drivers/mmc/aspeed_sdhci.c

1 // SPDX-License-Identifier: GPL-2.0+
5  * Rockchip SD Host Controller Interface
10 #include <dt-structs.h>
36 	struct sdhci_host *host = prv->host;  in aspeed_sdhci_probe()
47 		pr_debug("%s: Can't get clock for %s: %d\n", __func__, dev->name,  in aspeed_sdhci_probe()
60 	//1: sd card pwr, 0: no pwr  in aspeed_sdhci_probe()
61 	gpio_request_by_name_nodev(offset_to_ofnode(node), "pwr-gpios", 0,  in aspeed_sdhci_probe()
62 				   &host->pwr_gpio, GPIOD_IS_OUT);  in aspeed_sdhci_probe()
63 	if (dm_gpio_is_valid(&host->pwr_gpio)) {  in aspeed_sdhci_probe()
65 		dm_gpio_set_value(&host->pwr_gpio, 1);  in aspeed_sdhci_probe()
73 	gpio_request_by_name_nodev(offset_to_ofnode(node), "pwr-sw-gpios", 0,  in aspeed_sdhci_probe()
74 				   &host->pwr_sw_gpio, GPIOD_IS_OUT);  in aspeed_sdhci_probe()
76 	if (dm_gpio_is_valid(&host->pwr_sw_gpio)) {  in aspeed_sdhci_probe()
77 		dm_gpio_set_value(&host->pwr_sw_gpio, 1);  in aspeed_sdhci_probe()
84 //	host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD;  in aspeed_sdhci_probe()
85 	host->max_clk = clock;  in aspeed_sdhci_probe()
86 	f_max = dev_read_u32_default(dev, "max-frequency", clock);  in aspeed_sdhci_probe()
88 	host->bus_width = dev_read_u32_default(dev, "bus-width", 4);  in aspeed_sdhci_probe()
90 	if (host->bus_width == 8)  in aspeed_sdhci_probe()
91 		host->host_caps |= MMC_MODE_8BIT;  in aspeed_sdhci_probe()
93 	ret = sdhci_setup_cfg(&plat->cfg, host, f_max, EMMC_MIN_FREQ);  in aspeed_sdhci_probe()
95 	host->mmc = &plat->mmc;  in aspeed_sdhci_probe()
99 	host->mmc->drv_type = dev_read_u32_default(dev, "sdhci-drive-type", 0);  in aspeed_sdhci_probe()
100 	host->mmc->priv = host;  in aspeed_sdhci_probe()
101 	host->mmc->dev = dev;  in aspeed_sdhci_probe()
102 	upriv->mmc = host->mmc;  in aspeed_sdhci_probe()
111 	priv->host = calloc(1, sizeof(struct sdhci_host));  in aspeed_sdhci_ofdata_to_platdata()
112 	if (!priv->host)  in aspeed_sdhci_ofdata_to_platdata()
113 			return -1;  in aspeed_sdhci_ofdata_to_platdata()
115 	priv->host->name = dev->name;  in aspeed_sdhci_ofdata_to_platdata()
116 	priv->host->ioaddr = (void *)dev_read_addr(dev);  in aspeed_sdhci_ofdata_to_platdata()
125 	return sdhci_bind(dev, &plat->mmc, &plat->cfg);  in aspeed_sdhci_bind()
129 	{ .compatible = "aspeed,sdhci-ast2500" },
130 	{ .compatible = "aspeed,sdhci-ast2600" },
131 	{ .compatible = "aspeed,emmc-ast2600" },