ARM: orion: Consolidate I2C initialization.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>

6 files changed, 67 insertions, 158 deletions

diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c
index 1d878ce69d93..198760b1b17d 100644
--- a/arch/arm/mach-dove/common.c
+++ b/arch/arm/mach-dove/common.c
@@ -16,7 +16,6 @@
 #include <linux/serial_8250.h>
 #include <linux/clk.h>
 #include <linux/mbus.h>
-#include <linux/mv643xx_i2c.h>
 #include <linux/ata_platform.h>
 #include <linux/serial_8250.h>
 #include <linux/spi/orion_spi.h>
@@ -305,39 +304,9 @@ void __init dove_spi1_init(void)
 /*****************************************************************************
  * I2C
  ****************************************************************************/
-static struct mv64xxx_i2c_pdata dove_i2c_data = {
-        .freq_m         = 10, /* assumes 166 MHz TCLK gets 94.3kHz */
-        .freq_n         = 3,
-        .timeout        = 1000, /* Default timeout of 1 second */
-};
-
-static struct resource dove_i2c_resources[] = {
-        {
-                .name   = "i2c base",
-                .start  = DOVE_I2C_PHYS_BASE,
-                .end    = DOVE_I2C_PHYS_BASE + 0x20 - 1,
-                .flags  = IORESOURCE_MEM,
-        }, {
-                .name   = "i2c irq",
-                .start  = IRQ_DOVE_I2C,
-                .end    = IRQ_DOVE_I2C,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-
-static struct platform_device dove_i2c = {
-        .name           = MV64XXX_I2C_CTLR_NAME,
-        .id             = 0,
-        .num_resources  = ARRAY_SIZE(dove_i2c_resources),
-        .resource       = dove_i2c_resources,
-        .dev            = {
-                .platform_data = &dove_i2c_data,
-        },
-};
-
 void __init dove_i2c_init(void)
 {
-        platform_device_register(&dove_i2c);
+        orion_i2c_init(DOVE_I2C_PHYS_BASE, IRQ_DOVE_I2C, 10);
 }
 
 /*****************************************************************************
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 485f3b9ba4e2..fc86a80ef565 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -13,7 +13,6 @@
 #include <linux/platform_device.h>
 #include <linux/serial_8250.h>
 #include <linux/mbus.h>
-#include <linux/mv643xx_i2c.h>
 #include <linux/ata_platform.h>
 #include <linux/mtd/nand.h>
 #include <linux/spi/orion_spi.h>
@@ -324,37 +323,9 @@ void __init kirkwood_spi_init()
 /*****************************************************************************
  * I2C
  ****************************************************************************/
-static struct mv64xxx_i2c_pdata kirkwood_i2c_pdata = {
-        .freq_m         = 8, /* assumes 166 MHz TCLK */
-        .freq_n         = 3,
-        .timeout        = 1000, /* Default timeout of 1 second */
-};
-
-static struct resource kirkwood_i2c_resources[] = {
-        {
-                .start  = I2C_PHYS_BASE,
-                .end    = I2C_PHYS_BASE + 0x1f,
-                .flags  = IORESOURCE_MEM,
-        }, {
-                .start  = IRQ_KIRKWOOD_TWSI,
-                .end    = IRQ_KIRKWOOD_TWSI,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-
-static struct platform_device kirkwood_i2c = {
-        .name           = MV64XXX_I2C_CTLR_NAME,
-        .id             = 0,
-        .num_resources  = ARRAY_SIZE(kirkwood_i2c_resources),
-        .resource       = kirkwood_i2c_resources,
-        .dev            = {
-                .platform_data  = &kirkwood_i2c_pdata,
-        },
-};
-
 void __init kirkwood_i2c_init(void)
 {
-        platform_device_register(&kirkwood_i2c);
+        orion_i2c_init(I2C_PHYS_BASE, IRQ_KIRKWOOD_TWSI, 8);
 }
 
