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-rw-r--r--arch/arm/mach-omap2/Kconfig10
-rw-r--r--arch/arm/mach-omap2/Makefile2
-rw-r--r--arch/arm/mach-omap2/board-generic.c36
-rw-r--r--arch/arm/mach-omap2/board-igep0020.c41
-rw-r--r--arch/arm/mach-omap2/common.h3
-rw-r--r--arch/arm/mach-omap2/devices.c38
-rw-r--r--arch/arm/mach-omap2/dss-common.c44
-rw-r--r--arch/arm/mach-omap2/dss-common.h1
-rw-r--r--arch/arm/mach-omap2/gpmc.c38
-rw-r--r--arch/arm/mach-omap2/mux.c8
-rw-r--r--arch/arm/mach-omap2/pdata-quirks.c174
-rw-r--r--arch/arm/mach-omap2/prm3xxx.h8
-rw-r--r--arch/arm/mach-omap2/prm44xx_54xx.h8
-rw-r--r--arch/arm/mach-omap2/prm_common.c11
14 files changed, 299 insertions, 123 deletions
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index b5fb5f7..f6a1db1 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -94,6 +94,7 @@ config ARCH_OMAP2PLUS
select GENERIC_CLOCKEVENTS
select GENERIC_IRQ_CHIP
select HAVE_CLK
+ select MACH_OMAP_GENERIC
select OMAP_DM_TIMER
select PINCTRL
select PROC_DEVICETREE if PROC_FS
@@ -187,16 +188,11 @@ config OMAP_PACKAGE_CUS
config OMAP_PACKAGE_CBP
bool
-comment "OMAP Board Type"
+comment "OMAP Legacy Platform Data Board Type"
depends on ARCH_OMAP2PLUS
config MACH_OMAP_GENERIC
- bool "Generic OMAP2+ board"
- depends on ARCH_OMAP2PLUS
- default y
- help
- Support for generic TI OMAP2+ boards using Flattened Device Tree.
- More information at Documentation/devicetree
+ bool
config MACH_OMAP2_TUSB6010
bool
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index afb457c..f8d4a1b 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -233,7 +233,7 @@ obj-y += drm.o
endif
# Specific board support
-obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
+obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o pdata-quirks.o
obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o
obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o
obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 87162e1..3896b12 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -15,13 +15,10 @@
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/irqdomain.h>
-#include <linux/clk.h>
#include <asm/mach/arch.h>
#include "common.h"
-#include "common-board-devices.h"
-#include "dss-common.h"
#if !(defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3))
#define intc_of_init NULL
@@ -36,40 +33,9 @@ static struct of_device_id omap_dt_match_table[] __initdata = {
{ }
};
-/*
- * Create alias for USB host PHY clock.
- * Remove this when clock phandle can be provided via DT
- */
-static void __init legacy_init_ehci_clk(char *clkname)
-{
- int ret;
-
- ret = clk_add_alias("main_clk", NULL, clkname, NULL);
- if (ret) {
- pr_err("%s:Failed to add main_clk alias to %s :%d\n",
- __func__, clkname, ret);
- }
-}
-
static void __init omap_generic_init(void)
{
- omap_sdrc_init(NULL, NULL);
-
- of_platform_populate(NULL, omap_dt_match_table, NULL, NULL);
-
- /*
- * HACK: call display setup code for selected boards to enable omapdss.
- * This will be removed when omapdss supports DT.
