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-rw-r--r--arch/arm/plat-samsung/adc.c84
-rw-r--r--arch/arm/plat-samsung/dev-asocdma.c10
-rw-r--r--arch/arm/plat-samsung/include/plat/audio.h1
-rw-r--r--arch/arm/plat-samsung/include/plat/devs.h8
-rw-r--r--arch/arm/plat-samsung/include/plat/regs-adc.h1
-rw-r--r--arch/arm/plat-samsung/include/plat/regs-serial.h2
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c64xx-spi.h2
-rw-r--r--arch/arm/plat-samsung/irq-uart.c7
-rw-r--r--arch/arm/plat-samsung/pm.c2
9 files changed, 97 insertions, 20 deletions
diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c
index e8f2be2d67f2..ee8deef19481 100644
--- a/arch/arm/plat-samsung/adc.c
+++ b/arch/arm/plat-samsung/adc.c
@@ -21,6 +21,7 @@
#include <linux/clk.h>
#include <linux/interrupt.h>
#include <linux/io.h>
+#include <linux/regulator/consumer.h>
#include <plat/regs-adc.h>
#include <plat/adc.h>
@@ -39,8 +40,9 @@
*/
enum s3c_cpu_type {
- TYPE_S3C24XX,
- TYPE_S3C64XX
+ TYPE_ADCV1, /* S3C24XX */
+ TYPE_ADCV2, /* S3C64XX, S5P64X0, S5PC100 */
+ TYPE_ADCV3, /* S5PV210, S5PC110, EXYNOS4210 */
};
struct s3c_adc_client {
@@ -71,6 +73,7 @@ struct adc_device {
unsigned int prescale;
int irq;
+ struct regulator *vdd;
};
static struct adc_device *adc_dev;
@@ -91,6 +94,7 @@ static inline void s3c_adc_select(struct adc_device *adc,
struct s3c_adc_client *client)
{
unsigned con = readl(adc->regs + S3C2410_ADCCON);
+ enum s3c_cpu_type cpu = platform_get_device_id(adc->pdev)->driver_data;
client->select_cb(client, 1);
@@ -98,8 +102,12 @@ static inline void s3c_adc_select(struct adc_device *adc,
con &= ~S3C2410_ADCCON_STDBM;
con &= ~S3C2410_ADCCON_STARTMASK;
- if (!client->is_ts)
- con |= S3C2410_ADCCON_SELMUX(client->channel);
+ if (!client->is_ts) {
+ if (cpu == TYPE_ADCV3)
+ writel(client->channel & 0xf, adc->regs + S5P_ADCMUX);
+ else
+ con |= S3C2410_ADCCON_SELMUX(client->channel);
+ }
writel(con, adc->regs + S3C2410_ADCCON);
}
@@ -285,8 +293,8 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
client->nr_samples--;
- if (cpu == TYPE_S3C64XX) {
- /* S3C64XX ADC resolution is 12-bit */
+ if (cpu != TYPE_ADCV1) {
+ /* S3C64XX/S5P ADC resolution is 12-bit */
data0 &= 0xfff;
data1 &= 0xfff;
} else {
@@ -312,7 +320,7 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
}
exit:
- if (cpu == TYPE_S3C64XX) {
+ if (cpu != TYPE_ADCV1) {
/* Clear ADC interrupt */
writel(0, adc->regs + S3C64XX_ADCCLRINT);
}
@@ -338,17 +346,24 @@ static int s3c_adc_probe(struct platform_device *pdev)
adc->pdev = pdev;
adc->prescale = S3C2410_ADCCON_PRSCVL(49);
+ adc->vdd = regulator_get(dev, "vdd");
+ if (IS_ERR(adc->vdd)) {
+ dev_err(dev, "operating without regulator \"vdd\" .\n");
+ ret = PTR_ERR(adc->vdd);
+ goto err_alloc;
+ }
+
adc->irq = platform_get_irq(pdev, 1);
if (adc->irq <= 0) {
dev_err(dev, "failed to get adc irq\n");
ret = -ENOENT;
- goto err_alloc;
+ goto err_reg;
}