 
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c
index 0fd9a8329910..aa27c154cd0d 100644
--- a/arch/arm/mach-mv78xx0/common.c
+++ b/arch/arm/mach-mv78xx0/common.c
@@ -13,7 +13,6 @@
 #include <linux/platform_device.h>
 #include <linux/serial_8250.h>
 #include <linux/mbus.h>
-#include <linux/mv643xx_i2c.h>
 #include <linux/ata_platform.h>
 #include <linux/ethtool.h>
 #include <asm/mach/map.h>
@@ -346,75 +345,12 @@ void __init mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data)
 }
 
 /*****************************************************************************
- * I2C bus 0
+ * I2C
  ****************************************************************************/
-
-static struct mv64xxx_i2c_pdata mv78xx0_i2c_0_pdata = {
-        .freq_m         = 8, /* assumes 166 MHz TCLK */
-        .freq_n         = 3,
-        .timeout        = 1000, /* Default timeout of 1 second */
-};
-
-static struct resource mv78xx0_i2c_0_resources[] = {
-        {
-                .start  = I2C_0_PHYS_BASE,
-                .end    = I2C_0_PHYS_BASE + 0x1f,
-                .flags  = IORESOURCE_MEM,
-        }, {
-                .start  = IRQ_MV78XX0_I2C_0,
-                .end    = IRQ_MV78XX0_I2C_0,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-
-
-static struct platform_device mv78xx0_i2c_0 = {
-        .name           = MV64XXX_I2C_CTLR_NAME,
-        .id             = 0,
-        .num_resources  = ARRAY_SIZE(mv78xx0_i2c_0_resources),
-        .resource       = mv78xx0_i2c_0_resources,
-        .dev            = {
-                .platform_data  = &mv78xx0_i2c_0_pdata,
-        },
-};
-
-/*****************************************************************************
- * I2C bus 1
- ****************************************************************************/
-
-static struct mv64xxx_i2c_pdata mv78xx0_i2c_1_pdata = {
-        .freq_m         = 8, /* assumes 166 MHz TCLK */
-        .freq_n         = 3,
-        .timeout        = 1000, /* Default timeout of 1 second */
-};
-
-static struct resource mv78xx0_i2c_1_resources[] = {
-        {
-                .start  = I2C_1_PHYS_BASE,
-                .end    = I2C_1_PHYS_BASE + 0x1f,
-                .flags  = IORESOURCE_MEM,
-        }, {
-                .start  = IRQ_MV78XX0_I2C_1,
-                .end    = IRQ_MV78XX0_I2C_1,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-
-
-static struct platform_device mv78xx0_i2c_1 = {
-        .name           = MV64XXX_I2C_CTLR_NAME,
-        .id             = 1,
-        .num_resources  = ARRAY_SIZE(mv78xx0_i2c_1_resources),
-        .resource       = mv78xx0_i2c_1_resources,
-        .dev            = {
-                .platform_data  = &mv78xx0_i2c_1_pdata,
-        },
-};
-
 void __init mv78xx0_i2c_init(void)
 {
-        platform_device_register(&mv78xx0_i2c_0);
-        platform_device_register(&mv78xx0_i2c_1);
+        orion_i2c_init(I2C_0_PHYS_BASE, IRQ_MV78XX0_I2C_0, 8);
+        orion_i2c_1_init(I2C_1_PHYS_BASE, IRQ_MV78XX0_I2C_1, 8);
 }
 
