mfd: Remove toshiba tmio drivers

Four separate mfd drivers are in the "tmio" family, and all of
them were used in now-removed PXA machines (eseries, tosa, and
hx4700), so the mfd drivers and all its children can be removed
as well.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230105134622.254560-19-arnd@kernel.org

drivers/mfd/Kconfig

@@ -301,15 +301,6 @@ config MFD_CS47L92
 	help
 	  Support for Cirrus Logic CS42L92, CS47L92 and CS47L93 Smart Codecs
 
-config MFD_ASIC3
-	bool "Compaq ASIC3"
-	depends on GPIOLIB
-	depends on ARM || COMPILE_TEST
-	select MFD_CORE
-	help
-	  This driver supports the ASIC3 multifunction chip found on many
-	  PDAs (mainly iPAQ and HTC based ones)
-
 config PMIC_DA903X
 	bool "Dialog Semiconductor DA9030/DA9034 PMIC Support"
 	depends on I2C=y
@@ -1796,35 +1787,6 @@ config MFD_TC3589X
 	  additional drivers must be enabled in order to use the
 	  functionality of the device.
 
-config MFD_TMIO
-	bool
-	default n
-
-config MFD_T7L66XB
-	bool "Toshiba T7L66XB"
-	depends on ARM && HAVE_CLK
-	select MFD_CORE
-	select MFD_TMIO
-	help
-	  Support for Toshiba Mobile IO Controller T7L66XB
-
-config MFD_TC6387XB
-	bool "Toshiba TC6387XB"
-	depends on ARM && HAVE_CLK
-	select MFD_CORE
-	select MFD_TMIO
-	help
-	  Support for Toshiba Mobile IO Controller TC6387XB
-
-config MFD_TC6393XB
-	bool "Toshiba TC6393XB"
-	depends on ARM && HAVE_CLK
-	select GPIOLIB
-	select MFD_CORE
-	select MFD_TMIO
-	help
-	  Support for Toshiba Mobile IO Controller TC6393XB
-
 config MFD_TQMX86
 	tristate "TQ-Systems IO controller TQMX86"
 	select MFD_CORE

drivers/mfd/Makefile

@@ -9,7 +9,6 @@ obj-$(CONFIG_MFD_88PM800)	+= 88pm800.o 88pm80x.o
 obj-$(CONFIG_MFD_88PM805)	+= 88pm805.o 88pm80x.o
 obj-$(CONFIG_MFD_ACT8945A)	+= act8945a.o
 obj-$(CONFIG_MFD_SM501)		+= sm501.o
-obj-$(CONFIG_MFD_ASIC3)		+= asic3.o tmio_core.o
 obj-$(CONFIG_ARCH_BCM2835)	+= bcm2835-pm.o
 obj-$(CONFIG_MFD_BCM590XX)	+= bcm590xx.o
 obj-$(CONFIG_MFD_BD9571MWV)	+= bd9571mwv.o
@@ -30,9 +29,6 @@ obj-$(CONFIG_STMPE_I2C)		+= stmpe-i2c.o
 obj-$(CONFIG_STMPE_SPI)		+= stmpe-spi.o
 obj-$(CONFIG_MFD_SUN6I_PRCM)	+= sun6i-prcm.o
 obj-$(CONFIG_MFD_TC3589X)	+= tc3589x.o
-obj-$(CONFIG_MFD_T7L66XB)	+= t7l66xb.o tmio_core.o
-obj-$(CONFIG_MFD_TC6387XB)	+= tc6387xb.o tmio_core.o
-obj-$(CONFIG_MFD_TC6393XB)	+= tc6393xb.o tmio_core.o
 obj-$(CONFIG_MFD_TQMX86)	+= tqmx86.o
 
