ralink: update patches

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 37016

1 files changed, 0 insertions, 266 deletions

diff --git a/target/linux/ramips/patches-3.8/0130-GPIO-MIPS-ralink-adds-ralink-gpio-support.patch b/target/linux/ramips/patches-3.8/0130-GPIO-MIPS-ralink-adds-ralink-gpio-support.patch
deleted file mode 100644
index cdff4312dd..0000000000
--- a/target/linux/ramips/patches-3.8/0130-GPIO-MIPS-ralink-adds-ralink-gpio-support.patch
+++ /dev/null
@@ -1,266 +0,0 @@
-From 007ab7fe49bfcaa220372260eedeb4eed51f1631 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Tue, 22 Jan 2013 18:24:34 +0100
-Subject: [PATCH 130/137] GPIO: MIPS: ralink: adds ralink gpio support
-
-Add gpio driver for Ralink SoC. This driver makes the gpio core on
-RT2880, RT305x, rt3352, rt3662, rt3883, rt5350 and mt7620 work.
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- arch/mips/Kconfig                        |    1 +
- arch/mips/include/asm/mach-ralink/gpio.h |   24 ++++
- drivers/gpio/Kconfig                     |    6 +
- drivers/gpio/Makefile                    |    1 +
- drivers/gpio/gpio-ralink.c               |  176 ++++++++++++++++++++++++++++++
- 5 files changed, 208 insertions(+)
- create mode 100644 arch/mips/include/asm/mach-ralink/gpio.h
- create mode 100644 drivers/gpio/gpio-ralink.c
-
---- a/arch/mips/Kconfig
-+++ b/arch/mips/Kconfig
-@@ -449,6 +449,7 @@ config RALINK
- 	select SYS_HAS_EARLY_PRINTK
- 	select HAVE_MACH_CLKDEV
- 	select CLKDEV_LOOKUP
-+	select ARCH_REQUIRE_GPIOLIB
- 
- config SGI_IP22
- 	bool "SGI IP22 (Indy/Indigo2)"
---- /dev/null
-+++ b/arch/mips/include/asm/mach-ralink/gpio.h
-@@ -0,0 +1,24 @@
-+/*
-+ *  Ralink SoC GPIO API support
-+ *
-+ *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
-+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
-+ *
-+ *  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.
-+ *
-+ */
-+
-+#ifndef __ASM_MACH_RALINK_GPIO_H
-+#define __ASM_MACH_RALINK_GPIO_H
-+
-+#define ARCH_NR_GPIOS	128
-+#include <asm-generic/gpio.h>
-+
-+#define gpio_get_value	__gpio_get_value
-+#define gpio_set_value	__gpio_set_value
-+#define gpio_cansleep	__gpio_cansleep
-+#define gpio_to_irq	__gpio_to_irq
-+
-+#endif /* __ASM_MACH_RALINK_GPIO_H */
---- a/drivers/gpio/Kconfig
-+++ b/drivers/gpio/Kconfig
-@@ -201,6 +201,12 @@ config GPIO_PXA
- 	help
- 	  Say yes here to support the PXA GPIO device
- 
-+config GPIO_RALINK
-+	bool "Ralink GPIO Support"
-+	depends on RALINK
-+	help
-+	  Say yes here to support the Ralink SoC GPIO device
-+
- config GPIO_SPEAR_SPICS
- 	bool "ST SPEAr13xx SPI Chip Select as GPIO support"
- 	depends on PLAT_SPEAR
---- a/drivers/gpio/Makefile
-+++ b/drivers/gpio/Makefile
-@@ -54,6 +54,7 @@ obj-$(CONFIG_GPIO_PCF857X)	+= gpio-pcf85
- obj-$(CONFIG_GPIO_PCH)		+= gpio-pch.o
- obj-$(CONFIG_GPIO_PL061)	+= gpio-pl061.o
- obj-$(CONFIG_GPIO_PXA)		+= gpio-pxa.o
-+obj-$(CONFIG_GPIO_RALINK)	+= gpio-ralink.o
- obj-$(CONFIG_GPIO_RC5T583)	+= gpio-rc5t583.o
- obj-$(CONFIG_GPIO_RDC321X)	+= gpio-rdc321x.o
- obj-$(CONFIG_PLAT_SAMSUNG)	+= gpio-samsung.o
---- /dev/null
-+++ b/drivers/gpio/gpio-ralink.c
-@@ -0,0 +1,182 @@
-+/*
-+ * 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.
-+ *
-+ * Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org>
-+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/io.h>
-+#include <linux/gpio.h>
-+#include <linux/spinlock.h>
-+#include <linux/platform_device.h>
-+
-+enum ralink_gpio_reg {
-+	GPIO_REG_INT = 0,
-+	GPIO_REG_EDGE,
-+	GPIO_REG_RENA,
-+	GPIO_REG_FENA,
-+	GPIO_REG_DATA,
-+	GPIO_REG_DIR,
-+	GPIO_REG_POL,
-+	GPIO_REG_SET,
-+	GPIO_REG_RESET,
-+	GPIO_REG_TOGGLE,
-+	GPIO_REG_MAX
-+};
-+
-+struct ralink_gpio_chip {
-+	struct gpio_chip chip;
-+	u8 regs[GPIO_REG_MAX];
-+
-+	spinlock_t lock;
-+	void __iomem *membase;
-+};
-+
-+static inline struct ralink_gpio_chip *to_ralink_gpio(struct gpio_chip *chip)
