On Thu, May 13, 2010 at 08:13:21PM +0900, Kukjin Kim wrote: > From: Pannaga Bhushan <p.bhushan@xxxxxxxxxxx> > > Adds GPIOlib support for S5PV210. > > Signed-off-by: Pannaga Bhushan <p.bhushan@xxxxxxxxxxx> > Signed-off-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx> ok, applied to for-2635/s5p-general > --- > arch/arm/mach-s5pv210/Makefile | 2 +- > arch/arm/mach-s5pv210/gpiolib.c | 257 +++++++++++++++++++++++++++++ > arch/arm/mach-s5pv210/include/mach/gpio.h | 18 ++- > 3 files changed, 273 insertions(+), 4 deletions(-) > create mode 100644 arch/arm/mach-s5pv210/gpiolib.c > > diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile > index 8ebf51c..0acbdb3 100644 > --- a/arch/arm/mach-s5pv210/Makefile > +++ b/arch/arm/mach-s5pv210/Makefile > @@ -12,7 +12,7 @@ obj- := > > # Core support for S5PV210 system > > -obj-$(CONFIG_CPU_S5PV210) += cpu.o init.o clock.o > +obj-$(CONFIG_CPU_S5PV210) += cpu.o init.o clock.o gpiolib.o > > # machine support > > diff --git a/arch/arm/mach-s5pv210/gpiolib.c b/arch/arm/mach-s5pv210/gpiolib.c > new file mode 100644 > index 0000000..99dad92 > --- /dev/null > +++ b/arch/arm/mach-s5pv210/gpiolib.c > @@ -0,0 +1,257 @@ > +/* linux/arch/arm/mach-s5pv210/gpiolib.c > + * > + * Copyright (c) 2010 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * S5PV210 - GPIOlib 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/irq.h> > +#include <linux/io.h> > +#include <linux/gpio.h> > +#include <plat/gpio-core.h> > +#include <plat/gpio-cfg.h> > +#include <plat/gpio-cfg-helpers.h> > +#include <mach/map.h> > + > +static struct s3c_gpio_cfg gpio_cfg = { > + .set_config = s3c_gpio_setcfg_s3c64xx_4bit, > + .set_pull = s3c_gpio_setpull_updown, > + .get_pull = s3c_gpio_getpull_updown, > +}; > + > +static struct s3c_gpio_cfg gpio_cfg_noint = { > + .set_config = s3c_gpio_setcfg_s3c64xx_4bit, > + .set_pull = s3c_gpio_setpull_updown, > + .get_pull = s3c_gpio_getpull_updown, > +}; > + > +/* GPIO bank's base address given the index of the bank in the > + * list of all gpio banks. > + */ > +#define S5PV210_BANK_BASE(bank_nr) (S5P_VA_GPIO + ((bank_nr) * 0x20)) > + > +/* > + * Following are the gpio banks in v210. > + * > + * The 'config' member when left to NULL, is initialized to the default > + * structure gpio_cfg in the init function below. > + * > + * The 'base' member is also initialized in the init function below. > + * Note: The initialization of 'base' member of s3c_gpio_chip structure > + * uses the above macro and depends on the banks being listed in order here. > + */ > +static struct s3c_gpio_chip s5pv210_gpio_4bit[] = { > + { > + .chip = { > + .base = S5PV210_GPA0(0), > + .ngpio = S5PV210_GPIO_A0_NR, > + .label = "GPA0", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPA1(0), > + .ngpio = S5PV210_GPIO_A1_NR, > + .label = "GPA1", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPB(0), > + .ngpio = S5PV210_GPIO_B_NR, > + .label = "GPB", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPC0(0), > + .ngpio = S5PV210_GPIO_C0_NR, > + .label = "GPC0", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPC1(0), > + .ngpio = S5PV210_GPIO_C1_NR, > + .label = "GPC1", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPD0(0), > + .ngpio = S5PV210_GPIO_D0_NR, > + .label = "GPD0", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPD1(0), > + .ngpio = S5PV210_GPIO_D1_NR, > + .label = "GPD1", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPE0(0), > + .ngpio = S5PV210_GPIO_E0_NR, > + .label = "GPE0", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPE1(0), > + .ngpio = S5PV210_GPIO_E1_NR, > + .label = "GPE1", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPF0(0), > + .ngpio = S5PV210_GPIO_F0_NR, > + .label = "GPF0", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPF1(0), > + .ngpio = S5PV210_GPIO_F1_NR, > + .label = "GPF1", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPF2(0), > + .ngpio = S5PV210_GPIO_F2_NR, > + .label = "GPF2", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPF3(0), > + .ngpio = S5PV210_GPIO_F3_NR, > + .label = "GPF3", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPG0(0), > + .ngpio = S5PV210_GPIO_G0_NR, > + .label = "GPG0", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPG1(0), > + .ngpio = S5PV210_GPIO_G1_NR, > + .label = "GPG1", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPG2(0), > + .ngpio = S5PV210_GPIO_G2_NR, > + .label = "GPG2", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPG3(0), > + .ngpio = S5PV210_GPIO_G3_NR, > + .label = "GPG3", > + }, > + }, { > + .config = &gpio_cfg_noint, > + .chip = { > + .base = S5PV210_GPH0(0), > + .ngpio = S5PV210_GPIO_H0_NR, > + .label = "GPH0", > + }, > + }, { > + .config = &gpio_cfg_noint, > + .chip = { > + .base = S5PV210_GPH1(0), > + .ngpio = S5PV210_GPIO_H1_NR, > + .label = "GPH1", > + }, > + }, { > + .config = &gpio_cfg_noint, > + .chip = { > + .base = S5PV210_GPH2(0), > + .ngpio = S5PV210_GPIO_H2_NR, > + .label = "GPH2", > + }, > + }, { > + .config = &gpio_cfg_noint, > + .chip = { > + .base = S5PV210_GPH3(0), > + .ngpio = S5PV210_GPIO_H3_NR, > + .label = "GPH3", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPI(0), > + .ngpio = S5PV210_GPIO_I_NR, > + .label = "GPI", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPJ0(0), > + .ngpio = S5PV210_GPIO_J0_NR, > + .label = "GPJ0", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPJ1(0), > + .ngpio = S5PV210_GPIO_J1_NR, > + .label = "GPJ1", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPJ2(0), > + .ngpio = S5PV210_GPIO_J2_NR, > + .label = "GPJ2", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPJ3(0), > + .ngpio = S5PV210_GPIO_J3_NR, > + .label = "GPJ3", > + }, > + }, { > + .chip = { > + .base = S5PV210_GPJ4(0), > + .ngpio = S5PV210_GPIO_J4_NR, > + .label = "GPJ4", > + }, > + }, { > + .config = &gpio_cfg_noint, > + .chip = { > + .base = S5PV210_MP01(0), > + .ngpio = S5PV210_GPIO_MP01_NR, > + .label = "MP01", > + }, > + }, { > + .config = &gpio_cfg_noint, > + .chip = { > + .base = S5PV210_MP02(0), > + .ngpio = S5PV210_GPIO_MP02_NR, > + .label = "MP02", > + }, > + }, { > + .config = &gpio_cfg_noint, > + .chip = { > + .base = S5PV210_MP03(0), > + .ngpio = S5PV210_GPIO_MP03_NR, > + .label = "MP03", > + }, > + }, > +}; > + > +static __init int s5pv210_gpiolib_init(void) > +{ > + struct s3c_gpio_chip *chip = s5pv210_gpio_4bit; > + int nr_chips = ARRAY_SIZE(s5pv210_gpio_4bit); > + int i = 0; > + > + for (i = 0; i < nr_chips; i++, chip++) { > + if (chip->config == NULL) > + chip->config = &gpio_cfg; > + if (chip->base == NULL) > + chip->base = S5PV210_BANK_BASE(i); > + } > + > + samsung_gpiolib_add_4bit_chips(s5pv210_gpio_4bit, nr_chips); > + > + return 0; > +} > +core_initcall(s5pv210_gpiolib_init); > diff --git a/arch/arm/mach-s5pv210/include/mach/gpio.h b/arch/arm/mach-s5pv210/include/mach/gpio.h > index 533b020..4dd417c 100644 > --- a/arch/arm/mach-s5pv210/include/mach/gpio.h > +++ b/arch/arm/mach-s5pv210/include/mach/gpio.h > @@ -18,6 +18,8 @@ > #define gpio_cansleep __gpio_cansleep > #define gpio_to_irq __gpio_to_irq > > +/* Practically, GPIO banks upto MP03 are the configurable gpio banks */ > + > /* GPIO bank sizes */ > #define S5PV210_GPIO_A0_NR (8) > #define S5PV210_GPIO_A1_NR (4) > @@ -47,6 +49,10 @@ > #define S5PV210_GPIO_J3_NR (8) > #define S5PV210_GPIO_J4_NR (5) > > +#define S5PV210_GPIO_MP01_NR (8) > +#define S5PV210_GPIO_MP02_NR (4) > +#define S5PV210_GPIO_MP03_NR (8) > + > /* GPIO bank numbers */ > > /* CONFIG_S3C_GPIO_SPACE allows the user to select extra > @@ -85,6 +91,9 @@ enum s5p_gpio_number { > S5PV210_GPIO_J2_START = S5PV210_GPIO_NEXT(S5PV210_GPIO_J1), > S5PV210_GPIO_J3_START = S5PV210_GPIO_NEXT(S5PV210_GPIO_J2), > S5PV210_GPIO_J4_START = S5PV210_GPIO_NEXT(S5PV210_GPIO_J3), > + S5PV210_GPIO_MP01_START = S5PV210_GPIO_NEXT(S5PV210_GPIO_J4), > + S5PV210_GPIO_MP02_START = S5PV210_GPIO_NEXT(S5PV210_GPIO_MP01), > + S5PV210_GPIO_MP03_START = S5PV210_GPIO_NEXT(S5PV210_GPIO_MP02), > }; > > /* S5PV210 GPIO number definitions */ > @@ -115,13 +124,16 @@ enum s5p_gpio_number { > #define S5PV210_GPJ2(_nr) (S5PV210_GPIO_J2_START + (_nr)) > #define S5PV210_GPJ3(_nr) (S5PV210_GPIO_J3_START + (_nr)) > #define S5PV210_GPJ4(_nr) (S5PV210_GPIO_J4_START + (_nr)) > +#define S5PV210_MP01(_nr) (S5PV210_GPIO_MP01_START + (_nr)) > +#define S5PV210_MP02(_nr) (S5PV210_GPIO_MP02_START + (_nr)) > +#define S5PV210_MP03(_nr) (S5PV210_GPIO_MP03_START + (_nr)) > > /* the end of the S5PV210 specific gpios */ > -#define S5PV210_GPIO_END (S5PV210_GPJ4(S5PV210_GPIO_J4_NR) + 1) > +#define S5PV210_GPIO_END (S5PV210_MP03(S5PV210_GPIO_MP03_NR) + 1) > #define S3C_GPIO_END S5PV210_GPIO_END > > -/* define the number of gpios we need to the one after the GPJ4() range */ > -#define ARCH_NR_GPIOS (S5PV210_GPJ4(S5PV210_GPIO_J4_NR) + \ > +/* define the number of gpios we need to the one after the MP03() range */ > +#define ARCH_NR_GPIOS (S5PV210_MP03(S5PV210_GPIO_MP03_NR) + \ > CONFIG_SAMSUNG_GPIO_EXTRA + 1) > > #include <asm-generic/gpio.h> > -- > 1.6.2.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- -- Ben Q: What's a light-year? A: One-third less calories than a regular year. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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