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davinci: DA8XX/OMAP-L1XX: add support for cpuidle driver register

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This patch provides a function to help register cpuidle driver
on da8xx/omap-l1xx platforms.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This commit is contained in:
Sekhar Nori 2009-10-22 15:12:14 +05:30 committed by Kevin Hilman
parent a6c0f6eca1
commit 1960e693ac
2 changed files with 32 additions and 0 deletions
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30
arch/arm/mach-davinci/devices-da8xx.c
View File

@ -19,6 +19,7 @@
#include <mach/common.h>
#include <mach/time.h>
#include <mach/da8xx.h>
#include <mach/cpuidle.h>
#include "clock.h"
@ -486,3 +487,32 @@ int da8xx_register_rtc(void)
return platform_device_register(&da8xx_rtc_device);
}
static struct resource da8xx_cpuidle_resources[] = {
{
.start = DA8XX_DDR2_CTL_BASE,
.end = DA8XX_DDR2_CTL_BASE + SZ_32K - 1,
.flags = IORESOURCE_MEM,
},
};
/* DA8XX devices support DDR2 power down */
static struct davinci_cpuidle_config da8xx_cpuidle_pdata = {
.ddr2_pdown = 1,
};
static struct platform_device da8xx_cpuidle_device = {
.name = "cpuidle-davinci",
.num_resources = ARRAY_SIZE(da8xx_cpuidle_resources),
.resource = da8xx_cpuidle_resources,
.dev = {
.platform_data = &da8xx_cpuidle_pdata,
},
};
int __init da8xx_register_cpuidle(void)
{
return platform_device_register(&da8xx_cpuidle_device);
}

2
arch/arm/mach-davinci/include/mach/da8xx.h
View File

@ -52,6 +52,7 @@ extern void __iomem *da8xx_syscfg_base;
#define DA8XX_AEMIF_CS2_BASE 0x60000000
#define DA8XX_AEMIF_CS3_BASE 0x62000000
#define DA8XX_AEMIF_CTL_BASE 0x68000000
#define DA8XX_DDR2_CTL_BASE 0xb0000000
#define PINMUX0 0x00
#define PINMUX1 0x04
@ -88,6 +89,7 @@ int da8xx_register_mmcsd0(struct davinci_mmc_config *config);
void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata);
int da8xx_register_rtc(void);
int da850_register_cpufreq(void);
int da8xx_register_cpuidle(void);
extern struct platform_device da8xx_serial_device;
extern struct emac_platform_data da8xx_emac_pdata;