diff --git a/arch/arm/configs/mini2440_defconfig b/arch/arm/configs/mini2440_defconfig index d2a90eb844a9d89d0833540e7ccf597bb7054a15..4c46644b6f18df49e0229484c88448c3c59b9f37 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 2f10dae0279630b3e1da4c21fa99044d5fc57450..9697e97677eccd57dabaafa043eb7b852c5a459b 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 0552716d6bb2a2a11f0f599914fb72231471556f..c33810ed21b350dd6754d3d678ea7f6d28961b0b 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 4323cccc86cd916b2452882b76ce644796728f1b..f43c8dab39e4cd1367b599b65b299f13fefe584f 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 342647eb91d8d24254a16134c294593e8ca424ea..a806f359ceb6745952b058532208b4d9aaa275a4 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 5dee8c12e8b4379330e78049cb9e1953d6ae4fd3..e0100266d0393159d72955e98ff681f8e3ea9717 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 e66dbd7ce9d68d88c053b5d0676665fe88152fb3..b241f3695560fef381920eb5e4dfd3156983520d 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 0000000000000000000000000000000000000000..fafef9b6bcfa4d60907ee31d97136d6ca1a50e8f --- /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 faec4b8c626c81b9c0fe899fe6830b50d75cf965..e6c122967355e49d73529941aa06d81ccd97d301 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 aeb7e12d1f637621c9a855ae61bd750ab3302e0d..ee310384b90fb5ddee00ac85dbd92726df2b61ce 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 similarity index 93% rename from arch/arm/plat-s3c24xx/adc.c rename to arch/arm/plat-samsung/adc.c index ce47627f3368f556b22f0694e7de68325a7e074d..120b7902fc2fd02a6b55512cbfaf74d296ac4775 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 similarity index 92% rename from arch/arm/plat-s3c/include/plat/adc.h rename to arch/arm/plat-samsung/include/plat/adc.h index 5f3b1cd53b908d406fac6cb2d83c71d73e78d03d..e8382c7be10b95f4b0520af7e8e5d9ca80a73072 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