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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-05 18:21:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-05 18:21:21 -0700
commitc861cd3e92d92ae946e19099f198018fcb4fd887 (patch)
treefab678a30a85cf80038c560221d6ab01812a3891 /arch/arm/plat-samsung
parent7abec10c623d9e0416dab6919a0ea22e6283516b (diff)
parentb8bc83971cc20cae3c3b65c26a804f350d74960c (diff)
Merge branch 'next/devel2' of git://git.linaro.org/people/arnd/arm-soc
* 'next/devel2' of git://git.linaro.org/people/arnd/arm-soc: (30 commits) ARM: mmp: register internal sram bank ARM: mmp: register audio sram bank ARM: mmp: add sram allocator gpio/samsung: Complain loudly if we don't know the SoC ARM: S3C64XX: Fix SoC identification for S3C64xx devices ARM: S3C2443: Remove redundant s3c_register_clocks call for init_clocks ARM: S3C24XX: Add devname for hsmmc1 pclk ARM: S3C24XX: use clk_get_rate to init fclk in common_setup_clocks ARM: S3C2443: Accommodate cpufreq frequency scheme in armdiv ARM: S3C2443: handle unset armdiv values gracefully ARM: S3C2443: Add get_rate operation for clk_armdiv ARM: S3C2416: Add comment describing the armdiv/armclk ARM: S3C2443: Move clk_arm and clk_armdiv to common code ARM: S3C24XX: Add infrastructure to transmit armdiv to common code ARM: S3C2416: Add armdiv_mask constant ARM: EXYNOS4: Add support for M-5MOLS camera on Nuri board ARM: EXYNOS4: Enable MFC on ORIGEN ARM: SAMSUNG: Add support s3c2416-adc for S3C2416/S3C2450 ARM: SAMSUNG: Add support s3c2443-adc for S3C2443 ARM: SAMSUNG: Allow overriding of adc device name for S3C24XX ...
Diffstat (limited to 'arch/arm/plat-samsung')
-rw-r--r--arch/arm/plat-samsung/adc.c43
-rw-r--r--arch/arm/plat-samsung/include/plat/adc-core.h2
-rw-r--r--arch/arm/plat-samsung/include/plat/cpu.h6
-rw-r--r--arch/arm/plat-samsung/include/plat/regs-adc.h3
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c2443.h7
5 files changed, 43 insertions, 18 deletions
diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c
index ee8deef1948..33ecd0c9f0c 100644
--- a/arch/arm/plat-samsung/adc.c
+++ b/arch/arm/plat-samsung/adc.c
@@ -41,6 +41,8 @@
enum s3c_cpu_type {
TYPE_ADCV1, /* S3C24XX */
+ TYPE_ADCV11, /* S3C2443 */
+ TYPE_ADCV12, /* S3C2416, S3C2450 */
TYPE_ADCV2, /* S3C64XX, S5P64X0, S5PC100 */
TYPE_ADCV3, /* S5PV210, S5PC110, EXYNOS4210 */
};
@@ -98,13 +100,17 @@ static inline void s3c_adc_select(struct adc_device *adc,
client->select_cb(client, 1);
- con &= ~S3C2410_ADCCON_MUXMASK;
+ if (cpu == TYPE_ADCV1 || cpu == TYPE_ADCV2)
+ con &= ~S3C2410_ADCCON_MUXMASK;
con &= ~S3C2410_ADCCON_STDBM;
con &= ~S3C2410_ADCCON_STARTMASK;
if (!client->is_ts) {
if (cpu == TYPE_ADCV3)
writel(client->channel & 0xf, adc->regs + S5P_ADCMUX);
+ else if (cpu == TYPE_ADCV11 || cpu == TYPE_ADCV12)
+ writel(client->channel & 0xf,
+ adc->regs + S3C2443_ADCMUX);
else
con |= S3C2410_ADCCON_SELMUX(client->channel);
}
@@ -293,13 +299,13 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
client->nr_samples--;
