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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>
hifive-unleashed-5.1
Baruch Siach 2010-01-27 15:00:48 +02:00 committed by Sascha Hauer
parent 4cb73288b1
commit dcbabbc1fc
4 changed files with 24 additions and 0 deletions
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2
arch/arm/mach-mx25/clock.c
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@ -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)

19
arch/arm/mach-mx25/devices.c
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@ -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,
};

1
arch/arm/mach-mx25/devices.h
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@ -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;

2
arch/arm/plat-mxc/include/mach/mx25.h
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@ -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