 obj-$(CONFIG_MFD_LOCHNAGAR)	+= lochnagar-i2c.o

drivers/mfd/tc6387xb.c

-// 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");
-

drivers/mfd/tmio_core.c

-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright(c) 2009 Ian Molton <spyro@f2s.com>
- */
-
-#include <linux/export.h>
-#include <linux/mfd/tmio.h>
-
-#define CNF_CMD     0x04
-#define CNF_CTL_BASE   0x10
-#define CNF_INT_PIN  0x3d
-#define CNF_STOP_CLK_CTL 0x40
-#define CNF_GCLK_CTL 0x41
-#define CNF_SD_CLK_MODE 0x42
-#define CNF_PIN_STATUS 0x44
-#define CNF_PWR_CTL_1 0x48
-#define CNF_PWR_CTL_2 0x49
-#define CNF_PWR_CTL_3 0x4a
-#define CNF_CARD_DETECT_MODE 0x4c
-#define CNF_SD_SLOT 0x50
-#define CNF_EXT_GCLK_CTL_1 0xf0
-#define CNF_EXT_GCLK_CTL_2 0xf1
-#define CNF_EXT_GCLK_CTL_3 0xf9
-#define CNF_SD_LED_EN_1 0xfa
-#define CNF_SD_LED_EN_2 0xfe
-
-#define   SDCREN 0x2   /* Enable access to MMC CTL regs. (flag in COMMAND_REG)*/
-
-int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base)
-{
-	/* Enable the MMC/SD Control registers */
-	sd_config_write16(cnf, shift, CNF_CMD, SDCREN);
-	sd_config_write32(cnf, shift, CNF_CTL_BASE, base & 0xfffe);
-
-	/* Disable SD power during suspend */
-	sd_config_write8(cnf, shift, CNF_PWR_CTL_3, 0x01);
-
-	/* The below is required but why? FIXME */
-	sd_config_write8(cnf, shift, CNF_STOP_CLK_CTL, 0x1f);
-
-	/* Power down SD bus */
-	sd_config_write8(cnf, shift, CNF_PWR_CTL_2, 0x00);
-
-	return 0;
-}
-EXPORT_SYMBOL(tmio_core_mmc_enable);
-
-int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base)
-{
-
-	/* Enable the MMC/SD Control registers */
-	sd_config_write16(cnf, shift, CNF_CMD, SDCREN);
-	sd_config_write32(cnf, shift, CNF_CTL_BASE, base & 0xfffe);
-
-	return 0;
-}
-EXPORT_SYMBOL(tmio_core_mmc_resume);
-
-void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state)
-{
-	sd_config_write8(cnf, shift, CNF_PWR_CTL_2, state ? 0x02 : 0x00);
-}
-EXPORT_SYMBOL(tmio_core_mmc_pwr);
-
-void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state)
-{
-	sd_config_write8(cnf, shift, CNF_SD_CLK_MODE, state ? 1 : 0);
-}
-EXPORT_SYMBOL(tmio_core_mmc_clk_div);
-

include/linux/mfd/t7l66xb.h

-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * This file contains the definitions for the T7L66XB
- *
- * (C) Copyright 2005 Ian Molton <spyro@f2s.com>
- */
-#ifndef MFD_T7L66XB_H
-#define MFD_T7L66XB_H
-
-#include <linux/mfd/core.h>
-#include <linux/mfd/tmio.h>
-
-struct t7l66xb_platform_data {
-	int (*enable)(struct platform_device *dev);
-	int (*suspend)(struct platform_device *dev);
-	int (*resume)(struct platform_device *dev);
-
-	int irq_base; /* The base for subdevice irqs */
-
-	struct tmio_nand_data *nand_data;
-};
-
-
-#define IRQ_T7L66XB_MMC        (1)
-#define IRQ_T7L66XB_NAND       (3)
-
-#define T7L66XB_NR_IRQS	8
-
-#endif

include/linux/mfd/tc6387xb.h

-/*
- * This file contains the definitions for the TC6387XB
- *
- * (C) Copyright 2005 Ian Molton <spyro@f2s.com>
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
- */
-#ifndef MFD_TC6387XB_H
-#define MFD_TC6387XB_H
-
-struct tc6387xb_platform_data {
-	int (*enable)(struct platform_device *dev);
-	int (*suspend)(struct platform_device *dev);
-	int (*resume)(struct platform_device *dev);
-};
-
-#endif

include/linux/mfd/tc6393xb.h

-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Toshiba TC6393XB SoC support
- *
- * Copyright(c) 2005-2006 Chris Humbert
- * Copyright(c) 2005 Dirk Opfer
- * Copyright(c) 2005 Ian Molton <spyro@f2s.com>
- * Copyright(c) 2007 Dmitry Baryshkov
- *
- * Based on code written by Sharp/Lineo for 2.4 kernels
- * Based on locomo.c
- */
-
-#ifndef MFD_TC6393XB_H
-#define MFD_TC6393XB_H
-
-#include <linux/fb.h>
-
-/* Also one should provide the CK3P6MI clock */
-struct tc6393xb_platform_data {
-	u16	scr_pll2cr;	/* PLL2 Control */
-	u16	scr_gper;	/* GP Enable */
-
-	int	(*enable)(struct platform_device *dev);
-	void	(*disable)(struct platform_device *dev);
-	int	(*suspend)(struct platform_device *dev);
-	int	(*resume)(struct platform_device *dev);
-
-	int	irq_base;	/* base for subdevice irqs */
-
-	struct tmio_nand_data	*nand_data;
-	struct tmio_fb_data	*fb_data;
-
-	unsigned resume_restore : 1; /* make special actions
-					to preserve the state
-					on suspend/resume */
-};
-
-extern int tc6393xb_lcd_mode(struct platform_device *fb,
-			     const struct fb_videomode *mode);
-extern int tc6393xb_lcd_set_power(struct platform_device *fb, bool on);
-
-/*
- * Relative to irq_base
- */
-#define	IRQ_TC6393_NAND		0
-#define	IRQ_TC6393_MMC		1
-#define	IRQ_TC6393_OHCI		2
-#define	IRQ_TC6393_FB		4
-
-#define	TC6393XB_NR_IRQS	8
-
-#endif

include/linux/mfd/tmio.h

@@ -84,11 +84,6 @@
 /* Some controllers have a CBSY bit */
 #define TMIO_MMC_HAVE_CBSY		BIT(11)
 
-int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
-int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
-void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
-void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);
-
 struct dma_chan;
 
 /*