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Diffstat (limited to 'arch/arm/imx-common/iomux-v3.c')
-rw-r--r--arch/arm/imx-common/iomux-v3.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/arch/arm/imx-common/iomux-v3.c b/arch/arm/imx-common/iomux-v3.c
index e88e6e2..50877d5 100644
--- a/arch/arm/imx-common/iomux-v3.c
+++ b/arch/arm/imx-common/iomux-v3.c
@@ -4,7 +4,7 @@
* Copyright (C) 2009 by Jan Weitzel Phytec Messtechnik GmbH,
* <armlinux@phytec.de>
*
- * Copyright (C) 2004-2011 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2015 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
@@ -41,8 +41,16 @@ void imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad)
}
#endif
- if (mux_ctrl_ofs)
- __raw_writel(mux_mode, base + mux_ctrl_ofs);
+#ifdef CONFIG_IOMUX_LPSR
+ u32 lpsr = (pad & MUX_MODE_LPSR) >> MUX_MODE_SHIFT;
+
+ if (lpsr == IOMUX_CONFIG_LPSR) {
+ base = (void *)IOMUXC_LPSR_BASE_ADDR;
+ mux_mode &= ~IOMUX_CONFIG_LPSR;
+ }
+#endif
+
+ __raw_writel(mux_mode, base + mux_ctrl_ofs);
if (sel_input_ofs)
__raw_writel(sel_input, base + sel_input_ofs);
@@ -55,6 +63,12 @@ void imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad)
if (!(pad_ctrl & NO_PAD_CTRL) && pad_ctrl_ofs)
__raw_writel(pad_ctrl, base + pad_ctrl_ofs);
#endif
+
+#ifdef CONFIG_IOMUX_LPSR
+ if (lpsr == IOMUX_CONFIG_LPSR)
+ base = (void *)IOMUXC_BASE_ADDR;
+#endif
+
}
/* configures a list of pads within declared with IOMUX_PADS macro */