diff options
Diffstat (limited to 'recipes/linux/linux-omap-psp-2.6.32/0045-ARM-OMAP-beagleboard-initialize-ds1307-and-eeprom-on.patch')
| -rw-r--r-- | recipes/linux/linux-omap-psp-2.6.32/0045-ARM-OMAP-beagleboard-initialize-ds1307-and-eeprom-on.patch | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-psp-2.6.32/0045-ARM-OMAP-beagleboard-initialize-ds1307-and-eeprom-on.patch b/recipes/linux/linux-omap-psp-2.6.32/0045-ARM-OMAP-beagleboard-initialize-ds1307-and-eeprom-on.patch new file mode 100644 index 0000000000..205cb7e311 --- /dev/null +++ b/recipes/linux/linux-omap-psp-2.6.32/0045-ARM-OMAP-beagleboard-initialize-ds1307-and-eeprom-on.patch @@ -0,0 +1,76 @@ +From 5544b0a8c422e75c5d372232b494a4652008f048 Mon Sep 17 00:00:00 2001 +From: Koen Kooi <koen@dominion.thruhere.net> +Date: Mon, 3 May 2010 22:31:34 +0200 +Subject: [PATCH 45/45] ARM: OMAP: beagleboard: initialize ds1307 and eeprom only for zippy and zippy2 + +--- + arch/arm/mach-omap2/board-omap3beagle.c | 39 +++++++++++++++++++++++++++--- + 1 files changed, 35 insertions(+), 4 deletions(-) + +diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c +index 4dbb109..dd830b1 100644 +--- a/arch/arm/mach-omap2/board-omap3beagle.c ++++ b/arch/arm/mach-omap2/board-omap3beagle.c +@@ -501,24 +501,55 @@ static struct i2c_board_info __initdata beagle_i2c1_boardinfo[] = { + }, + }; + ++ ++#if defined(CONFIG_EEPROM_AT24) || defined(CONFIG_EEPROM_AT24_MODULE) ++#include <linux/i2c/at24.h> ++ ++static struct at24_platform_data m24c01 = { ++ .byte_len = SZ_1K / 8, ++ .page_size = 16, ++}; ++ + #if defined(CONFIG_RTC_DRV_DS1307) || \ + defined(CONFIG_RTC_DRV_DS1307_MODULE) + +-static struct i2c_board_info __initdata beagle_i2c2_boardinfo[] = { ++static struct i2c_board_info __initdata beagle_zippy_i2c2_boardinfo[] = { + { + I2C_BOARD_INFO("ds1307", 0x68), + }, ++ { ++ I2C_BOARD_INFO("24c01", 0x50), ++ .platform_data = &m24c01, ++ }, + }; + #else +-static struct i2c_board_info __initdata beagle_i2c2_boardinfo[] = {}; ++static struct i2c_board_info __initdata beagle_zippy_i2c2_boardinfo[] = { ++ { ++ I2C_BOARD_INFO("24c01", 0x50), ++ .platform_data = &m24c01, ++ }, ++}; ++#endif ++#else ++static struct i2c_board_info __initdata beagle_zippy_i2c2_boardinfo[] = {}; + #endif + ++static struct i2c_board_info __initdata beagle_i2c2_boardinfo[] = {}; ++ + static int __init omap3_beagle_i2c_init(void) + { + omap_register_i2c_bus(1, 2600, beagle_i2c1_boardinfo, + ARRAY_SIZE(beagle_i2c1_boardinfo)); +- omap_register_i2c_bus(2, 400, beagle_i2c2_boardinfo, +- ARRAY_SIZE(beagle_i2c2_boardinfo)); ++ if(!strcmp(expansionboard_name, "zippy") || !strcmp(expansionboard_name, "zippy2")) ++ { ++ printk(KERN_INFO "Beagle expansionboard: registering i2c2 bus for zippy/zippy2\n"); ++ omap_register_i2c_bus(2, 400, beagle_zippy_i2c2_boardinfo, ++ ARRAY_SIZE(beagle_zippy_i2c2_boardinfo)); ++ } else ++ { ++ omap_register_i2c_bus(2, 400, beagle_i2c2_boardinfo, ++ ARRAY_SIZE(beagle_i2c2_boardinfo)); ++ } + /* Bus 3 is attached to the DVI port where devices like the pico DLP + * projector don't work reliably with 400kHz */ + omap_register_i2c_bus(3, 100, NULL, 0); +-- +1.6.6.1 + |