GPP_B2, 1, PLTRST),
        /* B7  : ISH_12C1_SDA ==> ISH_I2C0_SENSOR_SDA */
        PAD_CFG_NF(GPP_B7, NONE, DEEP, NF1),
        /* B8  : ISH_I2C1_SCL ==> ISH_I2C0_SENSOR_SCL */
        PAD_CFG_NF(GPP_B8, NONE, DEEP, NF1),
        /* B9  : I2C5_SDA ==> PCH_I2C5_TRACKPAD_SDA */
        PAD_CFG_NF(GPP_B9, NONE, DEEP, NF1),
        /* B10 : I2C5_SCL ==> PCH_I2C5_TRACKPAD_SCL */
        PAD_CFG_NF(GPP_B10, NONE, DEEP, NF1),
        /* B19 : GSPI1_CS0# ==> PCH_GSPI1_FPMCU_CS_L */
        PAD_CFG_NF(GPP_B19, NONE, DEEP, NF1),
        /* B20 : GSPI1_CLK ==> PCH_GSPI1_FPMCU_CLK */
        PAD_CFG_NF(GPP_B20, NONE, DEEP, NF1),
        /* B21 : GSPI1_MISO ==> PCH_GSPI1_FPMCU_MISO */
        PAD_CFG_NF(GPP_B21, NONE, DEEP, NF1),
 
        /* C0  : SMBCLK ==> EN_PP3300_WLAN */
        PAD_CFG_GPO(GPP_C0, 1, DEEP),
        /* C5  : SML0ALERT# ==> GPP_C5_BOOT_STRAP_0 */
        PAD_CFG_GPI(GPP_C5, NONE, DEEP),
        /* C10 : UART0_RTS# ==> USI_RST_L */
        PAD_CFG_GPO(GPP_C10, 0, DEEP),
        /* C16 : I2C0_SDA ==> PCH_I2C0_1V8_AUDIO_SDA */
        PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1),
        /* C17 : I2C0_SCL ==> PCH_I2C0_1V8_AUDIO_SCL */
        PAD_CFG_NF(GPP_C17, NONE, DEEP, NF1),
        /* C18 : I2C1_SDA ==> PCH_I2C1_TOUCH_USI_SDA */
        PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
        /* C19 : I2C1_SCL ==> PCH_I2C1_TOUCH_USI_SCL */
        PAD_CFG_NF(GPP_C19, NONE, DEEP, NF1),
        /* C20 : UART2_RXD ==> FPMCU_INT_L */
        /* APIC interrupt conflict, so used GPI_INT; see b/147500717 */
        PAD_CFG_GPI_INT(GPP_C20, NONE, PLTRST, LEVEL),
        /* C22 : UART2_RTS# ==> PCH_FPMCU_BOOT0 */
        PAD_CFG_GPO(GPP_C22, 0, DEEP),
 
        /* D4  : IMGCLKOUT0# ==> CAMMERA_SWITCH */
        PAD_CFG_GPI_INT(GPP_D4, NONE, PLTRST, EDGE_BOTH),
        /* D6  : SRCCLKREQ1# ==> WLAN_CLKREQ_ODL */
        PAD_CFG_NF(GPP_D6, NONE, DEEP, NF1),
        /* D8  : SRCCLKREQ3# ==> SD_CLKREQ_ODL */
        PAD_CFG_NF(GPP_D8, NONE, DEEP, NF1),
        /* D12 : ISH_SPI_MOSI ==> PCH_GSPI2_CVF_MOSI_STRAP */
        PAD_CFG_NF(GPP_D12, NONE, DEEP, NF1),
        /* D13 : ISH_UART0_RXD ==> NC */
        PAD_NC(GPP_D13, NONE),
        /* D16 : ISH_UART0_CTS# ==> EN_PP3300_SD */
        PAD_CFG_GPO(GPP_D16, 1, DEEP),
        /* D17 : ISH_GP4 ==> EN_FCAM_PWR */
        PAD_CFG_GPO(GPP_D17, 1, DEEP),
 
