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-rw-r--r--arch/arm/configs/mini2440_defconfig2
-rw-r--r--arch/arm/configs/s3c2410_defconfig2
-rw-r--r--arch/arm/mach-s3c6400/include/mach/map.h1
-rw-r--r--arch/arm/plat-s3c/include/plat/regs-adc.h3
-rw-r--r--arch/arm/plat-s3c24xx/Kconfig7
-rw-r--r--arch/arm/plat-s3c24xx/Makefile1
-rw-r--r--arch/arm/plat-s3c64xx/Makefile4
-rw-r--r--arch/arm/plat-s3c64xx/dev-adc.c46
-rw-r--r--arch/arm/plat-samsung/Kconfig9
-rw-r--r--arch/arm/plat-samsung/Makefile4
-rw-r--r--arch/arm/plat-samsung/adc.c (renamed from arch/arm/plat-s3c24xx/adc.c)31
-rw-r--r--arch/arm/plat-samsung/include/plat/adc.h (renamed from arch/arm/plat-s3c/include/plat/adc.h)4
12 files changed, 98 insertions, 16 deletions
diff --git a/arch/arm/configs/mini2440_defconfig b/arch/arm/configs/mini2440_defconfig
index d2a90eb844a..4c46644b6f1 100644
--- a/arch/arm/configs/mini2440_defconfig
+++ b/arch/arm/configs/mini2440_defconfig
@@ -184,7 +184,7 @@ CONFIG_S3C24XX_PWM=y
CONFIG_S3C24XX_GPIO_EXTRA=0
CONFIG_S3C2410_DMA=y
# CONFIG_S3C2410_DMA_DEBUG is not set
-CONFIG_S3C24XX_ADC=y
+CONFIG_S3C_ADC=y
CONFIG_PLAT_S3C=y
CONFIG_CPU_LLSERIAL_S3C2440_ONLY=y
CONFIG_CPU_LLSERIAL_S3C2440=y
diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig
index 2f10dae0279..9697e97677e 100644
--- a/arch/arm/configs/s3c2410_defconfig
+++ b/arch/arm/configs/s3c2410_defconfig
@@ -187,7 +187,7 @@ CONFIG_S3C24XX_GPIO_EXTRA128=y
CONFIG_PM_SIMTEC=y
CONFIG_S3C2410_DMA=y
# CONFIG_S3C2410_DMA_DEBUG is not set
-CONFIG_S3C24XX_ADC=y
+CONFIG_S3C_ADC=y
CONFIG_MACH_SMDK=y
CONFIG_PLAT_S3C=y
CONFIG_CPU_LLSERIAL_S3C2410=y
diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c6400/include/mach/map.h
index 0552716d6bb..c33810ed21b 100644
--- a/arch/arm/mach-s3c6400/include/mach/map.h
+++ b/arch/arm/mach-s3c6400/include/mach/map.h
@@ -43,6 +43,7 @@
#define S3C64XX_PA_USB_HSOTG (0x7C000000)
#define S3C64XX_PA_WATCHDOG (0x7E004000)
#define S3C64XX_PA_RTC (0x7E005000)
+#define S3C64XX_PA_ADC (0x7E00B000)
#define S3C64XX_PA_SYSCON (0x7E00F000)
#define S3C64XX_PA_AC97 (0x7F001000)
#define S3C64XX_PA_IIS0 (0x7F002000)
diff --git a/arch/arm/plat-s3c/include/plat/regs-adc.h b/arch/arm/plat-s3c/include/plat/regs-adc.h
index 4323cccc86c..f43c8dab39e 100644
--- a/arch/arm/plat-s3c/include/plat/regs-adc.h
+++ b/arch/arm/plat-s3c/include/plat/regs-adc.h
@@ -19,6 +19,9 @@
#define S3C2410_ADCDLY S3C2410_ADCREG(0x08)
#define S3C2410_ADCDAT0 S3C2410_ADCREG(0x0C)
#define S3C2410_ADCDAT1 S3C2410_ADCREG(0x10)
+#define S3C64XX_ADCUPDN S3C2410_ADCREG(0x14)
+#define S3C64XX_ADCCLRINT S3C2410_ADCREG(0x18)
+#define S3C64XX_ADCCLRINTPNDNUP S3C2410_ADCREG(0x20)
/* ADCCON Register Bits */
diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig
index 342647eb91d..a806f359ceb 100644
--- a/arch/arm/plat-s3c24xx/Kconfig
+++ b/arch/arm/plat-s3c24xx/Kconfig
@@ -117,13 +117,6 @@ config S3C2410_DMA_DEBUG
Enable debugging output for the DMA code. This option sends info
to the kernel log, at priority KERN_DEBUG.