- if (cpu != TYPE_ADCV1) {
- /* S3C64XX/S5P ADC resolution is 12-bit */
- data0 &= 0xfff;
- data1 &= 0xfff;
- } else {
+ if (cpu == TYPE_ADCV1 || cpu == TYPE_ADCV11) {
data0 &= 0x3ff;
data1 &= 0x3ff;
+ } else {
+ /* S3C2416/S3C64XX/S5P ADC resolution is 12-bit */
+ data0 &= 0xfff;
+ data1 &= 0xfff;
}
if (client->convert_cb)
@@ -320,7 +326,7 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
}
exit:
- if (cpu != TYPE_ADCV1) {
+ if (cpu == TYPE_ADCV2 || cpu == TYPE_ADCV3) {
/* Clear ADC interrupt */
writel(0, adc->regs + S3C64XX_ADCCLRINT);
}
@@ -332,6 +338,7 @@ static int s3c_adc_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct adc_device *adc;
struct resource *regs;
+ enum s3c_cpu_type cpu = platform_get_device_id(pdev)->driver_data;
int ret;
unsigned tmp;
@@ -394,10 +401,13 @@ static int s3c_adc_probe(struct platform_device *pdev)
clk_enable(adc->clk);
tmp = adc->prescale | S3C2410_ADCCON_PRSCEN;
- if (platform_get_device_id(pdev)->driver_data != TYPE_ADCV1) {
- /* Enable 12-bit ADC resolution */
+
+ /* Enable 12-bit ADC resolution */
+ if (cpu == TYPE_ADCV12)
+ tmp |= S3C2416_ADCCON_RESSEL;
+ if (cpu == TYPE_ADCV2 || cpu == TYPE_ADCV3)
tmp |= S3C64XX_ADCCON_RESSEL;
- }
+
writel(tmp, adc->regs + S3C2410_ADCCON);
dev_info(dev, "attached adc driver\n");
@@ -464,6 +474,7 @@ static int s3c_adc_resume(struct device *dev)
struct platform_device *pdev = container_of(dev,
struct platform_device, dev);
struct adc_device *adc = platform_get_drvdata(pdev);
+ enum s3c_cpu_type cpu = platform_get_device_id(pdev)->driver_data;
int ret;
unsigned long tmp;
@@ -474,9 +485,13 @@ static int s3c_adc_resume(struct device *dev)
enable_irq(adc->irq);
tmp = adc->prescale | S3C2410_ADCCON_PRSCEN;
+
/* Enable 12-bit ADC resolution */
- if (platform_get_device_id(pdev)->driver_data != TYPE_ADCV1)
+ if (cpu == TYPE_ADCV12)
+ tmp |= S3C2416_ADCCON_RESSEL;
+ if (cpu == TYPE_ADCV2 || cpu == TYPE_ADCV3)
tmp |= S3C64XX_ADCCON_RESSEL;
+
writel(tmp, adc->regs + S3C2410_ADCCON);
return 0;
@@ -492,6 +507,12 @@ static struct platform_device_id s3c_adc_driver_ids[] = {
.name = "s3c24xx-adc",
.driver_data = TYPE_ADCV1,
}, {
+ .name = "s3c2443-adc",
+ .driver_data = TYPE_ADCV11,
+ }, {
+ .name = "s3c2416-adc",
+ .driver_data = TYPE_ADCV12,
+ }, {
.name = "s3c64xx-adc",
.driver_data = TYPE_ADCV2,
}, {
diff --git a/arch/arm/plat-samsung/include/plat/adc-core.h b/arch/arm/plat-samsung/include/plat/adc-core.h
index a281568d585..a927bee5535 100644
--- a/arch/arm/plat-samsung/include/plat/adc-core.h
+++ b/arch/arm/plat-samsung/include/plat/adc-core.h
@@ -20,7 +20,7 @@
/* re-define device name depending on support. */
static inline void s3c_adc_setname(char *name)
{
-#ifdef CONFIG_SAMSUNG_DEV_ADC
+#if defined(CONFIG_SAMSUNG_DEV_ADC) || defined(CONFIG_PLAT_S3C24XX)
s3c_device_adc.name = name;
#endif
}
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index 54f370f0fc0..40fd7b6b5e6 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -25,7 +25,6 @@ extern unsigned long samsung_cpu_id;