ret = request_irq(adc->irq, s3c_adc_irq, 0, dev_name(dev), adc);
if (ret < 0) {
dev_err(dev, "failed to attach adc irq\n");
- goto err_alloc;
+ goto err_reg;
}
adc->clk = clk_get(dev, "adc");
@@ -372,10 +387,14 @@ static int s3c_adc_probe(struct platform_device *pdev)
goto err_clk;
}
+ ret = regulator_enable(adc->vdd);
+ if (ret)
+ goto err_ioremap;
+
clk_enable(adc->clk);
tmp = adc->prescale | S3C2410_ADCCON_PRSCEN;
- if (platform_get_device_id(pdev)->driver_data == TYPE_S3C64XX) {
+ if (platform_get_device_id(pdev)->driver_data != TYPE_ADCV1) {
/* Enable 12-bit ADC resolution */
tmp |= S3C64XX_ADCCON_RESSEL;
}
@@ -388,12 +407,15 @@ static int s3c_adc_probe(struct platform_device *pdev)
return 0;
+ err_ioremap:
+ iounmap(adc->regs);
err_clk:
clk_put(adc->clk);
err_irq:
free_irq(adc->irq, adc);
-
+ err_reg:
+ regulator_put(adc->vdd);
err_alloc:
kfree(adc);
return ret;
@@ -406,6 +428,8 @@ static int __devexit s3c_adc_remove(struct platform_device *pdev)
iounmap(adc->regs);
free_irq(adc->irq, adc);
clk_disable(adc->clk);
+ regulator_disable(adc->vdd);
+ regulator_put(adc->vdd);
clk_put(adc->clk);
kfree(adc);
@@ -413,8 +437,10 @@ static int __devexit s3c_adc_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM
-static int s3c_adc_suspend(struct platform_device *pdev, pm_message_t state)
+static int s3c_adc_suspend(struct device *dev)
{
+ struct platform_device *pdev = container_of(dev,
+ struct platform_device, dev);
struct adc_device *adc = platform_get_drvdata(pdev);
unsigned long flags;
u32 con;
@@ -428,19 +454,30 @@ static int s3c_adc_suspend(struct platform_device *pdev, pm_message_t state)
disable_irq(adc->irq);
spin_unlock_irqrestore(&adc->lock, flags);
clk_disable(adc->clk);
+ regulator_disable(adc->vdd);
return 0;
}
-static int s3c_adc_resume(struct platform_device *pdev)
+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);
+ int ret;
+ unsigned long tmp;
+ ret = regulator_enable(adc->vdd);
+ if (ret)
+ return ret;
clk_enable(adc->clk);
enable_irq(adc->irq);
- writel(adc->prescale | S3C2410_ADCCON_PRSCEN,
- adc->regs + S3C2410_ADCCON);
+ tmp = adc->prescale | S3C2410_ADCCON_PRSCEN;
+ /* Enable 12-bit ADC resolution */
+ if (platform_get_device_id(pdev)->driver_data != TYPE_ADCV1)
+ tmp |= S3C64XX_ADCCON_RESSEL;
+ writel(tmp, adc->regs + S3C2410_ADCCON);
return 0;
}
@@ -453,25 +490,32 @@ static int s3c_adc_resume(struct platform_device *pdev)
static struct platform_device_id s3c_adc_driver_ids[] = {
{
.name = "s3c24xx-adc",
- .driver_data = TYPE_S3C24XX,
+ .driver_data = TYPE_ADCV1,
}, {
.name = "s3c64xx-adc",
- .driver_data = TYPE_S3C64XX,
+ .driver_data = TYPE_ADCV2,
+ }, {
+ .name = "samsung-adc-v3",
+ .driver_data = TYPE_ADCV3,
},
{ }
};
MODULE_DEVICE_TABLE(platform, s3c_adc_driver_ids);
+static const struct dev_pm_ops adc_pm_ops = {
+ .suspend = s3c_adc_suspend,
+ .resume = s3c_adc_resume,
+};
+
static struct platform_driver s3c_adc_driver = {