        /* E2  : SPI1_IO3 ==> WLAN_PCIE_WAKE_ODL */
        PAD_CFG_GPI(GPP_E2, NONE, DEEP),
        /* E3  : CPU_GP0 ==> USI_REPORT_EN */
        PAD_CFG_GPO(GPP_E3, 0, DEEP),
        /* E4  : SATA_DEVSLP0 ==> M2_SSD_PE_WAKE_ODL */
        PAD_CFG_GPI(GPP_E4, NONE, DEEP),
        /* E6  : THC0_SPI1_RST# ==> GPP_E6_STRAP */
        PAD_CFG_GPI(GPP_E6, NONE, DEEP),
        /* E7  : CPU_GP1 ==> USI_INT */
        PAD_CFG_GPI_APIC(GPP_E7, NONE, PLTRST, LEVEL, NONE),
        /* E8  : SPI1_CS1# ==> SLP_S0IX */
        PAD_CFG_GPO(GPP_E8, 0, DEEP),
        /* E10 : SPI1_CS# ==> USB_C0_AUXP_DC */
        PAD_CFG_NF(GPP_E10, NONE, DEEP, NF6),
        /* E11 : SPI1_CLK ==> SD_PE_WAKE_ODL */
        PAD_CFG_GPI(GPP_E11, NONE, DEEP),
        /* E13 : SPI1_MOSI_IO0 ==> USB_C0_AUXN_DC */
        PAD_CFG_NF(GPP_E13, NONE, DEEP, NF6),
        /* E15 : ISH_GP6 ==> TRACKPAD_INT_ODL */
        PAD_CFG_GPI_IRQ_WAKE(GPP_E15, NONE, DEEP, LEVEL, INVERT),
        /* E20 : DDP2_CTRLCLK ==> NC */
        PAD_NC(GPP_E20, NONE),
        /* E21 : DDP2_CTRLDATA ==> NC */
        PAD_NC(GPP_E21, NONE),
        /* E22 : DDPA_CTRLCLK ==> USB_C1_AUXP_DC: Retimer FW drives this pin */
        PAD_CFG_GPO(GPP_E22, 1, DEEP),
        /* E23 : DDPA_CTRLDATA ==> USB_C1_AUXN_DC: Retimer FW drives this pin */
        PAD_CFG_GPO(GPP_E23, 1, DEEP),
 
        /* F7  : GPPF7_STRAP ==> GPP_F7_STRAP */
        PAD_CFG_GPI(GPP_F7, NONE, DEEP),
        /* F8  : I2S_MCLK2_INOUT ==> HP_INT_L */
        PAD_CFG_GPI_INT(GPP_F8, NONE, PLTRST, EDGE_BOTH),
        /* F10 : GPPF10_STRAP ==> GPP_F10_STRAP */
        PAD_CFG_GPI(GPP_F10, NONE, DEEP),
        /* F11 : THC1_SPI2_CLK ==> NC */
        PAD_NC(GPP_F11, NONE),
        /* F12 : GSXDOUT ==> NC */
        PAD_NC(GPP_F12, NONE),
        /* F13 : GSXDOUT ==> WiFi_DISABLE_L */
        PAD_CFG_GPO(GPP_F13, 1, DEEP),
 
        /* H0  : GPPH0_BOOT_STRAP1 */
        PAD_CFG_GPI(GPP_H0, NONE, DEEP),
        /* H1  : GPPH1_BOOT_STRAP2 */
        PAD_CFG_GPI(GPP_H1, NONE, DEEP),
        /* H2  : GPPH2_BOOT_STRAP3 */
        PAD_CFG_GPI(GPP_H2, NONE, DEEP),
        /* H3  : SX_EXIT_HOLDOFF# ==> SD_PERST_L */
        PAD_CFG_GPO(GPP_H3, 1, DEEP),
        /* H4  : I2C2_SDA ==> NC */
        PAD_NC(GPP_H4, NONE),
        /* H5  : I2C2_SCL ==> NC */
        PAD_NC(GPP_H5, NONE),
        /* H10 : SRCCLKREQ4# ==> NC */
        PAD_NC(GPP_H10, NONE),
        /* H11 : SRCCLKREQ5# ==> WLAN_PERST_L */
        PAD_CFG_GPO(GPP_H11, 1, DEEP),
 
        /* R0 : HDA_BCLK ==> I2S0_HP_SCLK */
        PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),
        /* R1 : HDA_SYNC ==> I2S0_HP_SFRM */
        PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),
        /* R2 : HDA_SDO ==> I2S0_PCH_TX_HP_RX_STRAP */
        PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2),
        /* R3 : HDA_SDIO ==> I2S0_PCH_RX_HP_TX */
        PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2),
        /* R6 : I2S1_TXD ==> I2S1_PCH_TX_SPKR_RX_R */
        PAD_CFG_NF(GPP_R6, NONE, DEEP, NF2),
        /* R7 : I2S1_SFRM ==> I2S1_SPKR_SFRM_R */
        PAD_CFG_NF(GPP_R7, NONE, DEEP, NF2),
 
