Sekhar Nori <[email protected]> writes:
> This patch provides a function to help register cpuidle driver
> on da8xx/omap-l1xx platforms.
>
> Signed-off-by: Sekhar Nori <[email protected]>
Other than pdata struct change proposed in previous patch, this
apprach looks good.
This should also be rebased on top of your cpufreq changes which
I'll be pushing today.
Kevin
>
> ---
> arch/arm/mach-davinci/devices-da8xx.c | 26 ++++++++++++++++++++++++++
> arch/arm/mach-davinci/include/mach/da8xx.h | 2 ++
> 2 files changed, 28 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-davinci/devices-da8xx.c
> b/arch/arm/mach-davinci/devices-da8xx.c
> index dd0ea08..0ba6e5c 100644
> --- a/arch/arm/mach-davinci/devices-da8xx.c
> +++ b/arch/arm/mach-davinci/devices-da8xx.c
> @@ -488,3 +488,29 @@ 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 int 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 = &ddr2_pdown,
> + },
> +};
> +int __init da8xx_register_cpuidle(void)
> +{
> + return platform_device_register(&da8xx_cpuidle_device);
> +}
> +
> diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h
> b/arch/arm/mach-davinci/include/mach/da8xx.h
> index a152261..1de7957 100644
> --- a/arch/arm/mach-davinci/include/mach/da8xx.h
> +++ b/arch/arm/mach-davinci/include/mach/da8xx.h
> @@ -49,6 +49,7 @@ 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
> @@ -82,6 +83,7 @@ int da8xx_register_lcdc(struct da8xx_lcdc_platform_data
> *pdata);
> 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 da8xx_register_cpuidle(void);
>
> extern struct platform_device da8xx_serial_device;
> extern struct emac_platform_data da8xx_emac_pdata;
> --
> 1.6.2.4
>
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