.id_table = s3c_adc_driver_ids,
.driver = {
.name = "s3c-adc",
.owner = THIS_MODULE,
+ .pm = &adc_pm_ops,
},
.probe = s3c_adc_probe,
.remove = __devexit_p(s3c_adc_remove),
- .suspend = s3c_adc_suspend,
- .resume = s3c_adc_resume,
};
static int __init adc_init(void)
@@ -485,4 +529,4 @@ static int __init adc_init(void)
return ret;
}
-arch_initcall(adc_init);
+module_init(adc_init);
diff --git a/arch/arm/plat-samsung/dev-asocdma.c b/arch/arm/plat-samsung/dev-asocdma.c
index a068c4f42d56..97e35d3c064d 100644
--- a/arch/arm/plat-samsung/dev-asocdma.c
+++ b/arch/arm/plat-samsung/dev-asocdma.c
@@ -23,3 +23,13 @@ struct platform_device samsung_asoc_dma = {
}
};
EXPORT_SYMBOL(samsung_asoc_dma);
+
+struct platform_device samsung_asoc_idma = {
+ .name = "samsung-idma",
+ .id = -1,
+ .dev = {
+ .dma_mask = &audio_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ }
+};
+EXPORT_SYMBOL(samsung_asoc_idma);
diff --git a/arch/arm/plat-samsung/include/plat/audio.h b/arch/arm/plat-samsung/include/plat/audio.h
index a0826ed2f9fe..aa9875f77c40 100644
--- a/arch/arm/plat-samsung/include/plat/audio.h
+++ b/arch/arm/plat-samsung/include/plat/audio.h
@@ -44,6 +44,7 @@ struct samsung_i2s {
* Also corresponds to clocks of I2SMOD[10]
*/
const char **src_clk;
+ dma_addr_t idma_addr;
};
/**
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index 4af108ff4112..540969047a7b 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -12,6 +12,10 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+
+#ifndef __PLAT_DEVS_H
+#define __PLAT_DEVS_H __FILE__
+
#include <linux/platform_device.h>
struct s3c24xx_uart_resources {
@@ -36,6 +40,7 @@ extern struct platform_device s3c64xx_device_spi0;
extern struct platform_device s3c64xx_device_spi1;
extern struct platform_device samsung_asoc_dma;
+extern struct platform_device samsung_asoc_idma;
extern struct platform_device s3c64xx_device_pcm0;
extern struct platform_device s3c64xx_device_pcm1;
@@ -108,6 +113,7 @@ extern struct platform_device exynos4_device_i2s2;
extern struct platform_device exynos4_device_spdif;
extern struct platform_device exynos4_device_pd[];
extern struct platform_device exynos4_device_ahci;
+extern struct platform_device exynos4_device_dwmci;
extern struct platform_device s5p6440_device_pcm;
extern struct platform_device s5p6440_device_iis;
@@ -159,3 +165,5 @@ extern struct platform_device s3c_device_ac97;
*/
extern void *s3c_set_platdata(void *pd, size_t pdsize,
struct platform_device *pdev);
+
+#endif /* __PLAT_DEVS_H */
diff --git a/arch/arm/plat-samsung/include/plat/regs-adc.h b/arch/arm/plat-samsung/include/plat/regs-adc.h
index 7554c4fcddb9..035e8c38d69c 100644
--- a/arch/arm/plat-samsung/include/plat/regs-adc.h
+++ b/arch/arm/plat-samsung/include/plat/regs-adc.h
@@ -21,6 +21,7 @@
#define S3C2410_ADCDAT1 S3C2410_ADCREG(0x10)
#define S3C64XX_ADCUPDN S3C2410_ADCREG(0x14)
