| Message ID | 1405047349-15101-5-git-send-email-d-gerlach@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Dave, On 07/10/2014 09:55 PM, Dave Gerlach wrote: > Use pdata-quirks to reset the wkup_m3 during boot. > > Signed-off-by: Dave Gerlach <d-gerlach@ti.com> > --- > arch/arm/mach-omap2/pdata-quirks.c | 12 ++++++++++++ > include/linux/platform_data/wkup_m3.h | 17 +++++++++++++++++ > 2 files changed, 29 insertions(+) > create mode 100644 include/linux/platform_data/wkup_m3.h > > diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c > index 90c88d4..8e4a541 100644 > --- a/arch/arm/mach-omap2/pdata-quirks.c > +++ b/arch/arm/mach-omap2/pdata-quirks.c > @@ -17,6 +17,7 @@ > > #include <linux/platform_data/pinctrl-single.h> > #include <linux/platform_data/iommu-omap.h> > +#include <linux/platform_data/wkup_m3.h> > > #include "am35xx.h" > #include "common.h" > @@ -255,6 +256,13 @@ static void __init nokia_n900_legacy_init(void) > } > #endif /* CONFIG_ARCH_OMAP3 */ > > +#ifdef CONFIG_SOC_AM33XX > +static struct wkup_m3_platform_data wkup_m3_data = { > + .reset_name = "wkup_m3", > + .deassert_reset = omap_device_deassert_hardreset, Probably need to add assert_reset too > +}; > +#endif > + > #ifdef CONFIG_ARCH_OMAP4 > static void __init omap4_sdp_legacy_init(void) > { > @@ -348,6 +356,10 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = { > OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0", > &am35xx_emac_pdata), > #endif > +#ifdef CONFIG_SOC_AM33XX > + OF_DEV_AUXDATA("ti,am3353-wkup-m3", 0x44d00000, "44d00000.wkup_m3", > + &wkup_m3_data), > +#endif > #ifdef CONFIG_ARCH_OMAP4 > OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata), > OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata), > diff --git a/include/linux/platform_data/wkup_m3.h b/include/linux/platform_data/wkup_m3.h > new file mode 100644 > index 0000000..07282bd > --- /dev/null > +++ b/include/linux/platform_data/wkup_m3.h > @@ -0,0 +1,17 @@ > +/* > + * omap wkup_m3: platform data > + * > + * Copyright (C) 2014 Texas Instruments, Inc. > + * > + * Dave Gerlach <d-gerlach@ti.com> > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + */ > + protect against double inclusion.. regards Suman > +struct wkup_m3_platform_data { > + const char *reset_name; > + > + int (*deassert_reset)(struct platform_device *pdev, const char *name); > +}; >
diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c index 90c88d4..8e4a541 100644 --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -17,6 +17,7 @@ #include <linux/platform_data/pinctrl-single.h> #include <linux/platform_data/iommu-omap.h> +#include <linux/platform_data/wkup_m3.h> #include "am35xx.h" #include "common.h" @@ -255,6 +256,13 @@ static void __init nokia_n900_legacy_init(void) } #endif /* CONFIG_ARCH_OMAP3 */ +#ifdef CONFIG_SOC_AM33XX +static struct wkup_m3_platform_data wkup_m3_data = { + .reset_name = "wkup_m3", + .deassert_reset = omap_device_deassert_hardreset, +}; +#endif + #ifdef CONFIG_ARCH_OMAP4 static void __init omap4_sdp_legacy_init(void) { @@ -348,6 +356,10 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0", &am35xx_emac_pdata), #endif +#ifdef CONFIG_SOC_AM33XX + OF_DEV_AUXDATA("ti,am3353-wkup-m3", 0x44d00000, "44d00000.wkup_m3", + &wkup_m3_data), +#endif #ifdef CONFIG_ARCH_OMAP4 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata), OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata), diff --git a/include/linux/platform_data/wkup_m3.h b/include/linux/platform_data/wkup_m3.h new file mode 100644 index 0000000..07282bd --- /dev/null +++ b/include/linux/platform_data/wkup_m3.h @@ -0,0 +1,17 @@ +/* + * omap wkup_m3: platform data + * + * Copyright (C) 2014 Texas Instruments, Inc. + * + * Dave Gerlach <d-gerlach@ti.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +struct wkup_m3_platform_data { + const char *reset_name; + + int (*deassert_reset)(struct platform_device *pdev, const char *name); +};
Use pdata-quirks to reset the wkup_m3 during boot. Signed-off-by: Dave Gerlach <d-gerlach@ti.com> --- arch/arm/mach-omap2/pdata-quirks.c | 12 ++++++++++++ include/linux/platform_data/wkup_m3.h | 17 +++++++++++++++++ 2 files changed, 29 insertions(+) create mode 100644 include/linux/platform_data/wkup_m3.h