1 // SPDX-License-Identifier: GPL-2.0
3  * Driver for the MMC / SD / SDIO cell found in:
62 	divisor = host->pdata->hclk / new_clock;  in tmio_mmc_set_clock()
64 	/* bit7 set: 1/512, ... bit0 set: 1/4, all bits clear: 1/2 */  in tmio_mmc_set_clock()
66 	clk = clk_sel ? 0 : (roundup_pow_of_two(divisor) >> 2);  in tmio_mmc_set_clock()
68 	host->pdata->set_clk_div(host->pdev, clk_sel);  in tmio_mmc_set_clock()
90 	const struct mfd_cell *cell = mfd_get_cell(pdev);  in tmio_mmc_suspend()  local
96 	if (!ret && cell->disable)  in tmio_mmc_suspend()
97 		cell->disable(pdev);  in tmio_mmc_suspend()
105 	const struct mfd_cell *cell = mfd_get_cell(pdev);  in tmio_mmc_resume()  local
109 	if (cell->resume)  in tmio_mmc_resume()
110 		ret = cell->resume(pdev);  in tmio_mmc_resume()
121 	const struct mfd_cell *cell = mfd_get_cell(pdev);  in tmio_mmc_probe()  local
125 	int ret = -EINVAL, irq;  in tmio_mmc_probe()
127 	if (pdev->num_resources != 2)  in tmio_mmc_probe()
130 	pdata = pdev->dev.platform_data;  in tmio_mmc_probe()
131 	if (!pdata || !pdata->hclk)  in tmio_mmc_probe()
141 	if (cell->enable) {  in tmio_mmc_probe()
142 		ret = cell->enable(pdev);  in tmio_mmc_probe()
149 		ret = -EINVAL;  in tmio_mmc_probe()
160 	host->bus_shift = resource_size(res) >> 10;  in tmio_mmc_probe()
161 	host->set_clock = tmio_mmc_set_clock;  in tmio_mmc_probe()
162 	host->reset = tmio_mmc_reset;  in tmio_mmc_probe()
164 	host->mmc->f_max = pdata->hclk;  in tmio_mmc_probe()
165 	host->mmc->f_min = pdata->hclk / 512;  in tmio_mmc_probe()
171 	ret = devm_request_irq(&pdev->dev, irq, tmio_mmc_irq,  in tmio_mmc_probe()
173 			       dev_name(&pdev->dev), host);  in tmio_mmc_probe()
177 	pr_info("%s at 0x%p irq %d\n", mmc_hostname(host->mmc), host->ctl, irq);  in tmio_mmc_probe()
186 	if (cell->disable)  in tmio_mmc_probe()
187 		cell->disable(pdev);  in tmio_mmc_probe()
194 	const struct mfd_cell *cell = mfd_get_cell(pdev);  in tmio_mmc_remove()  local
198 	if (cell->disable)  in tmio_mmc_remove()
199 		cell->disable(pdev);  in tmio_mmc_remove()
204 /* ------------------- device registration ----------------------- */
214 		.name = "tmio-mmc",
227 MODULE_ALIAS("platform:tmio-mmc");