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 <andrew.smirnov@xxxxxxxxx>
---
arch/arm/mach-imx/include/mach/iomux-v3.h | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/arch/arm/mach-imx/include/mach/iomux-v3.h b/arch/arm/mach-imx/include/mach/iomux-v3.h
index 1ecd11b..f877aad 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
--
2.9.3
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