From: Ye Li ye.li@nxp.com
Add pinctrl driver for i.MX8ULP
Signed-off-by: Ye Li ye.li@nxp.com Signed-off-by: Peng Fan peng.fan@nxp.com --- drivers/pinctrl/nxp/Kconfig | 14 +++++++++ drivers/pinctrl/nxp/Makefile | 1 + drivers/pinctrl/nxp/pinctrl-imx8ulp.c | 44 +++++++++++++++++++++++++++ 3 files changed, 59 insertions(+) create mode 100644 drivers/pinctrl/nxp/pinctrl-imx8ulp.c
diff --git a/drivers/pinctrl/nxp/Kconfig b/drivers/pinctrl/nxp/Kconfig index ec55351e61..4fb0916a37 100644 --- a/drivers/pinctrl/nxp/Kconfig +++ b/drivers/pinctrl/nxp/Kconfig @@ -60,6 +60,20 @@ config PINCTRL_IMX7ULP only parses the 'fsl,pins' property and configure related registers.
+config PINCTRL_IMX8ULP + bool "IMX8ULP pinctrl driver" + depends on ARCH_IMX8ULP && PINCTRL_FULL + select DEVRES + select PINCTRL_IMX + help + Say Y here to enable the imx8ulp pinctrl driver + + This provides a simple pinctrl driver for i.MX8ULP 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_IMX8 bool "IMX8 pinctrl driver" depends on ARCH_IMX8 && PINCTRL_FULL diff --git a/drivers/pinctrl/nxp/Makefile b/drivers/pinctrl/nxp/Makefile index 066ca75b65..f2fe0d8efa 100644 --- a/drivers/pinctrl/nxp/Makefile +++ b/drivers/pinctrl/nxp/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_PINCTRL_IMX5) += pinctrl-imx5.o obj-$(CONFIG_PINCTRL_IMX6) += pinctrl-imx6.o obj-$(CONFIG_PINCTRL_IMX7) += pinctrl-imx7.o obj-$(CONFIG_PINCTRL_IMX7ULP) += pinctrl-imx7ulp.o +obj-$(CONFIG_PINCTRL_IMX8ULP) += pinctrl-imx8ulp.o obj-$(CONFIG_PINCTRL_IMX_SCU) += pinctrl-scu.o obj-$(CONFIG_PINCTRL_IMX8) += pinctrl-imx8.o obj-$(CONFIG_PINCTRL_IMX8M) += pinctrl-imx8m.o diff --git a/drivers/pinctrl/nxp/pinctrl-imx8ulp.c b/drivers/pinctrl/nxp/pinctrl-imx8ulp.c new file mode 100644 index 0000000000..3f15f1dd45 --- /dev/null +++ b/drivers/pinctrl/nxp/pinctrl-imx8ulp.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2020 NXP + * + */ + +#include <common.h> +#include <dm.h> +#include <dm/pinctrl.h> + +#include "pinctrl-imx.h" + +static struct imx_pinctrl_soc_info imx8ulp_pinctrl_soc_info0 = { + .flags = ZERO_OFFSET_VALID | SHARE_MUX_CONF_REG | CONFIG_IBE_OBE, +}; + +static struct imx_pinctrl_soc_info imx8ulp_pinctrl_soc_info1 = { + .flags = ZERO_OFFSET_VALID | SHARE_MUX_CONF_REG | CONFIG_IBE_OBE, +}; + +static int imx8ulp_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 imx8ulp_pinctrl_match[] = { + { .compatible = "fsl,imx8ulp-iomuxc0", .data = (ulong)&imx8ulp_pinctrl_soc_info0 }, + { .compatible = "fsl,imx8ulp-iomuxc1", .data = (ulong)&imx8ulp_pinctrl_soc_info1 }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(imx8ulp_pinctrl) = { + .name = "imx8ulp-pinctrl", + .id = UCLASS_PINCTRL, + .of_match = of_match_ptr(imx8ulp_pinctrl_match), + .probe = imx8ulp_pinctrl_probe, + .remove = imx_pinctrl_remove, + .priv_auto = sizeof(struct imx_pinctrl_priv), + .ops = &imx_pinctrl_ops, + .flags = DM_FLAG_PRE_RELOC, +};