[PATCH 05/14] [orion] Consolidate I2C initialization.
From: andrew@lunn.ch (Andrew Lunn)
Date: 2011-05-08 14:15:32
Subsystem:
arm port, arm/marvell dove/mv78xx0/orion soc support, the rest · Maintainers:
Russell King, Andrew Lunn, Sebastian Hesselbarth, Gregory Clement, Linus Torvalds
Signed-off-by: Andrew Lunn <andrew@lunn.ch> --- arch/arm/mach-dove/common.c | 33 +------------- arch/arm/mach-kirkwood/common.c | 31 +------------ arch/arm/mach-mv78xx0/common.c | 70 +--------------------------- arch/arm/mach-orion5x/common.c | 31 +------------ arch/arm/plat-orion/common.c | 54 ++++++++++++++++++++++ arch/arm/plat-orion/include/plat/common.h | 6 +++ 6 files changed, 67 insertions(+), 158 deletions(-)
diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c
index 3d0b91a..a13056b 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 fdd8a39..50cbc50 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 1cbe211..425a410 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 e182fb4..4c21383 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 4487e0b..1e34a5a 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
@@ -467,3 +468,56 @@ 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 8da7696..58c65bf 100644
--- a/arch/arm/plat-orion/include/plat/common.h
+++ b/arch/arm/plat-orion/include/plat/common.h@@ -70,5 +70,11 @@ 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
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1.7.4.4