[PATCH 6/6] ARM: OMAP: Move DT wake-up event handling over to use pinctrl-single-omap
Tony Lindgren
tony at atomide.com
Thu Oct 3 01:42:29 EDT 2013
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 at ti.com>.
Cc: Peter Ujfalusi <peter.ujfalusi at ti.com>
Cc: Grygorii Strashko <grygorii.strashko at ti.com>
Cc: Prakash Manjunathappa <prakash.pm at ti.com>
Cc: Roger Quadros <rogerq at ti.com>
Cc: Haojian Zhuang <haojian.zhuang at linaro.org>
Cc: Linus Walleij <linus.walleij at linaro.org>
Signed-off-by: Roger Quadros <rogerq at ti.com>
Signed-off-by: Tony Lindgren <tony at atomide.com>
---
arch/arm/boot/dts/omap3.dtsi | 4 ++++
arch/arm/boot/dts/omap4.dtsi | 4 ++++
arch/arm/mach-omap2/mux.c | 8 ++++++--
arch/arm/mach-omap2/pdata-quirks.c | 18 ++++++++++++++++++
arch/arm/mach-omap2/prm3xxx.h | 8 +++++++-
arch/arm/mach-omap2/prm44xx_54xx.h | 8 +++++++-
arch/arm/mach-omap2/prm_common.c | 11 +++++++++++
7 files changed, 57 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
index b41bd57..6e928e8 100644
--- a/arch/arm/boot/dts/omap3.dtsi
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -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 = <0xff1f>;
};
@@ -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 = <0xff1f>;
};
diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index 22d9f2b..0415d5e 100644
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -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>;
};
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index f82cf87..48094b58 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -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;
}
diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index c739631..1f047f4 100644
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -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"
@@ -100,7 +102,23 @@ 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 */ },
};
diff --git a/arch/arm/mach-omap2/prm3xxx.h b/arch/arm/mach-omap2/prm3xxx.h
index 277f717..f8eb833 100644
--- a/arch/arm/mach-omap2/prm3xxx.h
+++ b/arch/arm/mach-omap2/prm3xxx.h
@@ -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);
diff --git a/arch/arm/mach-omap2/prm44xx_54xx.h b/arch/arm/mach-omap2/prm44xx_54xx.h
index 7cd22ab..a085d9c 100644
--- a/arch/arm/mach-omap2/prm44xx_54xx.h
+++ b/arch/arm/mach-omap2/prm44xx_54xx.h
@@ -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);
diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index 228b850..a2e1174 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -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:
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