* [PATCH] ARM: S3C64XX: Raise the frequency of the second I2C bus on Cragganmore
@ 2011-09-06 6:49 Mark Brown
0 siblings, 0 replies; 2+ messages in thread
From: Mark Brown @ 2011-09-06 6:49 UTC (permalink / raw)
To: linux-arm-kernel
The S3C I2C driver defaults to a rather low 66kHz, ask for 400kHz for
a bit of a speed boost.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
arch/arm/mach-s3c64xx/mach-crag6410.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
index d484864..8415217 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -651,6 +651,11 @@ static struct i2c_board_info i2c_devs1[] __initdata = {
{ I2C_BOARD_INFO("wm1250-ev1", 0x27) },
};
+static struct s3c2410_platform_i2c i2c1_pdata = {
+ .frequency = 400000,
+ .bus_num = 1,
+};
+
static void __init crag6410_map_io(void)
{
s3c64xx_init_io(NULL, 0);
@@ -709,7 +714,7 @@ static void __init crag6410_machine_init(void)
s3c_sdhci2_set_platdata(&crag6410_hsmmc2_pdata);
s3c_i2c0_set_platdata(&i2c0_pdata);
- s3c_i2c1_set_platdata(NULL);
+ s3c_i2c1_set_platdata(&i2c1_pdata);
s3c_fb_set_platdata(&crag6410_lcd_pdata);
i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
--
1.7.5.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] ARM: S3C64XX: Raise the frequency of the second I2C bus on Cragganmore
@ 2011-11-08 16:10 Mark Brown
0 siblings, 0 replies; 2+ messages in thread
From: Mark Brown @ 2011-11-08 16:10 UTC (permalink / raw)
To: linux-arm-kernel
The S3C I2C driver defaults to a rather low 66kHz, ask for 400kHz for
a bit of a speed boost.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
arch/arm/mach-s3c64xx/mach-crag6410.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
index d04b654..b9a052a 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -634,6 +634,11 @@ static struct i2c_board_info i2c_devs1[] __initdata = {
{ I2C_BOARD_INFO("wm1250-ev1", 0x27) },
};
+static struct s3c2410_platform_i2c i2c1_pdata = {
+ .frequency = 400000,
+ .bus_num = 1,
+};
+
static void __init crag6410_map_io(void)
{
s3c64xx_init_io(NULL, 0);
@@ -692,7 +697,7 @@ static void __init crag6410_machine_init(void)
s3c_sdhci2_set_platdata(&crag6410_hsmmc2_pdata);
s3c_i2c0_set_platdata(&i2c0_pdata);
- s3c_i2c1_set_platdata(NULL);
+ s3c_i2c1_set_platdata(&i2c1_pdata);
s3c_fb_set_platdata(&crag6410_lcd_pdata);
i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
--
1.7.7.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
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2011-09-06 6:49 Mark Brown
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