 /*****************************************************************************
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index 0a1c7600004e..9af0b88573ae 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -169,37 +169,10 @@ void __init orion5x_eth_switch_init(struct dsa_platform_data *d, int irq)
 /*****************************************************************************
  * I2C
  ****************************************************************************/
-static struct mv64xxx_i2c_pdata orion5x_i2c_pdata = {
-        .freq_m         = 8, /* assumes 166 MHz TCLK */
-        .freq_n         = 3,
-        .timeout        = 1000, /* Default timeout of 1 second */
-};
-
-static struct resource orion5x_i2c_resources[] = {
-        {
-                .start  = I2C_PHYS_BASE,
-                .end    = I2C_PHYS_BASE + 0x1f,
-                .flags  = IORESOURCE_MEM,
-        }, {
-                .start  = IRQ_ORION5X_I2C,
-                .end    = IRQ_ORION5X_I2C,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-
-static struct platform_device orion5x_i2c = {
-        .name           = MV64XXX_I2C_CTLR_NAME,
-        .id             = 0,
-        .num_resources  = ARRAY_SIZE(orion5x_i2c_resources),
-        .resource       = orion5x_i2c_resources,
-        .dev            = {
-                .platform_data  = &orion5x_i2c_pdata,
-        },
-};
-
 void __init orion5x_i2c_init(void)
 {
-        platform_device_register(&orion5x_i2c);
+        orion_i2c_init(I2C_PHYS_BASE, IRQ_ORION5X_I2C, 8);
+
 }
 
 
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
index 15c3f353a9b5..bcc1734c91a8 100644
--- a/arch/arm/plat-orion/common.c
+++ b/arch/arm/plat-orion/common.c
@@ -15,6 +15,7 @@
 #include <linux/serial_8250.h>
 #include <linux/mbus.h>
 #include <linux/mv643xx_eth.h>
+#include <linux/mv643xx_i2c.h>
 #include <net/dsa.h>
 
 /* Fill in the resources structure and link it into the platform
@@ -463,3 +464,56 @@ void __init orion_ge00_switch_init(struct dsa_platform_data *d, int irq)
 
         platform_device_register(&orion_switch_device);
 }
+
+/*****************************************************************************
+ * I2C
+ ****************************************************************************/
+static struct mv64xxx_i2c_pdata orion_i2c_pdata = {
+        .freq_n         = 3,
+        .timeout        = 1000, /* Default timeout of 1 second */
+};
+
+static struct resource orion_i2c_resources[2];
+
+static struct platform_device orion_i2c = {
+        .name           = MV64XXX_I2C_CTLR_NAME,
+        .id             = 0,
+        .dev            = {
+                .platform_data  = &orion_i2c_pdata,
+        },
+};
+
+static struct mv64xxx_i2c_pdata orion_i2c_1_pdata = {
+        .freq_n         = 3,
+        .timeout        = 1000, /* Default timeout of 1 second */
+};
+
+static struct resource orion_i2c_1_resources[2];
+
+static struct platform_device orion_i2c_1 = {
+        .name           = MV64XXX_I2C_CTLR_NAME,
+        .id             = 1,
+        .dev            = {
+                .platform_data  = &orion_i2c_1_pdata,
+        },
+};
+
+void __init orion_i2c_init(unsigned long mapbase,
+                           unsigned long irq,
+                           unsigned long freq_m)
+{
+        orion_i2c_pdata.freq_m = freq_m;
+        fill_resources(&orion_i2c, orion_i2c_resources, mapbase,
+                       SZ_32 - 1, irq);
+        platform_device_register(&orion_i2c);
+}
+
+void __init orion_i2c_1_init(unsigned long mapbase,
+                             unsigned long irq,
+                             unsigned long freq_m)
+{
+        orion_i2c_1_pdata.freq_m = freq_m;
+        fill_resources(&orion_i2c_1, orion_i2c_1_resources, mapbase,
+                       SZ_32 - 1, irq);
+        platform_device_register(&orion_i2c_1);
+}
diff --git a/arch/arm/plat-orion/include/plat/common.h b/arch/arm/plat-orion/include/plat/common.h
index 3f23258daa61..d107c62d3912 100644
--- a/arch/arm/plat-orion/include/plat/common.h
+++ b/arch/arm/plat-orion/include/plat/common.h
@@ -66,5 +66,11 @@ void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data,
 
 void __init orion_ge00_switch_init(struct dsa_platform_data *d,
                                    int irq);
+void __init orion_i2c_init(unsigned long mapbase,
+                           unsigned long irq,
+                           unsigned long freq_m);
 
+void __init orion_i2c_1_init(unsigned long mapbase,
+                             unsigned long irq,
+                             unsigned long freq_m);
 #endif