diff options
Diffstat (limited to 'arch')
60 files changed, 442 insertions, 66 deletions
diff --git a/arch/arm/mach-s3c2400/include/mach/map.h b/arch/arm/mach-s3c2400/include/mach/map.h index 1535540edc8..3fd889200e9 100644 --- a/arch/arm/mach-s3c2400/include/mach/map.h +++ b/arch/arm/mach-s3c2400/include/mach/map.h @@ -1,6 +1,6 @@ /* arch/arm/mach-s3c2400/include/mach/map.h * - * Copyright 2003,2007 Simtec Electronics + * Copyright 2003-2007 Simtec Electronics * http://armlinux.simtec.co.uk/ * Ben Dooks <ben@simtec.co.uk> * diff --git a/arch/arm/mach-s3c2410/bast-irq.c b/arch/arm/mach-s3c2410/bast-irq.c index 9a37c87152b..217b102866d 100644 --- a/arch/arm/mach-s3c2410/bast-irq.c +++ b/arch/arm/mach-s3c2410/bast-irq.c @@ -1,6 +1,6 @@ /* linux/arch/arm/mach-s3c2410/bast-irq.c * - * Copyright (c) 2003,2005 Simtec Electronics + * Copyright 2003-2005 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * http://www.simtec.co.uk/products/EB2410ITX/ @@ -141,7 +141,7 @@ static __init int bast_irq_init(void) unsigned int i; if (machine_is_bast()) { - printk(KERN_INFO "BAST PC104 IRQ routing, (c) 2005 Simtec Electronics\n"); + printk(KERN_INFO "BAST PC104 IRQ routing, Copyright 2005 Simtec Electronics\n"); /* zap all the IRQs */ diff --git a/arch/arm/mach-s3c2410/cpu-freq.c b/arch/arm/mach-s3c2410/cpu-freq.c index 9d1186877d0..75189df995a 100644 --- a/arch/arm/mach-s3c2410/cpu-freq.c +++ b/arch/arm/mach-s3c2410/cpu-freq.c @@ -1,6 +1,6 @@ /* linux/arch/arm/mach-s3c2410/cpu-freq.c * - * Copyright (c) 2006,2008 Simtec Electronics + * Copyright (c) 2006-2008 Simtec Electronics * http://armlinux.simtec.co.uk/ * Ben Dooks <ben@simtec.co.uk> * diff --git a/arch/arm/mach-s3c2410/include/mach/bast-cpld.h b/arch/arm/mach-s3c2410/include/mach/bast-cpld.h index 20493b04836..bee2a7a932a 100644 --- a/arch/arm/mach-s3c2410/include/mach/bast-cpld.h +++ b/arch/arm/mach-s3c2410/include/mach/bast-cpld.h @@ -1,6 +1,6 @@ /* arch/arm/mach-s3c2410/include/mach/bast-cpld.h * - * Copyright (c) 2003,2004 Simtec Electronics + * Copyright (c) 2003-2004 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * BAST - CPLD control constants diff --git a/arch/arm/mach-s3c2410/include/mach/bast-irq.h b/arch/arm/mach-s3c2410/include/mach/bast-irq.h index 501c202b53c..cac428c42e7 100644 --- a/arch/arm/mach-s3c2410/include/mach/bast-irq.h +++ b/arch/arm/mach-s3c2410/include/mach/bast-irq.h @@ -1,6 +1,6 @@ /* arch/arm/mach-s3c2410/include/mach/bast-irq.h * - * Copyright (c) 2003,2004 Simtec Electronics + * Copyright (c) 2003-2004 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * Machine BAST - IRQ Number definitions diff --git a/arch/arm/mach-s3c2410/include/mach/bast-map.h b/arch/arm/mach-s3c2410/include/mach/bast-map.h index c2c5baf0734..6e7dc9d0cf0 100644 --- a/arch/arm/mach-s3c2410/include/mach/bast-map.h +++ b/arch/arm/mach-s3c2410/include/mach/bast-map.h @@ -1,6 +1,6 @@ /* arch/arm/mach-s3c2410/include/mach/bast-map.h * - * Copyright (c) 2003,2004 Simtec Electronics + * Copyright (c) 2003-2004 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * Machine BAST - Memory map definitions diff --git a/arch/arm/mach-s3c2410/include/mach/bast-pmu.h b/arch/arm/mach-s3c2410/include/mach/bast-pmu.h index 61684cb8ce5..4c38b39b741 100644 --- a/arch/arm/mach-s3c2410/include/mach/bast-pmu.h +++ b/arch/arm/mach-s3c2410/include/mach/bast-pmu.h @@ -1,6 +1,6 @@ /* arch/arm/mach-s3c2410/include/mach/bast-pmu.h * - * Copyright (c) 2003,2004 Simtec Electronics + * Copyright (c) 2003-2004 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * Vincent Sanders <vince@simtec.co.uk> * diff --git a/arch/arm/mach-s3c2410/include/mach/dma.h b/arch/arm/mach-s3c2410/include/mach/dma.h index 92e2687009e..08ac5f96c01 100644 --- a/arch/arm/mach-s3c2410/include/mach/dma.h +++ b/arch/arm/mach-s3c2410/include/mach/dma.h @@ -1,6 +1,6 @@ /* arch/arm/mach-s3c2410/include/mach/dma.h * - * Copyright (C) 2003,2004,2006 Simtec Electronics + * Copyright (C) 2003-2006 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * Samsung S3C24XX DMA support diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h index 801dff13858..035a493952d 100644 --- a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h +++ b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h @@ -1,6 +1,6 @@ /* arch/arm/mach-s3c2410/include/mach/gpio-fns.h * - * Copyright (c) 2003,2009 Simtec Electronics + * Copyright (c) 2003-2009 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * S3C2410 - hardware diff --git a/arch/arm/mach-s3c2410/include/mach/osiris-map.h b/arch/arm/mach-s3c2410/include/mach/osiris-map.h index 639eff523d4..17380f84842 100644 --- a/arch/arm/mach-s3c2410/include/mach/osiris-map.h +++ b/arch/arm/mach-s3c2410/include/mach/osiris-map.h @@ -1,6 +1,6 @@ /* arch/arm/mach-s3c2410/include/mach/osiris-map.h * - * (c) 2005 Simtec Electronics + * Copyright 2005 Simtec Electronics * http://www.simtec.co.uk/products/ * Ben Dooks <ben@simtec.co.uk> * diff --git a/arch/arm/mach-s3c2410/include/mach/regs-clock.h b/arch/arm/mach-s3c2410/include/mach/regs-clock.h index 2a5d90e957f..9a0d169be13 100644 --- a/arch/arm/mach-s3c2410/include/mach/regs-clock.h +++ b/arch/arm/mach-s3c2410/include/mach/regs-clock.h @@ -1,7 +1,7 @@ /* arch/arm/mach-s3c2410/include/mach/regs-clock.h * - * Copyright (c) 2003,2004,2005,2006 Simtec Electronics <linux@simtec.co.uk> - * http://armlinux.simtec.co.uk/ + * Copyright (c) 2003-2006 Simtec Electronics <linux@simtec.co.uk> + * http://armlinux.simtec.co.uk/ * * 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 diff --git a/arch/arm/mach-s3c2410/include/mach/regs-gpio.h b/arch/arm/mach-s3c2410/include/mach/regs-gpio.h index f6e8eec879c..ebc85c6dadb 100644 --- a/arch/arm/mach-s3c2410/include/mach/regs-gpio.h +++ b/arch/arm/mach-s3c2410/include/mach/regs-gpio.h @@ -1,7 +1,7 @@ /* arch/arm/mach-s3c2410/include/mach/regs-gpio.h * - * Copyright (c) 2003,2004 Simtec Electronics <linux@simtec.co.uk> - * http://www.simtec.co.uk/products/SWLINUX/ + * Copyright (c) 2003-2004 Simtec Electronics <linux@simtec.co.uk> + * http://www.simtec.co.uk/products/SWLINUX/ * * 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 diff --git a/arch/arm/mach-s3c2410/include/mach/regs-power.h b/arch/arm/mach-s3c2410/include/mach/regs-power.h index 2d36353f57d..4932b87bdf3 100644 --- a/arch/arm/mach-s3c2410/include/mach/regs-power.h +++ b/arch/arm/mach-s3c2410/include/mach/regs-power.h @@ -1,7 +1,7 @@ /* arch/arm/mach-s3c2410/include/mach/regs-power.h * - * Copyright (c) 2003,2004,2005,2006 Simtec Electronics <linux@simtec.co.uk> - * http://armlinux.simtec.co.uk/ + * Copyright (c) 2003-2006 Simtec Electronics <linux@simtec.co.uk> + * http://armlinux.simtec.co.uk/ * * 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 diff --git