43 files changed, 107 insertions, 359 deletions
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index de3cc130ab8e..0b1c07ffa2f1 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -49,6 +49,12 @@ ifeq ($(CONFIG_ARCH_OMAP15XX),y)
 obj-$(CONFIG_MACH_OMAP_INNOVATOR)       += fpga.o
 endif
+# GPIO
+obj-$(CONFIG_ARCH_OMAP730)              += gpio7xx.o
+obj-$(CONFIG_ARCH_OMAP850)              += gpio7xx.o
+obj-$(CONFIG_ARCH_OMAP15XX)             += gpio15xx.o
+obj-$(CONFIG_ARCH_OMAP16XX)             += gpio16xx.o
 # LEDs support
 led-$(CONFIG_MACH_OMAP_H2)              += leds-h2p2-debug.o
 led-$(CONFIG_MACH_OMAP_H3)              += leds-h2p2-debug.o
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 9d97a72c5393..ce4d69ca15fe 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -141,7 +141,6 @@ static void __init ams_delta_init_irq(void)
 {
        omap1_init_common_hw();
        omap_init_irq();
-        omap_gpio_init();
 }
 static struct map_desc ams_delta_io_desc[] __initdata = {
diff --git a/arch/arm/mach-omap1/board-fsample.c b/arch/arm/mach-omap1/board-fsample.c
index 295ab6713670..0c3f396328bd 100644
--- a/arch/arm/mach-omap1/board-fsample.c
+++ b/arch/arm/mach-omap1/board-fsample.c
@@ -327,7 +327,6 @@ static void __init omap_fsample_init_irq(void)
 {
        omap1_init_common_hw();
        omap_init_irq();
-        omap_gpio_init();
 }
 /* Only FPGA needs to be mapped here. All others are done with ioremap */
diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c
index dd35efdefcf7..082a73ca5564 100644
--- a/arch/arm/mach-omap1/board-h2.c
+++ b/arch/arm/mach-omap1/board-h2.c
@@ -374,7 +374,6 @@ static void __init h2_init_irq(void)
 {
        omap1_init_common_hw();
        omap_init_irq();
-        omap_gpio_init();
 }
 static struct omap_usb_config h2_usb_config __initdata = {
diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c
index 78719198809e..d2cff5022fe5 100644
--- a/arch/arm/mach-omap1/board-h3.c
+++ b/arch/arm/mach-omap1/board-h3.c
@@ -437,7 +437,6 @@ static void __init h3_init_irq(void)
 {
        omap1_init_common_hw();
        omap_init_irq();
-        omap_gpio_init();
 }
 static void __init h3_map_io(void)
diff --git a/arch/arm/mach-omap1/board-htcherald.c b/arch/arm/mach-omap1/board-htcherald.c
index 071af3e47789..faa344f734dc 100644
--- a/arch/arm/mach-omap1/board-htcherald.c
+++ b/arch/arm/mach-omap1/board-htcherald.c
@@ -577,8 +577,6 @@ static void __init htcherald_init(void)
        printk(KERN_INFO "HTC Herald init.\n");
        /* Do board initialization before we register all the devices */
-        omap_gpio_init();
        omap_board_config = htcherald_config;
        omap_board_config_size = ARRAY_SIZE(htcherald_config);
        platform_add_devices(devices, ARRAY_SIZE(devices));
diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c
index 0feaa6731c7e..a051acdc526a 100644
--- a/arch/arm/mach-omap1/board-innovator.c
+++ b/arch/arm/mach-omap1/board-innovator.c
@@ -290,7 +290,6 @@ static void __init innovator_init_irq(void)
 {
        omap1_init_common_hw();
        omap_init_irq();
-        omap_gpio_init();
 #ifdef CONFIG_ARCH_OMAP15XX
        if (cpu_is_omap1510()) {
                omap1510_fpga_init_irq();
diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c
index aa8375b2a0a3..605495bbc583 100644
--- a/arch/arm/mach-omap1/board-nokia770.c
+++ b/arch/arm/mach-omap1/board-nokia770.c
@@ -246,7 +246,6 @@ static void __init omap_nokia770_init(void)
        platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
        spi_register_board_info(nokia770_spi_board_info,
                                ARRAY_SIZE(nokia770_spi_board_info));
-        omap_gpio_init();
        omap_serial_init();
        omap_register_i2c_bus(1, 100, NULL, 0);
        hwa742_dev_init();
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
index 30bdbdb93636..d44e7172efc2 100644
--- a/arch/arm/mach-omap1/board-osk.c
+++ b/arch/arm/mach-omap1/board-osk.c
@@ -283,7 +283,6 @@ static void __init osk_init_irq(void)
 {
        omap1_init_common_hw();
        omap_init_irq();
-        omap_gpio_init();
 }
 static struct omap_usb_config osk_usb_config __initdata = {
diff --git a/arch/arm/mach-omap1/board-palmte.c b/arch/arm/mach-omap1/board-palmte.c
index f32738b1eb6b..994dc6f50729 100644
--- a/arch/arm/mach-omap1/board-palmte.c
+++ b/arch/arm/mach-omap1/board-palmte.c
@@ -63,7 +63,6 @@ static void __init omap_palmte_init_irq(void)
 {
        omap1_init_common_hw();
        omap_init_irq();
-        omap_gpio_init();
 }
 static const int palmte_keymap[] = {
diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c
index d7a245cef9a4..2afac598baee 100644
--- a/arch/arm/mach-omap1/board-palmz71.c
+++ b/arch/arm/mach-omap1/board-palmz71.c
@@ -62,7 +62,6 @@ omap_palmz71_init_irq(void)
 {
        omap1_init_common_hw();
        omap_init_irq();
-        omap_gpio_init();
 }
 static int palmz71_keymap[] = {
diff --git a/arch/arm/mach-omap1/board-perseus2.c b/arch/arm/mach-omap1/board-perseus2.c
index 07660be4f228..69fda218fb45 100644
--- a/arch/arm/mach-omap1/board-perseus2.c
