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>

3 files changed, 58 insertions, 0 deletions

diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c
index 84f0f1efea4b..caeea7551582 100644
--- a/arch/arm/mach-mx25/clock.c
+++ b/arch/arm/mach-mx25/clock.c
@@ -109,6 +109,16 @@ static unsigned long get_rate_uart(struct clk *clk)
         return get_rate_per(15);
 }
 
+static unsigned long get_rate_ssi2(struct clk *clk)
+{
+        return get_rate_per(14);
+}
+
+static unsigned long get_rate_ssi1(struct clk *clk)
+{
+        return get_rate_per(13);
+}
+
 static unsigned long get_rate_i2c(struct clk *clk)
 {
         return get_rate_per(6);
@@ -171,6 +181,8 @@ static void clk_cgcr_disable(struct clk *clk)
 
 DEFINE_CLOCK(gpt_clk,    0, CCM_CGCR0,  5, get_rate_gpt, NULL, NULL);
 DEFINE_CLOCK(uart_per_clk, 0, CCM_CGCR0, 15, get_rate_uart, NULL, NULL);
+DEFINE_CLOCK(ssi1_per_clk, 0, CCM_CGCR0, 13, get_rate_ipg, NULL, NULL);
+DEFINE_CLOCK(ssi2_per_clk, 0, CCM_CGCR0, 14, get_rate_ipg, NULL, NULL);
 DEFINE_CLOCK(cspi1_clk,  0, CCM_CGCR1,  5, get_rate_ipg, NULL, NULL);
 DEFINE_CLOCK(cspi2_clk,  0, CCM_CGCR1,  6, get_rate_ipg, NULL, NULL);
 DEFINE_CLOCK(cspi3_clk,  0, CCM_CGCR1,  7, get_rate_ipg, NULL, NULL);
@@ -194,6 +206,9 @@ DEFINE_CLOCK(i2c_clk,	 0, CCM_CGCR0,  6, get_rate_i2c, NULL, NULL);
 DEFINE_CLOCK(fec_clk,    0, CCM_CGCR1, 15, get_rate_ipg, NULL, &fec_ahb_clk);
 DEFINE_CLOCK(dryice_clk, 0, CCM_CGCR1,  8, get_rate_ipg, NULL, NULL);
 DEFINE_CLOCK(lcdc_clk,   0, CCM_CGCR1, 29, get_rate_lcdc, NULL, &lcdc_per_clk);
+DEFINE_CLOCK(ssi1_clk,  0, CCM_CGCR2, 11, get_rate_ssi1, NULL, &ssi1_per_clk);
+DEFINE_CLOCK(ssi2_clk,  1, CCM_CGCR2, 12, get_rate_ssi2, NULL, &ssi2_per_clk);
+DEFINE_CLOCK(audmux_clk, 0, CCM_CGCR1, 0, NULL, NULL, NULL);
 
 #define _REGISTER_CLOCK(d, n, c)        \
         {                               \
@@ -228,6 +243,9 @@ static struct clk_lookup lookups[] = {
         _REGISTER_CLOCK("fec.0", NULL, fec_clk)
         _REGISTER_CLOCK("imxdi_rtc.0", NULL, dryice_clk)
         _REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk)
+        _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk)
+        _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
+        _REGISTER_CLOCK(NULL, "audmux", audmux_clk)
 };
 
 int __init mx25_clocks_init(void)
diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c
index d9766d4d5046..baf0a7913644 100644
--- a/arch/arm/mach-mx25/devices.c
+++ b/arch/arm/mach-mx25/devices.c
@@ -533,3 +533,41 @@ struct platform_device mx25_kpp_device = {
         .num_resources  = ARRAY_SIZE(mx25_kpp_resources),
         .resource       = mx25_kpp_resources,
 };
+
+static struct resource imx_ssi_resources0[] = {
+        {
+                .start  = MX25_SSI1_BASE_ADDR,
+                .end    = MX25_SSI1_BASE_ADDR + 0x3fff,
+                .flags  = IORESOURCE_MEM,
+        }, {
+                .start  = MX25_INT_SSI1,
+                .end    = MX25_INT_SSI1,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource imx_ssi_resources1[] = {
+        {
+                .start  = MX25_SSI2_BASE_ADDR,
+                .end    = MX25_SSI2_BASE_ADDR + 0x3fff,
+                .flags  = IORESOURCE_MEM
+        }, {
+                .start  = MX25_INT_SSI2,
+                .end    = MX25_INT_SSI2,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device imx_ssi_device0 = {
+        .name = "imx-ssi",
+        .id = 0,
+        .num_resources = ARRAY_SIZE(imx_ssi_resources0),
+        .resource = imx_ssi_resources0,
+};
+
+struct platform_device imx_ssi_device1 = {
+        .name = "imx-ssi",
+        .id = 1,
+        .num_resources = ARRAY_SIZE(imx_ssi_resources1),
+        .resource = imx_ssi_resources1,
+};
diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h
index 8247fd451118..290843bdddf3 100644
--- a/arch/arm/mach-mx25/devices.h
+++ b/arch/arm/mach-mx25/devices.h
@@ -23,3 +23,5 @@ extern struct platform_device mx25_rtc_device;
 extern struct platform_device mx25_fb_device;
 extern struct platform_device mxc_wdt;
 extern struct platform_device mx25_kpp_device;
+extern struct platform_device imx_ssi_device0;
+extern struct platform_device imx_ssi_device1;