diff options
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 | 101 |
1 files changed, 0 insertions, 101 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 ebaaa4df7..bda0222cc 100644 --- a/target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch +++ b/target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch @@ -115,104 +115,3 @@ 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 |