+++ b/arch/arm/mach-omap1/board-perseus2.c
@@ -295,7 +295,6 @@ static void __init omap_perseus2_init_irq(void)
 {
        omap1_init_common_hw();
        omap_init_irq();
-        omap_gpio_init();
 }
 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 static struct map_desc omap_perseus2_io_desc[] __initdata = {
diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c
index d25f59e5a773..463862c67819 100644
--- a/arch/arm/mach-omap1/board-sx1.c
+++ b/arch/arm/mach-omap1/board-sx1.c
@@ -409,7 +409,6 @@ static void __init omap_sx1_init_irq(void)
 {
        omap1_init_common_hw();
        omap_init_irq();
-        omap_gpio_init();
 }
 /*----------------------------------------*/
diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c
index f5992c239bcd..789f5bac7359 100644
--- a/arch/arm/mach-omap1/board-voiceblue.c
+++ b/arch/arm/mach-omap1/board-voiceblue.c
@@ -158,7 +158,6 @@ static void __init voiceblue_init_irq(void)
 {
        omap1_init_common_hw();
        omap_init_irq();
-        omap_gpio_init();
 }
 static void __init voiceblue_init(void)
diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c
index af54114b8f08..423d21d8c190 100644
--- a/arch/arm/mach-omap1/clock_data.c
+++ b/arch/arm/mach-omap1/clock_data.c
@@ -143,7 +143,7 @@ static struct arm_idlect1_clk armper_ck = {
 * activation.  [ GPIO code for 1510 ]
 */
 static struct clk arm_gpio_ck = {
-        .name           = "arm_gpio_ck",
+        .name           = "ick",
        .ops            = &clkops_generic,
        .parent         = &ck_dpll1,
        .flags          = ENABLE_ON_INIT,
@@ -684,7 +684,7 @@ static struct omap_clk omap_clks[] = {
        CLK(NULL,       "ck_sossi",     &sossi_ck,      CK_16XX),
        CLK(NULL,       "arm_ck",       &arm_ck,        CK_16XX | CK_1510 | CK_310),
        CLK(NULL,       "armper_ck",    &armper_ck.clk, CK_16XX | CK_1510 | CK_310),
-        CLK(NULL,       "arm_gpio_ck",  &arm_gpio_ck,   CK_1510 | CK_310),
+        CLK("omap_gpio.0", "ick",       &arm_gpio_ck,   CK_1510 | CK_310),
        CLK(NULL,       "armxor_ck",    &armxor_ck.clk, CK_16XX | CK_1510 | CK_310 | CK_7XX),
        CLK(NULL,       "armtim_ck",    &armtim_ck.clk, CK_16XX | CK_1510 | CK_310),
        CLK("omap_wdt", "fck",          &armwdt_ck.clk, CK_16XX | CK_1510 | CK_310),
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index ce7b1f017670..fbc87395a025 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -4,7 +4,7 @@
 # Common support
 obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer-gp.o pm.o \
-         common.o
+         common.o gpio.o
 omap-2-3-common                         = irq.o sdrc.o prm2xxx_3xxx.o
 hwmod-common                            = omap_hwmod.o \
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index b527f8d187ad..0f14001c1641 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -145,7 +145,6 @@ static void __init omap_2430sdp_init_irq(void)
        omap_board_config_size = ARRAY_SIZE(sdp2430_config);
        omap2_init_common_hw(NULL, NULL);
        omap_init_irq();
-        omap_gpio_init();
 }
 static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 4e3742c512b8..5cb23f3d4fc0 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -328,7 +328,6 @@ static void __init omap_3430sdp_init_irq(void)
        omap3_pm_init_cpuidle(omap3_cpuidle_params_table);
        omap2_init_common_hw(hyb18m512160af6_sdrc_params, NULL);
        omap_init_irq();
-        omap_gpio_init();
 }
 static int sdp3430_batt_table[] = {
diff --git a/arch/arm/mach-omap2/board-3630sdp.c b/arch/arm/mach-omap2/board-3630sdp.c
index bbcf580fa097..b23f401aa6b6 100644
--- a/arch/arm/mach-omap2/board-3630sdp.c
+++ b/arch/arm/mach-omap2/board-3630sdp.c
@@ -76,7 +76,6 @@ static void __init omap_sdp_init_irq(void)
        omap2_init_common_hw(h8mbx00u0mer0em_sdrc_params,
                        h8mbx00u0mer0em_sdrc_params);
        omap_init_irq();
-        omap_gpio_init();
 }
 #ifdef CONFIG_OMAP_MUX
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index 94d989bee8ad..8842ec5e51e3 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -223,7 +223,6 @@ static void __init omap_4430sdp_init_irq(void)
        omap2_gp_clockevent_set_gptimer(1);
 #endif
        gic_init_irq();
-        omap_gpio_init();
 }
 static struct omap_musb_board_data musb_board_data = {
diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c
index 13ead330e389..8ba404770e75 100644
--- a/arch/arm/mach-omap2/board-am3517crane.c
+++ b/arch/arm/mach-omap2/board-am3517crane.c
@@ -19,7 +19,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/gpio.h>
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -50,7 +49,6 @@ static void __init am3517_crane_init_irq(void)
        omap2_init_common_hw(NULL, NULL);
        omap_init_irq();
-        omap_gpio_init();
 }
 static void __init am3517_crane_init(void)
diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index 07399505312b..df6900e8ad5a 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -392,7 +392,6 @@ static void __init am3517_evm_init_irq(void)
        omap2_init_common_hw(NULL, NULL);
        omap_init_irq();
