ARM: pxa: change gpio to platform device

Remove most gpio macros and change gpio driver to platform driver.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>

15 files changed, 74 insertions, 29 deletions

diff --git a/arch/arm/mach-mmp/aspenite.c b/arch/arm/mach-mmp/aspenite.c
index fb7dfc157a5c..edcbadad31c1 100644
--- a/arch/arm/mach-mmp/aspenite.c
+++ b/arch/arm/mach-mmp/aspenite.c
@@ -231,6 +231,7 @@ static void __init common_init(void)
         pxa168_add_nand(&aspenite_nand_info);
         pxa168_add_fb(&aspenite_lcd_info);
         pxa168_add_keypad(&aspenite_keypad_info);
+        platform_device_register(&pxa168_device_gpio);
 
         /* off-chip devices */
         platform_device_register(&smc91x_device);
diff --git a/arch/arm/mach-mmp/avengers_lite.c b/arch/arm/mach-mmp/avengers_lite.c
index 39f0878d64a0..c5d53e0742e9 100644
--- a/arch/arm/mach-mmp/avengers_lite.c
+++ b/arch/arm/mach-mmp/avengers_lite.c
@@ -38,6 +38,7 @@ static void __init avengers_lite_init(void)
 
         /* on-chip devices */
         pxa168_add_uart(2);
+        platform_device_register(&pxa168_device_gpio);
 }
 
 MACHINE_START(AVENGERS_LITE, "PXA168 Avengers lite Development Platform")
diff --git a/arch/arm/mach-mmp/brownstone.c b/arch/arm/mach-mmp/brownstone.c
index 983cfb15fbde..eb07565a06a3 100644
--- a/arch/arm/mach-mmp/brownstone.c
+++ b/arch/arm/mach-mmp/brownstone.c
@@ -202,6 +202,7 @@ static void __init brownstone_init(void)
         /* on-chip devices */
         mmp2_add_uart(1);
         mmp2_add_uart(3);
+        platform_device_register(&mmp2_device_gpio);
         mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info));
         mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */
         mmp2_add_sdhost(2, &mmp2_sdh_platdata_mmc2); /* eMMC */
diff --git a/arch/arm/mach-mmp/flint.c b/arch/arm/mach-mmp/flint.c
index a64c172082c4..c1f0aa88dd8a 100644
--- a/arch/arm/mach-mmp/flint.c
+++ b/arch/arm/mach-mmp/flint.c
@@ -110,6 +110,7 @@ static void __init flint_init(void)
         /* on-chip devices */
         mmp2_add_uart(1);
         mmp2_add_uart(2);
+        platform_device_register(&mmp2_device_gpio);
 
         /* off-chip devices */
         platform_device_register(&smc91x_device);
diff --git a/arch/arm/mach-mmp/gplugd.c b/arch/arm/mach-mmp/gplugd.c
index 69156568bc41..933420a7c3ba 100644
--- a/arch/arm/mach-mmp/gplugd.c
+++ b/arch/arm/mach-mmp/gplugd.c
@@ -184,6 +184,7 @@ static void __init gplugd_init(void)
         pxa168_add_uart(3);
         pxa168_add_ssp(0);
         pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(gplugd_i2c_board_info));
+        platform_device_register(&pxa168_device_gpio);
 
         pxa168_add_eth(&gplugd_eth_platform_data);
 }
diff --git a/arch/arm/mach-mmp/include/mach/gpio.h b/arch/arm/mach-mmp/include/mach/gpio.h
index 904466d7eb95..13219ebf5128 100644
--- a/arch/arm/mach-mmp/include/mach/gpio.h
+++ b/arch/arm/mach-mmp/include/mach/gpio.h
@@ -3,7 +3,6 @@
 
 #include <asm-generic/gpio.h>
 
-#define __gpio_is_inverted(gpio)        (0)
-#define __gpio_is_occupied(gpio)        (0)
+#include <mach/cputype.h>
 
