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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-14 16:42:43 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-14 16:42:43 -0400
commit2cf4d4514d5b43c1f3b64bd0ec8b9853bde8f1dc (patch)
treee35a625496acc6ac852846d40b8851186b9d1ac4 /drivers/i2c/busses
parent44b7532b8b464f606053562400719c9c21276037 (diff)
parentce53895a5d24e0ee19fb92f56c17323fb4c9ab27 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (417 commits) MAINTAINERS: EB110ATX is not ebsa110 MAINTAINERS: update Eric Miao's email address and status fb: add support of LCD display controller on pxa168/910 (base layer) [ARM] 5552/1: ep93xx get_uart_rate(): use EP93XX_SYSCON_PWRCNT and EP93XX_SYSCON_PWRCN [ARM] pxa/sharpsl_pm: zaurus needs generic pxa suspend/resume routines [ARM] 5544/1: Trust PrimeCell resource sizes [ARM] pxa/sharpsl_pm: cleanup of gpio-related code. [ARM] pxa/sharpsl_pm: drop set_irq_type calls [ARM] pxa/sharpsl_pm: merge pxa-specific code into generic one [ARM] pxa/sharpsl_pm: merge the two sharpsl_pm.c since it's now pxa specific [ARM] sa1100: remove unused collie_pm.c [ARM] pxa: fix the conflicting non-static declarations of global_gpios[] [ARM] 5550/1: Add default configure file for w90p910 platform [ARM] 5549/1: Add clock api for w90p910 platform. [ARM] 5548/1: Add gpio api for w90p910 platform [ARM] 5551/1: Add multi-function pin api for w90p910 platform. [ARM] Make ARM_VIC_NR depend on ARM_VIC [ARM] 5546/1: ARM PL022 SSP/SPI driver v3 ARM: OMAP4: SMP: Update defconfig for OMAP4430 ARM: OMAP4: SMP: Enable SMP support for OMAP4430 ...
Diffstat (limited to 'drivers/i2c/busses')
-rw-r--r--drivers/i2c/busses/i2c-pxa.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index acc7143d9655..035a6c7e59df 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -34,10 +34,24 @@
34#include <linux/err.h> 34#include <linux/err.h>
35#include <linux/clk.h> 35#include <linux/clk.h>
36 36
37#include <mach/hardware.h>
38#include <asm/irq.h> 37#include <asm/irq.h>
39#include <asm/io.h> 38#include <asm/io.h>
40#include <mach/i2c.h> 39#include <plat/i2c.h>
40
41/*
42 * I2C register offsets will be shifted 0 or 1 bit left, depending on
43 * different SoCs
44 */
45#define REG_SHIFT_0 (0 << 0)
46#define REG_SHIFT_1 (1 << 0)
47#define REG_SHIFT(d) ((d) & 0x1)
48
49static const struct platform_device_id i2c_pxa_id_table[] = {
50 { "pxa2xx-i2c", REG_SHIFT_1 },
51 { "pxa3xx-pwri2c", REG_SHIFT_0 },
52 { },
53};
54MODULE_DEVICE_TABLE(platform, i2c_pxa_id_table);
41 55
42/* 56/*
43 * I2C registers and bit definitions 57 * I2C registers and bit definitions
@@ -985,6 +999,7 @@ static int i2c_pxa_probe(struct platform_device *dev)
985 struct pxa_i2c *i2c; 999 struct pxa_i2c *i2c;
986 struct resource *res; 1000 struct resource *res;
987 struct i2c_pxa_platform_data *plat = dev->dev.platform_data; 1001 struct i2c_pxa_platform_data *plat = dev->dev.platform_data;
1002 struct platform_device_id *id = platform_get_device_id(dev);
988 int ret; 1003 int ret;
989 int irq; 1004 int irq;
990 1005
@@ -1028,7 +1043,7 @@ static int i2c_pxa_probe(struct platform_device *dev)
1028 ret = -EIO; 1043 ret = -EIO;
1029 goto eremap; 1044 goto eremap;
1030 } 1045 }
1031 i2c->reg_shift = (cpu_is_pxa3xx() && (dev->id == 1)) ? 0 : 1; 1046 i2c->reg_shift = REG_SHIFT(id->driver_data);
1032 1047
1033 i2c->iobase = res->start; 1048 i2c->iobase = res->start;
1034 i2c->iosize = res_len(res); 1049 i2c->iosize = res_len(res);
@@ -1150,6 +1165,7 @@ static struct platform_driver i2c_pxa_driver = {
1150 .name = "pxa2xx-i2c", 1165 .name = "pxa2xx-i2c",
1151 .owner = THIS_MODULE, 1166 .owner = THIS_MODULE,
1152 }, 1167 },
1168 .id_table = i2c_pxa_id_table,
1153}; 1169};
1154 1170
1155static int __init i2c_adap_pxa_init(void) 1171static int __init i2c_adap_pxa_init(void)