-        omap_gpio_init();
 }
 static struct omap_musb_board_data musb_board_data = {
diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c
index 6ae777e08896..f51f4f1e07f7 100644
--- a/arch/arm/mach-omap2/board-apollon.c
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -280,7 +280,6 @@ static void __init omap_apollon_init_irq(void)
        omap_board_config_size = ARRAY_SIZE(apollon_config);
        omap2_init_common_hw(NULL, NULL);
        omap_init_irq();
-        omap_gpio_init();
 }
 static void __init apollon_led_init(void)
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index 63f764e2af3f..78b67fb790bf 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -686,7 +686,6 @@ static void __init cm_t35_init_irq(void)
        omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
                             mt46h32m32lf6_sdrc_params);
        omap_init_irq();
-        omap_gpio_init();
 }
 static struct omap_board_mux board_mux[] __initdata = {
diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c
index 1dd303e9a267..7ee23dab84fe 100644
--- a/arch/arm/mach-omap2/board-cm-t3517.c
+++ b/arch/arm/mach-omap2/board-cm-t3517.c
@@ -250,7 +250,6 @@ static void __init cm_t3517_init_irq(void)
        omap2_init_common_hw(NULL, NULL);
        omap_init_irq();
-        omap_gpio_init();
 }
 static struct omap_board_mux board_mux[] __initdata = {
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index 53ac762518bd..a30a7fce8cbf 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -450,7 +450,6 @@ static void __init devkit8000_init_irq(void)
 #ifdef CONFIG_OMAP_32K_TIMER
        omap2_gp_clockevent_set_gptimer(12);
 #endif
-        omap_gpio_init();
 }
 static void __init devkit8000_ads7846_init(void)
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
index 929993b4bf26..68e6f4c8e00a 100644
--- a/arch/arm/mach-omap2/board-h4.c
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -293,7 +293,6 @@ static void __init omap_h4_init_irq(void)
        omap_board_config_size = ARRAY_SIZE(h4_config);
        omap2_init_common_hw(NULL, NULL);
        omap_init_irq();
-        omap_gpio_init();
        h4_init_flash();
 }
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index fe76b59b13ed..3bda186fe677 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -484,7 +484,6 @@ static void __init igep2_init_irq(void)
 {
        omap2_init_common_hw(m65kxxxxam_sdrc_params, m65kxxxxam_sdrc_params);
        omap_init_irq();
-        omap_gpio_init();
 }
 static struct twl4030_codec_audio_data igep2_audio_data = {
diff --git a/arch/arm/mach-omap2/board-igep0030.c b/arch/arm/mach-omap2/board-igep0030.c
index 22b0b253e16b..c7c57cdf83d6 100644
--- a/arch/arm/mach-omap2/board-igep0030.c
+++ b/arch/arm/mach-omap2/board-igep0030.c
@@ -291,7 +291,6 @@ static void __init igep3_init_irq(void)
 {
        omap2_init_common_hw(m65kxxxxam_sdrc_params, m65kxxxxam_sdrc_params);
        omap_init_irq();
-        omap_gpio_init();
 }
 static struct twl4030_platform_data igep3_twl4030_pdata = {
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 3dab44e3eb42..d97e3caed7c0 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -294,7 +294,6 @@ static void __init omap_ldp_init_irq(void)
        omap_board_config_size = ARRAY_SIZE(ldp_config);
        omap2_init_common_hw(NULL, NULL);
        omap_init_irq();
-        omap_gpio_init();
 }
 static struct twl4030_usb_data ldp_usb_data = {
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index e823c7042ab3..d8a489338e0c 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -641,7 +641,6 @@ static void __init n8x0_init_irq(void)
 {
        omap2_init_common_hw(NULL, NULL);
        omap_init_irq();
-        omap_gpio_init();
 }
 #ifdef CONFIG_OMAP_MUX
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 14f42240ae79..a4131bef50fb 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -490,7 +490,6 @@ static void __init omap3_beagle_init_irq(void)
 #ifdef CONFIG_OMAP_32K_TIMER
        omap2_gp_clockevent_set_gptimer(12);
 #endif
-        omap_gpio_init();
 }
 static struct platform_device *omap3_beagle_devices[] __initdata = {
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index b04365c6bb10..5ca02202d608 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -625,7 +625,6 @@ static void __init omap3_evm_init_irq(void)
        omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
        omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL);
        omap_init_irq();
-        omap_gpio_init();
 }
 static struct platform_device *omap3_evm_devices[] __initdata = {
diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c
index 5f7d2c1e7ef5..263294044c7e 100644
--- a/arch/arm/mach-omap2/board-omap3logic.c
+++ b/arch/arm/mach-omap2/board-omap3logic.c
@@ -199,7 +199,6 @@ static void __init omap3logic_init_irq(void)
 {
        omap2_init_common_hw(NULL, NULL);
        omap_init_irq();
-        omap_gpio_init();
 }
 #ifdef CONFIG_OMAP_MUX
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 89ed1be2d62e..1031d7cadb3a 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -639,7 +639,6 @@ static void __init omap3pandora_init_irq(void)
        omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
                             mt46h32m32lf6_sdrc_params);
        omap_init_irq();
-        omap_gpio_init();
 }
 static void pandora_wl1251_set_power(bool enable)
diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c
index f25272125413..ea13e2aeeec5 100644
--- a/arch/arm/mach-omap2/board-omap3stalker.c
+++ b/arch/arm/mach-omap2/board-omap3stalker.c
@@ -589,7 +589,6 @@ static void __init omap3_stalker_init_irq(void)
 #ifdef CONFIG_OMAP_32K_TIMER
        omap2_gp_clockevent_set_gptimer(12);
 #endif
-        omap_gpio_init();
 }
 static struct platform_device *omap3_stalker_devices[] __initdata = {
diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c
index 41104bb8774c..2339964058cc 100644
--- a/arch/arm/mach-omap2/board-omap3touchbook.c
+++ b/arch/arm/mach-omap2/board-omap3touchbook.c
@@ -428,7 +428,6 @@ static void __init omap3_touchbook_init_irq(void)
 #ifdef CONFIG_OMAP_32K_TIMER
        omap2_gp_clockevent_set_gptimer(12);
 #endif
-        omap_gpio_init();
 }
 static struct platform_device *omap3_touchbook_devices[] __initdata = {
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index 801f8146b00c..38f942beb121 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -79,7 +79,6 @@ static void __init omap4_panda_init_irq(void)
 {
        omap2_init_common_hw(NULL, NULL);
        gic_init_irq();
-        omap_gpio_init();
 }
 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index 7053bc0b46db..805b78393393 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -416,7 +416,6 @@ static void __init overo_init_irq(void)
        omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
                             mt46h32m32lf6_sdrc_params);
        omap_init_irq();
-        omap_gpio_init();
 }
 static struct platform_device *overo_devices[] __initdata = {
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index 36f2cf4efd57..1c3b0795c6e2 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -108,7 +108,6 @@ static void __init rx51_init_irq(void)
        sdrc_params = rx51_get_sdram_timings();
        omap2_init_common_hw(sdrc_params, sdrc_params);
        omap_init_irq();
-        omap_gpio_init();
 }
 extern void __init rx51_peripherals_init(void);
diff --git a/arch/arm/mach-omap2/board-zoom.c b/arch/arm/mach-omap2/board-zoom.c
index 3da69e4102a4..abd864a50b4e 100644
--- a/arch/arm/mach-omap2/board-zoom.c
+++ b/arch/arm/mach-omap2/board-zoom.c
@@ -43,7 +43,6 @@ static void __init omap_zoom_init_irq(void)
                                h8mbx00u0mer0em_sdrc_params);
        omap_init_irq();
-        omap_gpio_init();
 }
 #ifdef CONFIG_OMAP_MUX
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 2b0d90109828..6f53dee98a91 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -21,6 +21,8 @@
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/io.h>
+#include <linux/slab.h>
+#include <linux/pm_runtime.h>
 #include <mach/hardware.h>
 #include <asm/irq.h>
@@ -32,7 +34,6 @@
 /*
 * OMAP1510 GPIO registers
 */
-#define OMAP1510_GPIO_BASE              0xfffce000
 #define OMAP1510_GPIO_DATA_INPUT        0x00
 #define OMAP1510_GPIO_DATA_OUTPUT       0x04
 #define OMAP1510_GPIO_DIR_CONTROL       0x08
@@ -46,10 +47,6 @@
 /*
 * OMAP1610 specific GPIO registers
 */
-#define OMAP1610_GPIO1_BASE             0xfffbe400
-#define OMAP1610_GPIO2_BASE             0xfffbec00
-#define OMAP1610_GPIO3_BASE             0xfffbb400
-#define OMAP1610_GPIO4_BASE             0xfffbbc00
 #define OMAP1610_GPIO_REVISION          0x0000
 #define OMAP1610_GPIO_SYSCONFIG         0x0010
 #define OMAP1610_GPIO_SYSSTATUS         0x0014
@@ -71,12 +68,6 @@
 /*
 * OMAP7XX specific GPIO registers
 */
-#define OMAP7XX_GPIO1_BASE              0xfffbc000
-#define OMAP7XX_GPIO2_BASE              0xfffbc800
-#define OMAP7XX_GPIO3_BASE              0xfffbd000
-#define OMAP7XX_GPIO4_BASE              0xfffbd800
-#define OMAP7XX_GPIO5_BASE              0xfffbe000
-#define OMAP7XX_GPIO6_BASE              0xfffbe800
 #define OMAP7XX_GPIO_DATA_INPUT         0x00
 #define OMAP7XX_GPIO_DATA_OUTPUT        0x04
 #define OMAP7XX_GPIO_DIR_CONTROL        0x08
@@ -84,25 +75,10 @@
 #define OMAP7XX_GPIO_INT_MASK           0x10
 #define OMAP7XX_GPIO_INT_STATUS         0x14
-#define OMAP1_MPUIO_VBASE               OMAP1_MPUIO_BASE
 /*
- * omap24xx specific GPIO registers
+ * omap2+ specific GPIO registers
 */
-#define OMAP242X_GPIO1_BASE             0x48018000
-#define OMAP242X_GPIO2_BASE             0x4801a000
-#define OMAP242X_GPIO3_BASE             0x4801c000
-#define OMAP242X_GPIO4_BASE             0x4801e000
-#define OMAP243X_GPIO1_BASE             0x4900C000
-#define OMAP243X_GPIO2_BASE             0x4900E000
-#define OMAP243X_GPIO3_BASE             0x49010000
-#define OMAP243X_GPIO4_BASE             0x49012000
-#define OMAP243X_GPIO5_BASE             0x480B6000
 #define OMAP24XX_GPIO_REVISION          0x0000
-#define OMAP24XX_GPIO_SYSCONFIG         0x0010
-#define OMAP24XX_GPIO_SYSSTATUS         0x0014
