/* SPDX-License-Identifier: GPL-2.0-or-later */ #include <gpio.h> #include <intelblocks/pcr.h> #include <soc/pcr_ids.h> #include <soc/pmc.h> #define DEFAULT_VW_BASE 0x10 /* * This file is created based on Intel Alder Lake Processor PCH-S Datasheet */ static const struct reset_mapping rst_map_gpp[] = { { .logical = PAD_RESET(RSMRST), .chipset = 0U << 30 }, { .logical = PAD_RESET(DEEP), .chipset = 1U << 30 }, { .logical = PAD_RESET(PLTRST), .chipset = 2U << 30 }, }; static const struct reset_mapping rst_map_gpd[] = { { .logical = PAD_RESET(PWROK), .chipset = 0U << 30 }, { .logical = PAD_RESET(DEEP), .chipset = 1U << 30 }, { .logical = PAD_RESET(PLTRST), .chipset = 2U << 30 }, { .logical = PAD_RESET(RSMRST), .chipset = 3U << 30 }, }; /* * The GPIO pinctrl driver for Alder Lake on Linux expects 32 GPIOs per pad * group, regardless of whether or not there is a physical pad for each * exposed GPIO number. * * This results in the OS having a sparse GPIO map, and devices that need * to export an ACPI GPIO must use the OS expected number. * * Not all pins are usable as GPIO and those groups do not have a pad base. */ static const struct pad_group adl_community0_groups[] = { INTEL_GPP_BASE(GPP_I0, GPP_I0, GPP_GSPI1_CLK_LOOPBK, 0), /* GPP_I */ INTEL_GPP_BASE(GPP_I0, GPP_R0, GPP_GSPI2_CLK_LOOPBK, 32), /* GPP_R */ INTEL_GPP_BASE(GPP_I0, GPP_J0, GPP_J11, 64), /* GPP_J */ INTEL_GPP_BASE(GPP_I0, VGPIO_0, VGPIO_37, 96), /* vGPIO */ INTEL_GPP_BASE(GPP_I0, VGPIO_USB_0, VGPIO_USB_11, 128), /* vGPIO_0 */ }; static const struct vw_entries adl_community0_vw[] = { {GPP_I0, GPP_I14}, {GPP_R0, GPP_R19}, {GPP_J0, GPP_J9}, }; static const struct pad_group adl_community1_groups[] = { INTEL_GPP_BASE(GPP_B0, GPP_B0, GPP_B23, 160), /* GPP_B */ INTEL_GPP_BASE(GPP_B0, GPP_G0, GPP_G7, 192), /* GPP_G */ INTEL_GPP_BASE(GPP_B0, GPP_H0, GPP_H23, 224), /* GPP_H */ }; static const struct vw_entries adl_community1_vw[] = { {GPP_B0, GPP_B23}, {GPP_G0, GPP_G7}, {GPP_H0, GPP_H23}, }; /* This community is not visible to the OS */ static const struct pad_group adl_community2_groups[] = { INTEL_GPP(GPD0, GPD0, GPD_DRAM_RESETB), /* GPD */ }; static const struct pad_group adl_community3_groups[] = { INTEL_GPP(GPP_SPI0_IO_2, GPP_SPI0_IO_2, GPP_SPI0_CLK_LOOPBK), /* SPI0 */ INTEL_GPP_BASE(GPP_SPI0_IO_2, GPP_A0, GPP_ESPI_CLK_LOOPBK, 256), /* GPP_A */ INTEL_GPP_BASE(GPP_SPI0_IO_2, GPP_C0, GPP_C23, 288), /* GPP_C */ INTEL_GPP(GPP_SPI0_IO_2, VGPIO_PCIE_0, VGPIO_PCIE_83), /* vGPIO_3 */ }; static const struct vw_entries adl_community3_vw[] = { {GPP_A0, GPP_A14}, {GPP_C0, GPP_C23}, }; static const struct pad_group adl_community4_groups[] = { INTEL_GPP_BASE(GPP_S0, GPP_S0, GPP_S7, 320), /* GPP_S */ INTEL_GPP_BASE(GPP_S0, GPP_E0, GPP_SPI1_THC0_CLK_LOOPBK, 352), /* GPP_E */ INTEL_GPP_BASE(GPP_S0, GPP_K0, GPP_MLK_RSTB, 384), /* GPP_K */ INTEL_GPP_BASE(GPP_S0, GPP_F0, GPP_F23, 