#define S3C6400_CPU_ID 0x36400000
#define S3C6410_CPU_ID 0x36410000
-#define S3C64XX_CPU_ID (S3C6400_CPU_ID & S3C6410_CPU_ID)
#define S3C64XX_CPU_MASK 0xFFFFF000
#define S5P6440_CPU_ID 0x56440000
@@ -50,7 +49,8 @@ static inline int is_samsung_##name(void) \
}
IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK)
-IS_SAMSUNG_CPU(s3c64xx, S3C64XX_CPU_ID, S3C64XX_CPU_MASK)
+IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK)
+IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK)
IS_SAMSUNG_CPU(s5p6440, S5P6440_CPU_ID, S5P64XX_CPU_MASK)
IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK)
IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK)
@@ -69,7 +69,7 @@ IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
#endif
#if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410)
-# define soc_is_s3c64xx() is_samsung_s3c64xx()
+# define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410())
#else
# define soc_is_s3c64xx() 0
#endif
diff --git a/arch/arm/plat-samsung/include/plat/regs-adc.h b/arch/arm/plat-samsung/include/plat/regs-adc.h
index 035e8c38d69..70612100120 100644
--- a/arch/arm/plat-samsung/include/plat/regs-adc.h
+++ b/arch/arm/plat-samsung/include/plat/regs-adc.h
@@ -20,6 +20,7 @@
#define S3C2410_ADCDAT0 S3C2410_ADCREG(0x0C)
#define S3C2410_ADCDAT1 S3C2410_ADCREG(0x10)
#define S3C64XX_ADCUPDN S3C2410_ADCREG(0x14)
+#define S3C2443_ADCMUX S3C2410_ADCREG(0x18)
#define S3C64XX_ADCCLRINT S3C2410_ADCREG(0x18)
#define S5P_ADCMUX S3C2410_ADCREG(0x1C)
#define S3C64XX_ADCCLRINTPNDNUP S3C2410_ADCREG(0x20)
@@ -33,6 +34,7 @@
#define S3C2410_ADCCON_PRSCVLMASK (0xFF<<6)
#define S3C2410_ADCCON_SELMUX(x) (((x)&0x7)<<3)
#define S3C2410_ADCCON_MUXMASK (0x7<<3)
+#define S3C2416_ADCCON_RESSEL (1 << 3)
#define S3C2410_ADCCON_STDBM (1<<2)
#define S3C2410_ADCCON_READ_START (1<<1)
#define S3C2410_ADCCON_ENABLE_START (1<<0)
@@ -40,6 +42,7 @@
/* ADCTSC Register Bits */
+#define S3C2443_ADCTSC_UD_SEN (1 << 8)
#define S3C2410_ADCTSC_YM_SEN (1<<7)
#define S3C2410_ADCTSC_YP_SEN (1<<6)
#define S3C2410_ADCTSC_XM_SEN (1<<5)
diff --git a/arch/arm/plat-samsung/include/plat/s3c2443.h b/arch/arm/plat-samsung/include/plat/s3c2443.h
index 4b2ac9a272b..7fae1a05069 100644
--- a/arch/arm/plat-samsung/include/plat/s3c2443.h
+++ b/arch/arm/plat-samsung/include/plat/s3c2443.h
@@ -37,10 +37,11 @@ extern int s3c2443_baseclk_add(void);
struct clk; /* some files don't need clk.h otherwise */
typedef unsigned int (*pll_fn)(unsigned int reg, unsigned int base);
-typedef unsigned int (*fdiv_fn)(unsigned long clkcon0);
-extern void s3c2443_common_setup_clocks(pll_fn get_mpll, fdiv_fn fdiv);
-extern void s3c2443_common_init_clocks(int xtal, pll_fn get_mpll, fdiv_fn fdiv);
+extern void s3c2443_common_setup_clocks(pll_fn get_mpll);
+extern void s3c2443_common_init_clocks(int xtal, pll_fn get_mpll,
+ unsigned int *divs, int nr_divs,
+ int divmask);
extern int s3c2443_clkcon_enable_h(struct clk *clk, int enable);
extern int s3c2443_clkcon_enable_p(struct clk *clk, int enable);