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versatilepb: add i2c support 

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2012-11-01 10:52:47 +01:00 committed by Sascha Hauer
parent fcbb4c7472
commit 37e4bec9f7
4 changed files with 12 additions and 0 deletions
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1
arch/arm/boards/versatile/versatilepb.c
View File

@ -47,6 +47,7 @@ mem_initcall(vpb_mem_init);
static int vpb_devices_init(void)
{
add_cfi_flash_device(DEVICE_ID_DYNAMIC, VERSATILE_FLASH_BASE, VERSATILE_FLASH_SIZE, 0);
versatile_register_i2c();
devfs_add_partition("nor0", 0x00000, 0x40000, DEVFS_PARTITION_FIXED, "self");
devfs_add_partition("nor0", 0x40000, 0x20000, DEVFS_PARTITION_FIXED, "env0");

3
arch/arm/configs/versatilepb_defconfig
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@ -33,6 +33,7 @@ CONFIG_CMD_GO=y
CONFIG_CMD_TIMEOUT=y
CONFIG_CMD_PARTITION=y
CONFIG_CMD_UNCOMPRESS=y
CONFIG_CMD_I2C=y
CONFIG_NET=y
CONFIG_NET_DHCP=y
CONFIG_NET_NFS=y
@ -43,6 +44,8 @@ CONFIG_NET_NETCONSOLE=y
CONFIG_NET_RESOLV=y
CONFIG_SERIAL_AMBA_PL011=y
CONFIG_DRIVER_NET_SMC91111=y
CONFIG_I2C=y
CONFIG_I2C_VERSATILE=y
CONFIG_FS_CRAMFS=y
CONFIG_SHA1=y
CONFIG_SHA256=y

7
arch/arm/mach-versatile/core.c
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@ -26,6 +26,7 @@
#include <init.h>
#include <clock.h>
#include <debug_ll.h>
#include <sizes.h>
#include <linux/clkdev.h>
#include <linux/clk.h>
@ -182,6 +183,12 @@ void versatile_register_uart(unsigned id)
amba_apb_device_add(NULL, "uart-pl011", id, start, 4096, NULL, 0);
}
void versatile_register_i2c(void)
{
add_generic_device("versatile-i2c", DEVICE_ID_DYNAMIC, NULL,
VERSATILE_I2C_BASE, SZ_4K, IORESOURCE_MEM, NULL);
}
void __noreturn reset_cpu (unsigned long ignored)
{
u32 val;

1
arch/arm/mach-versatile/include/mach/init.h
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@ -4,5 +4,6 @@
void versatile_add_sdram(u32 size);
void versatile_register_uart(unsigned id);
void versatile_register_i2c(void);
#endif