From 107d6954a62dce2cfd3fd7a2d5b3b6c3a3a32148 Mon Sep 17 00:00:00 2001 From: Andrey Smirnov Date: Tue, 10 Jan 2017 07:09:05 -0800 Subject: i.MX: iomuxv3: Add low-level pad configuration routine Add low-level pad configuration routine that can be used by early boot code as well as leveraged by pinmux driver. Signed-off-by: Andrey Smirnov Signed-off-by: Sascha Hauer --- arch/arm/mach-imx/include/mach/iomux-v3.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'arch') diff --git a/arch/arm/mach-imx/include/mach/iomux-v3.h b/arch/arm/mach-imx/include/mach/iomux-v3.h index 1ecd11befb..f877aad89b 100644 --- a/arch/arm/mach-imx/include/mach/iomux-v3.h +++ b/arch/arm/mach-imx/include/mach/iomux-v3.h @@ -139,6 +139,23 @@ static inline void iomux_v3_setup_pad(void __iomem *iomux, unsigned int flags, writel(input_val, iomux + input_reg); } +static inline void imx_setup_pad(void __iomem *iomux, iomux_v3_cfg_t pad) +{ + uint32_t pad_ctrl; + + pad_ctrl = IOMUX_PAD_CTRL(pad); + pad_ctrl = (pad_ctrl & NO_PAD_CTRL) ? 0 : pad_ctrl, + + iomux_v3_setup_pad(iomux, 0, + IOMUX_CTRL_OFS(pad), + IOMUX_PAD_CTRL_OFS(pad), + IOMUX_SEL_INPUT_OFS(pad), + IOMUX_MODE(pad), + pad_ctrl, + IOMUX_SEL_INPUT(pad)); +} + + /* * setups a single pad in the iomuxer -- cgit v1.2.3