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-rw-r--r--arch/arm/mach-pxa/devices.c9
-rw-r--r--arch/arm/mach-pxa/pxa27x.c3
-rw-r--r--drivers/i2c/busses/i2c-pxa.c29
3 files changed, 12 insertions, 29 deletions
diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c
index d6c05b6eab35..af6cc3dbb9a3 100644
--- a/arch/arm/mach-pxa/devices.c
+++ b/arch/arm/mach-pxa/devices.c
@@ -10,11 +10,13 @@
10#include <asm/arch/mmc.h> 10#include <asm/arch/mmc.h>
11#include <asm/arch/irda.h> 11#include <asm/arch/irda.h>
12#include <asm/arch/i2c.h> 12#include <asm/arch/i2c.h>
13#include <asm/arch/mfp-pxa27x.h>
13#include <asm/arch/ohci.h> 14#include <asm/arch/ohci.h>
14#include <asm/arch/pxa27x_keypad.h> 15#include <asm/arch/pxa27x_keypad.h>
15#include <asm/arch/camera.h> 16#include <asm/arch/camera.h>
16 17
17#include "devices.h" 18#include "devices.h"
19#include "generic.h"
18 20
19void __init pxa_register_device(struct platform_device *dev, void *data) 21void __init pxa_register_device(struct platform_device *dev, void *data)
20{ 22{
@@ -233,8 +235,15 @@ struct platform_device pxa_device_i2c = {
233 .num_resources = ARRAY_SIZE(pxai2c_resources), 235 .num_resources = ARRAY_SIZE(pxai2c_resources),
234}; 236};
235 237
238static unsigned long pxa27x_i2c_mfp_cfg[] = {
239 GPIO117_I2C_SCL,
240 GPIO118_I2C_SDA,
241};
242
236void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info) 243void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info)
237{ 244{
245 if (cpu_is_pxa27x())
246 pxa2xx_mfp_config(ARRAY_AND_SIZE(pxa27x_i2c_mfp_cfg));
238 pxa_register_device(&pxa_device_i2c, info); 247 pxa_register_device(&pxa_device_i2c, info);
239} 248}
240 249
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index cdaf573e0f17..48cbdc771a80 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -349,6 +349,9 @@ struct platform_device pxa27x_device_i2c_power = {
349 349
350void __init pxa_set_i2c_power_info(struct i2c_pxa_platform_data *info) 350void __init pxa_set_i2c_power_info(struct i2c_pxa_platform_data *info)
351{ 351{
352 local_irq_disable();
353 PCFR |= PCFR_PI2CEN;
354 local_irq_enable();
352 pxa27x_device_i2c_power.dev.platform_data = info; 355 pxa27x_device_i2c_power.dev.platform_data = info;
353} 356}
354 357
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index eb69fbadc9cb..9f61e9b3a327 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -945,32 +945,6 @@ static const struct i2c_algorithm i2c_pxa_pio_algorithm = {
945 .functionality = i2c_pxa_functionality, 945 .functionality = i2c_pxa_functionality,
946}; 946};
947 947
948static void i2c_pxa_enable(struct platform_device *dev)
949{
950 if (cpu_is_pxa27x()) {
951 switch (dev->id) {
952 case 0:
953 pxa_gpio_mode(GPIO117_I2CSCL_MD);
954 pxa_gpio_mode(GPIO118_I2CSDA_MD);
955 break;
956 case 1:
957 local_irq_disable();
958 PCFR |= PCFR_PI2CEN;
959 local_irq_enable();
960 break;
961 }
962 }
963}
964
965static void i2c_pxa_disable(struct platform_device *dev)
966{
967 if (cpu_is_pxa27x() && dev->id == 1) {
968 local_irq_disable();
969 PCFR &= ~PCFR_PI2CEN;
970 local_irq_enable();
971 }
972}
973
974#define res_len(r) ((r)->end - (r)->start + 1) 948#define res_len(r) ((r)->end - (r)->start + 1)
975static int i2c_pxa_probe(struct platform_device *dev) 949static int i2c_pxa_probe(struct platform_device *dev)
976{ 950{
@@ -1036,7 +1010,6 @@ static int i2c_pxa_probe(struct platform_device *dev)
1036#endif 1010#endif
1037 1011
1038 clk_enable(i2c->clk); 1012 clk_enable(i2c->clk);
1039 i2c_pxa_enable(dev);
1040 1013
1041 if (plat) { 1014 if (plat) {
1042 i2c->adap.class = plat->class; 1015 i2c->adap.class = plat->class;
@@ -1080,7 +1053,6 @@ eadapt:
1080 free_irq(irq, i2c); 1053 free_irq(irq, i2c);
1081ereqirq: 1054ereqirq:
1082 clk_disable(i2c->clk); 1055 clk_disable(i2c->clk);
1083 i2c_pxa_disable(dev);
1084 iounmap(i2c->reg_base); 1056 iounmap(i2c->reg_base);
1085eremap: 1057eremap:
1086 clk_put(i2c->clk); 1058 clk_put(i2c->clk);
@@ -1103,7 +1075,6 @@ static int __exit i2c_pxa_remove(struct platform_device *dev)
1103 1075
1104 clk_disable(i2c->clk); 1076 clk_disable(i2c->clk);
1105 clk_put(i2c->clk); 1077 clk_put(i2c->clk);
1106 i2c_pxa_disable(dev);
1107 1078
1108 iounmap(i2c->reg_base); 1079 iounmap(i2c->reg_base);
1109 release_mem_region(i2c->iobase, i2c->iosize); 1080 release_mem_region(i2c->iobase, i2c->iosize);