Add pinctrl driver for the TLMM block found in the X1E80100 SoC.
Signed-off-by: Neil Armstrong neil.armstrong@linaro.org --- drivers/pinctrl/qcom/Kconfig | 7 +++ drivers/pinctrl/qcom/Makefile | 1 + drivers/pinctrl/qcom/pinctrl-x1e80100.c | 100 ++++++++++++++++++++++++++++++++ 3 files changed, 108 insertions(+)
diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig index 4f93a34281d5327e2bb53e5b628106a1c5227755..d3eb699855103ae586e60afedb571cc93702a4ee 100644 --- a/drivers/pinctrl/qcom/Kconfig +++ b/drivers/pinctrl/qcom/Kconfig @@ -83,6 +83,13 @@ config PINCTRL_QCOM_SM8650 Say Y here to enable support for pinctrl on the Snapdragon SM8650 SoC, as well as the associated GPIO driver.
+config PINCTRL_QCOM_X1E80100 + bool "Qualcomm X1E80100 GCC" + select PINCTRL_QCOM + help + Say Y here to enable support for pinctrl on the Snapdragon X1E80100 SoC, + as well as the associated GPIO driver. + endmenu
endif diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile index 43d0dd2922253e93510242d66e8b56f9de72ea4e..06d3c95f93a624bd3cccbd8521f37cfa95a5d022 100644 --- a/drivers/pinctrl/qcom/Makefile +++ b/drivers/pinctrl/qcom/Makefile @@ -14,3 +14,4 @@ obj-$(CONFIG_PINCTRL_QCOM_SM8150) += pinctrl-sm8150.o obj-$(CONFIG_PINCTRL_QCOM_SM8250) += pinctrl-sm8250.o obj-$(CONFIG_PINCTRL_QCOM_SM8550) += pinctrl-sm8550.o obj-$(CONFIG_PINCTRL_QCOM_SM8650) += pinctrl-sm8650.o +obj-$(CONFIG_PINCTRL_QCOM_X1E80100) += pinctrl-x1e80100.o diff --git a/drivers/pinctrl/qcom/pinctrl-x1e80100.c b/drivers/pinctrl/qcom/pinctrl-x1e80100.c new file mode 100644 index 0000000000000000000000000000000000000000..2e2f5093272cf8c2a60eecf642ad9c567b539f84 --- /dev/null +++ b/drivers/pinctrl/qcom/pinctrl-x1e80100.c @@ -0,0 +1,100 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Qualcomm x1e80100 pinctrl + * + * (C) Copyright 2024 Linaro Ltd. + * + */ + +#include <dm.h> + +#include "pinctrl-qcom.h" + +#define MAX_PIN_NAME_LEN 32 +static char pin_name[MAX_PIN_NAME_LEN] __section(".data"); + +static const struct pinctrl_function msm_pinctrl_functions[] = { + {"qup2_se5", 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, ctl) \ + { \ + .name = pg_name, \ + .ctl_reg = ctl, \ + .io_reg = ctl + 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", 0xf9000), + [1] = SDC_QDSD_PINGROUP("sdc2_clk", 0xf2000, 14, 6), + [2] = SDC_QDSD_PINGROUP("sdc2_cmd", 0xf2000, 11, 3), + [3] = SDC_QDSD_PINGROUP("sdc2_data", 0xf2000, 9, 0), +}; + +static const char *x1e80100_get_function_name(struct udevice *dev, + unsigned int selector) +{ + return msm_pinctrl_functions[selector].name; +} + +static const char *x1e80100_get_pin_name(struct udevice *dev, + unsigned int selector) +{ + if (selector >= 238 && selector <= 241) + snprintf(pin_name, MAX_PIN_NAME_LEN, + msm_special_pins_data[selector - 238].name); + else + snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector); + + return pin_name; +} + +static unsigned int x1e80100_get_function_mux(__maybe_unused unsigned int pin, + unsigned int selector) +{ + return msm_pinctrl_functions[selector].val; +} + +static struct msm_pinctrl_data x1e80100_data = { + .pin_data = { + .pin_count = 242, + .special_pins_start = 238, + .special_pins_data = msm_special_pins_data, + }, + .functions_count = ARRAY_SIZE(msm_pinctrl_functions), + .get_function_name = x1e80100_get_function_name, + .get_function_mux = x1e80100_get_function_mux, + .get_pin_name = x1e80100_get_pin_name, +}; + +static const struct udevice_id msm_pinctrl_ids[] = { + { .compatible = "qcom,x1e80100-tlmm", .data = (ulong)&x1e80100_data }, + { /* Sentinel */ } +}; + +U_BOOT_DRIVER(pinctrl_x1e80100) = { + .name = "pinctrl_x1e80100", + .id = UCLASS_NOP, + .of_match = msm_pinctrl_ids, + .ops = &msm_pinctrl_ops, + .bind = msm_pinctrl_bind, +}; +