1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (C) 2023-2025 SpacemiT (Hangzhou) Technology Co. Ltd
20 #include "sdhci.h"
21 #include "sdhci-pltfm.h"
101 	if (!(host->mmc->caps2 & MMC_CAP2_NO_MMC))  in spacemit_sdhci_reset()
115 	if (!(host->mmc->caps2 & MMC_CAP2_NO_SDIO))  in spacemit_sdhci_set_uhs_signaling()
121 	struct mmc_host *mmc = host->mmc;  in spacemit_sdhci_set_clock()
123 	if (mmc->ios.timing <= MMC_TIMING_UHS_SDR50)  in spacemit_sdhci_set_clock()
150 	ret = readl_poll_timeout(host->ioaddr + SPACEMIT_SDHC_PHY_DLLSTS, state,  in spacemit_sdhci_phy_dll_init()
152 	if (ret == -ETIMEDOUT)  in spacemit_sdhci_phy_dll_init()
153 		dev_warn(mmc_dev(host->mmc), "fail to lock phy dll in 100us!\n");  in spacemit_sdhci_phy_dll_init()
160 	if (!ios->enhanced_strobe) {  in spacemit_sdhci_hs400_enhanced_strobe()
173 	return clk_get_rate(pltfm_host->clk);  in spacemit_sdhci_clk_get_max_clock()
213 	sdhst->clk_core = devm_clk_get_enabled(dev, "core");  in spacemit_sdhci_get_clocks()
214 	if (IS_ERR(sdhst->clk_core))  in spacemit_sdhci_get_clocks()
215 		return -EINVAL;  in spacemit_sdhci_get_clocks()
217 	sdhst->clk_io = devm_clk_get_enabled(dev, "io");  in spacemit_sdhci_get_clocks()
218 	if (IS_ERR(sdhst->clk_io))  in spacemit_sdhci_get_clocks()
219 		return -EINVAL;  in spacemit_sdhci_get_clocks()
221 	pltfm_host->clk = sdhst->clk_io;  in spacemit_sdhci_get_clocks()
247 	{ .compatible = "spacemit,k1-sdhci" },
254 	struct device *dev = &pdev->dev;  in spacemit_sdhci_probe()
267 	ret = mmc_of_parse(host->mmc);  in spacemit_sdhci_probe()
273 	if (!(host->mmc->caps2 & MMC_CAP2_NO_MMC)) {  in spacemit_sdhci_probe()
274 		mops = &host->mmc_host_ops;  in spacemit_sdhci_probe()
275 		mops->hs400_prepare_ddr	= spacemit_sdhci_pre_select_hs400;  in spacemit_sdhci_probe()
276 		mops->hs400_complete	= spacemit_sdhci_post_select_hs400;  in spacemit_sdhci_probe()
277 		mops->hs400_downgrade	= spacemit_sdhci_pre_hs400_to_hs200;  in spacemit_sdhci_probe()
278 		mops->hs400_enhanced_strobe = spacemit_sdhci_hs400_enhanced_strobe;  in spacemit_sdhci_probe()
281 	host->mmc->caps |= MMC_CAP_NEED_RSP_BUSY;  in spacemit_sdhci_probe()
299 		.name	= "sdhci-spacemit",
307 MODULE_DESCRIPTION("SpacemiT SDHCI platform driver");