a/arch/arm/mach-s3c2410/include/mach/uncompress.h b/arch/arm/mach-s3c2410/include/mach/uncompress.h index c9432103750..72f756c5e50 100644 --- a/arch/arm/mach-s3c2410/include/mach/uncompress.h +++ b/arch/arm/mach-s3c2410/include/mach/uncompress.h @@ -1,7 +1,6 @@ - /* arch/arm/mach-s3c2410/include/mach/uncompress.h * - * Copyright (c) 2003, 2007 Simtec Electronics + * Copyright (c) 2003-2007 Simtec Electronics * http://armlinux.simtec.co.uk/ * Ben Dooks <ben@simtec.co.uk> * diff --git a/arch/arm/mach-s3c2410/include/mach/vr1000-irq.h b/arch/arm/mach-s3c2410/include/mach/vr1000-irq.h index f53f85b4ad8..47add133b8e 100644 --- a/arch/arm/mach-s3c2410/include/mach/vr1000-irq.h +++ b/arch/arm/mach-s3c2410/include/mach/vr1000-irq.h @@ -1,6 +1,6 @@ /* arch/arm/mach-s3c2410/include/mach/vr1000-irq.h * - * Copyright (c) 2003,2004 Simtec Electronics + * Copyright (c) 2003-2004 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * Machine VR1000 - IRQ Number definitions diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c index 647c9adb018..c425eefb9f8 100644 --- a/arch/arm/mach-s3c2410/mach-bast.c +++ b/arch/arm/mach-s3c2410/mach-bast.c @@ -1,6 +1,6 @@ /* linux/arch/arm/mach-s3c2410/mach-bast.c * - * Copyright (c) 2003-2005,2008 Simtec Electronics + * Copyright 2003-2008 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * http://www.simtec.co.uk/products/EB2410ITX/ @@ -61,11 +61,12 @@ #include <plat/devs.h> #include <plat/cpu.h> #include <plat/cpu-freq.h> +#include <plat/audio-simtec.h> #include "usb-simtec.h" #include "nor-simtec.h" -#define COPYRIGHT ", (c) 2004-2005 Simtec Electronics" +#define COPYRIGHT ", Copyright 2004-2008 Simtec Electronics" /* macros for virtual address mods for the io space entries */ #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5) @@ -608,6 +609,11 @@ static struct s3c_cpufreq_board __initdata bast_cpufreq = { .need_io = 1, }; +static struct s3c24xx_audio_simtec_pdata __initdata bast_audio = { + .have_mic = 1, + .have_lout = 1, +}; + static void __init bast_map_io(void) { /* initialise the clocks */ @@ -647,6 +653,7 @@ static void __init bast_init(void) usb_simtec_init(); nor_simtec_init(); + simtec_audio_add(NULL, true, &bast_audio); s3c_cpufreq_setboard(&bast_cpufreq); } diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c index 1628cc773a2..0d61fb57717 100644 --- a/arch/arm/mach-s3c2410/mach-vr1000.c +++ b/arch/arm/mach-s3c2410/mach-vr1000.c @@ -1,6 +1,6 @@ /* linux/arch/arm/mach-s3c2410/mach-vr1000.c * - * Copyright (c) 2003-2005,2008 Simtec Electronics + * Copyright (c) 2003-2008 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * Machine support for Thorcom VR1000 board. Designed for Thorcom by @@ -49,6 +49,7 @@ #include <plat/devs.h> #include <plat/cpu.h> #include <plat/iic.h> +#include <plat/audio-simtec.h> #include "usb-simtec.h" #include "nor-simtec.h" @@ -393,6 +394,7 @@ static void __init vr1000_init(void) ARRAY_SIZE(vr1000_i2c_devs)); nor_simtec_init(); + simtec_audio_add(NULL, true, NULL); } MACHINE_START(VR1000, "Thorcom-VR1000") diff --git a/arch/arm/mach-s3c2410/pll.c b/arch/arm/mach-s3c2410/pll.c index f178c2fd9d8..8338865e11c 100644 --- a/arch/arm/mach-s3c2410/pll.c +++ b/arch/arm/mach-s3c2410/pll.c @@ -1,6 +1,6 @@ /* arch/arm/mach-s3c2410/pll.c * - * Copyright (c) 2006,2007 Simtec Electronics + * Copyright (c) 2006-2007 Simtec Electronics * http://armlinux.simtec.co.uk/ * Ben Dooks <ben@simtec.co.uk> * Vincent Sanders <vince@arm.linux.org.uk> diff --git a/arch/arm/mach-s3c2410/usb-simtec.c b/arch/arm/mach-s3c2410/usb-simtec.c index 50e25fc5f8a..6b9d0d83a6f 100644 --- a/arch/arm/mach-s3c2410/usb-simtec.c +++ b/arch/arm/mach-s3c2410/usb-simtec.c @@ -1,6 +1,6 @@ /* linux/arch/arm/mach-s3c2410/usb-simtec.c * - * Copyright (c) 2004,2005 Simtec Electronics + * Copyright 2004-2005 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * http://www.simtec.co.uk/products/EB2410ITX/ @@ -108,7 +108,7 @@ int usb_simtec_init(void) { int ret; - printk("USB Power Control, (c) 2004 Simtec Electronics\n"); + printk("USB Power Control, Copyright 2004 Simtec Electronics\n"); ret = gpio_request(S3C2410_GPB(4), "USB power control"); if (ret < 0) { diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig index a8b69d77571..cf10e14b7b4 100644 --- a/arch/arm/mach-s3c2440/Kconfig +++ b/arch/arm/mach-s3c2440/Kconfig @@ -53,6 +53,19 @@ config MACH_OSIRIS Say Y here if you are using the Simtec IM2440D20 module, also known as the Osiris. +config MACH_OSIRIS_DVS + tristate "Simtec IM2440D20 (OSIRIS) Dynamic Voltage Scaling driver" + depends on MACH_OSIRIS + select TPS65010 + help + Say Y/M here if you want to have dynamic voltage scaling support + on the Simtec IM2440D20 (OSIRIS) module via the TPS65011. + + The DVS driver alters the voltage supplied to the ARM core + depending on the frequency it is running at. The driver itself + does not do any of the frequency alteration, which is left up + to the cpufreq driver. + config MACH_RX3715 bool "HP iPAQ rx3715" select CPU_S3C2440 diff --git a/arch/arm/mach-s3c2440/Makefile b/arch/arm/mach-s3c2440/Makefile index bfadcf684a2..5f322453188 100644 --- a/arch/arm/mach-s3c2440/Makefile +++ b/arch/arm/mach-s3c2440/Makefile @@ -23,3 +23,7 @@ obj-$(CONFIG_ARCH_S3C2440) += mach-smdk2440.o obj-$(CONFIG_MACH_NEXCODER_2440) += mach-nexcoder.o obj-$(CONFIG_MACH_AT2440EVB) += mach-at2440evb.o obj-$(CONFIG_MACH_MINI2440) += mach-mini2440.o + +# extra machine support + +obj-$(CONFIG_MACH_OSIRIS_DVS) += mach-osiris-dvs.o diff --git a/arch/arm/mach-s3c2440/irq.c b/arch/arm/mach-s3c2440/irq.c index 63c5ab65727..0c049b95c37 100644 --- a/arch/arm/mach-s3c2440/irq.c +++ b/arch/arm/mach-s3c2440/irq.c @@ -1,6 +1,6 @@ /* linux/arch/arm/mach-s3c2440/irq.c * - * Copyright (c) 2003,2004 Simtec Electronics + * Copyright (c) 2003-2004 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * This program is free software; you can redistribute it and/or modify diff --git a/arch/arm/mach-s3c2440/mach-anubis.c b/arch/arm/mach-s3c2440/mach-anubis.c index 68f3870991b..c3705b99d15 100644 --- a/arch/arm/mach-s3c2440/mach-anubis.c +++ b/arch/arm/mach-s3c2440/mach-anubis.c @@ -1,6 +1,6 @@ /* linux/arch/arm/mach-s3c2440/mach-anubis.c * - * Copyright (c) 2003-2005,2008 Simtec Electronics + * Copyright 2003-2009 Simtec Electronics * http://armlinux.simtec.co.uk/ * Ben Dooks <ben@simtec.co.uk> * @@ -53,8 +53,9 @@ #include <plat/clock.h> #include <plat/devs.h> #include <plat/cpu.h> +#include <plat/audio-simtec.h> -#define COPYRIGHT ", (c) 2005 Simtec Electronics" +#define COPYRIGHT ", Copyright 2005-2009 Simtec Electronics" static struct map_desc anubis_iodesc[] __initdata = { /* ISA IO areas */ @@ -437,6 +438,17 @@ static struct i2c_board_info anubis_i2c_devs[] __initdata = { } }; +/* Audio setup */ +static struct