diff options
| -rw-r--r-- | drivers/pinctrl/sunxi/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/pinctrl/sunxi/Makefile | 1 | ||||
| -rw-r--r-- | drivers/pinctrl/sunxi/pinctrl-sun55i-a523-r.c | 54 |
3 files changed, 60 insertions, 0 deletions
diff --git a/drivers/pinctrl/sunxi/Kconfig b/drivers/pinctrl/sunxi/Kconfig index 0cbe466683650..dc62eba96348e 100644 --- a/drivers/pinctrl/sunxi/Kconfig +++ b/drivers/pinctrl/sunxi/Kconfig @@ -136,4 +136,9 @@ config PINCTRL_SUN55I_A523 default ARM64 && ARCH_SUNXI select PINCTRL_SUNXI +config PINCTRL_SUN55I_A523_R + bool "Support for the Allwinner A523 R-PIO" + default ARM64 && ARCH_SUNXI + select PINCTRL_SUNXI + endif diff --git a/drivers/pinctrl/sunxi/Makefile b/drivers/pinctrl/sunxi/Makefile index 4e55508ff7f76..951b3f1e4b4f1 100644 --- a/drivers/pinctrl/sunxi/Makefile +++ b/drivers/pinctrl/sunxi/Makefile @@ -28,5 +28,6 @@ obj-$(CONFIG_PINCTRL_SUN50I_H6_R) += pinctrl-sun50i-h6-r.o obj-$(CONFIG_PINCTRL_SUN50I_H616) += pinctrl-sun50i-h616.o obj-$(CONFIG_PINCTRL_SUN50I_H616_R) += pinctrl-sun50i-h616-r.o obj-$(CONFIG_PINCTRL_SUN55I_A523) += pinctrl-sun55i-a523.o +obj-$(CONFIG_PINCTRL_SUN55I_A523_R) += pinctrl-sun55i-a523-r.o obj-$(CONFIG_PINCTRL_SUN9I_A80) += pinctrl-sun9i-a80.o obj-$(CONFIG_PINCTRL_SUN9I_A80_R) += pinctrl-sun9i-a80-r.o diff --git a/drivers/pinctrl/sunxi/pinctrl-sun55i-a523-r.c b/drivers/pinctrl/sunxi/pinctrl-sun55i-a523-r.c new file mode 100644 index 0000000000000..69cd2b4ebd7d7 --- /dev/null +++ b/drivers/pinctrl/sunxi/pinctrl-sun55i-a523-r.c @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Allwinner A523 SoC r-pinctrl driver. + * + * Copyright (C) 2024 Arm Ltd. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/pinctrl/pinctrl.h> + +#include "pinctrl-sunxi.h" + +static const u8 a523_r_nr_bank_pins[SUNXI_PINCTRL_MAX_BANKS] = +/* PL PM */ + { 14, 6 }; + +static const unsigned int a523_r_irq_bank_map[] = { 0, 1 }; + +static const u8 a523_r_irq_bank_muxes[SUNXI_PINCTRL_MAX_BANKS] = +/* PL PM */ + { 14, 14 }; + +static struct sunxi_pinctrl_desc a523_r_pinctrl_data = { + .irq_banks = ARRAY_SIZE(a523_r_irq_bank_map), + .irq_bank_map = a523_r_irq_bank_map, + .irq_read_needs_mux = true, + .io_bias_cfg_variant = BIAS_VOLTAGE_PIO_POW_MODE_SEL, + .pin_base = PL_BASE, +}; + +static int a523_r_pinctrl_probe(struct platform_device *pdev) +{ + return sunxi_pinctrl_dt_table_init(pdev, a523_r_nr_bank_pins, + a523_r_irq_bank_muxes, + &a523_r_pinctrl_data, + SUNXI_PINCTRL_NEW_REG_LAYOUT); +} + +static const struct of_device_id a523_r_pinctrl_match[] = { + { .compatible = "allwinner,sun55i-a523-r-pinctrl", }, + {} +}; + +static struct platform_driver a523_r_pinctrl_driver = { + .probe = a523_r_pinctrl_probe, + .driver = { + .name = "sun55i-a523-r-pinctrl", + .of_match_table = a523_r_pinctrl_match, + }, +}; +builtin_platform_driver(a523_r_pinctrl_driver); |