#define S3C64XX_ADCCLRINT S3C2410_ADCREG(0x18)
+#define S5P_ADCMUX S3C2410_ADCREG(0x1C)
#define S3C64XX_ADCCLRINTPNDNUP S3C2410_ADCREG(0x20)
diff --git a/arch/arm/plat-samsung/include/plat/regs-serial.h b/arch/arm/plat-samsung/include/plat/regs-serial.h
index c151c5f94a87..116edfe120b9 100644
--- a/arch/arm/plat-samsung/include/plat/regs-serial.h
+++ b/arch/arm/plat-samsung/include/plat/regs-serial.h
@@ -224,6 +224,8 @@
#define S5PV210_UFSTAT_RXMASK (255<<0)
#define S5PV210_UFSTAT_RXSHIFT (0)
+#define NO_NEED_CHECK_CLKSRC 1
+
#ifndef __ASSEMBLY__
/* struct s3c24xx_uart_clksrc
diff --git a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
index 0ffe34a21554..4c16fa3621bb 100644
--- a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
+++ b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
@@ -39,6 +39,7 @@ struct s3c64xx_spi_csinfo {
* @fifo_lvl_mask: All tx fifo_lvl fields start at offset-6
* @rx_lvl_offset: Depends on tx fifo_lvl field and bus number
* @high_speed: If the controller supports HIGH_SPEED_EN bit
+ * @tx_st_done: Depends on tx fifo_lvl field
*/
struct s3c64xx_spi_info {
int src_clk_nr;
@@ -53,6 +54,7 @@ struct s3c64xx_spi_info {
int fifo_lvl_mask;
int rx_lvl_offset;
int high_speed;
+ int tx_st_done;
};
/**
diff --git a/arch/arm/plat-samsung/irq-uart.c b/arch/arm/plat-samsung/irq-uart.c
index 32582c0958e3..8960eaf8bb22 100644
--- a/arch/arm/plat-samsung/irq-uart.c
+++ b/arch/arm/plat-samsung/irq-uart.c
@@ -19,6 +19,8 @@
#include <linux/irq.h>
#include <linux/io.h>
+#include <asm/mach/irq.h>
+
#include <mach/map.h>
#include <plat/irq-uart.h>
#include <plat/regs-serial.h>
@@ -30,9 +32,12 @@
static void s3c_irq_demux_uart(unsigned int irq, struct irq_desc *desc)
{
struct s3c_uart_irq *uirq = desc->irq_data.handler_data;
+ struct irq_chip *chip = irq_get_chip(irq);
u32 pend = __raw_readl(uirq->regs + S3C64XX_UINTP);
int base = uirq->base_irq;
+ chained_irq_enter(chip, desc);
+
if (pend & (1 << 0))
generic_handle_irq(base);
if (pend & (1 << 1))
@@ -41,6 +46,8 @@ static void s3c_irq_demux_uart(unsigned int irq, struct irq_desc *desc)
generic_handle_irq(base + 2);
if (pend & (1 << 3))
generic_handle_irq(base + 3);
+
+ chained_irq_exit(chip, desc);
}
static void __init s3c_init_uart_irq(struct s3c_uart_irq *uirq)
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
index 5c0a440d6e16..4f9a9515beae 100644
--- a/arch/arm/plat-samsung/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -268,6 +268,7 @@ static int s3c_pm_enter(suspend_state_t state)
/* save all necessary core registers not covered by the drivers */
s3c_pm_save_gpios();
+ s3c_pm_saved_gpios();
s3c_pm_save_uarts();
s3c_pm_save_core();
@@ -309,6 +310,7 @@ static int s3c_pm_enter(suspend_state_t state)
s3c_pm_restore_core();
s3c_pm_restore_uarts();
s3c_pm_restore_gpios();
+ s3c_pm_restored_gpios();
s3c_pm_debug_init();
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-18 09:53:53 +0000