 #endif /* __ASM_MACH_GPIO_H */
diff --git a/arch/arm/mach-mmp/include/mach/mmp2.h b/arch/arm/mach-mmp/include/mach/mmp2.h
index 2f7b2d3c2b18..cba22fed2265 100644
--- a/arch/arm/mach-mmp/include/mach/mmp2.h
+++ b/arch/arm/mach-mmp/include/mach/mmp2.h
@@ -32,6 +32,8 @@ extern struct pxa_device_desc mmp2_device_sdh3;
 extern struct pxa_device_desc mmp2_device_asram;
 extern struct pxa_device_desc mmp2_device_isram;
 
+extern struct platform_device mmp2_device_gpio;
+
 static inline int mmp2_add_uart(int id)
 {
         struct pxa_device_desc *d = NULL;
diff --git a/arch/arm/mach-mmp/include/mach/pxa168.h b/arch/arm/mach-mmp/include/mach/pxa168.h
index 7fb568d2845b..f9286089da3a 100644
--- a/arch/arm/mach-mmp/include/mach/pxa168.h
+++ b/arch/arm/mach-mmp/include/mach/pxa168.h
@@ -42,6 +42,8 @@ struct pxa168_usb_pdata {
 /* pdata can be NULL */
 int __init pxa168_add_usb_host(struct pxa168_usb_pdata *pdata);
 
+extern struct platform_device pxa168_device_gpio;
+
 static inline int pxa168_add_uart(int id)
 {
         struct pxa_device_desc *d = NULL;
diff --git a/arch/arm/mach-mmp/include/mach/pxa910.h b/arch/arm/mach-mmp/include/mach/pxa910.h
index 91be75591398..4de13abef7bb 100644
--- a/arch/arm/mach-mmp/include/mach/pxa910.h
+++ b/arch/arm/mach-mmp/include/mach/pxa910.h
@@ -21,6 +21,8 @@ extern struct pxa_device_desc pxa910_device_pwm3;
 extern struct pxa_device_desc pxa910_device_pwm4;
 extern struct pxa_device_desc pxa910_device_nand;
 
+extern struct platform_device pxa910_device_gpio;
+
 static inline int pxa910_add_uart(int id)
 {
         struct pxa_device_desc *d = NULL;
diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c
index 5dd1d4a6aeb9..1ed222d3e22b 100644
--- a/arch/arm/mach-mmp/mmp2.c
+++ b/arch/arm/mach-mmp/mmp2.c
@@ -13,6 +13,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/io.h>
+#include <linux/platform_device.h>
 
 #include <asm/hardware/cache-tauros2.h>
 
@@ -24,7 +25,6 @@
 #include <mach/irqs.h>
 #include <mach/dma.h>
 #include <mach/mfp.h>
-#include <mach/gpio-pxa.h>
 #include <mach/devices.h>
 #include <mach/mmp2.h>
 
@@ -33,8 +33,6 @@
 
 #define MFPR_VIRT_BASE  (APB_VIRT_BASE + 0x1e000)
 
-#define APMASK(i)       (GPIO_REGS_VIRT + BANK_OFF(i) + 0x9c)
-
 static struct mfp_addr_map mmp2_addr_map[] __initdata = {
 
         MFP_ADDR_X(GPIO0, GPIO58, 0x54),
@@ -101,12 +99,6 @@ static void __init mmp2_init_gpio(void)
 
         /* enable GPIO clock */
         __raw_writel(APBC_APBCLK | APBC_FNCLK, APBC_MMP2_GPIO);
-
-        /* unmask GPIO edge detection for all 6 banks -- APMASKx */
-        for (i = 0; i < 6; i++)
-                __raw_writel(0xffffffff, APMASK(i));
-
-        pxa_init_gpio(IRQ_MMP2_GPIO, 0, 167, NULL);
 }
 
 void __init mmp2_init_irq(void)
@@ -230,3 +222,21 @@ MMP2_DEVICE(asram, "asram", -1, NONE, 0xe0000000, 0x4000);
 /* 0xd1000000 ~ 0xd101ffff is reserved for secure processor */
 MMP2_DEVICE(isram, "isram", -1, NONE, 0xd1020000, 0x18000);
 
