Add support for TLMM pin controller block (Top Level Mode Multiplexer) on SM6125 SoC, with support for special pins.
Signed-off-by: Biswapriyo Nath <[email protected]> --- drivers/pinctrl/qcom/Kconfig | 8 ++ drivers/pinctrl/qcom/Makefile | 1 + drivers/pinctrl/qcom/pinctrl-sm6125.c | 147 ++++++++++++++++++++++++++++++++++ 3 files changed, 156 insertions(+) diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig index 580308621..d1c762891 100644 --- a/drivers/pinctrl/qcom/Kconfig +++ b/drivers/pinctrl/qcom/Kconfig @@ -125,6 +125,14 @@ config PINCTRL_QCOM_SM6115 Say Y here to enable support for pinctrl on the Snapdragon SM6115 SoC, as well as the associated GPIO driver. +config PINCTRL_QCOM_SM6125 + bool "Qualcomm SM6125 Pinctrl" + default y if PINCTRL_QCOM_GENERIC + select PINCTRL_QCOM + help + Say Y here to enable support for pinctrl on the Snapdragon SM6125 SoC, + as well as the associated GPIO driver. + config PINCTRL_QCOM_SM6350 bool "Qualcomm SM6350 Pinctrl" default y if PINCTRL_QCOM_GENERIC diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile index b5a111605..1844f37ed 100644 --- a/drivers/pinctrl/qcom/Makefile +++ b/drivers/pinctrl/qcom/Makefile @@ -17,6 +17,7 @@ obj-$(CONFIG_PINCTRL_QCOM_SDM660) += pinctrl-sdm660.o obj-$(CONFIG_PINCTRL_QCOM_SDM670) += pinctrl-sdm670.o obj-$(CONFIG_PINCTRL_QCOM_SDM845) += pinctrl-sdm845.o obj-$(CONFIG_PINCTRL_QCOM_SM6115) += pinctrl-sm6115.o +obj-$(CONFIG_PINCTRL_QCOM_SM6125) += pinctrl-sm6125.o obj-$(CONFIG_PINCTRL_QCOM_SM6350) += pinctrl-sm6350.o obj-$(CONFIG_PINCTRL_QCOM_SM7150) += pinctrl-sm7150.o obj-$(CONFIG_PINCTRL_QCOM_SM8150) += pinctrl-sm8150.o diff --git a/drivers/pinctrl/qcom/pinctrl-sm6125.c b/drivers/pinctrl/qcom/pinctrl-sm6125.c new file mode 100644 index 000000000..82f8972ff --- /dev/null +++ b/drivers/pinctrl/qcom/pinctrl-sm6125.c @@ -0,0 +1,147 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* + * Pinctrl driver for Qualcomm SM6125 + * + * (C) Copyright 2026 Biswapriyo Nath <[email protected]> + * + * Based on Linux Kernel driver + */ + +#include <dm.h> + +#include "pinctrl-qcom.h" + +#define TLMM_BASE 0x00500000 +#define WEST (0x00500000 - TLMM_BASE) /* 0x0 */ +#define SOUTH (0x00900000 - TLMM_BASE) /* 0x400000 */ +#define EAST (0x00d00000 - TLMM_BASE) /* 0x800000 */ + +#define MAX_PIN_NAME_LEN 32 +static char pin_name[MAX_PIN_NAME_LEN] __section(".data"); + +static const struct pinctrl_function msm_pinctrl_functions[] = { + { "qup04", 1 }, + { "gpio", 0 }, +}; + +#define SDC_QDSD_PINGROUP(pg_name, ctl, pull, drv) \ + { \ + .name = pg_name, \ + .ctl_reg = ctl, \ + .io_reg = 0, \ + .pull_bit = pull, \ + .drv_bit = drv, \ + .oe_bit = -1, \ + .in_bit = -1, \ + .out_bit = -1, \ + } + +#define UFS_RESET(pg_name, offset) \ + { \ + .name = pg_name, \ + .ctl_reg = offset, \ + .io_reg = offset + 0x4, \ + .pull_bit = 3, \ + .drv_bit = 0, \ + .oe_bit = -1, \ + .in_bit = -1, \ + .out_bit = 0, \ + } + +static const struct msm_special_pin_data msm_special_pins_data[] = { + [0] = UFS_RESET("ufs_reset", 0x190000), + [1] = SDC_QDSD_PINGROUP("sdc1_rclk", WEST + 0x18d000, 15, 0), + [2] = SDC_QDSD_PINGROUP("sdc1_clk", WEST + 0x18d000, 13, 6), + [3] = SDC_QDSD_PINGROUP("sdc1_cmd", WEST + 0x18d000, 11, 3), + [4] = SDC_QDSD_PINGROUP("sdc1_data", WEST + 0x18d000, 9, 0), + [5] = SDC_QDSD_PINGROUP("sdc2_clk", SOUTH + 0x58b000, 14, 6), + [6] = SDC_QDSD_PINGROUP("sdc2_cmd", SOUTH + 0x58b000, 11, 3), + [7] = SDC_QDSD_PINGROUP("sdc2_data", SOUTH + 0x58b000, 9, 0), +}; + +static const unsigned int sm6125_pin_offsets[] = { + [0] = WEST, [1] = WEST, [2] = WEST, [3] = WEST, + [4] = WEST, [5] = WEST, [6] = WEST, [7] = WEST, + [8] = WEST, [9] = WEST, [10] = EAST, [11] = EAST, + [12] = EAST, [13] = EAST, [14] = WEST, [15] = WEST, + [16] = WEST, [17] = WEST, [18] = EAST, [19] = EAST, + [20] = EAST, [21] = EAST, [22] = WEST, [23] = WEST, + [24] = WEST, [25] = WEST, [26] = WEST, [27] = WEST, + [28] = WEST, [29] = WEST, [30] = WEST, [31] = WEST, + [32] = WEST, [33] = WEST, [34] = SOUTH, [35] = SOUTH, + [36] = SOUTH, [37] = SOUTH, [38] = EAST, [39] = EAST, + [40] = EAST, [41] = EAST, [42] = EAST, [43] = EAST, + [44] = SOUTH, [45] = SOUTH, [46] = SOUTH, [47] = SOUTH, + [48] = SOUTH, [49] = SOUTH, [50] = SOUTH, [51] = SOUTH, + [52] = SOUTH, [53] = SOUTH, [54] = SOUTH, [55] = SOUTH, + [56] = SOUTH, [57] = SOUTH, [58] = SOUTH, [59] = SOUTH, + [60] = SOUTH, [61] = SOUTH, [62] = SOUTH, [63] = SOUTH, + [64] = SOUTH, [65] = SOUTH, [66] = SOUTH, [67] = SOUTH, + [68] = SOUTH, [69] = SOUTH, [70] = SOUTH, [71] = SOUTH, + [72] = SOUTH, [73] = SOUTH, [74] = SOUTH, [75] = SOUTH, + [76] = SOUTH, [77] = SOUTH, [78] = SOUTH, [79] = SOUTH, + [80] = SOUTH, [81] = SOUTH, [82] = SOUTH, [83] = SOUTH, + [84] = SOUTH, [85] = SOUTH, [86] = SOUTH, [87] = WEST, + [88] = WEST, [89] = WEST, [90] = WEST, [91] = WEST, + [92] = WEST, [93] = WEST, [94] = SOUTH, [95] = SOUTH, + [96] = SOUTH, [97] = SOUTH, [98] = SOUTH, [99] = SOUTH, + [100] = SOUTH, [101] = SOUTH, [102] = SOUTH, [103] = SOUTH, + [104] = EAST, [105] = EAST, [106] = EAST, [107] = EAST, + [108] = EAST, [109] = EAST, [110] = EAST, [111] = EAST, + [112] = EAST, [113] = EAST, [114] = EAST, [115] = EAST, + [116] = EAST, [117] = SOUTH, [118] = SOUTH, [119] = SOUTH, + [120] = SOUTH, [121] = EAST, [122] = EAST, [123] = EAST, + [124] = EAST, [125] = EAST, [126] = EAST, [127] = EAST, + [128] = EAST, [129] = SOUTH, [130] = SOUTH, [131] = SOUTH, + [132] = SOUTH, +}; + +static const char *sm6125_get_function_name(struct udevice *dev, + unsigned int selector) +{ + return msm_pinctrl_functions[selector].name; +} + +static const char *sm6125_get_pin_name(struct udevice *dev, + unsigned int selector) +{ + if (selector >= 133 && selector <= 140) + snprintf(pin_name, MAX_PIN_NAME_LEN, + msm_special_pins_data[selector - 133].name); + else + snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector); + + return pin_name; +} + +static int sm6125_get_function_mux(__maybe_unused unsigned int pin, + unsigned int selector) +{ + return msm_pinctrl_functions[selector].val; +} + +static struct msm_pinctrl_data sm6125_data = { + .pin_data = { + .pin_offsets = sm6125_pin_offsets, + .pin_count = 141, + .special_pins_start = 133, + .special_pins_data = msm_special_pins_data, + }, + .functions_count = ARRAY_SIZE(msm_pinctrl_functions), + .get_function_name = sm6125_get_function_name, + .get_function_mux = sm6125_get_function_mux, + .get_pin_name = sm6125_get_pin_name, +}; + +static const struct udevice_id msm_pinctrl_ids[] = { + { .compatible = "qcom,sm6125-tlmm", .data = (ulong)&sm6125_data }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(pinctrl_sm6125) = { + .name = "pinctrl_sm6125", + .id = UCLASS_NOP, + .of_match = msm_pinctrl_ids, + .ops = &msm_pinctrl_ops, + .bind = msm_pinctrl_bind, +}; -- 2.53.0
