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| author | Imre Kaloz <kaloz@openwrt.org> | 2012-09-21 05:40:04 +0000 |
|---|---|---|
| committer | Imre Kaloz <kaloz@openwrt.org> | 2012-09-21 05:40:04 +0000 |
| commit | ed3597d927cf2729a1c6086865d8f2cb40d34d40 (patch) | |
| tree | cb4676134adc1d0f4b0aa326518284f584cb1037 /target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch | |
| parent | a74cf6f9a88d247d3ad5bef038ff37f13c86dd92 (diff) | |
| download | upstream-ed3597d927cf2729a1c6086865d8f2cb40d34d40.tar.gz upstream-ed3597d927cf2729a1c6086865d8f2cb40d34d40.tar.bz2 upstream-ed3597d927cf2729a1c6086865d8f2cb40d34d40.zip | |
move gpio stuff into the right file
SVN-Revision: 33502
Diffstat (limited to 'target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch')
| -rw-r--r-- | target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch b/target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch index a4d186c868..ebaaa4df7d 100644 --- a/target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch +++ b/target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch @@ -105,3 +105,114 @@ void __init cns3xxx_init_irq(void); void cns3xxx_power_off(void); void cns3xxx_restart(char, const char *); +--- a/arch/arm/Kconfig ++++ b/arch/arm/Kconfig +@@ -366,6 +366,7 @@ config ARCH_CLPS711X + config ARCH_CNS3XXX + bool "Cavium Networks CNS3XXX family" + select CPU_V6K ++ select ARCH_WANT_OPTIONAL_GPIOLIB + select GENERIC_CLOCKEVENTS + select ARM_GIC + select CLKDEV_LOOKUP +--- /dev/null ++++ b/arch/arm/mach-cns3xxx/include/mach/gpio.h +@@ -0,0 +1,98 @@ ++/* ++ * arch/arm/mach-cns3xxx/include/mach/gpio.h ++ * ++ * CNS3xxx GPIO wrappers for arch-neutral GPIO calls ++ * ++ * Copyright 2011 Gateworks Corporation ++ * Chris Lang <clang@gateworks.com> ++ * ++ * Based on IXP implementation by Milan Svoboda <msvoboda@ra.rockwell.com> ++ * Based on PXA implementation by Philipp Zabel <philipp.zabel@gmail.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ * ++ */ ++ ++#ifndef __ASM_ARCH_CNS3XXX_GPIO_H ++#define __ASM_ARCH_CNS3XXX_GPIO_H ++ ++#include <linux/kernel.h> ++#include <linux/io.h> ++#include <mach/platform.h> ++#include <asm-generic/gpio.h> /* cansleep wrappers */ ++ ++#define NR_BUILTIN_GPIO 64 ++ ++#define CNS3XXX_GPIO_IN 0x0 ++#define CNS3XXX_GPIO_OUT 0x1 ++ ++#define CNS3XXX_GPIO_LO 0 ++#define CNS3XXX_GPIO_HI 1 ++ ++#define CNS3XXX_GPIO_OUTPUT 0x00 ++#define CNS3XXX_GPIO_INPUT 0x04 ++#define CNS3XXX_GPIO_DIR 0x08 ++#define CNS3XXX_GPIO_SET 0x10 ++#define CNS3XXX_GPIO_CLEAR 0x14 ++ ++static inline void gpio_line_get(u8 line, int *value) ++{ ++ if (line < 32) ++ *value = ((__raw_readl(CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_INPUT) >> line) & 0x1); ++ else ++ *value = ((__raw_readl(CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_INPUT) >> (line - 32)) & 0x1); ++} ++ ++static inline void gpio_line_set(u8 line, int value) ++{ ++ if (line < 32) { ++ if (value) ++ __raw_writel((1 << line), CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_SET); ++ else ++ __raw_writel((1 << line), CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_CLEAR); ++ } else { ++ if (value) ++ __raw_writel((1 << line), CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_SET); ++ else ++ __raw_writel((1 << line), CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_CLEAR); ++ } ++} ++ ++static inline int gpio_get_value(unsigned gpio) ++{ ++ if (gpio < NR_BUILTIN_GPIO) ++ { ++ int value; ++ gpio_line_get(gpio, &value); ++ return value; ++ } ++ else ++ return __gpio_get_value(gpio); ++} ++ ++static inline void gpio_set_value(unsigned gpio, int value) ++{ ++ if (gpio < NR_BUILTIN_GPIO) ++ gpio_line_set(gpio, value); ++ else ++ __gpio_set_value(gpio, value); ++} ++ ++#define gpio_cansleep __gpio_cansleep ++ ++extern int gpio_to_irq(int gpio); ++extern int irq_to_gpio(int gpio); ++ ++#endif |