u-boot/drivers/pinctrl/nxp/pinctrl-imx.c
Marek Vasut 07358b7ac6 pinctrl: imx: Split MMIO accessors into pinctrl-imx-mmio.c
Split MMIO accessors into pinctrl-imx-mmio.c and build this
file only if Kconfig symbol PINCTRL_IMX_MMIO is selected.
Select PINCTRL_IMX_MMIO Kconfig symbol for all but pinctrl-imx8.c
driver, which does not use the MMIO accessors. This reduces the
amount of code compiled on platforms which do not use the code.

No functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
2025-01-25 09:06:32 -03:00

73 lines
1.5 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 Peng Fan <van.freenix@gmail.com>
*/
#include <malloc.h>
#include <mapmem.h>
#include <asm/global_data.h>
#include <dm/device_compat.h>
#include <dm/devres.h>
#include <linux/bitops.h>
#include <linux/io.h>
#include <linux/err.h>
#include <dm.h>
#include <dm/pinctrl.h>
#include "pinctrl-imx.h"
DECLARE_GLOBAL_DATA_PTR;
int imx_pinctrl_set_state_common(struct udevice *dev, struct udevice *config,
int pin_size, u32 **pin_data, int *npins)
{
ofnode node = dev_ofnode(config);
const struct fdt_property *prop;
int size;
dev_dbg(dev, "%s: %s\n", __func__, config->name);
prop = ofnode_get_property(node, "fsl,pins", &size);
if (!prop) {
dev_err(dev, "No fsl,pins property in node %s\n", config->name);
return -EINVAL;
}
if (!size || size % pin_size) {
dev_err(dev, "Invalid fsl,pins property in node %s\n",
config->name);
return -EINVAL;
}
*pin_data = devm_kzalloc(dev, size, 0);
if (!*pin_data)
return -ENOMEM;
if (ofnode_read_u32_array(node, "fsl,pins", *pin_data, size >> 2)) {
dev_err(dev, "Error reading pin data.\n");
devm_kfree(dev, *pin_data);
return -EINVAL;
}
*npins = size / pin_size;
return 0;
}
int imx_pinctrl_probe_common(struct udevice *dev)
{
struct imx_pinctrl_soc_info *info =
(struct imx_pinctrl_soc_info *)dev_get_driver_data(dev);
struct imx_pinctrl_priv *priv = dev_get_priv(dev);
if (!info) {
dev_err(dev, "wrong pinctrl info\n");
return -EINVAL;
}
priv->dev = dev;
priv->info = info;
return 0;
}