summaryrefslogtreecommitdiff
path: root/src/soc/intel/tigerlake/gpio.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/soc/intel/tigerlake/gpio.c')
-rw-r--r--src/soc/intel/tigerlake/gpio.c102
1 files changed, 44 insertions, 58 deletions
diff --git a/src/soc/intel/tigerlake/gpio.c b/src/soc/intel/tigerlake/gpio.c
index 18b90702c1..5b06b30d79 100644
--- a/src/soc/intel/tigerlake/gpio.c
+++ b/src/soc/intel/tigerlake/gpio.c
@@ -14,24 +14,23 @@
* GNU General Public License for more details.
*/
+#include <intelblocks/gpio.h>
+#include <intelblocks/pcr.h>
+#include <soc/pcr_ids.h>
+#include <soc/pmc.h>
+
/*
* This file is created based on Intel Tiger Lake Processor PCH Datasheet
* Document number: 575857
* Chapter number: 27
*/
-#include <intelblocks/gpio.h>
-#include <intelblocks/pcr.h>
-#include <soc/pcr_ids.h>
-#include <soc/pmc.h>
-
static const struct reset_mapping rst_map[] = {
{ .logical = PAD_CFG0_LOGICAL_RESET_RSMRST, .chipset = 0U << 30 },
{ .logical = PAD_CFG0_LOGICAL_RESET_DEEP, .chipset = 1U << 30 },
{ .logical = PAD_CFG0_LOGICAL_RESET_PLTRST, .chipset = 2U << 30 },
};
-
-static const struct reset_mapping rst_map_com0[] = {
+static const struct reset_mapping rst_map_com2[] = {
{ .logical = PAD_CFG0_LOGICAL_RESET_PWROK, .chipset = 0U << 30 },
{ .logical = PAD_CFG0_LOGICAL_RESET_DEEP, .chipset = 1U << 30 },
{ .logical = PAD_CFG0_LOGICAL_RESET_PLTRST, .chipset = 2U << 30 },
@@ -39,55 +38,46 @@ static const struct reset_mapping rst_map_com0[] = {
};
/*
- * The GPIO driver for Tigerlake on Windows/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.
- *
- * This layout matches the Linux kernel pinctrl map for CNL-LP at:
+ * This layout matches the Linux kernel pinctrl map for TGL-LP at:
* linux/drivers/pinctrl/intel/pinctrl-tigerlake.c
*/
static const struct pad_group tgl_community0_groups[] = {
- INTEL_GPP_BASE(GPP_G0, GPP_G0, GPP_G7, 0), /* GPP_G */
- INTEL_GPP_BASE(GPP_G0, GPP_B0, GPP_B23, 32), /* GPP_B */
- INTEL_GPP(GPP_G0, GPIO_RSVD_0, GPIO_RSVD_1),
- INTEL_GPP_BASE(GPP_G0, GPP_A0, GPP_A23, 64), /* GPP_A */
+ INTEL_GPP(GPP_B0, GPP_B0, GPP_B25), /* GPP_B */
+ INTEL_GPP(GPP_B0, GPP_T0, GPP_T15), /* GPP_T */
+ INTEL_GPP(GPP_B0, GPP_A0, GPP_A24), /* GPP_A */
};
static const struct pad_group tgl_community1_groups[] = {
- INTEL_GPP_BASE(GPP_H0, GPP_H0, GPP_H23, 96), /* GPP_H */
- INTEL_GPP_BASE(GPP_H0, GPP_D0, GPIO_RSVD_2, 128), /* GPP_D */
- INTEL_GPP_BASE(GPP_H0, GPP_F0, GPP_F19, 160), /* GPP_F */
+ INTEL_GPP(GPP_S0, GPP_S0, GPP_S7), /* GPP_S */
+ INTEL_GPP(GPP_S0, GPP_H0, GPP_H23), /* GPP_H */
+ INTEL_GPP(GPP_S0, GPP_D0, GPP_GSPI2_CLK_LOOPBK), /* GPP_D */
+ INTEL_GPP(GPP_S0, GPP_U0, GPP_GSPI6_CLK_LOOPBK), /* GPP_U */
+ INTEL_GPP(GPP_S0, CNV_BTEN, vI2S2_RXD), /* GPP_VGPIO */
};
/* This community is not visible to the OS */
static const struct pad_group tgl_community2_groups[] = {
- INTEL_GPP(GPD0, GPD0, GPD11), /* GPD */
+ INTEL_GPP(GPD0, GPD0, GPD_DRAM_RESETB), /* GPD */
};
-
static const struct pad_group tgl_community4_groups[] = {
- INTEL_GPP_BASE(GPP_C0, GPP_C0, GPP_C23, 224), /* GPP_C */
- INTEL_GPP_BASE(GPP_C0, GPP_E0, GPP_E23, 256), /* GPP_E */
- INTEL_GPP(GPP_C0, GPIO_RSVD_3, GPIO_RSVD_8),
+ INTEL_GPP(GPP_C0, GPP_C0, GPP_C23), /* GPP_C */
+ INTEL_GPP(GPP_C0, GPP_F0, GPP_F_CLK_LOOPBK), /* GPP_F */
+ INTEL_GPP(GPP_C0, GPP_L_BKLTEN, GPP_MLK_RSTB), /* GPP_HVCMOS */
+ INTEL_GPP(GPP_C0, GPP_E0, GPP_E_CLK_LOOPBK), /* GPP_E */
+ INTEL_GPP(GPP_C0, GPP_JTAG_TDO, GPP_DBG_PMODE), /* GPP_JTAG */
};
-
static const struct pad_group tgl_community5_groups[] = {
- INTEL_GPP_BASE(GPP_R0, GPP_R0, GPP_R7, 288), /* GPP_R */
