diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-s3c2410/mach-bast.c | 3 | ||||
-rw-r--r-- | arch/arm/mach-s3c2410/mach-n30.c | 3 | ||||
-rw-r--r-- | arch/arm/mach-s3c2412/mach-jive.c | 3 | ||||
-rw-r--r-- | arch/arm/plat-mxc/include/mach/i2c.h | 25 | ||||
-rw-r--r-- | arch/arm/plat-s3c/dev-i2c0.c | 7 | ||||
-rw-r--r-- | arch/arm/plat-s3c/dev-i2c1.c | 7 | ||||
-rw-r--r-- | arch/arm/plat-s3c/include/plat/iic.h | 33 | ||||
-rw-r--r-- | arch/powerpc/boot/dts/socrates.dts | 8 |
8 files changed, 57 insertions, 32 deletions
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c index 01bd76725b9..4389c160f7d 100644 --- a/arch/arm/mach-s3c2410/mach-bast.c +++ b/arch/arm/mach-s3c2410/mach-bast.c @@ -409,8 +409,7 @@ static struct platform_device bast_sio = { static struct s3c2410_platform_i2c __initdata bast_i2c_info = { .flags = 0, .slave_addr = 0x10, - .bus_freq = 100*1000, - .max_freq = 130*1000, + .frequency = 100*1000, }; /* Asix AX88796 10/100 ethernet controller */ diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c index 05a5e877b49..2b83f870771 100644 --- a/arch/arm/mach-s3c2410/mach-n30.c +++ b/arch/arm/mach-s3c2410/mach-n30.c @@ -340,8 +340,7 @@ static struct platform_device *n35_devices[] __initdata = { static struct s3c2410_platform_i2c n30_i2ccfg = { .flags = 0, .slave_addr = 0x10, - .bus_freq = 10*1000, - .max_freq = 10*1000, + .frequency = 10*1000, }; /* Lots of hardcoded stuff, but it sets up the hardware in a useful diff --git a/arch/arm/mach-s3c2412/mach-jive.c b/arch/arm/mach-s3c2412/mach-jive.c index 72c266aee14..332bd3263ea 100644 --- a/arch/arm/mach-s3c2412/mach-jive.c +++ b/arch/arm/mach-s3c2412/mach-jive.c @@ -453,8 +453,7 @@ static struct spi_board_info __initdata jive_spi_devs[] = { /* I2C bus and device configuration. */ static struct s3c2410_platform_i2c jive_i2c_cfg __initdata = { - .max_freq = 80 * 1000, - .bus_freq = 50 * 1000, + .frequency = 80 * 1000, .flags = S3C_IICFLG_FILTER, .sda_delay = 2, }; diff --git a/arch/arm/plat-mxc/include/mach/i2c.h b/arch/arm/plat-mxc/include/mach/i2c.h new file mode 100644 index 00000000000..4a5dc5c6d8e --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/i2c.h @@ -0,0 +1,25 @@ +/* + * i2c.h - i.MX I2C driver header file + * + * Copyright (c) 2008, Darius Augulis <augulis.darius@gmail.com> + * + * This file is released under the GPLv2 + */ + +#ifndef __ASM_ARCH_I2C_H_ +#define __ASM_ARCH_I2C_H_ + +/** + * struct imxi2c_platform_data - structure of platform data for MXC I2C driver + * @init: Initialise gpio's and other board specific things + * @exit: Free everything initialised by @init + * @bitrate: Bus speed measured in Hz + * + **/ +struct imxi2c_platform_data { + int (*init)(struct device *dev); + void (*exit)(struct device *dev); + int bitrate; +}; + +#endif /* __ASM_ARCH_I2C_H_ */ diff --git a/arch/arm/plat-s3c/dev-i2c0.c b/arch/arm/plat-s3c/dev-i2c0.c index fe327074037..428372868fb 100644 --- a/arch/arm/plat-s3c/dev-i2c0.c +++ b/arch/arm/plat-s3c/dev-i2c0.c @@ -1,6 +1,6 @@ /* linux/arch/arm/plat-s3c/dev-i2c0.c * - * Copyright 2008 Simtec Electronics + * Copyright 2008,2009 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * http://armlinux.simtec.co.uk/ * @@ -50,9 +50,8 @@ struct platform_device s3c_device_i2c0 = { static struct s3c2410_platform_i2c default_i2c_data0 __initdata = { .flags = 0, .slave_addr = 0x10, - .bus_freq = 100*1000, - .max_freq = 400*1000, - .sda_delay = S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON, + .frequency = 