mirror of
https://github.com/openwrt/openwrt.git
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233 lines
6.7 KiB
Diff
233 lines
6.7 KiB
Diff
Migrate all ixp4xx devices to the bitbanging I2C bus driver utilizing
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the arch-neutral GPIO API (linux/i2c-gpio.h).
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Tested by the nslu2-linux and openwrt projects in public firmware releases.
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Acked-by: Rod Whitby <rod@whitby.id.au>
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Signed-off-by: Michael-Luke Jones <mlj28@cam.ac.uk>
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Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/nslu2-setup.c
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===================================================================
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--- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/nslu2-setup.c
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+++ linux-2.6.23.17/arch/arm/mach-ixp4xx/nslu2-setup.c
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@@ -18,6 +18,7 @@
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#include <linux/serial.h>
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#include <linux/serial_8250.h>
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#include <linux/leds.h>
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+#include <linux/i2c-gpio.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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@@ -41,7 +42,7 @@ static struct platform_device nslu2_flas
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.resource = &nslu2_flash_resource,
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};
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-static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = {
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+static struct i2c_gpio_platform_data nslu2_i2c_gpio_data = {
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.sda_pin = NSLU2_SDA_PIN,
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.scl_pin = NSLU2_SCL_PIN,
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};
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@@ -82,11 +83,12 @@ static struct platform_device nslu2_leds
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};
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#endif
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-static struct platform_device nslu2_i2c_controller = {
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- .name = "IXP4XX-I2C",
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+static struct platform_device nslu2_i2c_gpio = {
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+ .name = "i2c-gpio",
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.id = 0,
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- .dev.platform_data = &nslu2_i2c_gpio_pins,
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- .num_resources = 0,
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+ .dev = {
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+ .platform_data = &nslu2_i2c_gpio_data,
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+ },
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};
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static struct platform_device nslu2_beeper = {
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@@ -139,7 +141,7 @@ static struct platform_device nslu2_uart
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};
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static struct platform_device *nslu2_devices[] __initdata = {
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- &nslu2_i2c_controller,
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+ &nslu2_i2c_gpio,
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&nslu2_flash,
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&nslu2_beeper,
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#ifdef CONFIG_LEDS_IXP4XX
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Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/nas100d-setup.c
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===================================================================
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--- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/nas100d-setup.c
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+++ linux-2.6.23.17/arch/arm/mach-ixp4xx/nas100d-setup.c
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@@ -16,6 +16,7 @@
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#include <linux/serial.h>
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#include <linux/serial_8250.h>
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#include <linux/leds.h>
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+#include <linux/i2c-gpio.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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@@ -68,16 +69,17 @@ static struct platform_device nas100d_le
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};
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#endif
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-static struct ixp4xx_i2c_pins nas100d_i2c_gpio_pins = {
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+static struct i2c_gpio_platform_data nas100d_i2c_gpio_data = {
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.sda_pin = NAS100D_SDA_PIN,
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.scl_pin = NAS100D_SCL_PIN,
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};
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-static struct platform_device nas100d_i2c_controller = {
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- .name = "IXP4XX-I2C",
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+static struct platform_device nas100d_i2c_gpio = {
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+ .name = "i2c-gpio",
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.id = 0,
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- .dev.platform_data = &nas100d_i2c_gpio_pins,
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- .num_resources = 0,
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+ .dev = {
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+ .platform_data = &nas100d_i2c_gpio_data,
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+ },
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};
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static struct resource nas100d_uart_resources[] = {
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@@ -124,7 +126,7 @@ static struct platform_device nas100d_ua
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};
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static struct platform_device *nas100d_devices[] __initdata = {
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- &nas100d_i2c_controller,
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+ &nas100d_i2c_gpio,
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&nas100d_flash,
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#ifdef CONFIG_LEDS_IXP4XX
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&nas100d_leds,
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Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/avila-setup.c
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===================================================================
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--- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/avila-setup.c
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+++ linux-2.6.23.17/arch/arm/mach-ixp4xx/avila-setup.c
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@@ -18,6 +18,7 @@
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#include <linux/tty.h>
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#include <linux/serial_8250.h>
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#include <linux/slab.h>
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+#include <linux/i2c-gpio.h>
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#include <asm/types.h>
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#include <asm/setup.h>
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@@ -47,18 +48,17 @@ static struct platform_device avila_flas
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.resource = &avila_flash_resource,
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};