 #define OMAP24XX_GPIO_IRQSTATUS1        0x0018
 #define OMAP24XX_GPIO_IRQSTATUS2        0x0028
 #define OMAP24XX_GPIO_IRQENABLE2        0x002c
@@ -126,7 +102,6 @@
 #define OMAP24XX_GPIO_SETDATAOUT        0x0094
 #define OMAP4_GPIO_REVISION             0x0000
-#define OMAP4_GPIO_SYSCONFIG            0x0010
 #define OMAP4_GPIO_EOI                  0x0020
 #define OMAP4_GPIO_IRQSTATUSRAW0        0x0024
 #define OMAP4_GPIO_IRQSTATUSRAW1        0x0028
@@ -138,7 +113,6 @@
 #define OMAP4_GPIO_IRQSTATUSCLR1        0x0040
 #define OMAP4_GPIO_IRQWAKEN0            0x0044
 #define OMAP4_GPIO_IRQWAKEN1            0x0048
-#define OMAP4_GPIO_SYSSTATUS            0x0114
 #define OMAP4_GPIO_IRQENABLE1           0x011c
 #define OMAP4_GPIO_WAKE_EN              0x0120
 #define OMAP4_GPIO_IRQSTATUS2           0x0128
@@ -159,26 +133,6 @@
 #define OMAP4_GPIO_SETWKUENA            0x0184
 #define OMAP4_GPIO_CLEARDATAOUT         0x0190
 #define OMAP4_GPIO_SETDATAOUT           0x0194
-/*
- * omap34xx specific GPIO registers
- */
-#define OMAP34XX_GPIO1_BASE             0x48310000
-#define OMAP34XX_GPIO2_BASE             0x49050000
-#define OMAP34XX_GPIO3_BASE             0x49052000
-#define OMAP34XX_GPIO4_BASE             0x49054000
-#define OMAP34XX_GPIO5_BASE             0x49056000
-#define OMAP34XX_GPIO6_BASE             0x49058000
-/*
- * OMAP44XX  specific GPIO registers
- */
-#define OMAP44XX_GPIO1_BASE             0x4a310000
-#define OMAP44XX_GPIO2_BASE             0x48055000
-#define OMAP44XX_GPIO3_BASE             0x48057000
-#define OMAP44XX_GPIO4_BASE             0x48059000
-#define OMAP44XX_GPIO5_BASE             0x4805B000
-#define OMAP44XX_GPIO6_BASE             0x4805D000
 struct gpio_bank {
        unsigned long pbase;
@@ -203,97 +157,12 @@ struct gpio_bank {
        struct clk *dbck;
        u32 mod_usage;
        u32 dbck_enable_mask;
+        struct device *dev;
+        bool dbck_flag;
 };
-#ifdef CONFIG_ARCH_OMAP16XX
-static struct gpio_bank gpio_bank_1610[5] = {
-        { OMAP1_MPUIO_VBASE, NULL, INT_MPUIO, IH_MPUIO_BASE,
-                METHOD_MPUIO },
-        { OMAP1610_GPIO1_BASE, NULL, INT_GPIO_BANK1, IH_GPIO_BASE,
-                METHOD_GPIO_1610 },
-        { OMAP1610_GPIO2_BASE, NULL, INT_1610_GPIO_BANK2, IH_GPIO_BASE + 16,
-                METHOD_GPIO_1610 },
-        { OMAP1610_GPIO3_BASE, NULL, INT_1610_GPIO_BANK3, IH_GPIO_BASE + 32,
-                METHOD_GPIO_1610 },
-        { OMAP1610_GPIO4_BASE, NULL, INT_1610_GPIO_BANK4, IH_GPIO_BASE + 48,
-                METHOD_GPIO_1610 },
-};
-#endif
-#ifdef CONFIG_ARCH_OMAP15XX
-static struct gpio_bank gpio_bank_1510[2] = {
-        { OMAP1_MPUIO_VBASE, NULL, INT_MPUIO, IH_MPUIO_BASE,
-                METHOD_MPUIO },
-        { OMAP1510_GPIO_BASE, NULL, INT_GPIO_BANK1, IH_GPIO_BASE,
-                METHOD_GPIO_1510 }
-};
-#endif
-#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
-static struct gpio_bank gpio_bank_7xx[7] = {
-        { OMAP1_MPUIO_VBASE, NULL, INT_7XX_MPUIO, IH_MPUIO_BASE,
-                METHOD_MPUIO },
-        { OMAP7XX_GPIO1_BASE, NULL, INT_7XX_GPIO_BANK1, IH_GPIO_BASE,
-                METHOD_GPIO_7XX },
-        { OMAP7XX_GPIO2_BASE, NULL, INT_7XX_GPIO_BANK2, IH_GPIO_BASE + 32,
-                METHOD_GPIO_7XX },
-        { OMAP7XX_GPIO3_BASE, NULL, INT_7XX_GPIO_BANK3, IH_GPIO_BASE + 64,
-                METHOD_GPIO_7XX },
-        { OMAP7XX_GPIO4_BASE, NULL, INT_7XX_GPIO_BANK4,  IH_GPIO_BASE + 96,
-                METHOD_GPIO_7XX },
-        { OMAP7XX_GPIO5_BASE, NULL, INT_7XX_GPIO_BANK5,  IH_GPIO_BASE + 128,
-                METHOD_GPIO_7XX },
-        { OMAP7XX_GPIO6_BASE, NULL, INT_7XX_GPIO_BANK6,  IH_GPIO_BASE + 160,
-                METHOD_GPIO_7XX },
-};
-#endif
-#ifdef CONFIG_ARCH_OMAP2
-static struct gpio_bank gpio_bank_242x[4] = {
-        { OMAP242X_GPIO1_BASE, NULL, INT_24XX_GPIO_BANK1, IH_GPIO_BASE,
-                METHOD_GPIO_24XX },
-        { OMAP242X_GPIO2_BASE, NULL, INT_24XX_GPIO_BANK2, IH_GPIO_BASE + 32,
-                METHOD_GPIO_24XX },
-        { OMAP242X_GPIO3_BASE, NULL, INT_24XX_GPIO_BANK3, IH_GPIO_BASE + 64,
-                METHOD_GPIO_24XX },
-        { OMAP242X_GPIO4_BASE, NULL, INT_24XX_GPIO_BANK4, IH_GPIO_BASE + 96,
-                METHOD_GPIO_24XX },
-};
-static struct gpio_bank gpio_bank_243x[5] = {
-        { OMAP243X_GPIO1_BASE, NULL, INT_24XX_GPIO_BANK1, IH_GPIO_BASE,
-                METHOD_GPIO_24XX },
-        { OMAP243X_GPIO2_BASE, NULL, INT_24XX_GPIO_BANK2, IH_GPIO_BASE + 32,
-                METHOD_GPIO_24XX },
-        { OMAP243X_GPIO3_BASE, NULL, INT_24XX_GPIO_BANK3, IH_GPIO_BASE + 64,
-                METHOD_GPIO_24XX },
-        { OMAP243X_GPIO4_BASE, NULL, INT_24XX_GPIO_BANK4, IH_GPIO_BASE + 96,
-                METHOD_GPIO_24XX },
-        { OMAP243X_GPIO5_BASE, NULL, INT_24XX_GPIO_BANK5, IH_GPIO_BASE + 128,
-                METHOD_GPIO_24XX },
-};
-#endif
 #ifdef CONFIG_ARCH_OMAP3
-static struct gpio_bank gpio_bank_34xx[6] = {
-        { OMAP34XX_GPIO1_BASE, NULL, INT_34XX_GPIO_BANK1, IH_GPIO_BASE,
-                METHOD_GPIO_24XX },
-        { OMAP34XX_GPIO2_BASE, NULL, INT_34XX_GPIO_BANK2, IH_GPIO_BASE + 32,