100*1000, + .sda_delay = 100, }; void __init s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *pd) diff --git a/arch/arm/plat-s3c/dev-i2c1.c b/arch/arm/plat-s3c/dev-i2c1.c index 2387fbf57af..8349c462788 100644 --- a/arch/arm/plat-s3c/dev-i2c1.c +++ b/arch/arm/plat-s3c/dev-i2c1.c @@ -1,6 +1,6 @@ /* linux/arch/arm/plat-s3c/dev-i2c1.c * - * Copyright 2008 Simtec Electronics + * Copyright 2008,2009 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * http://armlinux.simtec.co.uk/ * @@ -47,9 +47,8 @@ static struct s3c2410_platform_i2c default_i2c_data1 __initdata = { .flags = 0, .bus_num = 1, .slave_addr = 0x10, - .bus_freq = 100*1000, - .max_freq = 400*1000, - .sda_delay = S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON, + .frequency = 100*1000, + .sda_delay = 100, }; void __init s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *pd) diff --git a/arch/arm/plat-s3c/include/plat/iic.h b/arch/arm/plat-s3c/include/plat/iic.h index dc1dfcb9bc6..67450f11574 100644 --- a/arch/arm/plat-s3c/include/plat/iic.h +++ b/arch/arm/plat-s3c/include/plat/iic.h @@ -1,9 +1,9 @@ -/* arch/arm/mach-s3c2410/include/mach/iic.h +/* arch/arm/plat-s3c/include/plat/iic.h * - * Copyright (c) 2004 Simtec Electronics + * Copyright 2004,2009 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * - * S3C2410 - I2C Controller platfrom_device info + * S3C - I2C Controller platform_device info * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -15,19 +15,24 @@ #define S3C_IICFLG_FILTER (1<<0) /* enable s3c2440 filter */ -/* Notes: - * 1) All frequencies are expressed in Hz - * 2) A value of zero is `do not care` -*/ - +/** + * struct s3c2410_platform_i2c - Platform data for s3c I2C. + * @bus_num: The bus number to use (if possible). + * @flags: Any flags for the I2C bus (E.g. S3C_IICFLK_FILTER). + * @slave_addr: The I2C address for the slave device (if enabled). + * @frequency: The desired frequency in Hz of the bus. This is + * guaranteed to not be exceeded. If the caller does + * not care, use zero and the driver will select a + * useful default. + * @sda_delay: The delay (in ns) applied to SDA edges. + * @cfg_gpio: A callback to configure the pins for I2C operation. + */ struct s3c2410_platform_i2c { - int bus_num; /* bus number to use */ + int bus_num; unsigned int flags; - unsigned int slave_addr; /* slave address for controller */ - unsigned long bus_freq; /* standard bus frequency */ - unsigned long max_freq; /* max frequency for the bus */ - unsigned long min_freq; /* min frequency for the bus */ - unsigned int sda_delay; /* pclks (s3c2440 only) */ + unsigned int slave_addr; + unsigned long frequency; + unsigned int sda_delay; void (*cfg_gpio)(struct platform_device *dev); }; diff --git a/arch/powerpc/boot/dts/socrates.dts b/arch/powerpc/boot/dts/socrates.dts index 04c398862e0..7a6ae75a1e5 100644 --- a/arch/powerpc/boot/dts/socrates.dts +++ b/arch/powerpc/boot/dts/socrates.dts @@ -79,11 +79,11 @@ #address-cells = <1>; #size-cells = <0>; cell-index = <0>; - compatible = "fsl-i2c"; + compatible = "fsl,mpc8544-i2c", "fsl-i2c"; reg = <0x3000 0x100>; interrupts = <43 2>; interrupt-parent = <&mpic>; - dfsrr; + fsl,preserve-clocking; dtt@28 { compatible = "winbond,w83782d"; @@ -111,11 +111,11 @@ #address-cells = <1>; #size-cells = <0>; cell-index = <1>; - compatible = "fsl-i2c"; + compatible = "fsl,mpc8544-i2c", "fsl-i2c"; reg = <0x3100 0x100>; interrupts = <43 2>; interrupt-parent = <&mpic>; - dfsrr; + fsl,preserve-clocking; }; enet0: ethernet@24000 { |