diff options
Diffstat (limited to 'arch/arm/plat-omap')
| -rw-r--r-- | arch/arm/plat-omap/Kconfig | 26 | ||||
| -rw-r--r-- | arch/arm/plat-omap/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/plat-omap/i2c.c | 116 |
3 files changed, 0 insertions, 145 deletions
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index d055db32ffcb..3e27bffb352d 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -63,32 +63,6 @@ config OMAP_RESET_CLOCKS probably do not want this option enabled until your device drivers work properly. -config OMAP_MUX - bool "OMAP multiplexing support" - depends on ARCH_OMAP - default y - help - Pin multiplexing support for OMAP boards. If your bootloader - sets the multiplexing correctly, say N. Otherwise, or if unsure, - say Y. - -config OMAP_MUX_DEBUG - bool "Multiplexing debug output" - depends on OMAP_MUX - help - Makes the multiplexing functions print out a lot of debug info. - This is useful if you want to find out the correct values of the - multiplexing registers. - -config OMAP_MUX_WARNINGS - bool "Warn about pins the bootloader didn't set up" - depends on OMAP_MUX - default y - help - Choose Y here to warn whenever driver initialization logic needs - to change the pin multiplexing setup. When there are no warnings - printed, it's safe to deselect OMAP_MUX for your product. - config OMAP_MPU_TIMER bool "Use mpu timer" depends on ARCH_OMAP1 diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile index 97a50e8883f9..47e186729d44 100644 --- a/arch/arm/plat-omap/Makefile +++ b/arch/arm/plat-omap/Makefile @@ -11,6 +11,3 @@ obj-y := sram.o dma.o counter_32k.o obj-$(CONFIG_OMAP_DM_TIMER) += dmtimer.o obj-$(CONFIG_OMAP_DEBUG_LEDS) += debug-leds.o -i2c-omap-$(CONFIG_I2C_OMAP) := i2c.o -obj-y += $(i2c-omap-m) $(i2c-omap-y) - diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c deleted file mode 100644 index 58213d9714cd..000000000000 --- a/arch/arm/plat-omap/i2c.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * linux/arch/arm/plat-omap/i2c.c - * - * Helper module for board specific I2C bus registration - * - * Copyright (C) 2007 Nokia Corporation. - * - * Contact: Jarkko Nikula <jhnikula@gmail.com> - * - * 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 published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/i2c.h> -#include <linux/i2c-omap.h> -#include <linux/slab.h> -#include <linux/err.h> -#include <linux/clk.h> - -#include <plat/i2c.h> - -#define OMAP_I2C_MAX_CONTROLLERS 4 -static struct omap_i2c_bus_platform_data i2c_pdata[OMAP_I2C_MAX_CONTROLLERS]; - -#define OMAP_I2C_CMDLINE_SETUP (BIT(31)) - -/** - * omap_i2c_bus_setup - Process command line options for the I2C bus speed - * @str: String of options - * - * This function allow to override the default I2C bus speed for given I2C - * bus with a command line option. - * - * Format: i2c_bus=bus_id,clkrate (in kHz) - * - * Returns 1 on success, 0 otherwise. - */ -static int __init omap_i2c_bus_setup(char *str) -{ - int ints[3]; - - get_options(str, 3, ints); - if (ints[0] < 2 || ints[1] < 1 || - ints[1] > OMAP_I2C_MAX_CONTROLLERS) - return 0; - i2c_pdata[ints[1] - 1].clkrate = ints[2]; - i2c_pdata[ints[1] - 1].clkrate |= OMAP_I2C_CMDLINE_SETUP; - - return 1; -} -__setup("i2c_bus=", omap_i2c_bus_setup); - -/* - * Register busses defined in command line but that are not registered with - * omap_register_i2c_bus from board initialization code. - */ -int __init omap_register_i2c_bus_cmdline(void) -{ - int i, err = 0; - - for (i = 0; i < ARRAY_SIZE(i2c_pdata); i++) - if (i2c_pdata[i].clkrate & OMAP_I2C_CMDLINE_SETUP) { - i2c_pdata[i].clkrate &= ~OMAP_I2C_CMDLINE_SETUP; - err = omap_i2c_add_bus(&i2c_pdata[i], i + 1); - if (err) - goto out; - } - -out: - return err; -} - -/** - * omap_register_i2c_bus - register I2C bus with device descriptors - * @bus_id: bus id counting from number 1 - * @clkrate: clock rate of the bus in kHz - * @info: pointer into I2C device descriptor table or NULL - * @len: number of descriptors in the table - * - * Returns 0 on success or an error code. - */ -int __init omap_register_i2c_bus(int bus_id, u32 clkrate, - struct i2c_board_info const *info, - unsigned len) -{ - int err; - - BUG_ON(bus_id < 1 || bus_id > OMAP_I2C_MAX_CONTROLLERS); - - if (info) { - err = i2c_register_board_info(bus_id, info, len); - if (err) - return err; - } - - if (!i2c_pdata[bus_id - 1].clkrate) - i2c_pdata[bus_id - 1].clkrate = clkrate; - - i2c_pdata[bus_id - 1].clkrate &= ~OMAP_I2C_CMDLINE_SETUP; - - return omap_i2c_add_bus(&i2c_pdata[bus_id - 1], bus_id); -} |