diff options
Diffstat (limited to 'arch/arm/imx-common/iomux-v3.c')
| -rw-r--r-- | arch/arm/imx-common/iomux-v3.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/imx-common/iomux-v3.c b/arch/arm/imx-common/iomux-v3.c index 22cd11aa04..91225ab61a 100644 --- a/arch/arm/imx-common/iomux-v3.c +++ b/arch/arm/imx-common/iomux-v3.c @@ -77,3 +77,22 @@ void imx_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t const *pad_list, p += stride; } } + +#ifdef CONFIG_IOMUX_SHARE_CONF_REG +void imx_iomux_gpio_set_direction(unsigned int gpio, + unsigned int direction) +{ + u32 reg; + /* + * Only on Vybrid the input/output buffer enable flags + * are part of the shared mux/conf register. + */ + reg = readl(base + (gpio << 2)); + if (direction) + reg |= 0x2; + else + reg &= ~0x2; + + writel(reg, (base + (gpio << 2))); +} +#endif |