- */
- if (of_machine_is_compatible("ti,omap4-panda")) {
- omap4_panda_display_init_of();
- legacy_init_ehci_clk("auxclk3_ck");
-
- }
- else if (of_machine_is_compatible("ti,omap4-sdp"))
- omap_4430sdp_display_init_of();
- else if (of_machine_is_compatible("ti,omap5-uevm"))
- legacy_init_ehci_clk("auxclk1_ck");
+ pdata_quirks_init(omap_dt_match_table);
}
#ifdef CONFIG_SOC_OMAP2420
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index 06dbb2d..d648d50 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -43,6 +43,7 @@
#include "board-flash.h"
#include "control.h"
#include "gpmc-onenand.h"
+#include "dss-common.h"
#define IGEP2_SMSC911X_CS 5
#define IGEP2_SMSC911X_GPIO 176
@@ -50,7 +51,6 @@
#define IGEP2_GPIO_LED0_GREEN 26
#define IGEP2_GPIO_LED0_RED 27
#define IGEP2_GPIO_LED1_RED 28
-#define IGEP2_GPIO_DVI_PUP 170
#define IGEP2_RB_GPIO_WIFI_NPD 94
#define IGEP2_RB_GPIO_WIFI_NRESET 95
@@ -429,41 +429,6 @@ static struct twl4030_gpio_platform_data igep_twl4030_gpio_pdata = {
.setup = igep_twl_gpio_setup,
};
-static struct connector_dvi_platform_data omap3stalker_dvi_connector_pdata = {
- .name = "dvi",
- .source = "tfp410.0",
- .i2c_bus_num = 3,
-};
-
-static struct platform_device omap3stalker_dvi_connector_device = {
- .name = "connector-dvi",
- .id = 0,
- .dev.platform_data = &omap3stalker_dvi_connector_pdata,
-};
-
-static struct encoder_tfp410_platform_data omap3stalker_tfp410_pdata = {
- .name = "tfp410.0",
- .source = "dpi.0",
- .data_lines = 24,
- .power_down_gpio = IGEP2_GPIO_DVI_PUP,
-};
-
-static struct platform_device omap3stalker_tfp410_device = {
- .name = "tfp410",
- .id = 0,
- .dev.platform_data = &omap3stalker_tfp410_pdata,
-};
-
-static struct omap_dss_board_info igep2_dss_data = {
- .default_display_name = "dvi",
-};
-
-static struct platform_device *igep_devices[] __initdata = {
- &igep_vwlan_device,
- &omap3stalker_tfp410_device,
- &omap3stalker_dvi_connector_device,
-};
-
static int igep2_keymap[] = {
KEY(0, 0, KEY_LEFT),
KEY(0, 1, KEY_RIGHT),
@@ -663,7 +628,8 @@ static void __init igep_init(void)
/* Register I2C busses and drivers */
igep_i2c_init();
- platform_add_devices(igep_devices, ARRAY_SIZE(igep_devices));
+ platform_device_register(&igep_vwlan_device);
+ omap3_igep2_display_init_of();
omap_serial_init();
omap_sdrc_init(m65kxxxxam_sdrc_params,
m65kxxxxam_sdrc_params);
@@ -681,7 +647,6 @@ static void __init igep_init(void)
igep_wlan_bt_init();
if (machine_is_igep0020()) {
- omap_display_init(&igep2_dss_data);
igep2_init_smsc911x();
usbhs_init_phys(igep2_phy_data, ARRAY_SIZE(igep2_phy_data));
usbhs_init(&igep2_usbhs_bdata);
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index 4a5684b..c6aebf0 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -288,6 +288,9 @@ static inline void omap4_cpu_resume(void)
#endif
+void pdata_quirks_init(struct of_device_id *);
+void omap_pcs_legacy_init(int irq, void (*rearm)(void));
+
struct omap_sdrc_params;
extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
struct omap_sdrc_params *sdrc_cs1);
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 5c5315b..5336c75 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -19,7 +19,6 @@
#include <linux/of.h>
#include <linux/pinctrl/machine.h>
#include <linux/platform_data/omap4-keypad.h>
-#include <linux/wl12xx.h>
#include <linux/platform_data/mailbox-omap.h>
#include <asm/mach-types.h>
@@ -475,40 +474,6 @@ static void omap_init_vout(void)
static inline void omap_init_vout(void) {}
#endif
-#if IS_ENABLED(CONFIG_WL12XX)
-
-static struct wl12xx_platform_data wl12xx __initdata;
-
-void __init omap_init_wl12xx_of(void)
-{
- int ret;
-
- if (!of_have_populated_dt())
- return;
-
- if (of_machine_is_compatible("ti,omap4-sdp")) {
- wl12xx.board_ref_clock = WL12XX_REFCLOCK_26;
- wl12xx.board_tcxo_clock = WL12XX_TCXOCLOCK_26;
- wl12xx.irq = gpio_to_irq(53);
- } else if (of_machine_is_compatible("ti,omap4-panda")) {
- wl12xx.board_ref_clock = WL12XX_REFCLOCK_38;
- wl12xx.irq = gpio_to_irq(53);
- } else {
- return;
- }
-
- ret = wl12xx_set_platform_data(&wl12xx);
- if (ret) {
- pr_err("error setting wl12xx data: %d\n", ret);
- return;
