diff options
Diffstat (limited to 'target/linux/rdc/patches-2.6.32/001-rdc321x_mfd_southbridge.patch')
-rw-r--r-- | target/linux/rdc/patches-2.6.32/001-rdc321x_mfd_southbridge.patch | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/target/linux/rdc/patches-2.6.32/001-rdc321x_mfd_southbridge.patch b/target/linux/rdc/patches-2.6.32/001-rdc321x_mfd_southbridge.patch deleted file mode 100644 index 8aed071e30..0000000000 --- a/target/linux/rdc/patches-2.6.32/001-rdc321x_mfd_southbridge.patch +++ /dev/null @@ -1,194 +0,0 @@ -This patch adds a new MFD driver for the RDC321x southbridge. This southbridge -is always present in the RDC321x System-on-a-Chip and provides access to some -GPIOs as well as a watchdog. Access to these two functions is done using the -southbridge PCI device configuration space. - -Signed-off-by: Florian Fainelli <florian@openwrt.org> ---- -Changes from v2: -- pass the pci_dev pointer to MFD cell drivers as platform_data -- remove the printk(KERN_ERR and use dev_err instead -- removed pci_dev accessors -- use DEFINE_PCI_DEVICE_TABLE - ---- a/drivers/mfd/Kconfig -+++ b/drivers/mfd/Kconfig -@@ -305,6 +305,15 @@ config EZX_PCAP - This enables the PCAP ASIC present on EZX Phones. This is - needed for MMC, TouchScreen, Sound, USB, etc.. - -+config MFD_RDC321X -+ tristate "Support for RDC-R321x southbridge" -+ select MFD_CORE -+ depends on PCI -+ help -+ Say yes here if you want to have support for the RDC R-321x SoC -+ southbridge which provides access to GPIOs and Watchdog using the -+ southbridge PCI device configuration space. -+ - endmenu - - menu "Multimedia Capabilities Port drivers" ---- a/drivers/mfd/Makefile -+++ b/drivers/mfd/Makefile -@@ -50,3 +50,5 @@ obj-$(CONFIG_PCF50633_ADC) += pcf50633-a - obj-$(CONFIG_PCF50633_GPIO) += pcf50633-gpio.o - obj-$(CONFIG_AB3100_CORE) += ab3100-core.o - obj-$(CONFIG_AB3100_OTP) += ab3100-otp.o -+ -+obj-$(CONFIG_MFD_RDC321X) += rdc321x-southbridge.o ---- /dev/null -+++ b/drivers/mfd/rdc321x-southbridge.c -@@ -0,0 +1,123 @@ -+/* -+ * RDC321x MFD southbrige driver -+ * -+ * Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org> -+ * Copyright (C) 2010 Bernhard Loos <bernhardloos@googlemail.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -+ * -+ */ -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/platform_device.h> -+#include <linux/pci.h> -+#include <linux/mfd/core.h> -+#include <linux/mfd/rdc321x.h> -+ -+static struct rdc321x_wdt_pdata rdc321x_wdt_pdata; -+ -+static struct resource rdc321x_wdt_resource[] = { -+ { -+ .name = "wdt-reg", -+ .start = RDC321X_WDT_CTRL, -+ .end = RDC321X_WDT_CTRL + 0x3, -+ .flags = IORESOURCE_IO, -+ } -+}; -+ -+static struct rdc321x_gpio_pdata rdc321x_gpio_pdata = { -+ .max_gpios = RDC321X_MAX_GPIO, -+}; -+ -+static struct resource rdc321x_gpio_resources[] = { -+ { -+ .name = "gpio-reg1", -+ .start = RDC321X_GPIO_CTRL_REG1, -+ .end = RDC321X_GPIO_CTRL_REG1 + 0x7, -+ .flags = IORESOURCE_IO, -+ }, { -+ .name = "gpio-reg2", -+ .start = RDC321X_GPIO_CTRL_REG2, -+ .end = RDC321X_GPIO_CTRL_REG2 + 0x7, -+ .flags = IORESOURCE_IO, -+ } -+}; -+ -+static struct mfd_cell rdc321x_sb_cells[] = { -+ { -+ .name = "rdc321x-wdt", -+ .resources = rdc321x_wdt_resource, -+ .num_resources = ARRAY_SIZE(rdc321x_wdt_resource), -+ .driver_data = &rdc321x_wdt_pdata, -+ }, { -+ .name = "rdc321x-gpio", -+ .resources = rdc321x_gpio_resources, -+ .num_resources = ARRAY_SIZE(rdc321x_gpio_resources), -+ .driver_data = &rdc321x_gpio_pdata, -+ }, -+}; -+ -+static int __devinit rdc321x_sb_probe(struct pci_dev *pdev, -+ const struct pci_device_id *ent) -+{ -+ int err; -+ -+ err = pci_enable_device(pdev); -+ if (err) { -+ dev_err(&pdev->dev, "failed to enable device\n"); -+ return err; -+ } -+ -+ rdc321x_gpio_pdata.sb_pdev = pdev; -+ rdc321x_wdt_pdata.sb_pdev = pdev; -+ -+ return mfd_add_devices(&pdev->dev, -1, -+ rdc321x_sb_cells, ARRAY_SIZE(rdc321x_sb_cells), NULL, 0); -+} -+ -+static void __devexit rdc321x_sb_remove(struct pci_dev *pdev) -+{ -+ mfd_remove_devices(&pdev->dev); -+} -+ -+static DEFINE_PCI_DEVICE_TABLE(rdc321x_sb_table) = { -+ { PCI_DEVICE(PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030) }, -+ {} -+}; -+ -+static struct pci_driver rdc321x_sb_driver = { -+ .name = "RDC321x Southbridge", -+ .id_table = rdc321x_sb_table, -+ .probe = rdc321x_sb_probe, -+ .remove = __devexit_p(rdc321x_sb_remove), -+}; -+ -+static int __init rdc321x_sb_init(void) -+{ -+ return pci_register_driver(&rdc321x_sb_driver); -+} -+ -+static void __exit rdc321x_sb_exit(void) -+{ -+ pci_unregister_driver(&rdc321x_sb_driver); -+} -+ -+module_init(rdc321x_sb_init); -+module_exit(rdc321x_sb_exit); -+ -+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); -+MODULE_LICENSE("GPL"); -+MODULE_DESCRIPTION("RDC R-321x MFD southbridge driver"); ---- /dev/null -+++ b/include/linux/mfd/rdc321x.h -@@ -0,0 +1,26 @@ -+#ifndef __RDC321X_MFD_H -+#define __RDC321X_MFD_H -+ -+#include <linux/types.h> -+#include <linux/pci.h> -+ -+/* Offsets to be accessed in the southbridge PCI -+ * device configuration register */ -+#define RDC321X_WDT_CTRL 0x44 -+#define RDC321X_GPIO_CTRL_REG1 0x48 -+#define RDC321X_GPIO_DATA_REG1 0x4c -+#define RDC321X_GPIO_CTRL_REG2 0x84 -+#define RDC321X_GPIO_DATA_REG2 0x88 -+ -+#define RDC321X_MAX_GPIO 58 -+ -+struct rdc321x_gpio_pdata { -+ struct pci_dev *sb_pdev; -+ unsigned max_gpios; -+}; -+ -+struct rdc321x_wdt_pdata { -+ struct pci_dev *sb_pdev; -+}; -+ -+#endif /* __RDC321X_MFD_H */ |