+struct resource mmp2_resource_gpio[] = {
+        {
+                .start  = 0xd4019000,
+                .end    = 0xd4019fff,
+                .flags  = IORESOURCE_MEM,
+        }, {
+                .start  = IRQ_MMP2_GPIO,
+                .end    = IRQ_MMP2_GPIO,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device mmp2_device_gpio = {
+        .name           = "pxa-gpio",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(mmp2_resource_gpio),
+        .resource       = mmp2_resource_gpio,
+};
diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c
index 76ca15c00e45..fefdfe59c07c 100644
--- a/arch/arm/mach-mmp/pxa168.c
+++ b/arch/arm/mach-mmp/pxa168.c
@@ -13,6 +13,7 @@
 #include <linux/list.h>
 #include <linux/io.h>
 #include <linux/clk.h>
+#include <linux/platform_device.h>
 
 #include <asm/mach/time.h>
 #include <mach/addr-map.h>
@@ -20,7 +21,6 @@
 #include <mach/regs-apbc.h>
 #include <mach/regs-apmu.h>
 #include <mach/irqs.h>
-#include <mach/gpio-pxa.h>
 #include <mach/dma.h>
 #include <mach/devices.h>
 #include <mach/mfp.h>
@@ -43,20 +43,12 @@ static struct mfp_addr_map pxa168_mfp_addr_map[] __initdata =
         MFP_ADDR_END,
 };
 
-#define APMASK(i)       (GPIO_REGS_VIRT + BANK_OFF(i) + 0x09c)
-
 static void __init pxa168_init_gpio(void)
 {
         int i;
 
         /* enable GPIO clock */
         __raw_writel(APBC_APBCLK | APBC_FNCLK, APBC_PXA168_GPIO);
-
-        /* unmask GPIO edge detection for all 4 banks - APMASKx */
-        for (i = 0; i < 4; i++)
-                __raw_writel(0xffffffff, APMASK(i));
-
-        pxa_init_gpio(IRQ_PXA168_GPIOX, 0, 127, NULL);
 }
 
 void __init pxa168_init_irq(void)
@@ -174,6 +166,25 @@ PXA168_DEVICE(fb, "pxa168-fb", -1, LCD, 0xd420b000, 0x1c8);
 PXA168_DEVICE(keypad, "pxa27x-keypad", -1, KEYPAD, 0xd4012000, 0x4c);
 PXA168_DEVICE(eth, "pxa168-eth", -1, MFU, 0xc0800000, 0x0fff);
 
+struct resource pxa168_resource_gpio[] = {
+        {
+                .start  = 0xd4019000,
+                .end    = 0xd4019fff,
+                .flags  = IORESOURCE_MEM,
+        }, {
+                .start  = IRQ_PXA168_GPIOX,
+                .end    = IRQ_PXA168_GPIOX,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device pxa168_device_gpio = {
+        .name           = "pxa-gpio",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(pxa168_resource_gpio),
+        .resource       = pxa168_resource_gpio,
+};
+
 struct resource pxa168_usb_host_resources[] = {
         /* USB Host conroller register base */
         [0] = {
diff --git a/arch/arm/mach-mmp/pxa910.c b/arch/arm/mach-mmp/pxa910.c
index 4ebbfbba39fc..7b992ced095c 100644
--- a/arch/arm/mach-mmp/pxa910.c
+++ b/arch/arm/mach-mmp/pxa910.c
@@ -12,6 +12,7 @@
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/io.h>
+#include <linux/platform_device.h>
 