-config S3C24XX_ADC
- bool "ADC common driver support"
- help
- Core support for the ADC block found in the S3C24XX SoC systems
- for drivers such as the touchscreen and hwmon to use to share
- this resource.
-
# SPI default pin configuration code
config S3C24XX_SPI_BUS0_GPE11_GPE12_GPE13
diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile
index 5dee8c12e8b..e0100266d03 100644
--- a/arch/arm/plat-s3c24xx/Makefile
+++ b/arch/arm/plat-s3c24xx/Makefile
@@ -38,7 +38,6 @@ obj-$(CONFIG_PM) += irq-pm.o
obj-$(CONFIG_PM) += sleep.o
obj-$(CONFIG_S3C2410_CLOCK) += s3c2410-clock.o
obj-$(CONFIG_S3C2410_DMA) += dma.o
-obj-$(CONFIG_S3C24XX_ADC) += adc.o
obj-$(CONFIG_S3C2410_IOTIMING) += s3c2410-iotiming.o
obj-$(CONFIG_S3C2412_IOTIMING) += s3c2412-iotiming.o
obj-$(CONFIG_S3C2410_CPUFREQ_UTILS) += s3c2410-cpufreq-utils.o
diff --git a/arch/arm/plat-s3c64xx/Makefile b/arch/arm/plat-s3c64xx/Makefile
index e66dbd7ce9d..b241f369556 100644
--- a/arch/arm/plat-s3c64xx/Makefile
+++ b/arch/arm/plat-s3c64xx/Makefile
@@ -36,6 +36,10 @@ obj-$(CONFIG_PM) += irq-pm.o
obj-$(CONFIG_S3C64XX_DMA) += dma.o
+# ADC support
+
+obj-$(CONFIG_S3C_ADC) += dev-adc.o
+
# Device setup
obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o
diff --git a/arch/arm/plat-s3c64xx/dev-adc.c b/arch/arm/plat-s3c64xx/dev-adc.c
new file mode 100644
index 00000000000..fafef9b6bcf
--- /dev/null
+++ b/arch/arm/plat-s3c64xx/dev-adc.c
@@ -0,0 +1,46 @@
+/* linux/arch/arm/plat-s3c64xx/dev-adc.c
+ *
+ * Copyright 2010 Maurus Cuelenaere
+ *
+ * S3C64xx series device definition for ADC device
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/adc.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+static struct resource s3c_adc_resource[] = {
+ [0] = {
+ .start = S3C64XX_PA_ADC,
+ .end = S3C64XX_PA_ADC + SZ_256 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_TC,
+ .end = IRQ_TC,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_ADC,
+ .end = IRQ_ADC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device s3c_device_adc = {
+ .name = "s3c64xx-adc",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(s3c_adc_resource),
+ .resource = s3c_adc_resource,
+};
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index faec4b8c626..e6c12296735 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -74,6 +74,15 @@ config SAMSUNG_GPIO_EXTRA
provides. This allows expanding the GPIO space for use with
GPIO expanders.
