mx25: add support for the DryIce rtc

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c
index 6acc88bcdc403f415ff8526228e7ebca92303792..744b52a613fc725039686c85976ee4ab246ac56d 100644 (file)
--- a/arch/arm/mach-mx25/clock.c
+++ b/arch/arm/mach-mx25/clock.c
@@ -182,6 +182,7 @@ DEFINE_CLOCK(kpp_clk,        0, CCM_CGCR1, 28, get_rate_ipg, NULL, NULL);
 DEFINE_CLOCK(tsc_clk,   0, CCM_CGCR2, 13, get_rate_ipg, NULL, NULL);
 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 _REGISTER_CLOCK(d, n, c)       \
        {                               \
@@ -214,6 +215,7 @@ static struct clk_lookup lookups[] = {
        _REGISTER_CLOCK("imx-i2c.1", NULL, i2c_clk)
        _REGISTER_CLOCK("imx-i2c.2", NULL, i2c_clk)
        _REGISTER_CLOCK("fec.0", NULL, fec_clk)
+       _REGISTER_CLOCK("imxdi_rtc.0", NULL, dryice_clk)
 };
 
 int __init mx25_clocks_init(void)

diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c
index dd4069725ef5afcdcdd292354c7270be79659cb2..b0b75fc99058fc811c1db3d07b5e90c43faf09db 100644 (file)
--- a/arch/arm/mach-mx25/devices.c
+++ b/arch/arm/mach-mx25/devices.c
@@ -458,3 +458,22 @@ struct platform_device mxc_nand_device = {
        .num_resources  = ARRAY_SIZE(mxc_nand_resources),
        .resource       = mxc_nand_resources,
 };
+
+static struct resource mx25_rtc_resources[] = {
+       {
+               .start  = MX25_DRYICE_BASE_ADDR,
+               .end    = MX25_DRYICE_BASE_ADDR + 0x40,
+               .flags  = IORESOURCE_MEM,
+       },
+       {
+               .start  = MX25_INT_DRYICE,
+               .flags  = IORESOURCE_IRQ
+       },
+};
+
+struct platform_device mx25_rtc_device = {
+       .name   = "imxdi_rtc",
+       .id     = 0,
+       .num_resources  = ARRAY_SIZE(mx25_rtc_resources),
+       .resource       = mx25_rtc_resources,
+};

diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h
index 8f5530062b4355521c6d441772cde086e8cae6b6..37e6a08214470cddc34010192f2d32b559f2a738 100644 (file)
--- a/arch/arm/mach-mx25/devices.h
+++ b/arch/arm/mach-mx25/devices.h
@@ -19,3 +19,4 @@ extern struct platform_device mxc_i2c_device1;
 extern struct platform_device mxc_i2c_device2;
 extern struct platform_device mx25_fec_device;
 extern struct platform_device mxc_nand_device;
+extern struct platform_device mx25_rtc_device;

diff --git a/arch/arm/plat-mxc/include/mach/mx25.h b/arch/arm/plat-mxc/include/mach/mx25.h
index 021d208e86bc0ef1436d1b9b4cfc6c414195edd7..61052a33979c99266748e0b10612b74da35fd50b 100644 (file)
--- a/arch/arm/plat-mxc/include/mach/mx25.h
+++ b/arch/arm/plat-mxc/include/mach/mx25.h
@@ -32,7 +32,9 @@
 
 #define MX25_FEC_BASE_ADDR             0x50038000
 #define MX25_NFC_BASE_ADDR             0xbb000000
+#define MX25_DRYICE_BASE_ADDR          0x53ffc000
 
+#define MX25_INT_DRYICE        25
 #define MX25_INT_FEC   57
 #define MX25_INT_NANDFC        33