diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/imx-common/iomux-v3.c | 15 | ||||
| -rw-r--r-- | arch/arm/include/asm/imx-common/iomux-v3.h | 5 |
2 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/imx-common/iomux-v3.c b/arch/arm/imx-common/iomux-v3.c index 22cd11a..e88e6e2 100644 --- a/arch/arm/imx-common/iomux-v3.c +++ b/arch/arm/imx-common/iomux-v3.c @@ -77,3 +77,18 @@ void imx_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t const *pad_list, p += stride; } } + +void imx_iomux_set_gpr_register(int group, int start_bit, + int num_bits, int value) +{ + int i = 0; + u32 reg; + reg = readl(base + group * 4); + while (num_bits) { + reg &= ~(1<<(start_bit + i)); + i++; + num_bits--; + } + reg |= (value << start_bit); + writel(reg, base + group * 4); +} diff --git a/arch/arm/include/asm/imx-common/iomux-v3.h b/arch/arm/include/asm/imx-common/iomux-v3.h index a8ca49c..e0a49be 100644 --- a/arch/arm/include/asm/imx-common/iomux-v3.h +++ b/arch/arm/include/asm/imx-common/iomux-v3.h @@ -182,6 +182,11 @@ typedef u64 iomux_v3_cfg_t; void imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad); void imx_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t const *pad_list, unsigned count); +/* +* Set bits for general purpose registers +*/ +void imx_iomux_set_gpr_register(int group, int start_bit, + int num_bits, int value); /* macros for declaring and using pinmux array */ #if defined(CONFIG_MX6QDL) |