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I2C driver for IMX

PATCH Superseded Darius 1 participant 1 message Jun 17, 2008

Subsystems (5)
Arm (32-bit) Arm sub-architectures Arm i.MX and Layerscape I2C subsystem host drivers +1 more subsystems

v7 of 12 Superseded Latest is v12 →

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Darius

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PATCH v7 1/1 I2C driver for IMX

Changes from V6 version:

- Debug print fixed
- Function prototypes removed

Ben, can you put my patch to Linus git?

Signed-off-by Darius Augulis <[email protected]>

---

arch/arm/mach-imx/mx1ads.c +21 -0
Index: linux-2.6.26-rc4/arch/arm/mach-imx/mx1ads.c
===================================================================
@@ -109,10 +109,31 @@ static struct platform_device imx_uart2_
 	}
 };
 
+static struct resource imx_i2c_resources[] = {
+	[0] = {
+		.start  = 0x00217000,
+		.end    = 0x00217010,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = I2C_INT,
+		.end    = I2C_INT,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device imx_i2c_device = {
+	.name           = "imx-i2c",
+	.id             = 0,
+	.resource       = imx_i2c_resources,
+	.num_resources  = ARRAY_SIZE(imx_i2c_resources),
+};
+
 static struct platform_device *devices[] __initdata = {
 	&cs89x0_device,
 	&imx_uart1_device,
 	&imx_uart2_device,
+	&imx_i2c_device,
 };
 
 #ifdef CONFIG_MMC_IMX
drivers/i2c/busses/i2c-imx.c new file +629 -0

629 lines not on this page · raw message

drivers/i2c/busses/Kconfig +10 -0
Index: linux-2.6.26-rc4/drivers/i2c/busses/Kconfig
===================================================================
@@ -257,6 +257,16 @@ config I2C_IBM_IIC
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-ibm_iic.
 
+config I2C_IMX
+	tristate "IMX I2C interface"
+	depends on ARCH_IMX
+	help
+	  Say Y here if you want to use the IIC bus controller on
+	  the Freescale i.MXL and i.MX1 processors.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called i2c-imx.
+
 config I2C_IOP3XX
 	tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
 	depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
drivers/i2c/busses/Makefile +1 -0
Index: linux-2.6.26-rc4/drivers/i2c/busses/Makefile
===================================================================
@@ -18,6 +18,7 @@ obj-$(CONFIG_I2C_HYDRA)		+= i2c-hydra.o
 obj-$(CONFIG_I2C_I801)		+= i2c-i801.o
 obj-$(CONFIG_I2C_I810)		+= i2c-i810.o
 obj-$(CONFIG_I2C_IBM_IIC)	+= i2c-ibm_iic.o
+obj-$(CONFIG_I2C_IMX)		+= i2c-imx.o
 obj-$(CONFIG_I2C_IOP3XX)	+= i2c-iop3xx.o
 obj-$(CONFIG_I2C_IXP2000)	+= i2c-ixp2000.o
 obj-$(CONFIG_I2C_POWERMAC)	+= i2c-powermac.o

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