u-boot/drivers/pinctrl/nxp/pinctrl-imx7.c
Peng Fan c4068dfb31 pinctrl: imx: Support i.MX7D
Introudce i.MX7 pinctrl driver support.
For now only i.MX7D supported.
There are two iomux controllers in i.MX7D, iomuxc and iomuxc_lpsr.
To iomuxc_lpsr, ZERO_OFFSET_VALID is set, means offset of mux_reg
and conf_reg can begin at 0.

Signed-off-by: Peng Fan <van.freenix@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2016-02-21 11:25:29 +01:00

41 lines
1.1 KiB
C

/*
* Copyright (C) 2016 Peng Fan <van.freenix@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <dm/device.h>
#include <dm/pinctrl.h>
#include "pinctrl-imx.h"
static struct imx_pinctrl_soc_info imx7_pinctrl_soc_info;
static struct imx_pinctrl_soc_info imx7_lpsr_pinctrl_soc_info = {
.flags = ZERO_OFFSET_VALID,
};
static int imx7_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 imx7_pinctrl_match[] = {
{ .compatible = "fsl,imx7d-iomuxc", .data = (ulong)&imx7_pinctrl_soc_info },
{ .compatible = "fsl,imx7d-iomuxc-lpsr", .data = (ulong)&imx7_lpsr_pinctrl_soc_info },
{ /* sentinel */ }
};
U_BOOT_DRIVER(imx7_pinctrl) = {
.name = "imx7-pinctrl",
.id = UCLASS_PINCTRL,
.of_match = of_match_ptr(imx7_pinctrl_match),
.probe = imx7_pinctrl_probe,
.remove = imx_pinctrl_remove,
.priv_auto_alloc_size = sizeof(struct imx_pinctrl_priv),
.ops = &imx_pinctrl_ops,
.flags = DM_FLAG_PRE_RELOC,
};