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From a6a6faf1dbb90c950fe55a1719720457bfb5830a Mon Sep 17 00:00:00 2001
From: Ian Molton <spyro@f2s.com>
Date: Sun, 16 Dec 2007 02:19:49 +0000
Subject: [PATCH 05/64] Add support for tc6387xb MFD core
---
drivers/mfd/Kconfig | 6 ++
drivers/mfd/Makefile | 1 +
drivers/mfd/tc6387xb.c | 163 ++++++++++++++++++++++++++++++++++++++++++
include/linux/mfd/tc6387xb.h | 28 +++++++
4 files changed, 198 insertions(+), 0 deletions(-)
create mode 100644 drivers/mfd/tc6387xb.c
create mode 100644 include/linux/mfd/tc6387xb.h
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 9903d0a..1575323 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -9,6 +9,12 @@ config MFD_CORE
tristate
default n
+config MFD_TC6387XB
+ bool "Support Toshiba TC6387XB"
+ select MFD_CORE
+ help
+ Support for Toshiba Mobile IO Controller TC6387XB
+
config MFD_TC6393XB
bool "Support Toshiba TC6393XB"
select MFD_CORE
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index ffd342e..41b2190 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -6,6 +6,7 @@ obj-$(CONFIG_MFD_SM501) += sm501.o
obj-$(CONFIG_MFD_CORE) += mfd-core.o
+obj-$(CONFIG_MFD_TC6387XB) += tc6387xb.o
obj-$(CONFIG_MFD_TC6393XB) += tc6393xb.o
obj-$(CONFIG_MCP) += mcp-core.o
diff --git a/drivers/mfd/tc6387xb.c b/drivers/mfd/tc6387xb.c
new file mode 100644
index 0000000..c81fca2
--- /dev/null
+++ b/drivers/mfd/tc6387xb.c
@@ -0,0 +1,163 @@
+/*
+ * Toshiba TC6387XB support
+ * Copyright (c) 2005 Ian Molton
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This file contains TC6387XB base support.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+
+#include <linux/mfd-core.h>
+#include <linux/mfd/tc6387xb.h>
+
+#ifdef CONFIG_PM
+static int tc6387xb_suspend(struct platform_device *dev, pm_message_t state)
+{
+ struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev);
+
+ if (pdata && pdata->suspend)
+ pdata->suspend(dev);
+
+ return 0;
+}
+
+static int tc6387xb_resume(struct platform_device *dev)
+{
+ struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev);
+
+ if (pdata && pdata->resume)
+ pdata->resume(dev);
+
+ return 0;
+}
+#else
+#define tc6387xb_suspend NULL
+#define tc6387xb_resume NULL
+#endif
+
+/*--------------------------------------------------------------------------*/
+
+static int tc6387xb_mmc_enable(struct platform_device *mmc) {
+ struct platform_device *dev = to_platform_device(mmc->dev.parent);
+ struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data;
+
+ if(tc6387xb->enable_mmc_clock)
+ tc6387xb->enable_mmc_clock(dev);
+
+ return 0;
+}
+
+static int tc6387xb_mmc_disable(struct platform_device *mmc) {
+ struct platform_device *dev = to_platform_device(mmc->dev.parent);
+ struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data;
+
+ if(tc6387xb->disable_mmc_clock)
+ tc6387xb->disable_mmc_clock(dev);
+
+ return 0;
+}
+
+
+/*--------------------------------------------------------------------------*/
+
+static struct resource tc6387xb_mmc_resources[] = {
+ {
+ .name = TMIO_MMC_CONTROL,
+ .start = 0x800,
+ .end = 0x9ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = TMIO_MMC_CONFIG,
+ .start = 0x200,
+ .end = 0x2ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = TMIO_MMC_IRQ,
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_MFD_SUBDEVICE,
+ },
+};
+
+static struct mfd_cell tc6387xb_cells[] = {
+ {
+ .name = "tmio-mmc",
+ .enable = tc6387xb_mmc_enable,
+ .disable = tc6387xb_mmc_disable,
+ .num_resources = ARRAY_SIZE(tc6387xb_mmc_resources),
+ .resources = tc6387xb_mmc_resources,
+ },
+};
+
+static int tc6387xb_probe(struct platform_device *dev)
+{
+ struct tc6387xb_platform_data *data = platform_get_drvdata(dev);
+ struct resource *iomem;
+ int irq;
+
+ iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
+ if (!iomem)
+ return -EINVAL;
+
+ irq = platform_get_irq(dev, 0);
+
+ if(data && data->enable)
+ data->enable(dev);
+
+ printk(KERN_INFO "Toshiba tc6393xb initialised\n");
+
+ return mfd_add_devices(dev, tc6387xb_cells, ARRAY_SIZE(tc6387xb_cells),
+ iomem, 0, irq);
+}
+
+static int tc6387xb_remove(struct platform_device *dev)
+{
+ struct tc6387xb_platform_data *data = platform_get_drvdata(dev);
+
+ if(data && data->disable)
+ data->disable(dev);
+
+ return 0;
+}
+
+
+static struct platform_driver tc6387xb_platform_driver = {
+ .driver = {
+ .name = "tc6387xb",
+ },
+ .probe = tc6387xb_probe,
+ .remove = tc6387xb_remove,
+ .suspend = tc6387xb_suspend,
+ .resume = tc6387xb_resume,
+};
+
+
+static int __init tc6387xb_init(void)
+{
+ return platform_driver_register (&tc6387xb_platform_driver);
+}
+
+static void __exit tc6387xb_exit(void)
+{
+ platform_driver_unregister(&tc6387xb_platform_driver);
+}
+
+module_init(tc6387xb_init);
+module_exit(tc6387xb_exit);
+
+MODULE_DESCRIPTION("Toshiba TC6387XB core driver");
+MODULE_LICENSE("GPLv2");
+MODULE_AUTHOR("Ian Molton");
diff --git a/include/linux/mfd/tc6387xb.h b/include/linux/mfd/tc6387xb.h
new file mode 100644
index 0000000..496770b
--- /dev/null
+++ b/include/linux/mfd/tc6387xb.h
@@ -0,0 +1,28 @@
+/*
+ * linux/include/asm-arm/hardware/tc6387xb.h
+ *
+ * This file contains the definitions for the TC6393XB
+ *
+ * (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_T7L66XB_H
+#define MFD_T7L66XB_H
+
+#include <linux/mfd-core.h>
+#include <linux/mfd/tmio.h>
+
+struct tc6387xb_platform_data
+{
+ int (*enable_mmc_clock)(struct platform_device *dev);
+ int (*disable_mmc_clock)(struct platform_device *dev);
+ int (*enable)(struct platform_device *dev);
+ int (*disable)(struct platform_device *dev);
+ int (*suspend)(struct platform_device *dev);
+ int (*resume)(struct platform_device *dev);
+};
+
+#endif
--
1.5.3.8
|