        /* S0 : SNDW0_CLK ==> SNDW0_HP_CLK_R */
        PAD_CFG_NF(GPP_S0, NONE, DEEP, NF1),
        /* S1 : SNDW0_DATA ==> SNDW0_HP_DATA_R */
        PAD_CFG_NF(GPP_S1, NONE, DEEP, NF1),
        /* S4 : SNDW2_CLK ==> PCH_DMIC_CAM_SCL_R */
        PAD_CFG_NF(GPP_S4, NONE, DEEP, NF2),
        /* S5 : SNDW2_DATA ==> PCH_DMIC_CAM_SDA_R */
        PAD_CFG_NF(GPP_S5, NONE, DEEP, NF2),
 
        /* GPD9: SLP_WLAN# ==> SLP_WLAN_L */
        PAD_CFG_NF(GPD9, NONE, DEEP, NF1),
};
 
/* Early pad configuration in bootblock */
static const struct pad_config early_gpio_table[] = {
        /* A12 : SATAXPCIE1 ==> M2_SSD_PEDET */
        PAD_CFG_NF(GPP_A12, NONE, DEEP, NF1),
        /* A13 : PMC_I2C_SCL ==> BT_DISABLE_L */
        /* assert reset on reboot */
        PAD_CFG_GPO(GPP_A13, 0, DEEP),
        /* A17 : DDSP_HPDC ==> MEM_CH_SEL */
        PAD_CFG_GPI(GPP_A17, NONE, DEEP),
 
        /* B2  : VRALERT# ==> EN_PP3300_SSD */
        PAD_CFG_GPO(GPP_B2, 1, PLTRST),
        /* B11 : PMCALERT# ==> PCH_WP_OD */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_B11, NONE, DEEP),
        /* B15 : GSPI0_CS0# ==> PCH_GSPI0_H1_TPM_CS_L */
        PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1),
        /* B16 : GSPI0_CLK ==> PCH_GSPI0_H1_TPM_CLK */
        PAD_CFG_NF(GPP_B16, NONE, DEEP, NF1),
        /* B17 : GSPI0_MISO ==> PCH_GSPIO_H1_TPM_MISO */
        PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1),
        /* B18 : GSPI0_MOSI ==> PCH_GSPI0_H1_TPM_MOSI_STRAP */
        PAD_CFG_NF(GPP_B18, NONE, DEEP, NF1),
 
        /* C0  : SMBCLK ==> EN_PP3300_WLAN */
        PAD_CFG_GPO(GPP_C0, 1, DEEP),
        /* C8 : UART0 RX */
        PAD_CFG_NF(GPP_C8, NONE, DEEP, NF1),
        /* C9 : UART0 TX */
        PAD_CFG_NF(GPP_C9, NONE, DEEP, NF1),
        /* C21 : UART2_TXD ==> H1_PCH_INT_ODL */
        PAD_CFG_GPI_APIC(GPP_C21, NONE, PLTRST, LEVEL, INVERT),
        /* C22 : UART2_RTS# ==> PCH_FPMCU_BOOT0 */
        PAD_CFG_GPO(GPP_C22, 0, DEEP),
 
        /* D16 : ISH_UART0_CTS# ==> EN_PP3300_SD */
        PAD_CFG_GPO(GPP_D16, 1, DEEP),
 
        /* E12 : SPI1_MISO_IO1 ==> NC */
        PAD_NC(GPP_E12, NONE),
 
        /* F11 : THC1_SPI2_CLK ==> NC */
        PAD_NC(GPP_F11, NONE),
 
        /* H11 : SRCCLKREQ5# ==> WLAN_PERST_L */
        PAD_CFG_GPO(GPP_H11, 1, DEEP),
};
 
const struct pad_config *variant_override_gpio_table(size_t *num)
{
        *num = ARRAY_SIZE(override_gpio_table);
        return override_gpio_table;
}
 
const struct pad_config *variant_early_gpio_table(size_t *num)
{
        *num = ARRAY_SIZE(early_gpio_table);
        return early_gpio_table;
}
 
/* GPIO settings before entering S5 */
static const struct pad_config s5_sleep_gpio_table[] = {
        PAD_CFG_GPO(GPP_C23, 0, DEEP), /* FPMCU_RST_ODL */
        PAD_CFG_GPO(GPP_A21, 0, DEEP), /* EN_FP_PWR */
};
 
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 = 0;
        return NULL;
}