1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2019 IBM Corp.
4 * Eddie James <eajames@linux.ibm.com>
12 #include <linux/err.h>
15 struct aspeed_sdhci_plat {
16 struct mmc_config cfg;
20 static int aspeed_sdhci_probe(struct udevice *dev)
22 struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
23 struct aspeed_sdhci_plat *plat = dev_get_plat(dev);
24 struct sdhci_host *host = dev_get_priv(dev);
29 ret = clk_get_by_index(dev, 0, &clk);
31 debug("%s: clock get failed %d\n", __func__, ret);
35 ret = clk_enable(&clk);
37 debug("%s: clock enable failed %d\n", __func__, ret);
41 host->name = dev->name;
42 host->ioaddr = dev_read_addr_ptr(dev);
44 max_clk = clk_get_rate(&clk);
45 if (IS_ERR_VALUE(max_clk)) {
47 debug("%s: clock rate get failed %d\n", __func__, ret);
51 host->max_clk = max_clk;
52 host->mmc = &plat->mmc;
54 host->mmc->priv = host;
55 upriv->mmc = host->mmc;
57 ret = sdhci_setup_cfg(&plat->cfg, host, 0, 0);
61 ret = sdhci_probe(dev);
74 static int aspeed_sdhci_bind(struct udevice *dev)
76 struct aspeed_sdhci_plat *plat = dev_get_plat(dev);
78 return sdhci_bind(dev, &plat->mmc, &plat->cfg);
81 static const struct udevice_id aspeed_sdhci_ids[] = {
82 { .compatible = "aspeed,ast2400-sdhci" },
83 { .compatible = "aspeed,ast2500-sdhci" },
84 { .compatible = "aspeed,ast2600-sdhci" },
88 U_BOOT_DRIVER(aspeed_sdhci_drv) = {
89 .name = "aspeed_sdhci",
91 .of_match = aspeed_sdhci_ids,
93 .bind = aspeed_sdhci_bind,
94 .probe = aspeed_sdhci_probe,
95 .priv_auto = sizeof(struct sdhci_host),
96 .plat_auto = sizeof(struct aspeed_sdhci_plat),
100 static int aspeed_sdc_probe(struct udevice *parent)
105 ret = clk_get_by_index(parent, 0, &clk);
107 debug("%s: clock get failed %d\n", __func__, ret);
111 ret = clk_enable(&clk);
113 debug("%s: clock enable failed %d\n", __func__, ret);
120 static const struct udevice_id aspeed_sdc_ids[] = {
121 { .compatible = "aspeed,ast2400-sd-controller" },
122 { .compatible = "aspeed,ast2500-sd-controller" },
123 { .compatible = "aspeed,ast2600-sd-controller" },
127 U_BOOT_DRIVER(aspeed_sdc_drv) = {
128 .name = "aspeed_sdc",
130 .of_match = aspeed_sdc_ids,
131 .probe = aspeed_sdc_probe,