+# ADC driver
+
+config S3C_ADC
+ bool "ADC common driver support"
+ help
+ Core support for the ADC block found in the Samsung SoC systems
+ for drivers such as the touchscreen and hwmon to use to share
+ this resource.
+
# device definitions to compile in
config S3C_DEV_HSMMC
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index aeb7e12d1f6..ee310384b90 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -20,6 +20,10 @@ obj-$(CONFIG_SAMSUNG_CLKSRC) += clock-clksrc.o
obj-$(CONFIG_SAMSUNG_IRQ_UART) += irq-uart.o
obj-$(CONFIG_SAMSUNG_IRQ_VIC_TIMER) += irq-vic-timer.o
+# ADC
+
+obj-$(CONFIG_S3C_ADC) += adc.o
+
# devices
obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o
diff --git a/arch/arm/plat-s3c24xx/adc.c b/arch/arm/plat-samsung/adc.c
index ce47627f336..120b7902fc2 100644
--- a/arch/arm/plat-s3c24xx/adc.c
+++ b/arch/arm/plat-samsung/adc.c
@@ -1,10 +1,10 @@
-/* arch/arm/plat-s3c24xx/adc.c
+/* arch/arm/plat-samsung/adc.c
*
* Copyright (c) 2008 Simtec Electronics
* http://armlinux.simtec.co.uk/
* Ben Dooks <ben@simtec.co.uk>, <ben-linux@fluff.org>
*
- * S3C24XX ADC device core
+ * Samsung ADC device core
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -37,6 +37,11 @@
* action is required.
*/
+enum s3c_cpu_type {
+ TYPE_S3C24XX,
+ TYPE_S3C64XX
+};
+
struct s3c_adc_client {
struct platform_device *pdev;
struct list_head pend;
@@ -262,7 +267,7 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
if (!client) {
dev_warn(&adc->pdev->dev, "%s: no adc pending\n", __func__);
- return IRQ_HANDLED;
+ goto exit;
}
data0 = readl(adc->regs + S3C2410_ADCDAT0);
@@ -289,6 +294,11 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
local_irq_restore(flags);
}
+exit:
+ if (platform_get_device_id(client->pdev)->driver_data == TYPE_S3C64XX) {
+ /* Clear ADC interrupt */
+ writel(0, adc->regs + S3C64XX_ADCCLRINT);
+ }
return IRQ_HANDLED;
}
@@ -410,9 +420,22 @@ static int s3c_adc_resume(struct platform_device *pdev)
#define s3c_adc_resume NULL
#endif
+static struct platform_device_id s3c_adc_driver_ids[] = {
+ {
+ .name = "s3c24xx-adc",
+ .driver_data = TYPE_S3C24XX,
+ }, {
+ .name = "s3c64xx-adc",
+ .driver_data = TYPE_S3C64XX,
+ },
+ { }
+};
+MODULE_DEVICE_TABLE(platform, s3c_adc_driver_ids);
+
static struct platform_driver s3c_adc_driver = {
+ .id_table = s3c_adc_driver_ids,
.driver = {
- .name = "s3c24xx-adc",
+ .name = "s3c-adc",
.owner = THIS_MODULE,
},
.probe = s3c_adc_probe,
diff --git a/arch/arm/plat-s3c/include/plat/adc.h b/arch/arm/plat-samsung/include/plat/adc.h
index 5f3b1cd53b9..e8382c7be10 100644
--- a/arch/arm/plat-s3c/include/plat/adc.h
+++ b/arch/arm/plat-samsung/include/plat/adc.h
@@ -1,10 +1,10 @@
-/* arch/arm/plat-s3c/include/plat/adc.h
+/* arch/arm/plat-samsung/include/plat/adc.h
*
* Copyright (c) 2008 Simtec Electronics
* http://armlinux.simnte.co.uk/
* Ben Dooks <ben@simtec.co.uk>
*
- * S3C24XX ADC driver information
+ * S3C ADC driver information
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-20 06:45:47 +0000