-                METHOD_GPIO_24XX },
-        { OMAP34XX_GPIO3_BASE, NULL, INT_34XX_GPIO_BANK3, IH_GPIO_BASE + 64,
-                METHOD_GPIO_24XX },
-        { OMAP34XX_GPIO4_BASE, NULL, INT_34XX_GPIO_BANK4, IH_GPIO_BASE + 96,
-                METHOD_GPIO_24XX },
-        { OMAP34XX_GPIO5_BASE, NULL, INT_34XX_GPIO_BANK5, IH_GPIO_BASE + 128,
-                METHOD_GPIO_24XX },
-        { OMAP34XX_GPIO6_BASE, NULL, INT_34XX_GPIO_BANK6, IH_GPIO_BASE + 160,
-                METHOD_GPIO_24XX },
-};
 struct omap3_gpio_regs {
-        u32 sysconfig;
        u32 irqenable1;
        u32 irqenable2;
        u32 wake_en;
@@ -309,25 +178,14 @@ struct omap3_gpio_regs {
 static struct omap3_gpio_regs gpio_context[OMAP34XX_NR_GPIOS];
 #endif
-#ifdef CONFIG_ARCH_OMAP4
+/*
-static struct gpio_bank gpio_bank_44xx[6] = {
+ * TODO: Cleanup gpio_bank usage as it is having information
-        { OMAP44XX_GPIO1_BASE, NULL, OMAP44XX_IRQ_GPIO1, IH_GPIO_BASE,
+ * related to all instances of the device
-                METHOD_GPIO_44XX },
+ */
-        { OMAP44XX_GPIO2_BASE, NULL, OMAP44XX_IRQ_GPIO2, IH_GPIO_BASE + 32,
+static struct gpio_bank *gpio_bank;
-                METHOD_GPIO_44XX },
-        { OMAP44XX_GPIO3_BASE, NULL, OMAP44XX_IRQ_GPIO3, IH_GPIO_BASE + 64,
-                METHOD_GPIO_44XX },
-        { OMAP44XX_GPIO4_BASE, NULL, OMAP44XX_IRQ_GPIO4, IH_GPIO_BASE + 96,
-                METHOD_GPIO_44XX },
-        { OMAP44XX_GPIO5_BASE, NULL, OMAP44XX_IRQ_GPIO5, IH_GPIO_BASE + 128,
-                METHOD_GPIO_44XX },
-        { OMAP44XX_GPIO6_BASE, NULL, OMAP44XX_IRQ_GPIO6, IH_GPIO_BASE + 160,
-                METHOD_GPIO_44XX },
-};
-#endif
+static int bank_width;
-static struct gpio_bank *gpio_bank;
 /* TODO: Analyze removing gpio_bank_count usage from driver code */
 int gpio_bank_count;
@@ -634,6 +492,9 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio,
        u32                     val;
        u32                     l;
+        if (!bank->dbck_flag)
+                return;
        if (debounce < 32)
                debounce = 0x01;
        else if (debounce > 7936)
@@ -643,7 +504,7 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio,
        l = 1 << get_gpio_index(gpio);
-        if (cpu_is_omap44xx())
+        if (bank->method == METHOD_GPIO_44XX)
                reg += OMAP4_GPIO_DEBOUNCINGTIME;
        else
                reg += OMAP24XX_GPIO_DEBOUNCE_VAL;
@@ -651,7 +512,7 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio,
        __raw_writel(debounce, reg);
        reg = bank->base;
-        if (cpu_is_omap44xx())
+        if (bank->method == METHOD_GPIO_44XX)
                reg += OMAP4_GPIO_DEBOUNCENABLE;
        else
                reg += OMAP24XX_GPIO_DEBOUNCE_EN;
@@ -660,12 +521,10 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio,
        if (debounce) {
                val |= l;
-                if (cpu_is_omap34xx() || cpu_is_omap44xx())
+                clk_enable(bank->dbck);
-                        clk_enable(bank->dbck);
        } else {
                val &= ~l;
-                if (cpu_is_omap34xx() || cpu_is_omap44xx())
+                clk_disable(bank->dbck);
-                        clk_disable(bank->dbck);
        }
        bank->dbck_enable_mask = val;
@@ -1537,7 +1396,8 @@ static struct platform_device omap_mpuio_device = {
 static inline void mpuio_init(void)
 {
-        platform_set_drvdata(&omap_mpuio_device, &gpio_bank_1610[0]);
+        struct gpio_bank *bank = get_gpio_bank(OMAP_MPUIO(0));
+        platform_set_drvdata(&omap_mpuio_device, bank);
        if (platform_driver_register(&omap_mpuio_driver) == 0)
                (void) platform_device_register(&omap_mpuio_device);
@@ -1642,6 +1502,13 @@ static int gpio_debounce(struct gpio_chip *chip, unsigned offset,
        unsigned long flags;
        bank = container_of(chip, struct gpio_bank, chip);
+        if (!bank->dbck) {
+                bank->dbck = clk_get(bank->dev, "dbclk");
+                if (IS_ERR(bank->dbck))
+                        dev_err(bank->dev, "Could not get gpio dbck\n");
+        }
        spin_lock_irqsave(&bank->lock, flags);
        _set_gpio_debounce(bank, offset, debounce);
        spin_unlock_irqrestore(&bank->lock, flags);
@@ -1670,24 +1537,6 @@ static int gpio_2irq(struct gpio_chip *chip, unsigned offset)
 /*---------------------------------------------------------------------*/
-static int initialized;
-#if defined(CONFIG_ARCH_OMAP1) || defined(CONFIG_ARCH_OMAP2)
-static struct clk * gpio_ick;
-#endif
-#if defined(CONFIG_ARCH_OMAP2)
-static struct clk * gpio_fck;
-#endif
-#if defined(CONFIG_ARCH_OMAP2430)
-static struct clk * gpio5_ick;
-static struct clk * gpio5_fck;
-#endif
-#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
-static struct clk *gpio_iclks[OMAP34XX_NR_GPIOS];
-#endif
 static void __init omap_gpio_show_rev(struct gpio_bank *bank)
 {
        u32 rev;
@@ -1710,6 +1559,19 @@ static void __init omap_gpio_show_rev(struct gpio_bank *bank)
 */
 static struct lock_class_key gpio_lock_class;
