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ARM: OMAP: Move DT wake-up event handling over to use pinctrl-single-omap

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Now pinctrl-single-omap can handle the wake-up events for us now
as long as the events are configured in the .dts files.

Done in collaboration with Roger Quadros <rogerq@ti.com>.

Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Prakash Manjunathappa <prakash.pm@ti.com>
Cc: Roger Quadros <rogerq@ti.com>
Cc: Haojian Zhuang <haojian.zhuang@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren 2013-10-10 15:45:13 -07:00
commit 30a69ef785
7 changed files with 57 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

4
arch/arm/boot/dts/omap3.dtsi
View file

@ -107,6 +107,8 @@
reg = <0x48002030 0x05cc>;
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
interrupt-controller;
pinctrl-single,register-width = <16>;
pinctrl-single,function-mask = <0x7f1f>;
};
@ -116,6 +118,8 @@
reg = <0x48002a00 0x5c>;
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
interrupt-controller;
pinctrl-single,register-width = <16>;
pinctrl-single,function-mask = <0x7f1f>;
};

4
arch/arm/boot/dts/omap4.dtsi
View file

@ -114,6 +114,8 @@
reg = <0x4a100040 0x0196>;
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
interrupt-controller;
pinctrl-single,register-width = <16>;
pinctrl-single,function-mask = <0x7fff>;
};
@ -122,6 +124,8 @@
reg = <0x4a31e040 0x0038>;
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
interrupt-controller;
pinctrl-single,register-width = <16>;
pinctrl-single,function-mask = <0x7fff>;
};

8
arch/arm/mach-omap2/mux.c
View file

@ -811,6 +811,12 @@ int __init omap_mux_late_init(void)
}
}
omap_mux_dbg_init();
/* see pinctrl-single-omap for the wake-up interrupt handling */
if (of_have_populated_dt())
return 0;
ret = request_irq(omap_prcm_event_to_irq("io"),
omap_hwmod_mux_handle_irq, IRQF_SHARED | IRQF_NO_SUSPEND,
"hwmod_io", omap_mux_late_init);
@ -818,8 +824,6 @@ int __init omap_mux_late_init(void)
if (ret)
pr_warning("mux: Failed to setup hwmod io irq %d\n", ret);
omap_mux_dbg_init();
return 0;
}

18
arch/arm/mach-omap2/pdata-quirks.c
View file

@ -14,6 +14,8 @@
#include <linux/of_platform.h>
#include <linux/wl12xx.h>
#include <linux/platform_data/pinctrl-single.h>
#include "common.h"
#include "common-board-devices.h"
#include "dss-common.h"
@ -105,7 +107,23 @@ static void __init omap5_uevm_legacy_init(void)
}
#endif
static struct pcs_pdata pcs_pdata;
void omap_pcs_legacy_init(int irq, void (*rearm)(void))
{
pcs_pdata.irq = irq;
pcs_pdata.rearm = rearm;
}
struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
#ifdef CONFIG_ARCH_OMAP3
OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
#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),
#endif
{ /* sentinel */ },
};

8
arch/arm/mach-omap2/prm3xxx.h
View file

@ -144,7 +144,13 @@ extern u32 omap3_prm_vcvp_read(u8 offset);
extern void omap3_prm_vcvp_write(u32 val, u8 offset);
extern u32 omap3_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset);
extern void omap3xxx_prm_reconfigure_io_chain(void);
#ifdef CONFIG_ARCH_OMAP3
void omap3xxx_prm_reconfigure_io_chain(void);
#else
static inline void omap3xxx_prm_reconfigure_io_chain(void)
{
}
#endif
/* PRM interrupt-related functions */
extern void omap3xxx_prm_read_pending_irqs(unsigned long *events);

8
arch/arm/mach-omap2/prm44xx_54xx.h
View file

@ -42,7 +42,13 @@ extern u32 omap4_prm_vcvp_read(u8 offset);
extern void omap4_prm_vcvp_write(u32 val, u8 offset);
extern u32 omap4_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset);
extern void omap44xx_prm_reconfigure_io_chain(void);
#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
void omap44xx_prm_reconfigure_io_chain(void);
#else
static inline void omap44xx_prm_reconfigure_io_chain(void)
{
}
#endif
/* PRM interrupt-related functions */
extern void omap44xx_prm_read_pending_irqs(unsigned long *events);

11
arch/arm/mach-omap2/prm_common.c
View file

@ -24,6 +24,7 @@
#include <linux/interrupt.h>
#include <linux/slab.h>
#include "soc.h"
#include "prm2xxx_3xxx.h"
#include "prm2xxx.h"
#include "prm3xxx.h"
@ -322,6 +323,16 @@ int omap_prcm_register_chain_handler(struct omap_prcm_irq_setup *irq_setup)
prcm_irq_chips[i] = gc;
}
if (of_have_populated_dt()) {
int irq = omap_prcm_event_to_irq("io");
if (cpu_is_omap34xx())
omap_pcs_legacy_init(irq,
omap3xxx_prm_reconfigure_io_chain);
else
omap_pcs_legacy_init(irq,
omap44xx_prm_reconfigure_io_chain);
}
return 0;
err: