diff options
Diffstat (limited to 'target/linux/octeon/patches-3.10/130-gpio.patch')
| -rw-r--r-- | target/linux/octeon/patches-3.10/130-gpio.patch | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/target/linux/octeon/patches-3.10/130-gpio.patch b/target/linux/octeon/patches-3.10/130-gpio.patch deleted file mode 100644 index 9312f33f88..0000000000 --- a/target/linux/octeon/patches-3.10/130-gpio.patch +++ /dev/null @@ -1,214 +0,0 @@ -Index: linux-3.10.49/drivers/gpio/Kconfig -=================================================================== ---- linux-3.10.49.orig/drivers/gpio/Kconfig 2014-07-18 00:58:15.000000000 +0200 -+++ linux-3.10.49/drivers/gpio/Kconfig 2014-08-07 11:41:16.517169817 +0200 -@@ -171,6 +171,14 @@ - Qualcomm MSM chips. Most of the pins on the MSM can be - selected for GPIO, and are controlled by this driver. - -+config GPIO_OCTEON -+ tristate "Cavium OCTEON GPIO" -+ depends on GPIOLIB && CPU_CAVIUM_OCTEON -+ default y -+ help -+ Say yes here to support the on-chip GPIO lines on the OCTEON -+ family of SOCs. -+ - config GPIO_MVEBU - def_bool y - depends on PLAT_ORION -Index: linux-3.10.49/drivers/gpio/Makefile -=================================================================== ---- linux-3.10.49.orig/drivers/gpio/Makefile 2014-07-18 00:58:15.000000000 +0200 -+++ linux-3.10.49/drivers/gpio/Makefile 2014-08-07 11:41:16.517169817 +0200 -@@ -10,6 +10,7 @@ - # Device drivers. Generally keep list sorted alphabetically - obj-$(CONFIG_GPIO_GENERIC) += gpio-generic.o - -+obj-$(CONFIG_GPIO_OCTEON) += gpio-octeon.o - obj-$(CONFIG_GPIO_74X164) += gpio-74x164.o - obj-$(CONFIG_GPIO_ADNP) += gpio-adnp.o - obj-$(CONFIG_GPIO_ADP5520) += gpio-adp5520.o -Index: linux-3.10.49/drivers/gpio/gpio-octeon.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.10.49/drivers/gpio/gpio-octeon.c 2014-08-07 11:53:14.733161106 +0200 -@@ -0,0 +1,166 @@ -+/* -+ * This file is subject to the terms and conditions of the GNU General Public -+ * License. See the file "COPYING" in the main directory of this archive -+ * for more details. -+ * -+ * Copyright (C) 2011,2012 Cavium Inc. -+ */ -+ -+#include <linux/platform_device.h> -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/gpio.h> -+#include <linux/io.h> -+ -+#include <asm/octeon/octeon.h> -+#include <asm/octeon/cvmx-gpio-defs.h> -+ -+#define DRV_VERSION "1.0" -+#define DRV_DESCRIPTION "Cavium Inc. OCTEON GPIO Driver" -+ -+#define RX_DAT 0x80 -+#define TX_SET 0x88 -+#define TX_CLEAR 0x90 -+ -+int gpio_to_irq(unsigned gpio) -+{ -+ return -EINVAL; -+} -+EXPORT_SYMBOL(gpio_to_irq); -+ -+/* -+ * The address offset of the GPIO configuration register for a given -+ * line. -+ */ -+static unsigned int bit_cfg_reg(unsigned int gpio) -+{ -+ if (gpio < 16) -+ return 8 * gpio; -+ else -+ return 8 * (gpio - 16) + 0x100; -+} -+ -+struct octeon_gpio { -+ struct gpio_chip chip; -+ u64 register_base; -+}; -+ -+static int octeon_gpio_dir_in(struct gpio_chip *chip, unsigned offset) -+{ -+ struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip); -+ -+ cvmx_write_csr(gpio->register_base + bit_cfg_reg(offset), 0); -+ return 0; -+} -+ -+static void octeon_gpio_set(struct gpio_chip *chip, unsigned offset, int value) -+{ -+ struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip); -+ u64 mask = 1ull << offset; -+ u64 reg = gpio->register_base + (value ? TX_SET : TX_CLEAR); -+ cvmx_write_csr(reg, mask); -+} -+ -+static int octeon_gpio_dir_out(struct gpio_chip *chip, unsigned offset, -+ int value) -+{ -+ struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip); -+ union cvmx_gpio_bit_cfgx cfgx; -+ -+ -+ octeon_gpio_set(chip, offset, value); -+ -+ cfgx.u64 = 0; -+ cfgx.s.tx_oe = 1; -+ -+ cvmx_write_csr(gpio->register_base + bit_cfg_reg(offset), cfgx.u64); -+ return 0; -+} -+ -+static int octeon_gpio_get(struct gpio_chip *chip, unsigned offset) -+{ -+ struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip); -+ u64 read_bits = cvmx_read_csr(gpio->register_base + RX_DAT); -+ -+ return ((1ull << offset) & read_bits) != 0; -+} -+ -+static int octeon_gpio_probe(struct platform_device *pdev) -+{ -+ struct octeon_gpio *gpio; -+ struct gpio_chip *chip; -+ struct resource *res_mem; -+ int err = 0; -+ -+ gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL); -+ if (!gpio) -+ return -ENOMEM; -+ chip = &gpio->chip; -+ -+ res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (res_mem == NULL) { -+ dev_err(&pdev->dev, "found no memory resource\n"); -+ err = -ENXIO; -+ goto out; -+ } -+ if (!devm_request_mem_region(&pdev->dev, res_mem->start, -+ resource_size(res_mem), -+ res_mem->name)) { -+ dev_err(&pdev->dev, "request_mem_region failed\n"); -+ err = -ENXIO; -+ goto out; -+ } -+ gpio->register_base = (u64)devm_ioremap(&pdev->dev, res_mem->start, -+ resource_size(res_mem)); -+ -+ -+ pdev->dev.platform_data = chip; -+ chip->label = "octeon-gpio"; -+ chip->dev = &pdev->dev; -+ chip->owner = THIS_MODULE; -+ chip->base = 0; -+ chip->can_sleep = 0; -+ chip->ngpio = 20; -+ chip->direction_input = octeon_gpio_dir_in; -+ chip->get = octeon_gpio_get; -+ chip->direction_output = octeon_gpio_dir_out; -+ chip->set = octeon_gpio_set; -+ err = gpiochip_add(chip); -+ if (err) -+ goto out; -+ -+ dev_info(&pdev->dev, "version: " DRV_VERSION "\n"); -+out: -+ return err; -+} -+ -+static int octeon_gpio_remove(struct platform_device *pdev) -+{ -+ struct gpio_chip *chip = pdev->dev.platform_data; -+ return gpiochip_remove(chip); -+} -+ -+static struct of_device_id octeon_gpio_match[] = { -+ { -+ .compatible = "cavium,octeon-3860-gpio", -+ }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, octeon_gpio_match); -+ -+static struct platform_driver octeon_gpio_driver = { -+ .probe = octeon_gpio_probe, -+ .remove = octeon_gpio_remove, -+ .driver = { -+ .name = "octeon_gpio", -+ .owner = THIS_MODULE, -+ .of_match_table = octeon_gpio_match, -+ }, -+}; -+ -+module_platform_driver(octeon_gpio_driver); -+ -+MODULE_DESCRIPTION(DRV_DESCRIPTION); -+MODULE_AUTHOR("David Daney"); -+MODULE_LICENSE("GPL"); -+MODULE_VERSION(DRV_VERSION); -Index: linux-3.10.49/arch/mips/Kconfig -=================================================================== ---- linux-3.10.49.orig/arch/mips/Kconfig 2014-08-07 11:41:14.809169838 +0200 -+++ linux-3.10.49/arch/mips/Kconfig 2014-08-07 11:41:16.521169817 +0200 -@@ -769,6 +769,7 @@ - select USB_ARCH_HAS_OHCI - select USB_ARCH_HAS_EHCI - select HOLES_IN_ZONE -+ select ARCH_REQUIRE_GPIOLIB - help - This option supports all of the Octeon reference boards from Cavium - Networks. It builds a kernel that dynamically determines the Octeon |