- }
-}
-#else
-static inline void omap_init_wl12xx_of(void)
-{
-}
-#endif
-
/*-------------------------------------------------------------------------*/
static int __init omap2_init_devices(void)
@@ -531,9 +496,6 @@ static int __init omap2_init_devices(void)
omap_init_sham();
omap_init_aes();
omap_init_rng();
- } else {
- /* These can be removed when bindings are done */
- omap_init_wl12xx_of();
}
omap_init_sti();
omap_init_vout();
diff --git a/arch/arm/mach-omap2/dss-common.c b/arch/arm/mach-omap2/dss-common.c
index bf89eff..365bfd3 100644
--- a/arch/arm/mach-omap2/dss-common.c
+++ b/arch/arm/mach-omap2/dss-common.c
@@ -213,3 +213,47 @@ void __init omap_4430sdp_display_init_of(void)
platform_device_register(&sdp4430_tpd_device);
platform_device_register(&sdp4430_hdmi_connector_device);
}
+
+
+/* OMAP3 IGEPv2 data */
+
+#define IGEP2_DVI_TFP410_POWER_DOWN_GPIO 170
+
+/* DVI Connector */
+static struct connector_dvi_platform_data omap3_igep2_dvi_connector_pdata = {
+ .name = "dvi",
+ .source = "tfp410.0",
+ .i2c_bus_num = 3,
+};
+
+static struct platform_device omap3_igep2_dvi_connector_device = {
+ .name = "connector-dvi",
+ .id = 0,
+ .dev.platform_data = &omap3_igep2_dvi_connector_pdata,
+};
+
+/* TFP410 DPI-to-DVI chip */
+static struct encoder_tfp410_platform_data omap3_igep2_tfp410_pdata = {
+ .name = "tfp410.0",
+ .source = "dpi.0",
+ .data_lines = 24,
+ .power_down_gpio = IGEP2_DVI_TFP410_POWER_DOWN_GPIO,
+};
+
+static struct platform_device omap3_igep2_tfp410_device = {
+ .name = "tfp410",
+ .id = 0,
+ .dev.platform_data = &omap3_igep2_tfp410_pdata,
+};
+
+static struct omap_dss_board_info igep2_dss_data = {
+ .default_display_name = "dvi",
+};
+
+void __init omap3_igep2_display_init_of(void)
+{
+ omap_display_init(&igep2_dss_data);
+
+ platform_device_register(&omap3_igep2_tfp410_device);
+ platform_device_register(&omap3_igep2_dvi_connector_device);
+}
diff --git a/arch/arm/mach-omap2/dss-common.h b/arch/arm/mach-omap2/dss-common.h
index c28fe3c..a9becf0 100644
--- a/arch/arm/mach-omap2/dss-common.h
+++ b/arch/arm/mach-omap2/dss-common.h
@@ -8,5 +8,6 @@
void __init omap4_panda_display_init_of(void);
void __init omap_4430sdp_display_init_of(void);
+void __init omap3_igep2_display_init_of(void);
#endif
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 579697a..51525fa 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -1521,6 +1521,42 @@ err:
return ret;
}
+/*
+ * REVISIT: Add timing support from slls644g.pdf
+ */
+static int gpmc_probe_8250(struct platform_device *pdev,
+ struct device_node *child)
+{
+ struct resource res;
+ unsigned long base;
+ int ret, cs;
+
+ if (of_property_read_u32(child, "reg", &cs) < 0) {
+ dev_err(&pdev->dev, "%s has no 'reg' property\n",
+ child->full_name);
+ return -ENODEV;
+ }
+
+ if (of_address_to_resource(child, 0, &res) < 0) {
+ dev_err(&pdev->dev, "%s has malformed 'reg' property\n",
+ child->full_name);
+ return -ENODEV;
+ }
+
+ ret = gpmc_cs_request(cs, resource_size(&res), &base);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "cannot request GPMC CS %d\n", cs);
+ return ret;
+ }
+
+ if (of_platform_device_create(child, NULL, &pdev->dev))
+ return 0;
+
+ dev_err(&pdev->dev, "failed to create gpmc child %s\n", child->name);
+
+ return -ENODEV;
+}
+
static int gpmc_probe_dt(struct platform_device *pdev)
{
int ret;
@@ -1564,6 +1600,8 @@ static int gpmc_probe_dt(struct platform_device *pdev)
else if (of_node_cmp(child->name, "ethernet") == 0 ||
of_node_cmp(child->name, "nor") == 0)
ret = gpmc_probe_generic_child(pdev, child);
+ else if (of_node_cmp(child->name, "8250") == 0)
+ ret = gpmc_probe_8250(pdev, child);
if (WARN(ret < 0, "%s: probing gpmc child %s failed\n",
__func__, child->full_name))
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index f82cf87..48094b5 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
new file mode 100644
index 0000000..10c7145
--- /dev/null
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -0,0 +1,174 @@
+/*
+ * Legacy platform_data quirks
+ *
+ * Copyright (C) 2013 Texas Instruments
+ *
+ * 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.
