Add i.MXRT pinctrl driver.
Signed-off-by: Giulio Benetti giulio.benetti@benettiengineering.com --- drivers/pinctrl/nxp/Kconfig | 14 ++++++++++ drivers/pinctrl/nxp/Makefile | 1 + drivers/pinctrl/nxp/pinctrl-imxrt.c | 40 +++++++++++++++++++++++++++++ 3 files changed, 55 insertions(+) create mode 100644 drivers/pinctrl/nxp/pinctrl-imxrt.c
diff --git a/drivers/pinctrl/nxp/Kconfig b/drivers/pinctrl/nxp/Kconfig index f2e67ca231..ec55351e61 100644 --- a/drivers/pinctrl/nxp/Kconfig +++ b/drivers/pinctrl/nxp/Kconfig @@ -99,6 +99,20 @@ config PINCTRL_MXS familiy, e.g. i.MX28. This feature depends on device tree configuration.
+config PINCTRL_IMXRT + bool "IMXRT pinctrl driver" + depends on ARCH_IMXRT && PINCTRL_FULL + select DEVRES + select PINCTRL_IMX + help + Say Y here to enable the imxrt pinctrl driver + + This provides a simple pinctrl driver for i.MXRT SoC familiy. + This feature depends on device tree configuration. This driver + is different from the linux one, this is a simple implementation, + only parses the 'fsl,pins' property and configure related + registers. + config PINCTRL_VYBRID bool "Vybrid (vf610) pinctrl driver" depends on ARCH_VF610 && PINCTRL_FULL diff --git a/drivers/pinctrl/nxp/Makefile b/drivers/pinctrl/nxp/Makefile index b86448aac9..066ca75b65 100644 --- a/drivers/pinctrl/nxp/Makefile +++ b/drivers/pinctrl/nxp/Makefile @@ -8,3 +8,4 @@ obj-$(CONFIG_PINCTRL_IMX8) += pinctrl-imx8.o obj-$(CONFIG_PINCTRL_IMX8M) += pinctrl-imx8m.o obj-$(CONFIG_PINCTRL_MXS) += pinctrl-mxs.o obj-$(CONFIG_PINCTRL_VYBRID) += pinctrl-vf610.o +obj-$(CONFIG_PINCTRL_IMXRT) += pinctrl-imxrt.o diff --git a/drivers/pinctrl/nxp/pinctrl-imxrt.c b/drivers/pinctrl/nxp/pinctrl-imxrt.c new file mode 100644 index 0000000000..4a93941927 --- /dev/null +++ b/drivers/pinctrl/nxp/pinctrl-imxrt.c @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019 + * Author(s): Giulio Benetti giulio.benetti@benettiengineering.com + */ + +#include <common.h> +#include <dm.h> +#include <dm/pinctrl.h> + +#include "pinctrl-imx.h" + +static struct imx_pinctrl_soc_info imxrt_pinctrl_soc_info = { + .flags = ZERO_OFFSET_VALID, +}; + +static int imxrt_pinctrl_probe(struct udevice *dev) +{ + struct imx_pinctrl_soc_info *info = + (struct imx_pinctrl_soc_info *)dev_get_driver_data(dev); + + return imx_pinctrl_probe(dev, info); +} + +static const struct udevice_id imxrt_pinctrl_match[] = { + { .compatible = "fsl,imxrt-iomuxc", + .data = (ulong)&imxrt_pinctrl_soc_info }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(imxrt_pinctrl) = { + .name = "imxrt-pinctrl", + .id = UCLASS_PINCTRL, + .of_match = of_match_ptr(imxrt_pinctrl_match), + .probe = imxrt_pinctrl_probe, + .remove = imx_pinctrl_remove, + .priv_auto_alloc_size = sizeof(struct imx_pinctrl_priv), + .ops = &imx_pinctrl_ops, + .flags = DM_FLAG_PRE_RELOC, +};