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/*
* Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <clk.h>
#include <fdtdec.h>
#include <mmc.h>
#include <dm.h>
#include <linux/compat.h>
#include <linux/dma-direction.h>
#include <linux/io.h>
#include <linux/sizes.h>
#include <power/regulator.h>
#include <asm/unaligned.h>
#include "matsushita-common.h"
static const struct dm_mmc_ops renesas_sdhi_ops = {
.send_cmd = matsu_sd_send_cmd,
.set_ios = matsu_sd_set_ios,
.get_cd = matsu_sd_get_cd,
};
#define RENESAS_GEN2_QUIRKS MATSU_SD_CAP_RCAR_GEN2
#define RENESAS_GEN3_QUIRKS \
MATSU_SD_CAP_64BIT | MATSU_SD_CAP_RCAR_GEN3 | MATSU_SD_CAP_RCAR_UHS
static const struct udevice_id renesas_sdhi_match[] = {
{ .compatible = "renesas,sdhi-r8a7790", .data = RENESAS_GEN2_QUIRKS },
{ .compatible = "renesas,sdhi-r8a7791", .data = RENESAS_GEN2_QUIRKS },
{ .compatible = "renesas,sdhi-r8a7792", .data = RENESAS_GEN2_QUIRKS },
{ .compatible = "renesas,sdhi-r8a7793", .data = RENESAS_GEN2_QUIRKS },
{ .compatible = "renesas,sdhi-r8a7794", .data = RENESAS_GEN2_QUIRKS },
{ .compatible = "renesas,sdhi-r8a7795", .data = RENESAS_GEN3_QUIRKS },
{ .compatible = "renesas,sdhi-r8a7796", .data = RENESAS_GEN3_QUIRKS },
{ .compatible = "renesas,sdhi-r8a77965", .data = RENESAS_GEN3_QUIRKS },
{ .compatible = "renesas,sdhi-r8a77970", .data = RENESAS_GEN3_QUIRKS },
{ .compatible = "renesas,sdhi-r8a77995", .data = RENESAS_GEN3_QUIRKS },
{ /* sentinel */ }
};
static int renesas_sdhi_probe(struct udevice *dev)
{
u32 quirks = dev_get_driver_data(dev);
struct fdt_resource reg_res;
DECLARE_GLOBAL_DATA_PTR;
int ret;
if (quirks == RENESAS_GEN2_QUIRKS) {
ret = fdt_get_resource(gd->fdt_blob, dev_of_offset(dev),
"reg", 0, ®_res);
if (ret < 0) {
dev_err(dev, "\"reg\" resource not found, ret=%i\n",
ret);
return ret;
}
if (fdt_resource_size(®_res) == 0x100)
quirks |= MATSU_SD_CAP_16BIT;
}
return matsu_sd_probe(dev, quirks);
}
U_BOOT_DRIVER(renesas_sdhi) = {
.name = "renesas-sdhi",
.id = UCLASS_MMC,
.of_match = renesas_sdhi_match,
.bind = matsu_sd_bind,
.probe = renesas_sdhi_probe,
.priv_auto_alloc_size = sizeof(struct matsu_sd_priv),
.platdata_auto_alloc_size = sizeof(struct matsu_sd_plat),
.ops = &renesas_sdhi_ops,
};
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