416), /* GPP_F */ }; static const struct vw_entries adl_community4_vw[] = { {GPP_E0, GPP_E21}, {GPP_K0, GPP_K11}, {GPP_F0, GPP_F23}, }; static const struct pad_group adl_community5_groups[] = { INTEL_GPP_BASE(GPP_D0, GPP_D0, GPP_GSPI3_THC1_CLK_LOOPBK, 448), /* GPP_D */ INTEL_GPP(GPP_D0, GPP_JTAG_TDO, GPP_CPU_TRSTB), /* JTAG */ INTEL_GPP(GPP_D0, GPP_HDACPU_SDI, GPP_C10_WAKE), /* CPU */ }; static const struct pad_community adl_communities[] = { [COMM_0] = { /* GPP I, R, J, vGPIO. vGPIO_0 */ .port = PID_GPIOCOM0, .cpu_port = PID_CPU_GPIOCOM0, .first_pad = GPIO_COM0_START, .last_pad = GPIO_COM0_END, .num_gpi_regs = NUM_GPIO_COM0_GPI_REGS, .pad_cfg_base = PAD_CFG_BASE, .pad_cfg_lock_offset = PAD_CFG_LOCK_OFFSET, .host_own_reg_0 = HOSTSW_OWN_REG_0, .gpi_int_sts_reg_0 = GPI_INT_STS_0, .gpi_int_en_reg_0 = GPI_INT_EN_0, .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, .gpi_smi_en_reg_0 = GPI_SMI_EN_0, .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, .name = "GPP_IRJ", .acpi_path = "\\_SB.PCI0.GPIO", .reset_map = rst_map_gpp, .num_reset_vals = ARRAY_SIZE(rst_map_gpp), .groups = adl_community0_groups, .num_groups = ARRAY_SIZE(adl_community0_groups), .vw_base = DEFAULT_VW_BASE, .vw_entries = adl_community0_vw, .num_vw_entries = ARRAY_SIZE(adl_community0_vw), }, [COMM_1] = { /* GPP B, G, H */ .port = PID_GPIOCOM1, .cpu_port = PID_CPU_GPIOCOM1, .first_pad = GPIO_COM1_START, .last_pad = GPIO_COM1_END, .num_gpi_regs = NUM_GPIO_COM1_GPI_REGS, .pad_cfg_base = PAD_CFG_BASE, .pad_cfg_lock_offset = PAD_CFG_LOCK_OFFSET, .host_own_reg_0 = HOSTSW_OWN_REG_0, .gpi_int_sts_reg_0 = GPI_INT_STS_0, .gpi_int_en_reg_0 = GPI_INT_EN_0, .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, .gpi_smi_en_reg_0 = GPI_SMI_EN_0, .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, .name = "GPP_BGH", .acpi_path = "\\_SB.PCI0.GPIO", .reset_map = rst_map_gpp, .num_reset_vals = ARRAY_SIZE(rst_map_gpp), .groups = adl_community1_groups, .num_groups = ARRAY_SIZE(adl_community1_groups), .vw_base = DEFAULT_VW_BASE, .vw_entries = adl_community1_vw, .num_vw_entries = ARRAY_SIZE(adl_community1_vw), }, [COMM_2] = { /* GPD */ .port = PID_GPIOCOM2, .first_pad = GPIO_COM2_START, .last_pad = GPIO_COM2_END, .num_gpi_regs = NUM_GPIO_COM2_GPI_REGS, .pad_cfg_base = PAD_CFG_BASE, .pad_cfg_lock_offset = PAD_CFG_LOCK_OFFSET, .host_own_reg_0 = HOSTSW_OWN_REG_0, .gpi_int_sts_reg_0 = GPI_INT_STS_0, .gpi_int_en_reg_0 = GPI_INT_EN_0, .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, .gpi_smi_en_reg_0 = GPI_SMI_EN_0, .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, .name = "GPD", .acpi_path = "\\_SB.PCI0.GPIO", .reset_map = rst_map_gpd, .num_reset_vals = ARRAY_SIZE(rst_map_gpd), .groups = adl_community2_groups, .num_groups = ARRAY_SIZE(adl_community2_groups), }, [COMM_3] = { /* SPI0, GPP A, C */ .port = PID_GPIOCOM3, .cpu_port = PID_CPU_GPIOCOM3, .first_pad = GPIO_COM3_START, .last_pad = GPIO_COM3_END, .num_gpi_regs = NUM_GPIO_COM3_GPI_REGS, .pad_cfg_base = PAD_CFG_BASE, .host_own_reg_0 = HOSTSW_OWN_REG_0, .gpi_int_sts_reg_0 = GPI_INT_STS_0, .gpi_int_en_reg_0 = GPI_INT_EN_0, .