s3c24xx_audio_simtec_pdata __initdata anubis_audio = { + .have_mic = 1, + .have_lout = 1, + .output_cdclk = 1, + .use_mpllin = 1, + .amp_gpio = S3C2410_GPB(2), + .amp_gain[0] = S3C2410_GPD(10), + .amp_gain[1] = S3C2410_GPD(11), +}; + static void __init anubis_map_io(void) { /* initialise the clocks */ @@ -476,6 +488,7 @@ static void __init anubis_map_io(void) static void __init anubis_init(void) { s3c_i2c0_set_platdata(NULL); + simtec_audio_add(NULL, false, &anubis_audio); platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices)); i2c_register_board_info(0, anubis_i2c_devs, diff --git a/arch/arm/mach-s3c2440/mach-osiris-dvs.c b/arch/arm/mach-s3c2440/mach-osiris-dvs.c new file mode 100644 index 00000000000..ad2792dfbee --- /dev/null +++ b/arch/arm/mach-s3c2440/mach-osiris-dvs.c @@ -0,0 +1,194 @@ +/* linux/arch/arm/mach-s3c2440/mach-osiris-dvs.c + * + * Copyright (c) 2009 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * Simtec Osiris Dynamic Voltage Scaling support. + * + * 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/module.h> +#include <linux/platform_device.h> +#include <linux/cpufreq.h> +#include <linux/gpio.h> + +#include <linux/i2c/tps65010.h> + +#include <plat/cpu-freq.h> + +#define OSIRIS_GPIO_DVS S3C2410_GPB(5) + +static bool dvs_en; + +static void osiris_dvs_tps_setdvs(bool on) +{ + unsigned vregs1 = 0, vdcdc2 = 0; + + if (!on) { + vdcdc2 = TPS_VCORE_DISCH | TPS_LP_COREOFF; + vregs1 = TPS_LDO1_OFF; /* turn off in low-power mode */ + } + + dvs_en = on; + vdcdc2 |= TPS_VCORE_1_3V | TPS_VCORE_LP_1_0V; + vregs1 |= TPS_LDO2_ENABLE | TPS_LDO1_ENABLE; + + tps65010_config_vregs1(vregs1); + tps65010_config_vdcdc2(vdcdc2); +} + +static bool is_dvs(struct s3c_freq *f) +{ + /* at the moment, we assume ARMCLK = HCLK => DVS */ + return f->armclk == f->hclk; +} + +/* keep track of current state */ +static bool cur_dvs = false; + +static int osiris_dvs_notify(struct notifier_block *nb, + unsigned long val, void *data) +{ + struct cpufreq_freqs *cf = data; + struct s3c_cpufreq_freqs *freqs = to_s3c_cpufreq(cf); + bool old_dvs = is_dvs(&freqs->old); + bool new_dvs = is_dvs(&freqs->new); + int ret = 0; + + if (!dvs_en) + return 0; + + printk(KERN_DEBUG "%s: old %ld,%ld new %ld,%ld\n", __func__, + freqs->old.armclk, freqs->old.hclk, + freqs->new.armclk, freqs->new.hclk); + + switch (val) { + case CPUFREQ_PRECHANGE: + if (old_dvs & !new_dvs || + cur_dvs & !new_dvs) { + pr_debug("%s: exiting dvs\n", __func__); + cur_dvs = false; + gpio_set_value(OSIRIS_GPIO_DVS, 1); + } + break; + case CPUFREQ_POSTCHANGE: + if (!old_dvs & new_dvs || + !cur_dvs & new_dvs) { + pr_debug("entering dvs\n"); + cur_dvs = true; + gpio_set_value(OSIRIS_GPIO_DVS, 0); + } + break; + } + + return ret; +} + +static struct notifier_block osiris_dvs_nb = { + .notifier_call = osiris_dvs_notify, +}; + +static int __devinit osiris_dvs_probe(struct platform_device *pdev) +{ + int ret; + + dev_info(&pdev->dev, "initialising\n"); + + ret = gpio_request(OSIRIS_GPIO_DVS, "osiris-dvs"); + if (ret) { + dev_err(&pdev->dev, "cannot claim gpio\n"); + goto err_nogpio; + } + + /* start with dvs disabled */ + gpio_direction_output(OSIRIS_GPIO_DVS, 1); + + ret = cpufreq_register_notifier(&osiris_dvs_nb, + CPUFREQ_TRANSITION_NOTIFIER); + if (ret) { + dev_err(&pdev->dev, "failed to register with cpufreq\n"); + goto err_nofreq; + } + + osiris_dvs_tps_setdvs(true); |