diff options
Diffstat (limited to 'arch/arm/mach-mx28/pinctrl.c')
| -rw-r--r-- | arch/arm/mach-mx28/pinctrl.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/mach-mx28/pinctrl.c b/arch/arm/mach-mx28/pinctrl.c index 32c6e1f6177f..296f4036395d 100644 --- a/arch/arm/mach-mx28/pinctrl.c +++ b/arch/arm/mach-mx28/pinctrl.c @@ -96,6 +96,19 @@ static void mx28_set_type(struct pin_bank *bank, __raw_writel(cfg << id, addr + SET_REGISTER); } +static int mx28_get_type(struct pin_bank *bank, + unsigned int id) +{ + void __iomem *addr; + int ret; + addr = PINCTRL_BASE_ADDR + HW_PINCTRL_MUXSEL0; + addr += 0x20 * bank->id + 0x10 * (id >> 4); + id &= 0xF; + id *= 2; + ret = (__raw_readl(addr) >> id) & 0x3; + return ret; +} + static struct pin_bank mx28_pin_banks[6] = { [0] = { .id = 0, @@ -132,6 +145,7 @@ static struct pinctrl_chip mx28_pinctrl = { .set_voltage = mx28_set_voltage, .set_pullup = mx28_set_pullup, .set_type = mx28_set_type, + .get_type = mx28_get_type, }; int __init mx28_pinctrl_init(void) |