i.MX25: add AUDMUX and SSI support

* add clocks for audmux and ssi 1 & 2
* add irq for ssi 1 & 2
* add devices platform for ssi1 & 2
* update audmux-v2 for i.MX25
* add base addresses for audmux & ssi 1 & 2
* add iomux configuration for GPIO for AUD5 port

Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig
index 7f7ad6f..902ba9e 100644
--- a/arch/arm/plat-mxc/Kconfig
+++ b/arch/arm/plat-mxc/Kconfig
@@ -25,6 +25,7 @@
 	select CPU_ARM926T
 	select ARCH_MXC_IOMUX_V3
 	select HAVE_FB_IMX
+	select ARCH_MXC_AUDMUX_V2
 	help
 	  This enables support for systems based on the Freescale i.MX25 family
 
diff --git a/arch/arm/plat-mxc/audmux-v2.c b/arch/arm/plat-mxc/audmux-v2.c
index 0c2cc5c..ab94d78 100644
--- a/arch/arm/plat-mxc/audmux-v2.c
+++ b/arch/arm/plat-mxc/audmux-v2.c
@@ -191,6 +191,7 @@
 {
 	int ret;
 
+#if defined(CONFIG_ARCH_MX3)
 	if (cpu_is_mx31())
 		audmux_base = MX31_IO_ADDRESS(MX31_AUDMUX_BASE_ADDR);
 
@@ -204,7 +205,19 @@
 		}
 		audmux_base = MX35_IO_ADDRESS(MX35_AUDMUX_BASE_ADDR);
 	}
-
+#endif
+#if defined(CONFIG_ARCH_MX25)
+	if (cpu_is_mx25()) {
+		audmux_clk = clk_get(NULL, "audmux");
+		if (IS_ERR(audmux_clk)) {
+			ret = PTR_ERR(audmux_clk);
+			printk(KERN_ERR "%s: cannot get clock: %d\n", __func__,
+					ret);
+			return ret;
+		}
+		audmux_base = MX25_IO_ADDRESS(MX25_AUDMUX_BASE_ADDR);
+	}
+#endif
 	audmux_debugfs_init();
 
 	return 0;
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx25.h b/arch/arm/plat-mxc/include/mach/iomux-mx25.h
index e88d01a..1c8317e 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx25.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx25.h
@@ -389,15 +389,19 @@
 #define MX25_PAD_KPP_ROW3__GPIO_3_0	IOMUX_PAD(0x3ac, 0x1b4, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_KPP_COL0__KPP_COL0	IOMUX_PAD(0x3b0, 0x1b8, 0x10, 0, 0, KPP_CTL_COL)
+#define MX25_PAD_KPP_COL0__AUD5_TXD	IOMUX_PAD(0x3b0, 0x1b8, 0x12, 0, 0, PAD_CTL_PKE | PAD_CTL_PUS_100K_UP)
 #define MX25_PAD_KPP_COL0__GPIO_3_1	IOMUX_PAD(0x3b0, 0x1b8, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_KPP_COL1__KPP_COL1	IOMUX_PAD(0x3b4, 0x1bc, 0x10, 0, 0, KPP_CTL_COL)
+#define MX25_PAD_KPP_COL1__AUD5_RXD	IOMUX_PAD(0x3b4, 0x1bc, 0x12, 0, 0, PAD_CTL_PKE | PAD_CTL_PUS_100K_UP)
 #define MX25_PAD_KPP_COL1__GPIO_3_2	IOMUX_PAD(0x3b4, 0x1bc, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_KPP_COL2__KPP_COL2	IOMUX_PAD(0x3b8, 0x1c0, 0x10, 0, 0, KPP_CTL_COL)
+#define MX25_PAD_KPP_COL2__AUD5_TXC	IOMUX_PAD(0x3b8, 0x1c0, 0x12, 0, 0, PAD_CTL_PKE | PAD_CTL_PUS_100K_UP)
 #define MX25_PAD_KPP_COL2__GPIO_3_3	IOMUX_PAD(0x3b8, 0x1c0, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_KPP_COL3__KPP_COL3	IOMUX_PAD(0x3bc, 0x1c4, 0x10, 0, 0, KPP_CTL_COL)
+#define MX25_PAD_KPP_COL3__AUD5_TXFS	IOMUX_PAD(0x3bc, 0x1c4, 0x12, 0, 0, PAD_CTL_PKE | PAD_CTL_PUS_100K_UP)
 #define MX25_PAD_KPP_COL3__GPIO_3_4	IOMUX_PAD(0x3bc, 0x1c4, 0x15, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_FEC_MDC__FEC_MDC	IOMUX_PAD(0x3c0, 0x1c8, 0x10, 0, 0, NO_PAD_CTRL)
diff --git a/arch/arm/plat-mxc/include/mach/mx25.h b/arch/arm/plat-mxc/include/mach/mx25.h
index f064ec8..a1ba9d7 100644
--- a/arch/arm/plat-mxc/include/mach/mx25.h
+++ b/arch/arm/plat-mxc/include/mach/mx25.h
@@ -29,19 +29,24 @@
 
 #define MX25_UART1_BASE_ADDR		0x43f90000
 #define MX25_UART2_BASE_ADDR		0x43f94000
+#define MX25_AUDMUX_BASE_ADDR		0x43fb0000
 
 #define MX25_FEC_BASE_ADDR		0x50038000
+#define MX25_SSI2_BASE_ADDR		0x50014000
+#define MX25_SSI1_BASE_ADDR		0x50034000
 #define MX25_NFC_BASE_ADDR		0xbb000000
 #define MX25_DRYICE_BASE_ADDR		0x53ffc000
 #define MX25_LCDC_BASE_ADDR		0x53fbc000
 #define MX25_KPP_BASE_ADDR		0x43fa8000
 #define MX25_OTG_BASE_ADDR		0x53ff4000
 
+#define MX25_INT_SSI2	11
+#define MX25_INT_SSI1	12
 #define MX25_INT_DRYICE	25
-#define MX25_INT_FEC	57
 #define MX25_INT_NANDFC	33
 #define MX25_INT_LCDC	39
 #define MX25_INT_KPP	24
+#define MX25_INT_FEC	57
 
 #if defined(IMX_NEEDS_DEPRECATED_SYMBOLS)
 #define UART1_BASE_ADDR			MX25_UART1_BASE_ADDR