From 5bf497e3fdba14cb39f8752ae7646d77dc49d519 Mon Sep 17 00:00:00 2001
From: Tim Harvey <tharvey@gateworks.com>
Date: Mon, 2 Jun 2014 16:13:24 -0700
Subject: imx: iomux: add macros to setup iomux for multiple SoC types

Allow imx_iomux_v3_setup_multiple_pads to take a multi-cpu pad_list
and add macros for declaring the pad_list that take into account the
SoC types supported using CONFIG_MX6QDL (supports both the MX6Q and MX6DL
iomux).

Cc: Stefan Roese <sr@denx.de>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Andy Ng <andreas2025@gmail.com>
Cc: Eric Nelson <eric.nelson@boundarydevices.com>
Cc: Tapani Utriainen <tapani@technexion.com>
Cc: Tom Rini <trini@ti.com>

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
---
 arch/arm/imx-common/iomux-v3.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

(limited to 'arch/arm/imx-common')

diff --git a/arch/arm/imx-common/iomux-v3.c b/arch/arm/imx-common/iomux-v3.c
index 6e46ea8..306183a 100644
--- a/arch/arm/imx-common/iomux-v3.c
+++ b/arch/arm/imx-common/iomux-v3.c
@@ -11,6 +11,7 @@
 #include <common.h>
 #include <asm/io.h>
 #include <asm/arch/imx-regs.h>
+#include <asm/arch/sys_proto.h>
 #include <asm/imx-common/iomux-v3.h>
 
 static void *base = (void *)IOMUXC_BASE_ADDR;
@@ -54,12 +55,23 @@ void imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad)
 #endif
 }
 
+/* configures a list of pads within declared with IOMUX_PADS macro */
 void imx_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t const *pad_list,
 				      unsigned count)
 {
 	iomux_v3_cfg_t const *p = pad_list;
+	int stride;
 	int i;
 
-	for (i = 0; i < count; i++)
-		imx_iomux_v3_setup_pad(*p++);
+#if defined(CONFIG_MX6QDL)
+	stride = 2;
+	if (!is_cpu_type(MXC_CPU_MX6Q) && !is_cpu_type(MXC_CPU_MX6D))
+		p += 1;
+#else
+	stride = 1;
+#endif
+	for (i = 0; i < count; i++) {
+		imx_iomux_v3_setup_pad(*p);
+		p += stride;
+	}
 }
-- 
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