+ */
+#include <linux/clk.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#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"
+#include "control.h"
+
+struct pdata_init {
+ const char *compatible;
+ void (*fn)(void);
+};
+
+/*
+ * Create alias for USB host PHY clock.
+ * Remove this when clock phandle can be provided via DT
+ */
+static void __init __used legacy_init_ehci_clk(char *clkname)
+{
+ int ret;
+
+ ret = clk_add_alias("main_clk", NULL, clkname, NULL);
+ if (ret)
+ pr_err("%s:Failed to add main_clk alias to %s :%d\n",
+ __func__, clkname, ret);
+}
+
+#if IS_ENABLED(CONFIG_WL12XX)
+
+static struct wl12xx_platform_data wl12xx __initdata;
+
+static void __init __used legacy_init_wl12xx(unsigned ref_clock,
+ unsigned tcxo_clock,
+ int gpio)
+{
+ int res;
+
+ wl12xx.board_ref_clock = ref_clock;
+ wl12xx.board_tcxo_clock = tcxo_clock;
+ wl12xx.irq = gpio_to_irq(gpio);
+
+ res = wl12xx_set_platform_data(&wl12xx);
+ if (res) {
+ pr_err("error setting wl12xx data: %d\n", res);
+ return;
+ }
+}
+#else
+static inline void legacy_init_wl12xx(unsigned ref_clock,
+ unsigned tcxo_clock,
+ int gpio)
+{
+}
+#endif
+
+#ifdef CONFIG_ARCH_OMAP3
+static void __init hsmmc2_internal_input_clk(void)
+{
+ u32 reg;
+
+ reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
+ reg |= OMAP2_MMCSDIO2ADPCLKISEL;
+ omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
+}
+
+static void __init omap3_igep0020_legacy_init(void)
+{
+ omap3_igep2_display_init_of();
+}
+
+static void __init omap3_evm_legacy_init(void)
+{
+ legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149);
+}
+
+static void __init omap3_zoom_legacy_init(void)
+{
+ legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
+}
+#endif /* CONFIG_ARCH_OMAP3 */
+
+#ifdef CONFIG_ARCH_OMAP4
+static void __init omap4_sdp_legacy_init(void)
+{
+ omap_4430sdp_display_init_of();
+ legacy_init_wl12xx(WL12XX_REFCLOCK_26,
+ WL12XX_TCXOCLOCK_26, 53);
+}
+
+static void __init omap4_panda_legacy_init(void)
+{
+ omap4_panda_display_init_of();
+ legacy_init_ehci_clk("auxclk3_ck");
+ legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
+}
+#endif
+
+#ifdef CONFIG_SOC_OMAP5
+static void __init omap5_uevm_legacy_init(void)
+{
+ legacy_init_ehci_clk("auxclk1_ck");
+}
+#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 */ },
+};
+
+static struct pdata_init pdata_quirks[] __initdata = {
+#ifdef CONFIG_ARCH_OMAP3
+ { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
+ { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
+ { "isee,omap3-igep0020", omap3_igep0020_legacy_init, },
+ { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
+ { "ti,omap3-zoom3", omap3_zoom_legacy_init, },
+#endif
+#ifdef CONFIG_ARCH_OMAP4
+ { "ti,omap4-sdp", omap4_sdp_legacy_init, },
+ { "ti,omap4-panda", omap4_panda_legacy_init, },
+#endif
+#ifdef CONFIG_SOC_OMAP5
+ { "ti,omap5-uevm", omap5_uevm_legacy_init, },
+#endif
+ { /* sentinel */ },
+};
+
+void __init pdata_quirks_init(struct of_device_id *omap_dt_match_table)
+{
+ struct pdata_init *quirks = pdata_quirks;
+
+ omap_sdrc_init(NULL, NULL);
+ of_platform_populate(NULL, omap_dt_match_table,
+ omap_auxdata_lookup, NULL);
+
+ while (quirks->compatible) {
+ if (of_machine_is_compatible(quirks->compatible)) {
+ if (quirks->fn)
+ quirks->fn();
+ break;
+ }
+ quirks++;
+ }
+}
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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