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path: root/drivers/mfd/tc6387xb.c
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Diffstat (limited to 'drivers/mfd/tc6387xb.c')
-rw-r--r--drivers/mfd/tc6387xb.c228
1 files changed, 0 insertions, 228 deletions
diff --git a/drivers/mfd/tc6387xb.c b/drivers/mfd/tc6387xb.c
deleted file mode 100644
index 5392da6ba7b0..000000000000
--- a/drivers/mfd/tc6387xb.c
+++ /dev/null
@@ -1,228 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Toshiba TC6387XB support
- * Copyright (c) 2005 Ian Molton
- *
- * This file contains TC6387XB base support.
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/mfd/core.h>
-#include <linux/mfd/tmio.h>
-#include <linux/mfd/tc6387xb.h>
-#include <linux/slab.h>
-
-enum {
- TC6387XB_CELL_MMC,
-};
-
-struct tc6387xb {
- void __iomem *scr;
- struct clk *clk32k;
- struct resource rscr;
-};
-
-static const struct resource tc6387xb_mmc_resources[] = {
- {
- .start = 0x800,
- .end = 0x9ff,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-/*--------------------------------------------------------------------------*/
-
-static int tc6387xb_suspend(struct platform_device *dev, pm_message_t state)
-{
- struct tc6387xb *tc6387xb = platform_get_drvdata(dev);
- struct tc6387xb_platform_data *pdata = dev_get_platdata(&dev->dev);
-
- if (pdata && pdata->suspend)
- pdata->suspend(dev);
- clk_disable_unprepare(tc6387xb->clk32k);
-
- return 0;
-}
-
-static int tc6387xb_resume(struct platform_device *dev)
-{
- struct tc6387xb *tc6387xb = platform_get_drvdata(dev);
- struct tc6387xb_platform_data *pdata = dev_get_platdata(&dev->dev);
-
- clk_prepare_enable(tc6387xb->clk32k);
- if (pdata && pdata->resume)
- pdata->resume(dev);
-
- tmio_core_mmc_resume(tc6387xb->scr + 0x200, 0,
- tc6387xb_mmc_resources[0].start & 0xfffe);
-
- return 0;
-}
-
-/*--------------------------------------------------------------------------*/
-
-static void tc6387xb_mmc_pwr(struct platform_device *mmc, int state)
-{
- struct tc6387xb *tc6387xb = dev_get_drvdata(mmc->dev.parent);
-
- tmio_core_mmc_pwr(tc6387xb->scr + 0x200, 0, state);
-}
-
-static void tc6387xb_mmc_clk_div(struct platform_device *mmc, int state)
-{
- struct tc6387xb *tc6387xb = dev_get_drvdata(mmc->dev.parent);
-
- tmio_core_mmc_clk_div(tc6387xb->scr + 0x200, 0, state);
-}
-
-
-static int tc6387xb_mmc_enable(struct platform_device *mmc)
-{
- struct tc6387xb *tc6387xb = dev_get_drvdata(mmc->dev.parent);
-
- clk_prepare_enable(tc6387xb->clk32k);
-
- tmio_core_mmc_enable(tc6387xb->scr + 0x200, 0,
- tc6387xb_mmc_resources[0].start & 0xfffe);
-
- return 0;
-}
-
-static int tc6387xb_mmc_disable(struct platform_device *mmc)
-{
- struct tc6387xb *tc6387xb = dev_get_drvdata(mmc->dev.parent);
-
- clk_disable_unprepare(tc6387xb->clk32k);
-
- return 0;
-}
-
-static struct tmio_mmc_data tc6387xb_mmc_data = {
- .hclk = 24000000,
- .set_pwr = tc6387xb_mmc_pwr,
- .set_clk_div = tc6387xb_mmc_clk_div,
-};
-
-/*--------------------------------------------------------------------------*/
-
-static const struct mfd_cell tc6387xb_cells[] = {
- [TC6387XB_CELL_MMC] = {
- .name = "tmio-mmc",
- .enable = tc6387xb_mmc_enable,
- .disable = tc6387xb_mmc_disable,
- .platform_data = &tc6387xb_mmc_data,
- .pdata_size = sizeof(tc6387xb_mmc_data),
- .num_resources = ARRAY_SIZE(tc6387xb_mmc_resources),
- .resources = tc6387xb_mmc_resources,
- },
-};
-
-static int tc6387xb_probe(struct platform_device *dev)
-{
- struct tc6387xb_platform_data *pdata = dev_get_platdata(&dev->dev);
- struct resource *iomem, *rscr;
- struct clk *clk32k;
- struct tc6387xb *tc6387xb;
- int irq, ret;
-
- iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
- if (!iomem)
- return -EINVAL;
-
- tc6387xb = kzalloc(sizeof(*tc6387xb), GFP_KERNEL);
- if (!tc6387xb)
- return -ENOMEM;
-
- ret = platform_get_irq(dev, 0);
- if (ret >= 0)
- irq = ret;
- else
- goto err_no_irq;
-
- clk32k = clk_get(&dev->dev, "CLK_CK32K");
- if (IS_ERR(clk32k)) {
- ret = PTR_ERR(clk32k);
- goto err_no_clk;
- }
-
- rscr = &tc6387xb->rscr;
- rscr->name = "tc6387xb-core";
- rscr->start = iomem->start;
- rscr->end = iomem->start + 0xff;
- rscr->flags = IORESOURCE_MEM;
-
- ret = request_resource(iomem, rscr);
- if (ret)
- goto err_resource;
-
- tc6387xb->scr = ioremap(rscr->start, resource_size(rscr));
- if (!tc6387xb->scr) {
- ret = -ENOMEM;
- goto err_ioremap;
- }
-
- tc6387xb->clk32k = clk32k;
- platform_set_drvdata(dev, tc6387xb);
-
- if (pdata && pdata->enable)
- pdata->enable(dev);
-
- dev_info(&dev->dev, "Toshiba tc6387xb initialised\n");
-
- ret = mfd_add_devices(&dev->dev, dev->id, tc6387xb_cells,
- ARRAY_SIZE(tc6387xb_cells), iomem, irq, NULL);
-
- if (!ret)
- return 0;
-
- iounmap(tc6387xb->scr);
-err_ioremap:
- release_resource(&tc6387xb->rscr);
-err_resource:
- clk_put(clk32k);
-err_no_clk:
-err_no_irq:
- kfree(tc6387xb);
- return ret;
-}
-
-static int tc6387xb_remove(struct platform_device *dev)
-{
- struct tc6387xb *tc6387xb = platform_get_drvdata(dev);
-
- mfd_remove_devices(&dev->dev);
- iounmap(tc6387xb->scr);
- release_resource(&tc6387xb->rscr);
- clk_disable_unprepare(tc6387xb->clk32k);
- clk_put(tc6387xb->clk32k);
- kfree(tc6387xb);
-
- return 0;
-}
-
-
-static struct platform_driver tc6387xb_platform_driver = {
- .driver = {
- .name = "tc6387xb",
- },
- .probe = tc6387xb_probe,
- .remove = tc6387xb_remove,
- .suspend = pm_sleep_ptr(tc6387xb_suspend),
- .resume = pm_sleep_ptr(tc6387xb_resume),
-};
-
-module_platform_driver(tc6387xb_platform_driver);
-
-MODULE_DESCRIPTION("Toshiba TC6387XB core driver");
-MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Ian Molton");
-MODULE_ALIAS("platform:tc6387xb");
-