Introduce a pinctrl driver for SC7280/QCM6490, this is used by the RB3 Gen 2, FairPhone 5 and other devices.
Signed-off-by: Caleb Connolly caleb.connolly@linaro.org --- drivers/pinctrl/qcom/Kconfig | 7 +++ drivers/pinctrl/qcom/Makefile | 1 + drivers/pinctrl/qcom/pinctrl-sc7280.c | 106 ++++++++++++++++++++++++++++++++++ 3 files changed, 114 insertions(+)
diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig index 4f93a34281d5..1d510908d834 100644 --- a/drivers/pinctrl/qcom/Kconfig +++ b/drivers/pinctrl/qcom/Kconfig @@ -40,8 +40,15 @@ config PINCTRL_QCOM_QCS404 help Say Y here to enable support for pinctrl on the Snapdragon QCS404 SoC, as well as the associated GPIO driver.
+config PINCTRL_QCOM_SC7280 + bool "Qualcomm SC7280/QCM6490 GCC" + select PINCTRL_QCOM + help + Say Y here to enable support for pinctrl on the Snapdragon SC7280 SoC, + as well as the associated GPIO driver. + config PINCTRL_QCOM_SDM845 bool "Qualcomm SDM845 GCC" select PINCTRL_QCOM help diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile index 43d0dd292225..8ed41b2e1d99 100644 --- a/drivers/pinctrl/qcom/Makefile +++ b/drivers/pinctrl/qcom/Makefile @@ -7,8 +7,9 @@ obj-$(CONFIG_PINCTRL_QCOM_APQ8016) += pinctrl-apq8016.o obj-$(CONFIG_PINCTRL_QCOM_IPQ4019) += pinctrl-ipq4019.o obj-$(CONFIG_PINCTRL_QCOM_APQ8096) += pinctrl-apq8096.o obj-$(CONFIG_PINCTRL_QCOM_QCM2290) += pinctrl-qcm2290.o obj-$(CONFIG_PINCTRL_QCOM_QCS404) += pinctrl-qcs404.o +obj-$(CONFIG_PINCTRL_QCOM_SC7280) += pinctrl-sc7280.o obj-$(CONFIG_PINCTRL_QCOM_SDM845) += pinctrl-sdm845.o obj-$(CONFIG_PINCTRL_QCOM_SM6115) += pinctrl-sm6115.o obj-$(CONFIG_PINCTRL_QCOM_SM8150) += pinctrl-sm8150.o obj-$(CONFIG_PINCTRL_QCOM_SM8250) += pinctrl-sm8250.o diff --git a/drivers/pinctrl/qcom/pinctrl-sc7280.c b/drivers/pinctrl/qcom/pinctrl-sc7280.c new file mode 100644 index 000000000000..9aff9c81bc5f --- /dev/null +++ b/drivers/pinctrl/qcom/pinctrl-sc7280.c @@ -0,0 +1,106 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Qualcomm sc7280 pinctrl + * + * (C) Copyright 2024 Linaro Ltd. + * + */ + +#include <dm.h> + +#include "pinctrl-qcom.h" + +#define WEST 0x00000000 +#define SOUTH 0x00400000 +#define NORTH 0x00800000 + +#define MAX_PIN_NAME_LEN 32 +static char pin_name[MAX_PIN_NAME_LEN] __section(".data"); + +static const struct pinctrl_function msm_pinctrl_functions[] = { + { "qup05", 1 }, + { "gpio", 0 }, + { "pcie1_clkreqn", 3}, +}; +#define SDC_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 sc7280_special_pins_data[] = { + [0] = UFS_RESET("ufs_reset", SOUTH + 0xbe000), + [1] = SDC_PINGROUP("sdc1_rclk", 0xb3004, 0, 6), + [2] = SDC_PINGROUP("sdc1_clk", 0xb3000, 13, 6), + [3] = SDC_PINGROUP("sdc1_cmd", 0xb3000, 11, 3), + [4] = SDC_PINGROUP("sdc1_data", 0xb3000, 9, 0), + [5] = SDC_PINGROUP("sdc2_clk", 0xb4000, 14, 6), + [6] = SDC_PINGROUP("sdc2_cmd", 0xb4000, 11, 3), + [7] = SDC_PINGROUP("sdc2_data", 0xb4000, 9, 0), +}; + +static const char *sc7280_get_function_name(struct udevice *dev, unsigned int selector) +{ + return msm_pinctrl_functions[selector].name; +} + +static const char *sc7280_get_pin_name(struct udevice *dev, unsigned int selector) +{ + if (selector >= 175 && selector <= 182) + snprintf(pin_name, MAX_PIN_NAME_LEN, + sc7280_special_pins_data[selector - 175].name); + else + snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector); + + return pin_name; +} + +static unsigned int sc7280_get_function_mux(__maybe_unused unsigned int pin, unsigned int selector) +{ + return msm_pinctrl_functions[selector].val; +} + +static struct msm_pinctrl_data sc7280_data = { + .pin_data = { + .pin_count = 183, + .special_pins_start = 175, + .special_pins_data = sc7280_special_pins_data, + }, + .functions_count = ARRAY_SIZE(msm_pinctrl_functions), + .get_function_name = sc7280_get_function_name, + .get_function_mux = sc7280_get_function_mux, + .get_pin_name = sc7280_get_pin_name, +}; + +static const struct udevice_id msm_pinctrl_ids[] = { + { + .compatible = "qcom,sc7280-pinctrl", + .data = (ulong)&sc7280_data + }, + { /* Sentinel */ } }; + +U_BOOT_DRIVER(pinctrl_sc7280) = { + .name = "pinctrl_sc7280", + .id = UCLASS_NOP, + .of_match = msm_pinctrl_ids, + .ops = &msm_pinctrl_ops, + .bind = msm_pinctrl_bind, +};