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, .gpi_smi_en_reg_0 = GPI_SMI_EN_0, .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, .name = "GPP_AC", .acpi_path = "\\_SB.PCI0.GPIO", .reset_map = rst_map_gpp, .num_reset_vals = ARRAY_SIZE(rst_map_gpp), .groups = adl_community3_groups, .num_groups = ARRAY_SIZE(adl_community3_groups), .vw_base = DEFAULT_VW_BASE, .vw_entries = adl_community3_vw, .num_vw_entries = ARRAY_SIZE(adl_community3_vw), }, [COMM_4] = { /* GPP S, E, K, F */ .port = PID_GPIOCOM4, .cpu_port = PID_CPU_GPIOCOM4, .first_pad = GPIO_COM4_START, .last_pad = GPIO_COM4_END, .num_gpi_regs = NUM_GPIO_COM4_GPI_REGS, .pad_cfg_base = PAD_CFG_BASE, .pad_cfg_lock_offset = PAD_CFG_LOCK_OFFSET, .host_own_reg_0 = HOSTSW_OWN_REG_0, .gpi_int_sts_reg_0 = GPI_INT_STS_0, .gpi_int_en_reg_0 = GPI_INT_EN_0, .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, .gpi_smi_en_reg_0 = GPI_SMI_EN_0, .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, .name = "GPP_SEKF", .acpi_path = "\\_SB.PCI0.GPIO", .reset_map = rst_map_gpp, .num_reset_vals = ARRAY_SIZE(rst_map_gpp), .groups = adl_community4_groups, .num_groups = ARRAY_SIZE(adl_community4_groups), .vw_base = DEFAULT_VW_BASE, .vw_entries = adl_community4_vw, .num_vw_entries = ARRAY_SIZE(adl_community4_vw), }, [COMM_5] = { /* GPP D, JTAG, CPU */ .port = PID_GPIOCOM5, .cpu_port = PID_CPU_GPIOCOM5, .first_pad = GPIO_COM5_START, .last_pad = GPIO_COM5_END, .num_gpi_regs = NUM_GPIO_COM5_GPI_REGS, .pad_cfg_base = PAD_CFG_BASE, .pad_cfg_lock_offset = PAD_CFG_LOCK_OFFSET, .host_own_reg_0 = HOSTSW_OWN_REG_0, .gpi_int_sts_reg_0 = GPI_INT_STS_0, .gpi_int_en_reg_0 = GPI_INT_EN_0, .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, .gpi_smi_en_reg_0 = GPI_SMI_EN_0, .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, .name = "GPP_D", .acpi_path = "\\_SB.PCI0.GPIO", .reset_map = rst_map_gpp, .num_reset_vals = ARRAY_SIZE(rst_map_gpp), .groups = adl_community5_groups, .num_groups = ARRAY_SIZE(adl_community5_groups), } }; const struct pad_community *soc_gpio_get_community(size_t *num_communities) { *num_communities = ARRAY_SIZE(adl_communities); return adl_communities; } const struct pmc_to_gpio_route *soc_pmc_gpio_routes(size_t *num) { static const struct pmc_to_gpio_route routes[] = { { PMC_GPP_I, GPP_I }, { PMC_GPP_R, GPP_R }, { PMC_GPP_J, GPP_J }, { PMC_GPD, GPD }, { PMC_GPP_D, GPP_D }, { PMC_GPP_S, GPP_S }, { PMC_GPP_E, GPP_E }, { PMC_GPP_K, GPP_K }, { PMC_GPP_F, GPP_F }, { PMC_GPP_A, GPP_A }, { PMC_GPP_C, GPP_C }, { PMC_GPP_B, GPP_B }, { PMC_GPP_G, GPP_G }, { PMC_GPP_H, GPP_H }, }; *num = ARRAY_SIZE(routes); return routes; };