static __init int exynos4_gpiolib_init(void)
{
struct s3c_gpio_chip *chip;
int i;
int nr_chips;
/* GPIO common part */
chip = exynos4_gpio_common_4bit;
nr_chips = ARRAY_SIZE(exynos4_gpio_common_4bit);
for (i = 0; i < nr_chips; i++, chip++) {
if (chip->config == NULL)
chip->config = &gpio_cfg;
if (chip->base == NULL)
pr_err("No allocation of base address for [common gpio]");
}
samsung_gpiolib_add_4bit_chips(exynos4_gpio_common_4bit, nr_chips);
/* Only 4210 GPIO part */
if (soc_is_exynos4210()) {
chip = exynos4210_gpio_4bit;
nr_chips = ARRAY_SIZE(exynos4210_gpio_4bit);
for (i = 0; i < nr_chips; i++, chip++) {
if (chip->config == NULL)
chip->config = &gpio_cfg;
if (chip->base == NULL)
pr_err("No allocation of base address [4210 gpio]");
}
samsung_gpiolib_add_4bit_chips(exynos4210_gpio_4bit, nr_chips);
} else {
/* Only 4212/4412 GPIO part */
chip = exynos4212_gpio_4bit;
nr_chips = ARRAY_SIZE(exynos4212_gpio_4bit);
for (i = 0; i < nr_chips; i++, chip++) {
if (chip->config == NULL)
chip->config = &gpio_cfg;
if (chip->base == NULL)
pr_err("No allocation of base address [4212 gpio]");
}
samsung_gpiolib_add_4bit_chips(exynos4212_gpio_4bit, nr_chips);
}
s5p_register_gpioint_bank(IRQ_GPIO_XA, 0, IRQ_GPIO1_NR_GROUPS);
s5p_register_gpioint_bank(IRQ_GPIO_XB, IRQ_GPIO1_NR_GROUPS, IRQ_GPIO2_NR_GROUPS);
return 0;
}
/* TODO: cleanup soc_is_* */
static __init int samsung_gpiolib_init(void)
{
struct samsung_gpio_chip *chip;
int i, nr_chips;
int group = 0;
/*
* Currently there are two drivers that can provide GPIO support for
* Samsung SoCs. For device tree enabled platforms, the new
* pinctrl-samsung driver is used, providing both GPIO and pin control
* interfaces. For legacy (non-DT) platforms this driver is used.
*/
if (of_have_populated_dt())
return -ENODEV;
samsung_gpiolib_set_cfg(samsung_gpio_cfgs, ARRAY_SIZE(samsung_gpio_cfgs));
if (soc_is_s3c24xx()) {
s3c24xx_gpiolib_add_chips(s3c24xx_gpios,
ARRAY_SIZE(s3c24xx_gpios), S3C24XX_VA_GPIO);
} else if (soc_is_s3c64xx()) {
samsung_gpiolib_add_2bit_chips(s3c64xx_gpios_2bit,
ARRAY_SIZE(s3c64xx_gpios_2bit),
S3C64XX_VA_GPIO + 0xE0, 0x20);
samsung_gpiolib_add_4bit_chips(s3c64xx_gpios_4bit,
ARRAY_SIZE(s3c64xx_gpios_4bit),
S3C64XX_VA_GPIO);
samsung_gpiolib_add_4bit2_chips(s3c64xx_gpios_4bit2,
ARRAY_SIZE(s3c64xx_gpios_4bit2));
} else if (soc_is_s5pv210()) {
group = 0;
chip = s5pv210_gpios_4bit;
nr_chips = ARRAY_SIZE(s5pv210_gpios_4bit);
for (i = 0; i < nr_chips; i++, chip++) {
if (!chip->config) {
chip->config = &samsung_gpio_cfgs[3];
chip->group = group++;
}
}
samsung_gpiolib_add_4bit_chips(s5pv210_gpios_4bit, nr_chips, S5P_VA_GPIO);
#if defined(CONFIG_CPU_S5PV210) && defined(CONFIG_S5P_GPIO_INT)
s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR);
#endif
} else {
WARN(1, "Unknown SoC in gpio-samsung, no GPIOs added\n");
return -ENODEV;
}
return 0;
}
__init int s5pv210_gpiolib_init(void)
{
struct s3c_gpio_chip *chip = s5pv210_gpio_4bit;
int nr_chips = ARRAY_SIZE(s5pv210_gpio_4bit);
int gpioint_group = 0;
int i = 0;
for (i = 0; i < nr_chips; i++, chip++) {
if (chip->config == NULL) {
chip->config = &gpio_cfg;
chip->group = gpioint_group++;
}
if (chip->base == NULL)
chip->base = S5PV210_BANK_BASE(i);
}
samsung_gpiolib_add_4bit_chips(s5pv210_gpio_4bit, nr_chips);
s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR);
return 0;
}
static __init int exynos4_gpiolib_init(void)
{
struct s3c_gpio_chip *chip;
int i;
int group = 0;
int nr_chips;
/* GPIO part 1 */
chip = exynos4_gpio_part1_4bit;
nr_chips = ARRAY_SIZE(exynos4_gpio_part1_4bit);
for (i = 0; i < nr_chips; i++, chip++) {
if (chip->config == NULL) {
chip->config = &gpio_cfg;
/* Assign the GPIO interrupt group */
chip->group = group++;
}
if (chip->base == NULL)
chip->base = S5P_VA_GPIO1 + (i) * 0x20;
}
samsung_gpiolib_add_4bit_chips(exynos4_gpio_part1_4bit, nr_chips);
/* GPIO part 2 */
chip = exynos4_gpio_part2_4bit;
nr_chips = ARRAY_SIZE(exynos4_gpio_part2_4bit);
for (i = 0; i < nr_chips; i++, chip++) {
if (chip->config == NULL) {
chip->config = &gpio_cfg;
/* Assign the GPIO interrupt group */
chip->group = group++;
}
if (chip->base == NULL)
chip->base = S5P_VA_GPIO2 + (i) * 0x20;
}
samsung_gpiolib_add_4bit_chips(exynos4_gpio_part2_4bit, nr_chips);
/* GPIO part 3 */
chip = exynos4_gpio_part3_4bit;
nr_chips = ARRAY_SIZE(exynos4_gpio_part3_4bit);
for (i = 0; i < nr_chips; i++, chip++) {
if (chip->config == NULL) {
chip->config = &gpio_cfg;
/* Assign the GPIO interrupt group */
chip->group = group++;
}
if (chip->base == NULL)
chip->base = S5P_VA_GPIO3 + (i) * 0x20;
}
samsung_gpiolib_add_4bit_chips(exynos4_gpio_part3_4bit, nr_chips);
s5p_register_gpioint_bank(IRQ_GPIO_XA, 0, IRQ_GPIO1_NR_GROUPS);
s5p_register_gpioint_bank(IRQ_GPIO_XB, IRQ_GPIO1_NR_GROUPS, IRQ_GPIO2_NR_GROUPS);
return 0;
}