+static inline int init_gpio_info(struct platform_device *pdev)
+{
+        /* TODO: Analyze removing gpio_bank_count usage from driver code */
+        gpio_bank = kzalloc(gpio_bank_count * sizeof(struct gpio_bank),
+                                GFP_KERNEL);
+        if (!gpio_bank) {
+                dev_err(&pdev->dev, "Memory alloc failed for gpio_bank\n");
+                return -ENOMEM;
+        }
+        return 0;
+}
+/* TODO: Cleanup cpu_is_* checks */
 static void omap_gpio_mod_init(struct gpio_bank *bank, int id)
 {
        if (cpu_class_is_omap2()) {
@@ -1773,16 +1635,9 @@ static void omap_gpio_mod_init(struct gpio_bank *bank, int id)
 static void __init omap_gpio_chip_init(struct gpio_bank *bank)
 {
-        int j, bank_width = 16;
+        int j;
        static int gpio;
-        if (cpu_is_omap7xx() && bank->method == METHOD_GPIO_7XX)
-                bank_width = 32; /* 7xx has 32-bit GPIOs */
-        if ((bank->method == METHOD_GPIO_24XX) ||
-                        (bank->method == METHOD_GPIO_44XX))
-                bank_width = 32;
        bank->mod_usage = 0;
        /*
         * REVISIT eventually switch from OMAP-specific gpio structs
@@ -1826,139 +1681,68 @@ static void __init omap_gpio_chip_init(struct gpio_bank *bank)
        set_irq_data(bank->irq, bank);
 }
-static int __init _omap_gpio_init(void)
+static int __devinit omap_gpio_probe(struct platform_device *pdev)
 {
-        int i;
+        static int gpio_init_done;
+        struct omap_gpio_platform_data *pdata;
+        struct resource *res;
+        int id;
        struct gpio_bank *bank;
-        int bank_size = SZ_8K;  /* Module 4KB + L4 4KB except on omap1 */
-        char clk_name[11];
-        initialized = 1;
+        if (!pdev->dev.platform_data)
+                return -EINVAL;
-#if defined(CONFIG_ARCH_OMAP1)
+        pdata = pdev->dev.platform_data;
-        if (cpu_is_omap15xx()) {
-                gpio_ick = clk_get(NULL, "arm_gpio_ck");
-                if (IS_ERR(gpio_ick))
-                        printk("Could not get arm_gpio_ck\n");
-                else
-                        clk_enable(gpio_ick);
-        }
-#endif
-#if defined(CONFIG_ARCH_OMAP2)
-        if (cpu_class_is_omap2()) {
-                gpio_ick = clk_get(NULL, "gpios_ick");
-                if (IS_ERR(gpio_ick))
-                        printk("Could not get gpios_ick\n");
-                else
-                        clk_enable(gpio_ick);
-                gpio_fck = clk_get(NULL, "gpios_fck");
-                if (IS_ERR(gpio_fck))
-                        printk("Could not get gpios_fck\n");
-                else
-                        clk_enable(gpio_fck);
-                /*
+        if (!gpio_init_done) {
-                 * On 2430 & 3430 GPIO 5 uses CORE L4 ICLK
+                int ret;
-                 */
-#if defined(CONFIG_ARCH_OMAP2430)
-                if (cpu_is_omap2430()) {
-                        gpio5_ick = clk_get(NULL, "gpio5_ick");
-                        if (IS_ERR(gpio5_ick))
-                                printk("Could not get gpio5_ick\n");
-                        else
-                                clk_enable(gpio5_ick);
-                        gpio5_fck = clk_get(NULL, "gpio5_fck");
-                        if (IS_ERR(gpio5_fck))
-                                printk("Could not get gpio5_fck\n");
-                        else
-                                clk_enable(gpio5_fck);
-                }
-#endif
-        }
-#endif
-#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
+                ret = init_gpio_info(pdev);
-        if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
+                if (ret)
-                for (i = 0; i < OMAP34XX_NR_GPIOS; i++) {
+                        return ret;
-                        sprintf(clk_name, "gpio%d_ick", i + 1);
-                        gpio_iclks[i] = clk_get(NULL, clk_name);
-                        if (IS_ERR(gpio_iclks[i]))
-                                printk(KERN_ERR "Could not get %s\n", clk_name);
-                        else
-                                clk_enable(gpio_iclks[i]);
-                }
        }
-#endif
+        id = pdev->id;
+        bank = &gpio_bank[id];
-#ifdef CONFIG_ARCH_OMAP15XX
+        res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-        if (cpu_is_omap15xx()) {
+        if (unlikely(!res)) {
-                gpio_bank_count = 2;
+                dev_err(&pdev->dev, "GPIO Bank %i Invalid IRQ resource\n", id);
-                gpio_bank = gpio_bank_1510;
+                return -ENODEV;
-                bank_size = SZ_2K;
-        }
-#endif
-#if defined(CONFIG_ARCH_OMAP16XX)
-        if (cpu_is_omap16xx()) {
-                gpio_bank_count = 5;
-                gpio_bank = gpio_bank_1610;
-                bank_size = SZ_2K;
-        }
-#endif
-#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
-        if (cpu_is_omap7xx()) {
-                gpio_bank_count = 7;
-                gpio_bank = gpio_bank_7xx;
-                bank_size = SZ_2K;
-        }
-#endif
-#ifdef CONFIG_ARCH_OMAP2
