2 * Copyright (C) 2016 Socionext Inc.
3 * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
5 * SPDX-License-Identifier: GPL-2.0+
13 #include <linux/compat.h>
14 #include <linux/dma-direction.h>
16 #include <linux/sizes.h>
17 #include <power/regulator.h>
18 #include <asm/unaligned.h>
20 #include "tmio-common.h"
22 static const struct dm_mmc_ops uniphier_sd_ops = {
23 .send_cmd = tmio_sd_send_cmd,
24 .set_ios = tmio_sd_set_ios,
25 .get_cd = tmio_sd_get_cd,
28 static const struct udevice_id uniphier_sd_match[] = {
29 { .compatible = "socionext,uniphier-sdhc", .data = 0 },
33 static int uniphier_sd_probe(struct udevice *dev)
35 struct tmio_sd_priv *priv = dev_get_priv(dev);
36 #ifndef CONFIG_SPL_BUILD
40 ret = clk_get_by_index(dev, 0, &clk);
42 dev_err(dev, "failed to get host clock\n");
47 priv->mclk = clk_set_rate(&clk, ULONG_MAX);
48 if (IS_ERR_VALUE(priv->mclk)) {
49 dev_err(dev, "failed to set rate for host clock\n");
54 ret = clk_enable(&clk);
57 dev_err(dev, "failed to enable host clock\n");
61 priv->mclk = 100000000;
64 return tmio_sd_probe(dev, 0);
67 U_BOOT_DRIVER(uniphier_mmc) = {
68 .name = "uniphier-mmc",
70 .of_match = uniphier_sd_match,
72 .probe = uniphier_sd_probe,
73 .priv_auto_alloc_size = sizeof(struct tmio_sd_priv),
74 .platdata_auto_alloc_size = sizeof(struct tmio_sd_plat),
75 .ops = &uniphier_sd_ops,