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From c74060501ec81a28f288a6d82ecf532320dae361 Mon Sep 17 00:00:00 2001
From: Matthieu Crapet <mcrapet@gmail.com>
Date: Sun, 4 Jan 2009 01:41:44 +0100
Subject: [PATCH] EP93xx GPIO I2C
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Petr Štetiar <ynezz@true.cz>
---
arch/arm/mach-ep93xx/core.c | 30 ++++++++++++++++++++++++++++++
1 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index 88afbe6..f689531 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -34,6 +34,8 @@
#include <linux/amba/serial.h>
#include <linux/dma-mapping.h>
#include <linux/leds.h>
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
#include <asm/types.h>
#include <asm/setup.h>
@@ -509,6 +511,30 @@ static struct platform_device ep93xx_gpio_leds = {
}
};
+#ifdef CONFIG_MACH_TS72XX
+static struct i2c_gpio_platform_data ep93xx_i2c_data = {
+ .sda_pin = EP93XX_GPIO_LINE_EGPIO14, // DIO_6 (TS72XX DIO 2x8 header)
+ .sda_is_open_drain = 0,
+ .scl_pin = EP93XX_GPIO_LINE_EGPIO15, // DIO_7 (TS72XX DIO 2x8 header)
+ .scl_is_open_drain = 0,
+ .udelay = 2,
+};
+#else
+static struct i2c_gpio_platform_data ep93xx_i2c_data = {
+ .sda_pin = EP93XX_GPIO_LINE_EEDAT,
+ .sda_is_open_drain = 0,
+ .scl_pin = EP93XX_GPIO_LINE_EECLK,
+ .scl_is_open_drain = 0,
+ .udelay = 2,
+};
+#endif
+
+static struct platform_device ep93xx_i2c_device = {
+ .name = "i2c-gpio",
+ .id = 0,
+ .dev.platform_data = &ep93xx_i2c_data,
+};
+
extern void ep93xx_gpio_init(void);
@@ -530,6 +556,10 @@ void __init ep93xx_init_devices(void)
amba_device_register(&uart2_device, &iomem_resource);
amba_device_register(&uart3_device, &iomem_resource);
+ /* We have no specific I2C slave devices to register,
+ so we do not have to call i2c_register_board_info. */
+ platform_device_register(&ep93xx_i2c_device);
+
platform_device_register(&ep93xx_gpio_leds);
platform_device_register(&ep93xx_rtc_device);
platform_device_register(&ep93xx_ohci_device);
--
1.6.0.4
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