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-static struct ixp4xx_i2c_pins avila_i2c_gpio_pins = {
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+static struct i2c_gpio_platform_data avila_i2c_gpio_data = {
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.sda_pin = AVILA_SDA_PIN,
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.scl_pin = AVILA_SCL_PIN,
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};
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-static struct platform_device avila_i2c_controller = {
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- .name = "IXP4XX-I2C",
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+static struct platform_device avila_i2c_gpio = {
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+ .name = "i2c-gpio",
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.id = 0,
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- .dev = {
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- .platform_data = &avila_i2c_gpio_pins,
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+ .dev = {
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+ .platform_data = &avila_i2c_gpio_data,
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},
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- .num_resources = 0
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};
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static struct resource avila_uart_resources[] = {
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@@ -133,7 +133,7 @@ static struct platform_device avila_pata
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};
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static struct platform_device *avila_devices[] __initdata = {
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- &avila_i2c_controller,
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+ &avila_i2c_gpio,
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&avila_flash,
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&avila_uart
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};
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Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/dsmg600-setup.c
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===================================================================
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--- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/dsmg600-setup.c
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+++ linux-2.6.23.17/arch/arm/mach-ixp4xx/dsmg600-setup.c
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@@ -14,6 +14,7 @@
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#include <linux/kernel.h>
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#include <linux/serial.h>
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#include <linux/serial_8250.h>
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+#include <linux/i2c-gpio.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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@@ -37,15 +38,17 @@ static struct platform_device dsmg600_fl
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.resource = &dsmg600_flash_resource,
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};
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-static struct ixp4xx_i2c_pins dsmg600_i2c_gpio_pins = {
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+static struct i2c_gpio_platform_data dsmg600_i2c_gpio_data = {
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.sda_pin = DSMG600_SDA_PIN,
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.scl_pin = DSMG600_SCL_PIN,
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};
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-static struct platform_device dsmg600_i2c_controller = {
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- .name = "IXP4XX-I2C",
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+static struct platform_device dsmg600_i2c_gpio = {
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+ .name = "i2c-gpio",
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.id = 0,
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- .dev.platform_data = &dsmg600_i2c_gpio_pins,
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+ .dev = {
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+ .platform_data = &dsmg600_i2c_gpio_data,
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+ },
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};
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#ifdef CONFIG_LEDS_CLASS
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@@ -116,7 +119,7 @@ static struct platform_device dsmg600_ua
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};
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static struct platform_device *dsmg600_devices[] __initdata = {
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- &dsmg600_i2c_controller,
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+ &dsmg600_i2c_gpio,
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&dsmg600_flash,
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};
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Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/ixdp425-setup.c
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===================================================================
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--- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/ixdp425-setup.c
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+++ linux-2.6.23.17/arch/arm/mach-ixp4xx/ixdp425-setup.c
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@@ -15,6 +15,7 @@
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#include <linux/tty.h>
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#include <linux/serial_8250.h>
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#include <linux/slab.h>
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+#include <linux/i2c-gpio.h>
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#include <linux/io.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/nand.h>
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@@ -120,18 +121,17 @@ static struct platform_device ixdp425_fl
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};
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#endif /* CONFIG_MTD_NAND_PLATFORM */
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-static struct ixp4xx_i2c_pins ixdp425_i2c_gpio_pins = {
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+static struct i2c_gpio_platform_data ixdp425_i2c_gpio_data = {
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.sda_pin = IXDP425_SDA_PIN,
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.scl_pin = IXDP425_SCL_PIN,
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};
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-static struct platform_device ixdp425_i2c_controller = {
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- .name = "IXP4XX-I2C",
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+static struct platform_device ixdp425_i2c_gpio = {
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+ .name = "i2c-gpio",
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.id = 0,
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- .dev = {
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- .platform_data = &ixdp425_i2c_gpio_pins,
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+ .dev = {
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+ .platform_data = &ixdp425_i2c_gpio_data,
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},
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- .num_resources = 0
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};
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static struct resource ixdp425_uart_resources[] = {
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@@ -178,7 +178,7 @@ static struct platform_device ixdp425_ua
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};
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static struct platform_device *ixdp425_devices[] __initdata = {
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- &ixdp425_i2c_controller,
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+ &ixdp425_i2c_gpio,
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&ixdp425_flash,
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#if defined(CONFIG_MTD_NAND_PLATFORM) || \
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defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
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