- INTEL_GPP_BASE(GPP_C0, GPP_S0, GPP_S7, 320), /* GPP_S */
+ INTEL_GPP(GPP_R0, GPP_R0, GPP_R7), /* GPP_R */
+ INTEL_GPP(GPP_R0, GPP_SPI_IO_2, GPP_CLK_LOOPBK), /* GPP_SPI */
};
-static const struct pad_community tgl_communities[TOTAL_GPIO_COMM] = {
- /* GPP G, B, A */
- [COMM_0] = {
+static const struct pad_community tgl_communities[] = {
+ [COMM_0] = { /* GPP B, T, A */
.port = PID_GPIOCOM0,
- .first_pad = GPP_G0,
- .last_pad = GPP_A23,
+ .first_pad = GPP_B0,
+ .last_pad = GPP_A24,
.num_gpi_regs = NUM_GPIO_COM0_GPI_REGS,
.pad_cfg_base = PAD_CFG_BASE,
.host_own_reg_0 = HOSTSW_OWN_REG_0,
@@ -96,18 +86,17 @@ static const struct pad_community tgl_communities[TOTAL_GPIO_COMM] = {
.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_GBA",
+ .name = "GPP_BTA",
.acpi_path = "\\_SB.PCI0.GPIO",
- .reset_map = rst_map_com0,
- .num_reset_vals = ARRAY_SIZE(rst_map_com0),
+ .reset_map = rst_map,
+ .num_reset_vals = ARRAY_SIZE(rst_map),
.groups = tgl_community0_groups,
.num_groups = ARRAY_SIZE(tgl_community0_groups),
},
- /* GPP H, D, F */
- [COMM_1] = {
+ [COMM_1] = { /* GPP S, D, H, U, VGPIO */
.port = PID_GPIOCOM1,
- .first_pad = GPP_H0,
- .last_pad = GPP_F19,
+ .first_pad = GPP_S0,
+ .last_pad = vI2S2_RXD,
.num_gpi_regs = NUM_GPIO_COM1_GPI_REGS,
.pad_cfg_base = PAD_CFG_BASE,
.host_own_reg_0 = HOSTSW_OWN_REG_0,
@@ -116,18 +105,17 @@ static const struct pad_community tgl_communities[TOTAL_GPIO_COMM] = {
.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_HDF",
+ .name = "GPP_SDHU",
.acpi_path = "\\_SB.PCI0.GPIO",
.reset_map = rst_map,
.num_reset_vals = ARRAY_SIZE(rst_map),
.groups = tgl_community1_groups,
.num_groups = ARRAY_SIZE(tgl_community1_groups),
},
- /* GPD */
- [COMM_2] = {
+ [COMM_2] = { /* GPD */
.port = PID_GPIOCOM2,
.first_pad = GPD0,
- .last_pad = GPD11,
+ .last_pad = GPD_DRAM_RESETB,
.num_gpi_regs = NUM_GPIO_COM2_GPI_REGS,
.pad_cfg_base = PAD_CFG_BASE,
.host_own_reg_0 = HOSTSW_OWN_REG_0,
@@ -138,16 +126,15 @@ static const struct pad_community tgl_communities[TOTAL_GPIO_COMM] = {
.max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
.name = "GPD",
.acpi_path = "\\_SB.PCI0.GPIO",
- .reset_map = rst_map,
- .num_reset_vals = ARRAY_SIZE(rst_map),
+ .reset_map = rst_map_com2,
+ .num_reset_vals = ARRAY_SIZE(rst_map_com2),
.groups = tgl_community2_groups,
.num_groups = ARRAY_SIZE(tgl_community2_groups),
},
- /* GPP C, E */
- [COMM_3] = {
+ [COMM_4] = { /* GPP F, C, HVCOS, E, JTAG */
.port = PID_GPIOCOM4,
.first_pad = GPP_C0,
- .last_pad = GPP_E23,
+ .last_pad = GPP_DBG_PMODE,
.num_gpi_regs = NUM_GPIO_COM4_GPI_REGS,
.pad_cfg_base = PAD_CFG_BASE,
.host_own_reg_0 = HOSTSW_OWN_REG_0,
@@ -156,18 +143,17 @@ static const struct pad_community tgl_communities[TOTAL_GPIO_COMM] = {
.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_CE",
+ .name = "GPP_FCE",
.acpi_path = "\\_SB.PCI0.GPIO",
.reset_map = rst_map,
.num_reset_vals = ARRAY_SIZE(rst_map),
.groups = tgl_community4_groups,
.num_groups = ARRAY_SIZE(tgl_community4_groups),
},
- /* GPP R, S */
- [COMM_4] = {
+ [COMM_5] = { /* GPP R, SPI */
.port = PID_GPIOCOM5,
.first_pad = GPP_R0,
- .last_pad = GPP_S7,
+ .last_pad = GPP_CLK_LOOPBK,
.num_gpi_regs = NUM_GPIO_COM5_GPI_REGS,
.pad_cfg_base = PAD_CFG_BASE,
.host_own_reg_0 = HOSTSW_OWN_REG_0,
@@ -176,7 +162,7 @@ static const struct pad_community tgl_communities[TOTAL_GPIO_COMM] = {
.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_RS",
+ .name = "GPP_CPU_VBPIO",
.acpi_path = "\\_SB.PCI0.GPIO",
.reset_map = rst_map,
.num_reset_vals = ARRAY_SIZE(rst_map),
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 03:07:18 +0000