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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2022 NXP
*/
#include <dm/device.h>
#include <dm/device_compat.h>
#include <dm/pinctrl.h>
#include <linux/bitops.h>
#include <linux/types.h>
#include <asm/io.h>
#include "pinctrl-imx.h"
static struct imx_pinctrl_soc_info imx9_pinctrl_soc_info __section(".data") = {
.flags = ZERO_OFFSET_VALID,
};
static const struct udevice_id imx9_pinctrl_match[] = {
#if IS_ENABLED(CONFIG_IMX93)
{ .compatible = "fsl,imx93-iomuxc", .data = (ulong)&imx9_pinctrl_soc_info },
#endif
#if IS_ENABLED(CONFIG_IMX91)
{ .compatible = "fsl,imx91-iomuxc", .data = (ulong)&imx9_pinctrl_soc_info },
#endif
{ /* sentinel */ }
};
#if CONFIG_IS_ENABLED(CMD_PINMUX)
#if IS_ENABLED(CONFIG_IMX93)
#include "pinctrl-imx93.c"
#elif IS_ENABLED(CONFIG_IMX91)
#include "pinctrl-imx91.c"
#endif
static int imx9_get_pins_count(struct udevice *dev)
{
return ARRAY_SIZE(imx9_pinctrl_pads);
}
static const char *imx9_get_pin_name(struct udevice *dev, unsigned int selector)
{
/* sanity checking */
if (selector != imx9_pinctrl_pads[selector].number) {
dev_err(dev,
"selector(%u) not match with imx9_pinctrl_pads[selector].number(%u)\n",
selector, imx9_pinctrl_pads[selector].number);
return NULL;
}
return imx9_pinctrl_pads[selector].name;
}
static int imx9_get_pin_muxing(struct udevice *dev, unsigned int selector,
char *buf, int size)
{
struct imx_pinctrl_priv *priv = dev_get_priv(dev);
struct imx_pinctrl_soc_info *info = priv->info;
u32 mux_reg = selector << 2;
u32 mux_mode = readl(info->base + mux_reg);
u32 sion = mux_mode >> 4;
snprintf(buf, size, "Function(%d) SION(%d) at: 0x%p", mux_mode & 0x7, sion,
info->base + mux_reg);
return 0;
}
#endif
static const struct pinctrl_ops imx9_pinctrl_ops = {
#if CONFIG_IS_ENABLED(CMD_PINMUX)
.get_pin_name = imx9_get_pin_name,
.get_pins_count = imx9_get_pins_count,
.get_pin_muxing = imx9_get_pin_muxing,
#endif
.set_state = imx_pinctrl_set_state_mmio,
};
U_BOOT_DRIVER(imx9_pinctrl) = {
.name = "imx9-pinctrl",
.id = UCLASS_PINCTRL,
.of_match = of_match_ptr(imx9_pinctrl_match),
.probe = imx_pinctrl_probe_mmio,
.remove = imx_pinctrl_remove_mmio,
.priv_auto = sizeof(struct imx_pinctrl_priv),
.ops = &imx9_pinctrl_ops,
.flags = DM_FLAG_PRE_RELOC,
};
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