1 // SPDX-License-Identifier: GPL-2.0+
3  * Copyright 2004-2006,2010 Freescale Semiconductor, Inc. All Rights Reserved.
14 #include <asm/arch/imx-regs.h>
23 #error "Please select CONFIG_MX23 or CONFIG_MX28"
27  * configures a single pad in the iomuxer
29 int mxs_iomux_setup_pad(iomux_cfg_t pad)  in mxs_iomux_setup_pad()  argument
37 	ofs += PAD_BANK(pad) * 0x20 + PAD_PIN(pad) / 16 * 0x10;  in mxs_iomux_setup_pad()
38 	bp = PAD_PIN(pad) % 16 * 2;  in mxs_iomux_setup_pad()
42 	reg |= PAD_MUXSEL(pad) << bp;  in mxs_iomux_setup_pad()
47 	ofs += PAD_BANK(pad) * 0x40 + PAD_PIN(pad) / 8 * 0x10;  in mxs_iomux_setup_pad()
49 	if (PAD_MA_VALID(pad)) {  in mxs_iomux_setup_pad()
50 		bp = PAD_PIN(pad) % 8 * 4;  in mxs_iomux_setup_pad()
54 		reg |= PAD_MA(pad) << bp;  in mxs_iomux_setup_pad()
58 	if (PAD_VOL_VALID(pad)) {  in mxs_iomux_setup_pad()
59 		bp = PAD_PIN(pad) % 8 * 4 + 2;  in mxs_iomux_setup_pad()
61 		if (PAD_VOL(pad))  in mxs_iomux_setup_pad()
62 			writel(1 << bp, &mxs_reg->reg_set);  in mxs_iomux_setup_pad()
64 			writel(1 << bp, &mxs_reg->reg_clr);  in mxs_iomux_setup_pad()
68 	if (PAD_PULL_VALID(pad)) {  in mxs_iomux_setup_pad()
70 		ofs += PAD_BANK(pad) * 0x10;  in mxs_iomux_setup_pad()
71 		bp = PAD_PIN(pad);  in mxs_iomux_setup_pad()
73 		if (PAD_PULL(pad))  in mxs_iomux_setup_pad()
74 			writel(1 << bp, &mxs_reg->reg_set);  in mxs_iomux_setup_pad()
76 			writel(1 << bp, &mxs_reg->reg_clr);  in mxs_iomux_setup_pad()