-+{
-+	struct ralink_gpio_chip *rg;
-+
-+	rg = container_of(chip, struct ralink_gpio_chip, chip);
-+	return rg;
-+}
-+
-+static inline void rt_gpio_w32(struct ralink_gpio_chip *rg, u8 reg, u32 val)
-+{
-+	iowrite32(val, rg->membase + rg->regs[reg]);
-+}
-+
-+static inline u32 rt_gpio_r32(struct ralink_gpio_chip *rg, u8 reg)
-+{
-+	return ioread32(rg->membase + rg->regs[reg]);
-+}
-+
-+static void ralink_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
-+{
-+	struct ralink_gpio_chip *rg = to_ralink_gpio(chip);
-+
-+	rt_gpio_w32(rg, (value) ? GPIO_REG_SET : GPIO_REG_RESET, BIT(offset));
-+}
-+
-+static int ralink_gpio_get(struct gpio_chip *chip, unsigned offset)
-+{
-+	struct ralink_gpio_chip *rg = to_ralink_gpio(chip);
-+
-+	return !!(rt_gpio_r32(rg, GPIO_REG_DATA) & BIT(offset));
-+}
-+
-+static int ralink_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
-+{
-+	struct ralink_gpio_chip *rg = to_ralink_gpio(chip);
-+	unsigned long flags;
-+	u32 t;
-+
-+	spin_lock_irqsave(&rg->lock, flags);
-+	t = rt_gpio_r32(rg, GPIO_REG_DIR);
-+	t &= ~BIT(offset);
-+	rt_gpio_w32(rg, GPIO_REG_DIR, t);
-+	spin_unlock_irqrestore(&rg->lock, flags);
-+
-+	return 0;
-+}
-+
-+static int ralink_gpio_direction_output(struct gpio_chip *chip,
-+					unsigned offset, int value)
-+{
-+	struct ralink_gpio_chip *rg = to_ralink_gpio(chip);
-+	unsigned long flags;
-+	u32 t;
-+
-+	spin_lock_irqsave(&rg->lock, flags);
-+	ralink_gpio_set(chip, offset, value);
-+	t = rt_gpio_r32(rg, GPIO_REG_DIR);
-+	t |= BIT(offset);
-+	rt_gpio_w32(rg, GPIO_REG_DIR, t);
-+	spin_unlock_irqrestore(&rg->lock, flags);
-+
-+	return 0;
-+}
-+
-+static int ralink_gpio_probe(struct platform_device *pdev)
-+{
-+	struct device_node *np = pdev->dev.of_node;
-+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+	struct ralink_gpio_chip *gc;
-+	const __be32 *ngpio;
-+	const __be32 *gpiobase;
-+
-+	if (!res) {
-+		dev_err(&pdev->dev, "failed to find resource\n");
-+		return -ENOMEM;
-+	}
-+
-+	gc = devm_kzalloc(&pdev->dev,
-+				sizeof(struct ralink_gpio_chip), GFP_KERNEL);
-+	if (!gc)
-+		return -ENOMEM;
-+
-+	gc->membase = devm_request_and_ioremap(&pdev->dev, res);
-+	if (!gc->membase) {
-+		dev_err(&pdev->dev, "cannot remap I/O memory region\n");
-+		return -ENOMEM;
-+	}
-+
-+	if (of_property_read_u8_array(np, "ralink,register-map",
-+			gc->regs, GPIO_REG_MAX)) {
-+		dev_err(&pdev->dev, "failed to read register definition\n");
-+		return -EINVAL;
-+	}
-+
-+	ngpio = of_get_property(np, "ralink,num-gpios", NULL);
-+	if (!ngpio) {
-+		dev_err(&pdev->dev, "failed to read number of pins\n");
-+		return -EINVAL;
-+	}
-+
-+	gpiobase = of_get_property(np, "ralink,gpio-base", NULL);
-+	if (gpiobase)
-+		gc->chip.base = be32_to_cpu(*gpiobase);
-+	else
-+		gc->chip.base = -1;
-+
-+	gc->chip.label = dev_name(&pdev->dev);
-+	gc->chip.of_node = np;
-+	gc->chip.ngpio = be32_to_cpu(*ngpio);
-+	gc->chip.direction_input = ralink_gpio_direction_input;
-+	gc->chip.direction_output = ralink_gpio_direction_output;
-+	gc->chip.get = ralink_gpio_get;
-+	gc->chip.set = ralink_gpio_set;
-+
-+	spin_lock_init(&gc->lock);
-+
-+	/* set polarity to low for all lines */
-+	rt_gpio_w32(gc, GPIO_REG_POL, 0);
-+
-+	dev_info(&pdev->dev, "registering %d gpios\n", gc->chip.ngpio);
-+
-+	return gpiochip_add(&gc->chip);
-+}
-+
-+static const struct of_device_id ralink_gpio_match[] = {
-+	{ .compatible = "ralink,rt2880-gpio" },
-+	{},
-+};
-+MODULE_DEVICE_TABLE(of, ralink_gpio_match);
-+
-+static struct platform_driver ralink_gpio_driver = {
-+	.probe = ralink_gpio_probe,
-+	.driver = {
-+		.name = "rt2880_gpio",
-+		.owner = THIS_MODULE,
-+		.of_match_table = ralink_gpio_match,
-+	},
-+};
-+
-+static int __init ralink_gpio_init(void)
-+{
-+	return platform_driver_register(&ralink_gpio_driver);
-+}
-+
-+subsys_initcall(ralink_gpio_init);