 #include <asm/mach/time.h>
 #include <mach/addr-map.h>
@@ -19,7 +20,6 @@
 #include <mach/regs-apmu.h>
 #include <mach/cputype.h>
 #include <mach/irqs.h>
-#include <mach/gpio-pxa.h>
 #include <mach/dma.h>
 #include <mach/mfp.h>
 #include <mach/devices.h>
@@ -77,20 +77,12 @@ static struct mfp_addr_map pxa910_mfp_addr_map[] __initdata =
         MFP_ADDR_END,
 };
 
-#define APMASK(i)       (GPIO_REGS_VIRT + BANK_OFF(i) + 0x09c)
-
 static void __init pxa910_init_gpio(void)
 {
         int i;
 
         /* enable GPIO clock */
         __raw_writel(APBC_APBCLK | APBC_FNCLK, APBC_PXA910_GPIO);
-
-        /* unmask GPIO edge detection for all 4 banks - APMASKx */
-        for (i = 0; i < 4; i++)
-                __raw_writel(0xffffffff, APMASK(i));
-
-        pxa_init_gpio(IRQ_PXA910_AP_GPIO, 0, 127, NULL);
 }
 
 void __init pxa910_init_irq(void)
@@ -179,3 +171,22 @@ PXA910_DEVICE(pwm2, "pxa910-pwm", 1, NONE, 0xd401a400, 0x10);
 PXA910_DEVICE(pwm3, "pxa910-pwm", 2, NONE, 0xd401a800, 0x10);
 PXA910_DEVICE(pwm4, "pxa910-pwm", 3, NONE, 0xd401ac00, 0x10);
 PXA910_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x80, 97, 99);
+
+struct resource pxa910_resource_gpio[] = {
+        {
+                .start  = 0xd4019000,
+                .end    = 0xd4019fff,
+                .flags  = IORESOURCE_MEM,
+        }, {
+                .start  = IRQ_PXA910_AP_GPIO,
+                .end    = IRQ_PXA910_AP_GPIO,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device pxa910_device_gpio = {
+        .name           = "pxa-gpio",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(pxa910_resource_gpio),
+        .resource       = pxa910_resource_gpio,
+};
diff --git a/arch/arm/mach-mmp/tavorevb.c b/arch/arm/mach-mmp/tavorevb.c
index 331f5f358b59..bb2ddb72bca2 100644
--- a/arch/arm/mach-mmp/tavorevb.c
+++ b/arch/arm/mach-mmp/tavorevb.c
@@ -94,6 +94,7 @@ static void __init tavorevb_init(void)
 
         /* on-chip devices */
         pxa910_add_uart(1);
+        platform_device_register(&pxa910_device_gpio);
 
         /* off-chip devices */
         platform_device_register(&smc91x_device);
diff --git a/arch/arm/mach-mmp/teton_bga.c b/arch/arm/mach-mmp/teton_bga.c
index 825a01cdcccd..703de85b571c 100644
--- a/arch/arm/mach-mmp/teton_bga.c
+++ b/arch/arm/mach-mmp/teton_bga.c
@@ -78,6 +78,7 @@ static void __init teton_bga_init(void)
         pxa168_add_uart(1);
         pxa168_add_keypad(&teton_bga_keypad_info);
         pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info));
+        platform_device_register(&pxa168_device_gpio);
 }
 
 MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")
diff --git a/arch/arm/mach-mmp/ttc_dkb.c b/arch/arm/mach-mmp/ttc_dkb.c
index fac0d5d9d464..a80ed262df1c 100644
--- a/arch/arm/mach-mmp/ttc_dkb.c
+++ b/arch/arm/mach-mmp/ttc_dkb.c
@@ -123,6 +123,7 @@ static struct platform_device ttc_dkb_device_onenand = {
 };
 
 static struct platform_device *ttc_dkb_devices[] = {
+        &pxa910_device_gpio,
         &ttc_dkb_device_onenand,
 };