ARM: Merge next-samsung-mc-adc

Merge branch 'next-samsung-mc-adc' into next-samsung-try5 Conflicts: arch/arm/mach-s3c6400/include/mach/map.h (fix ADC and RTC merge)
git-mirror · Jan 19, 2010 · 8e2376a · 8e2376a
2 parents 7126936 + bcedfa9
commit 8e2376a
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Showing 12 changed files with 98 additions and 16 deletions.
diff --git 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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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 → arch/arm/plat-samsung/adc.c b/arch/arm/plat-s3c24xx/adc.c → 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 → arch/arm/plat-samsung/include/plat/adc.h b/arch/arm/plat-s3c/include/plat/adc.h → 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