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authorBen Dooks <ben-linux@fluff.org>2010-02-03 02:55:39 +0100
committerBen Dooks <ben-linux@fluff.org>2010-02-03 02:55:39 +0100
commit28db4ed52d329ca06da9fbcc9dcf6c4e25cdcac2 (patch)
treec251b8a7bb53514b87ab29591623b156144f3302 /arch/arm
parentARM: S5P: Change S5P_TIMER_IRQ based to 11 for SAMSUNG S5P series. (diff)
parentARM: SAMSUNG: Add support for 12bit ADC (diff)
downloadlinux-28db4ed52d329ca06da9fbcc9dcf6c4e25cdcac2.tar.xz
linux-28db4ed52d329ca06da9fbcc9dcf6c4e25cdcac2.zip
ARM: Merge next-samsung-devupdates2
Merge branch 'next-samsung-devupdates2' into next-samsung
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/plat-s3c64xx/Makefile9
-rw-r--r--arch/arm/plat-samsung/Kconfig6
-rw-r--r--arch/arm/plat-samsung/adc.c24
-rw-r--r--arch/arm/plat-samsung/dev-usb-hsotg.c7
-rw-r--r--arch/arm/plat-samsung/include/plat/regs-adc.h1
5 files changed, 40 insertions, 7 deletions
diff --git a/arch/arm/plat-s3c64xx/Makefile b/arch/arm/plat-s3c64xx/Makefile
index 80255a5e1789..33a73f3e9f01 100644
--- a/arch/arm/plat-s3c64xx/Makefile
+++ b/arch/arm/plat-s3c64xx/Makefile
@@ -40,11 +40,16 @@ obj-$(CONFIG_S3C64XX_DMA) += dma.o
obj-$(CONFIG_S3C_ADC) += dev-adc.o
+# SPI support
+obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
+
+# Device support
+obj-y += dev-audio.o
+
# Device setup
obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o
obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o
obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP) += setup-fb-24bpp.o
obj-$(CONFIG_S3C64XX_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o
-obj-$(CONFIG_SND_S3C24XX_SOC) += dev-audio.o
-obj-$(CONFIG_SPI_S3C64XX) += dev-spi.o
+
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 1c2fe91c23e9..72da6461db12 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -132,6 +132,12 @@ config S3C_DEV_NAND
help
Compile in platform device definition for NAND controller
+config S3C64XX_DEV_SPI
+ bool
+ help
+ Compile in platform device definitions for S3C64XX's type
+ SPI controllers.
+
comment "Power management"
config SAMSUNG_PM_DEBUG
diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c
index c7659b7378b1..81caf2135721 100644
--- a/arch/arm/plat-samsung/adc.c
+++ b/arch/arm/plat-samsung/adc.c
@@ -262,6 +262,7 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
{
struct adc_device *adc = pw;
struct s3c_adc_client *client = adc->cur;
+ enum s3c_cpu_type cpu = platform_get_device_id(adc->pdev)->driver_data;
unsigned long flags;
unsigned data0, data1;
@@ -276,9 +277,17 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
client->nr_samples--;
+ if (cpu == TYPE_S3C64XX) {
+ /* S3C64XX ADC resolution is 12-bit */
+ data0 &= 0xfff;
+ data1 &= 0xfff;
+ } else {
+ data0 &= 0x3ff;
+ data1 &= 0x3ff;
+ }
+
if (client->convert_cb)
- (client->convert_cb)(client, data0 & 0x3ff, data1 & 0x3ff,
- &client->nr_samples);
+ (client->convert_cb)(client, data0, data1, &client->nr_samples);
if (client->nr_samples > 0) {
/* fire another conversion for this */
@@ -295,7 +304,7 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
}
exit:
- if (platform_get_device_id(adc->pdev)->driver_data == TYPE_S3C64XX) {
+ if (cpu == TYPE_S3C64XX) {
/* Clear ADC interrupt */
writel(0, adc->regs + S3C64XX_ADCCLRINT);
}
@@ -308,6 +317,7 @@ static int s3c_adc_probe(struct platform_device *pdev)
struct adc_device *adc;
struct resource *regs;
int ret;
+ unsigned tmp;
adc = kzalloc(sizeof(struct adc_device), GFP_KERNEL);
if (adc == NULL) {
@@ -354,8 +364,12 @@ static int s3c_adc_probe(struct platform_device *pdev)
clk_enable(adc->clk);
- writel(adc->prescale | S3C2410_ADCCON_PRSCEN,
- adc->regs + S3C2410_ADCCON);
+ tmp = adc->prescale | S3C2410_ADCCON_PRSCEN;
+ if (platform_get_device_id(pdev)->driver_data == TYPE_S3C64XX) {
+ /* Enable 12-bit ADC resolution */
+ tmp |= S3C64XX_ADCCON_RESSEL;
+ }
+ writel(tmp, adc->regs + S3C2410_ADCCON);
dev_info(dev, "attached adc driver\n");
diff --git a/arch/arm/plat-samsung/dev-usb-hsotg.c b/arch/arm/plat-samsung/dev-usb-hsotg.c
index e2f604b51c86..33a844ab6917 100644
--- a/arch/arm/plat-samsung/dev-usb-hsotg.c
+++ b/arch/arm/plat-samsung/dev-usb-hsotg.c
@@ -14,6 +14,7 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
#include <mach/irqs.h>
#include <mach/map.h>
@@ -33,9 +34,15 @@ static struct resource s3c_usb_hsotg_resources[] = {
},
};
+static u64 s3c_hsotg_dmamask = DMA_BIT_MASK(32);
+
struct platform_device s3c_device_usb_hsotg = {
.name = "s3c-hsotg",
.id = -1,
.num_resources = ARRAY_SIZE(s3c_usb_hsotg_resources),
.resource = s3c_usb_hsotg_resources,
+ .dev = {
+ .dma_mask = &s3c_hsotg_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
};
diff --git a/arch/arm/plat-samsung/include/plat/regs-adc.h b/arch/arm/plat-samsung/include/plat/regs-adc.h
index f43c8dab39e4..7554c4fcddb9 100644
--- a/arch/arm/plat-samsung/include/plat/regs-adc.h
+++ b/arch/arm/plat-samsung/include/plat/regs-adc.h
@@ -25,6 +25,7 @@
/* ADCCON Register Bits */
+#define S3C64XX_ADCCON_RESSEL (1<<16)
#define S3C2410_ADCCON_ECFLG (1<<15)
#define S3C2410_ADCCON_PRSCEN (1<<14)
#define S3C2410_ADCCON_PRSCVL(x) (((x)&0xFF)<<6)