-        if (cpu_is_omap242x()) {
-                gpio_bank_count = 4;
-                gpio_bank = gpio_bank_242x;
-        }
-        if (cpu_is_omap243x()) {
-                gpio_bank_count = 5;
-                gpio_bank = gpio_bank_243x;
-        }
-#endif
-#ifdef CONFIG_ARCH_OMAP3
-        if (cpu_is_omap34xx()) {
-                gpio_bank_count = OMAP34XX_NR_GPIOS;
-                gpio_bank = gpio_bank_34xx;
-        }
-#endif
-#ifdef CONFIG_ARCH_OMAP4
-        if (cpu_is_omap44xx()) {
-                gpio_bank_count = OMAP34XX_NR_GPIOS;
-                gpio_bank = gpio_bank_44xx;
        }
-#endif
-        for (i = 0; i < gpio_bank_count; i++) {
-                bank = &gpio_bank[i];
+        bank->irq = res->start;
-                spin_lock_init(&bank->lock);
+        bank->virtual_irq_start = pdata->virtual_irq_start;
+        bank->method = pdata->bank_type;
+        bank->dev = &pdev->dev;
+        bank->dbck_flag = pdata->dbck_flag;
+        bank_width = pdata->bank_width;
-                /* Static mapping, never released */
+        spin_lock_init(&bank->lock);
-                bank->base = ioremap(bank->pbase, bank_size);
-                if (!bank->base) {
-                        printk(KERN_ERR "Could not ioremap gpio bank%i\n", i);
-                        continue;
-                }
-                omap_gpio_mod_init(bank, i);
+        /* Static mapping, never released */
-                omap_gpio_chip_init(bank);
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (unlikely(!res)) {
+                dev_err(&pdev->dev, "GPIO Bank %i Invalid mem resource\n", id);
+                return -ENODEV;
+        }
-                if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
+        bank->base = ioremap(res->start, resource_size(res));
-                        sprintf(clk_name, "gpio%d_dbck", i + 1);
+        if (!bank->base) {
-                        bank->dbck = clk_get(NULL, clk_name);
+                dev_err(&pdev->dev, "Could not ioremap gpio bank%i\n", id);
-                        if (IS_ERR(bank->dbck))
+                return -ENOMEM;
-                                printk(KERN_ERR "Could not get %s\n", clk_name);
-                }
        }
+        pm_runtime_enable(bank->dev);
+        pm_runtime_get_sync(bank->dev);
+        omap_gpio_mod_init(bank, id);
+        omap_gpio_chip_init(bank);
        omap_gpio_show_rev(bank);
+        if (!gpio_init_done)
+                gpio_init_done = 1;
        return 0;
 }
@@ -2252,8 +2036,6 @@ void omap_gpio_save_context(void)
        /* saving banks from 2-6 only since GPIO1 is in WKUP */
        for (i = 1; i < gpio_bank_count; i++) {
                struct gpio_bank *bank = &gpio_bank[i];
-                gpio_context[i].sysconfig =
-                        __raw_readl(bank->base + OMAP24XX_GPIO_SYSCONFIG);
                gpio_context[i].irqenable1 =
                        __raw_readl(bank->base + OMAP24XX_GPIO_IRQENABLE1);
                gpio_context[i].irqenable2 =
@@ -2284,8 +2066,6 @@ void omap_gpio_restore_context(void)
        for (i = 1; i < gpio_bank_count; i++) {
                struct gpio_bank *bank = &gpio_bank[i];
-                __raw_writel(gpio_context[i].sysconfig,
-                                bank->base + OMAP24XX_GPIO_SYSCONFIG);
                __raw_writel(gpio_context[i].irqenable1,
                                bank->base + OMAP24XX_GPIO_IRQENABLE1);
                __raw_writel(gpio_context[i].irqenable2,
@@ -2310,25 +2090,28 @@ void omap_gpio_restore_context(void)
 }
 #endif
+static struct platform_driver omap_gpio_driver = {
+        .probe          = omap_gpio_probe,
+        .driver         = {
+                .name   = "omap_gpio",
+        },
+};
 /*
- * This may get called early from board specific init
+ * gpio driver register needs to be done before
- * for boards that have interrupts routed via FPGA.
+ * machine_init functions access gpio APIs.
+ * Hence omap_gpio_drv_reg() is a postcore_initcall.
 */
-int __init omap_gpio_init(void)
+static int __init omap_gpio_drv_reg(void)
 {
-        if (!initialized)
+        return platform_driver_register(&omap_gpio_driver);
-                return _omap_gpio_init();
-        else
-                return 0;
 }
+postcore_initcall(omap_gpio_drv_reg);
 static int __init omap_gpio_sysinit(void)
 {
        int ret = 0;
-        if (!initialized)
-                ret = _omap_gpio_init();
        mpuio_init();
 #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2PLUS)
diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h
index 24892a6707c4..5f118ff0d3eb 100644
--- a/arch/arm/plat-omap/include/plat/gpio.h
+++ b/arch/arm/plat-omap/include/plat/gpio.h
@@ -94,7 +94,6 @@ struct omap_gpio_platform_data {
 /* TODO: Analyze removing gpio_bank_count usage from driver code */
 extern int gpio_bank_count;
-extern int omap_gpio_init(void);        /* Call from board init only */
 extern void omap2_gpio_prepare_for_idle(int power_state);
 extern void omap2_gpio_resume_after_idle(void);
 extern void omap_set_gpio_debounce(int gpio, int enable);